For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning 1st Year, C20 curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
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For exam time table of Diploma in Refrigeration and Air Conditioning (RAC), kindly visit APSBTET exam timetables.

Wishing you great luck ahead.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of computer fundamentals lab is as follows.

Course Objectives

1. To know Hardware Basics
2. To familiarize operating systems
3. To use MS Office effectively to enable to students use these skills in future courses
4. To use Adobe Photoshop in image editing.

Course Outcomes:

At the End of the Course Students Will be able To

1. Identify hardware and software components
2. Prepare documents with given specifications using word processing software
3. Use Spread sheet software to make calculation and to draw various graphs / charts.
4. Use Power point software to develop effective presentation for a given theme or topic.
5. Edit digital or scanned images using Photoshop

Lsit of Experiments

1. To Familiarize with Computer system and hardware connections
2. To Start and Shut down Computer correctly
3. To check the software details of the computer
4. To check the hardware present in your computer
5. To Explore Windows Desktop
6. Working with Files and Folders
7. To use Windows Accessories: Calculator – Notepad – WordPad – MS Paint
8. To familiarize with Ribbon layout of MS Word Home – Insert- Page layout – References – Review- View.
9. To practice Word Processing Basics
10. To practice Formatting techniques
11. To insert a table of required number of rows and columns
12. To insert Objects, Clipart and Hyperlinks
13. To use Mail Merge feature of MS Word
14. To use Equations and symbols features
15. To familiarize with MS-EXCEL layout
16. To access and enter data in the cells
17. To edit a spread sheet- Copy, Cut, Paste, and selecting Cells
18. To use built in functions and Formatting Data
19. To create Excel Functions, Filling Cells
20. To enter a Formula for automatic calculations
21. To sort and filter data in table.
22. To present data using Excel Graphs and Charts.
23. To develop lab reports of respective discipline.
24. To format a Worksheet in Excel, Page Setup and Print
25. To familiarize with Ribbon layout features of PowerPoint 2007.
26. To create a simple PowerPoint Presentation
27. To set up a Master Slide in PowerPoint
28. To insert Text and Objects
29. To insert a Flow Charts
30. To insert a Table
31. To insert a Charts/Graphs
32. To insert video and audio
33. To practice Animating text and objects
34. To Review presentation
35. To familiarize with standard toolbox
36. To edit a photograph.
37. To insert Borders around photograph.
38. To change Background of a Photograph.
39. To change colors of Photograph.
40. To prepare a cover page for the book in your subject area.
41. To adjust the brightness and contrast of the picture so that it gives an elegant look.
42. To type a word and apply the shadow emboss effects.

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of chemistry lab is as follows.

Course Outcomes:

1. Operate and practice volumetric apparatus and preparation of standard solution
2. Evaluate and judge the neutralization point in acid base titration
3. Evaluate the end point of reduction and oxidation reaction
4. Judge the stable end point of complex formation, stable precipitation
5. Judge operate and demonstrate and perform precise operations with instrument for investigation of water pollution parameters

Objectives

Upon Completion of the Course the Student Shall be able To

1. Practice volumetric measurements (using pipettes, measuring jars, volumetric flask, burettes) and gravimetric measurements (using different types of balances), making dilutions, etc. To identify the chemical compounds and solutions by senses.
2. Practice making standard solutions with pre weighed salts and to make solutions of desired dilutions using appropriate techniques.
3. Conduct titrations adopting standard procedures and using Std. Na2Co3solutionfor estimation of HCl
4. Conduct titrations adopting standard procedures and using Std. HCl solution for estimation of NaOH
5. Conduct titrations adopting standard procedures and using Std. NaOH solution for estimation of H2SO4
6. Conduct titrations adopting standard procedures and using Std.KMnO4solution for estimation of Mohr’s Salt
7. Conduct titrations adopting standard procedures to determine the acidity of given samples of water (One ground water and one surface / tap water, and rain water if available)
8. Conduct titrations adopting standard procedures to determine the alkalinity of given samples of water (One ground water and one surface / tap water)
9. Conduct titrations adopting standard procedures to determine the total hardness of given samples of water (One ground water and one surface / tap water) using Std. EDTA solution
10. Conduct titrations adopting standard procedures to determine the chlorides present in the given samples of water and wastewater (One ground water and one surface / tap water)
11. Conduct the test using titrometric / electrometric method to determine Dissolved Oxygen (D.O) in given water samples (One sample from closed container and one from open container / tap water)
12. Conduct the test on given samples of water / solutions (like soft drinks, sewage, etc.) to determine their pH using standard pH meter
13. Conduct the test on given samples of water / solutions
1. To determine conductivity
2. To adjust the ionic strength of the sample to the desired value
14. Conduct the test on given samples of solutions (coloured and non coloured) to determine their turbidity in NTU
15. To determine the total solids present in given samples of water (One ground water and one surface / tap water)

List of Experiments

1. Familiarization of methods for Volumetric analysis. Recognition of chemical substances And solutions (03) – —
2. Preparation of Std Na2Co3 and making solutions of different dilution(03)
1. Weighing the salt to the accuracy of .01 mg
2. Measuring the water with volumetric flask, measuring jar, volumetric pipette and graduated pipette
3. Making appropriate dilutions
4. Weighing the salt to the accuracy of .01 mg
5. Measuring the water with volumetric flask, measuring jar, volumetric pipette and graduated pipette
6. Making appropriate dilutions
3. Estimation of HCl solution using Std. Na2Co3solution (03)
1. Cleaning the glassware and rinsing with appropriate solutions
2. Making standard solutions
3. Making standard solutions
4. Measuring accurately the standard solutions and titrants
5. Effectively Controlling the flow
4. Estimation of NaOH using Std.HCl solution (03)
5. Estimation of H2SO4 using Std.NaOH solution (03)
1. Measuring accurately the standard solutions and titrants
2. Filling the burette with titrant
3. Fixing the burette to the stand
4. Effectively Controlling the flow of the titrant
5. Identifying the end point
6. Making accurate observations
7. Calculating the results of the titrant
8. Identifying the end point
9. Making accurate observations
6. Estimation of Mohr’s Salt using Std.KMnO4 (03)
7. Determination of acidity of water sample (03)
8. Determination of alkalinity of water sample (03)
9. Determination of total hardness of water using Std. EDTA solution (03)
10. Estimation of Chlorides present in water sample (03)
11. Estimation of Dissolved Oxygen(D.O) in water sample (By titration method) (03)
12. Determination of pH using pH meter (03)
1. Familiarize with instrument
2. Choose appropriate ‘Mode’ / ‘Unit’
3. Prepare standard solutions / buffers, etc.
4. Standardize the instrument with appropriate standard solutions
5. Plot the standard curve
6. Make measurements accurately
7. Follow Safety precautions
8. Prepare standard solutions / buffers, etc.
9. Standardize the instrument with appropriate standard solutions
10. Plot the standard curve
11. Make measurements accurately
13. Determination of conductivity of water and adjusting ionic strength to required level (03)
14. Determination of turbidity of water (03)
15. Estimation of total solids present in water sample (03)
1. Measuring the accurate volume and weight of sample
2. Filtering and air drying without losing any filtratea.
3. Accurately weighing the filter paper, crucible and filtrate
4. Drying the crucible in an oven
5. Measuring the accurate volume and weight of sample
6. Filtering and air drying without losing any filtrate
7. Accurately weighing the filter paper, crucible and filtrate

Scheme of Valuation

1. Writing Chemicals, apparatus ,principle and procedure 5 marks
2. Demonstrated competencies 20 marks
1. Making standard solutions
2. Measuring accurately the standard solutions and titrants
3. Effectively controlling the flow of the titrant
4. Identifying the end point
5. Making accurate observations
3. Viva-voce 5 marks

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of physics lab is as follows.

Objectives:

Upon Completion of the Course the Student Shall be able To

1. Practice with Vernier calipers to determine the volumes and areas of a cylinder and sphere and their comparison etc .
2. Practice with Screw gauge to determine thickness of a glass plate, cross sectional area of a wire and volumes of sphere and also their comparison etc
3. Verify the parallelogram law and Triangle law
4. Determine the value of acceleration due to gravity using Simple Pendulum
5. Determine the velocity of sound in air at room temperature and its value at zero degree centigrade.
6. Calculate the Focal length and focal power of convex lenses using distant object method , U-V method , U-V graph and 1 / U – 1 / V graph methods and their comparison.
7. Determine the refractive index of a solid using travelling microscope.
8. Verify the Boyle’s law employing a Quill tube.
9. Determine the specific resistance of material of a wirel using Meter Bridge.
10. Drawing magnetic lines of force under N-S and N-N methods and locate null points.
11. Determine the surface tension of a liquid using travelling Microscope (Demo)
12. Determine the viscosity of a liquid using capillary method (Demo)

Course Outcomes:

1. Experiments with Vernier calipers, Screw gauge, Parallelogram law and Triangle law
2. Experiments with Simple pendulum, Resonance apparatus (Velocity of sound in air )
3. Experiments with Convex lens, Refractive index of solid by travelling microscope
4. Experiments with quill tube (Boyles law verification), Meter bridge, Mapping of magnetic lines of force
5. Experiments with Surface tension and Viscosity

1.Hands On Practice On Vernier Calipers

1. Find the Least count
2. Fix the specimen in posit
3. Read the scales
4. Calculate the physical quantities of given object
5. Read the scales
6. Calculate the requisite physical quantities of given objects

2.Hands On Practice On Screw Gauge

1. Find the Least count
2. Fix the specimen in posit
3. Read the scales
4. Calculate thickness of glass place and cross section of wire and other quantities
5. Read the scales
6. Calculate thickness of given glass plate
7. Calculate cross section of wire and other quantities

3.Verification of Parallelogram Law of Forces and Triangle Law of Forces

1. Fix suitable weights
2. Note the positions of threads on drawing sheet
3. Find the angle at equilibrium point
4. Construct parallelogram
5. Compare the measured diagonal
6. Construct triangle
7. Find the length of sides
8. Cnmn-,rQ tho mtinr
9. Find the angle at equilibrium point
10. Constructing parallelogram
11. Construct triangle
12. Compare the ratios of force and length

4.Simple Pendulum

1. Fix the simple pendulum to the stand
2. Adjust the length of pendulum
3. Find the time for number of oscillations
4. Find the time period
5. Calculate the acceleration due to gravity
6. Draw l-T and l-T2 graph
7. Find the time for number of oscillations
8. Find the time period
9. Calculate the acceleration due to gravity
10. Draw l-T and l-T2 graph

5.Velocity of Sound in Air -Resonance Method

1. Arrange the resonance apparatus
2. Adjust the reservoir level for booming sound
3. Find the first and second resonanting lengths
4. Calculate velocity of sound
5. Adjust the reservoir level
6. Find the first and second resonanting lengths
7. Calculate velocity of sound at room temperature
8. Calculate velocity of sound at 00 C

6.Focal Length and Focal Power of Convex Lens (Separate & Combination)

1. Fix the object distance
2. Find the Image distance
3. Calculate the focal length and power of convex lens and combination of convex lenses
4. Draw u-v and 1/u – 1/v graphs
5. Calculate the focal length and power of convex lens
6. Draw u-v and 1/u – 1/v graphs

7.Refractive Index of Solid Using Traveling Microscope

1. Find the least count of vernier on microscope
2. Place the graph paper below microscope
3. Read the scale
4. Calculate the refractive index of glass slab
5. Read the scale
6. Calculate the refractive index of glass slab

8.Boyle’S Law Verification

1. Note the atmospheric pressure
2. Fix the quill tube to retort stand
3. Find the length of air column
4. Find the pressure of enclosed air
5. Find and compare the calculated value P x l
6. Find the length of air column
7. Find the pressure of enclosed air
8. Find the value P x l

9. Meter Bridge

1. Make the circuit connections
2. Find the balancing length
3. Calculate unknown resistance
4. Find the radius of wire
5. Calculate the specific resistance
6. Find the balancing length
7. Calculate unknown resistance
8. Calculate the specific resistance

10.Mapping of Magnet Lines of Force

1. Draw magnetic meridian
2. Placed the bar magnet in NN and NS directions
3. Draw magnetic lines of force
4. Locate the neutral points along equatorial and axial lines
5. Draw magnetic lines of force
6. Locate the neutral points along equatorial and axial lines

11.Surface Tension of Liquid Using Traveling Microscope

1. Find the least count of vernier on microscope
2. Focus the microscope to the lower meniscus & bent pin
3. Read the scale
4. Calculate height of liquid rise
5. Calculate the surface tension of water
6. Read the scale
7. Calculate height of liquid rise
8. Calculate the surface tension of water

12.Coefficient of Viscosity By Capillary Method

1. Find the least count of vernier
2. Fix the capillary tube to aspiratory bottle
3. Find the mass of collected water
4. Find the pressure head
5. Calculate rate of volume of liquid collected
6. Find the radius of capillary tube
7. Calculate the viscosity of water using capillary method
8. Find the pressure head
9. Calculate rate of volume of liquid collected
10. Find the radius of capillary tube
11. Calculate the viscosity of water

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of workshop practice-i is as follows.

Course Objectives

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.

Course Outcomes:

1. Practice the operations in Fitting Shop
2. Practice the operations in Forging Shop
3. Practice the operations in Carpentry Shop
4. Practice the operations in Sheet metal Shop
5. Practice the operations in Plumbing

Fitting Shop

1. Marking and chipping on Mild – steel flat 12 mm thick.
2. Cutting with hack saw, M.S. Flats of 6 mm thick.
3. Marking, cutting, drilling, Chamfering and tapping on a M.S. Flat 12 mm thick.
4. Assembling of two pieces, Matching by filing (6 mm thick M.S. Plate)

Forging Shop

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Carpentry Shop

1. Cutting of wood with hand saw.
2. Planning of wood.
3. Planning and chiselling of wood.
4. Orientation of wood grain.
5. Preparation of dovetail joint.
6. Mortise and tenon joint.
7. Wood turning on a lathe.
8. Preparation of one household article.

Sheet Metal Work

1. Practice on cutting of sheet
2. Formation of joints like grooved joints, locked groove joint
3. Preparation of a rectangular open type tray
4. Preparation of hollow cylinder
5. Preparation of pipe elbow
6. Preparation of mug.
7. Preparation of funnel
8. Preparation of utility articles such as dustpan, kerosene hand pump.

Plumbing Practice

1. Familiarization of Plumbing Tools
2. Familiarization of Pipefitting
3. Familiarization of Plumbing Operations

Reference Books:

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of engineering drawing is as follows.

Course Objectives

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.

Course Outcomes:

1. Describe the use of engineering drawing instruments
2. Practice the conventions to be followed in engineering drawing as per BIS
3. Draw
1. basic geometrical constructions
2. engineering curves
4. Visualise and draw the orthographic projections of
1. Points
2. Lines
3. Regular Planes
4. Regular Solids
5. Sections of Regular Solids
5. Practice isometric views of machine components
6. Draw the developments of surfaces of regular solids and use them to make the components used in daily life

Note:

1. B.I.S Specification should invariably be followed in all the topics.

2. A-3 Size Drawing Sheets are to be used for all Drawing Practice Exercises.

1.0 the Importance of Engineering Drawing

Explanation of the scope and objectives of the subject of Engineering Drawing Its importance as a graphic communication -Need for preparing drawing as per standards – SP-46 -1988 -Mention B.I.S – Role of drawing in -engineering education – Link between Engineering drawing and other subjects of study.

2.0 Engineering Drawing Instruments

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3.0 Free Hand Lettering & Numbering

Importance of lettering – Types of lettering -Guide Lines for Lettering Practicing of letters & numbers of given sizes (7mm, 10mm and 14mm) Advantages of single stroke or simple style of lettering – Use of lettering stencils

4.0 Dimensioning Practice

Purpose of engineering Drawing, Need of B.I.S code in dimensioning -Shape
description of an Engineering object -Definition of Dimensioning size description -Location of features, surface finish, fully dimensioned Drawing -Notations or tools of dimensioning, dimension line extension line, leader line, arrows, symbols, number and notes, rules to be observed in the use of above tools -Placing dimensions: Aligned system and unidirectional system ( SP-46-1988)-Arrangement of dimensions Chain, parallel, combined progressive, and dimensioning by co-ordinate methods-The rules for dimensioning standard, features “Circles (holes) arcs, angles, tapers, chamfers, and dimension of narrow spaces.

5.0 Geometric Construction

Division of a Line:
to divide a straight line into given number of equal parts

Construction of Tangent Lines:
To draw interior and exterior tangents to two circles of given radii and centre distance

Construction of Tangent Arcs:

1. To draw tangent arc of given radius to touch two lines inclined at given angle (acute, right and obtuse angles).
2. Tangent arc of given radius touching a circle or an arc and a given line.
3. Tangent arcs of radius R, touching two given circles internally and externally.

Construction of Polygon:
Construction of any regular polygon by general method for given side length, inscribing circle radius and describing/superscribing circle radius

Conics:
Explanation of Ellipse, Parabola, Hyperbola, as sections of a double cone and a loci of a moving point, Eccentricity of above curves – Their Engg. Applications viz., Projectiles, reflectors, Cooling Towers, P-V Diagram of a Hyperbolic process – Construction of any conic section of given eccentricity by general method – Construction of ellipse by concentric circles method, Oblong Method and Arcs of circles method – Construction of parabola by rectangle method and Tangent method – Construction of rectangular hyperbola

General Curves:
Involute, Cycloid and Helix, explanations as locus of a moving point, their engineering application, viz., Gear tooth profile, screw threads, springs etc. – their construction

6.0 Projection of Points, Lines and Planes & Auxiliary Views

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7.0 Projections of Regular Solids

1. Axis perpendicular to one of the planes
2. Axis parallel to VP and inclined to HP and vice versa.

8.0 Sections of Solids

Need for drawing sectional views – what is a sectional view – Hatching – Section of regular solids inclined to one plane and parallel to other plane

9.0 Orthographic Projections

Meaning of orthographic projection – Using a viewing box and a model – Number of views obtained on the six faces of the box, – Legible sketches of only 3 views for describing object -Concept of front view, top view, and side view sketching these views for a number of engg objects – Explanation of first angle projection. – Positioning of three views in First angle projection – Projection of points as a means of locating the corners of the surfaces of an object -Use of miter line in drawing a third view when other two views are given -Method of representing hidden lines -Selection of minimum number of views to describe an object fully.

10.0 Pictorial Drawings

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11.0 Development of Surfaces

Need for preparing development of surface with reference to sheet metal work-Concept of true length of a line with reference to its orthographic projection when the line is (i) parallel to the plane of projection (ii) inclined to one principal and parallel to the other -Development of simple solids like cubes, prisms, cylinders, cones, pyramid and truncation of these solids-Types of development: Parallel line and radial line development -Procedure of drawing development of funnels, 900 elbow pipes, Tray.

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of workshop technology is as follows.

Course Objectives

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.

Course Outcomes:

1. Categorise basic workshop tools , i.e., marking and measuring tools, cutting tools etc., Explain different operations used in carpentry, fitting, forging and sheet metal.
2. Describe the process like marking, sawing, chiselling in wood working process and fitting, upsetting drawing down and punching in forging, shearing, bending, drawing, squeezing in sheet metal
3. Describe the functions of sensitive and radial drilling machines and operations on drilling machine
4. Describe the sequence of pattern making operations
5. Describe casting and special casting processes
6. Describe the hot working and cold working processes

1. Introduction

Methods of manufacturing processes – casting, forming, metal removal processes, joining processes, surface finishing processes, basic workshop processes – carpentry, fitting, hand forging, machine forging, sheet metal work, cold and hot working of metals.

Carpentry
Marking & measuring tools: scales, rules, fourfold wooden rule, flexible measuring rule (tape), straight edge, try square, bevel square, combination square, marking knife, marking gauge, mortise gauge, cutting gauge, wing compass, trammel, divider, outside calliper, inside calliper, odd leg calliper, spirit level, plum bob, specifications- uses.

Cutting Tools

1. Saws: ripsaw, cross cut saw (hand saw), panel saw, tenon or back saw, dovetail saw, bow saw, coping saw, compass saw, pad or keyhole saw, specifications & uses.
2. Chisels: Firmer chisel, bevelled edge firmer chisel, parting chisel, mortise chisel, inside and outside gauges, specifications and uses.
3. Planes: Jack plane (wooden jack plane, metal jack plane),rough plane, smoothing plane, rebate plane, plough plane, router, spoke shave, special planes and their specifications and uses.

Boring Tools:
Gimlet, braces- wheel brace, ratchet brace, bit-shell bit, twist bit (auger bit), expansive bit, centre bit, router bit, countersink bit, drill, reamer their specifications & uses.

Striking Tools:
Hammers – Warrington hammer, claw hammer, mallet, Specifications & uses.

Holding Devices
Bench vice, bench stop, bench hold fast, sash cramp (bar cramp) G- cramp, Hand screw, specifications & uses.

Miscellaneous Tools
Rasps and files, scraper, oilstone, glass paper, pincer, screw driver, cabinet screw driver, ratchet-screw driver, saw set, oil stone slipspecifications and uses.

Carpentry Processes
Marking, measuring, sawing, chiselling, planning, boring, grooving, Rebating & moulding.

Carpentry Joints
Halving Joint, mortise and tenon joint, bridle joint, butt joint. dowel joint, tongue & groove joint, screw & slot joint, dovetail joint, corner joint.

Wood Working Machines
Wood working lathe (wood turning lathe), circular saw, band saw, wood planer, sanding machine, belt sander, spindle sander, disc sander and grinder, specifications and uses.

Fitting
Cutting tools

1. Chisels: Flat chisel, cross cut chisel, half round chisel, diamond point chisel, side chisel, specifications and uses.
2. Files: Different parts of a file – sizes and shapes – flat file, hand file, square file ,piller file ,round file, triangular file, half round files, knife edge file, needle file – specifications and uses.
3. Scrapers: Flat, triangular, half round scrapers, specifications & uses.
4. Saws: Hand hacksaw – solid frame, adjustable frame, specifications & uses, hand hacksaw blades. Power hack saw -description(horizontal reciprocating type), power hacksaw blade, specifications and uses, teeth set – saw material.
5. Drill bits: Flat drill, straight fluted drill, twist drill, parallel shank, tapered shank, specifications & uses.
6. Reamer: Hand reamer, machine reamer, straight and spiral flutes
7. reamers, specifications and uses.
8. Taps: Hand taps – taper tap, plug tap and bottoming tap,specifications and uses.
9. Dies & Sockets: Dies- solid, adjustable – specifications and uses.

Striking Tools
Hammers: Parts, ball peen, cross peen, straight peen hammers, soft hammer, sizes, specifications and uses.

Holding Devices
Vices: Bench vice, leg-vice, hand vice, pin vice, tool maker’s vice, pipe vice, care of vices, specifications and uses.

Marking Tools
Surface plate, V-block, angle plate, try square, scriber, punch, prick punch, centre punch, number punch, letter punch, specifications and uses.

Miscellaneous Tools
Screw drivers, spanners, single ended & double ended, box type, adjustable spanners, cutting pliers, nose pliers, allen keys, specifications and uses.

Checking and Measuring Instruments

Checking Instruments:

1. Callipers: Outside & Inside callipers, hermaphrodite (odd leg) calliper with firm joint, spring callipers, transfer calliper sizes & uses, dividers -sizes & uses.
2. Measuring instruments:Combination square, bevel protractor, universal bevel protractor, sine bar, universal surface gauge, engineer’s parallels, slip gauges, plane gauge, feeler gauge, angle gauge, radius & template gauge, screw pitch gauge, telescopic gauges, plate & wire gauge, ring and plug gauges, snap gauges specifications & uses, vernier callipers, vernier height gauge, vernier depth gauge, micrometer – outside & inside, stick micrometer, depth micrometer, verniermicrometer, screw thread micrometer specifications and uses.

Fitting Operations
Marking, sawing, chipping, filing, scrapping, grinding, drilling, reaming, tapping and dieing.

Forging

1. Hand forging tools: Anvil, swage block, hand hammers – types; sledge hammer, specifications and uses, tongs – types, specifications & uses, chisel – hot & cold chisels specifications & uses. swages – types and sizes, fullers, flatters, set hammer, punch and drift – sizes and uses.
2. Equipment: Open and closed hearth heating furnaces, hand and power driven blowers, open and stock fire, fuels-charcoal, coal, oil gaseous fuels.
3. Smith Operations: Upsetting, drawing down, setting down, punching, drifting, bending, welding, cutting, swaging, fullering and flattering.
4. Machine Forging: Need of machine forging, forging hammers – spring hammer, pneumatic hammer, drop hammer, forging press, hydraulic press – line diagram, machine forging operations – drawing, upsetting, punching, tools used in machine forging.
5. Forging defects: Types and remedies.

Sheet Metal Work
Metals used for sheet metal work.

1. Sheet metal hand tools:Measuring tools – steel rule, circumference rule, thickness gauge, sheet metal gauge, straight edge, scriber, divider, trammel points, punches, chisels, hammers, snips or shears, straight snip, double cutting shear, squaring shear, circular shear, bench & block shears.
2. Stakes: Double seaming stake, beak horn stake, bevel edged square stake, Hatchet stake, needle stake, blow horn stake, hollow mandrel stake, pliers (flat nose and round nose), grocers and rivet sets, soldering iron, specifications & uses.

Sheet Metal Operations

1. Shearing: Cutting off, parting, blanking, punching, piercing, notching, slitting, lancing, nibbling and trimming.
2. Bending: Single bend, double bend, straight flange, edge hem, embossing, beading, double hem or lock seam.
3. Drawing: Deep drawing, shallow or box drawing.
4. Squeezing:Sizing, coining, hobbing, ironing, riveting.

Sheet Metal Joints
Hem Joint: single hem, double hem & wired edge, seam joint -lap seam, grooved seam, single seam, double seam, dovetail seam, burred bottom seam or flanged seam.

Fastening Methods

1. Rivetting, soldering, brazing & spot welding.

2. Drilling

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3. Foundry.

1. Introduction: Development of foundry as a manufacturing process, advantages and limitations of casting over other manufacturing processes.
2. Foundry equipment:Hand moulding tools: shovel, riddle, rammers, trowels, slicks, lifter, strike – off bar, sprue pin bellow, swab, gate cutter, mallet, vent rod, draw spike, rapping plate or lifting plate, pouring weight, gagger, clamps, spirit level, moulding boxes, snap box & flash box.
3. Sands: Properties of moulding sand – porosity, flowability, collapsibility, adhesiveness, cohesiveness and refractoriness.
4. Types of moulding sand : green sand, dry sand, loam sand, facing sand, backing sand, parting sand, core sand, system sand their ingredients and uses.
5. Pattern making: Materials such as wood, cast Iron, aluminium, brass, plastics their uses and relative advantages, classification of patterns such as solid (one piece), two piece and three pieces, split patterns, gate patterns and shell patterns, sequence in pattern making, pattern allowances and colour codes.
6. Cores: Need of cores, types of cores.
7. Casting: green sand and dry sand moulding, cement bonded moulding, shell moulding, ceramic moulding, defects in castings and their remedies.
8. Special casting processes: (Principles and applications only) die casting – hot chamber and cold chamber, centrifugal casting, CO2 process, investment casting

4. Mechanical Working of Metals

1. Introduction: Hot working and cold working
2. Hot working processes: rolling – types of rolling, two high mill, three high mills, four high mills, piercing or seamless tubing, drawing or cupping, spinning, extrusion – direct or forward extrusion, indirect or backward extrusion, tube extrusion, Impact extrusion.
3. Effects of hot working of metals, advantages & limitations of hot working of metals.
4. Cold working process:Rolling, drawing – wire drawing, tube drawing, bending, roll forming, angle bending, spinning, extrusion, squeezing, cold heading, thread rolling, peening.
5. Effects of cold working of metals, advantages & limitations of cold working.

Reference Books:

1. Production Technology by Jain & Gupta (Khanna Publishers)
2. Elementary Workshop Technology by HazraChowdary & Bhattacharya (Media Promoters)
3. Manufacturing Technology (VolI ) by P N Rao (McGraw Hill)
4. Workshop Technology Vol I & II by 97 Raghuvamshi

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of fundamentals of refrigeration and air conditioning is as follows.

Course Objectives

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Course Outcomes:

1. Explain the basic concepts in thermodynamics and to know which are applicable to refrigeration and air conditioning in practical point of view.
2. Describe the meaning of refrigeration and to know different terms involved in it to solve the problems related to refrigeration.
3. Describe various air refrigeration methods and solve the problems related to it.
4. Illustrate various vapour compression refrigeration methods and analyse the different thermodynamic process regarding the VCR system.
5. Explain various vapour absorption refrigeration methods and to analyse the different flow processes of refrigerant, absorbent regarding the VAR system.
6. Illustrate the properties of air with the help of psychrometric chart.

1.0 Basics of Thermodynamics :

Define pressure, absolute pressure, atmospheric pressure, critical pressure, volume, temperature, saturation temperature, critical temperature, heat, work, specific heat, internal energy, enthalpy, entropy.Simple problems on different thermodynamic properties.

2.0 Fundamentals of Refrigeration:

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3.0 Air Refrigeration:

Principle, open air and closed air refrigeration, differences, Carnot air refrigeration, Bell- Coleman cycle.

4.0 Vapour Compression Refrigeration(Vcr) System :

Principle, components, analysis and division of VCR system, condensing unit, VCR cycle, refrigeration effect, compressor capacity, mass flow rate and volume flow rate, COP of VCR system, Wet compression and Dry compression, Sub-cooling.

5.0 Vapour Absorption Refrigeration (Var) System:

Principle, components, analysis of VAR system, COP, properties of refrigerant-absorbent pair, Electrolux refrigerator, Lithium Bromide and Solar refrigeration.

6.0 Fundamentals of Air Conditioning:

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Reference Books:

1. Roy J. dossat, Principles of Refrigeration.
2. Arrora C.P, Refrigeration and Air Conditioning.
3. ASHRAE Handbook fundamentals, 1972
4. Gosney, W.B., The maximum Coefficient of Performance of a Refrigerant, Paper2.74
5. Ewing, A., Report of the Refrigeration Research Committee.

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of engineering chemistry & environmental studies is as follows.

Course Objectives

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
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Course Outcomes:

1. Explain Bohr’s atomic model, chemical bonding, mole concept, acids and bases, PH metallurgical process and alloys
2. Explain electrolysis, Galvanic cell, emf and corrosion
3. Explain the chemistry involved in the treatment of water by advanced method
4. Synthesise of Plastics, rubber and applications of fuel chemical compounds used in our daily life.
5. Explain the causes, effects and control methods of air and water pollution and measures to protect the environment

1. Fundamentals of Chemistry:

1. Atomic Structure: Introduction – Fundamental particles – Bohr’s theory – Quantum numbers-Aufbau principle – Hund’s rule – Pauli’s exclusion Principle- Orbitals, shapes of s, p and d orbitals – Electronic configurations of elements
2. Chemical Bonding: Introduction – types of chemical bonds – Ionic and covalent bond with examples-Properties of Ionic and Covalent compounds- structures of ionic crystals (NaCl and CsCl).

2. Solutions:

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3. Acids and Bases:

Introduction – Theories of acids and bases and limitations – Arrhenius theory- Bronsted -Lowry theory – Lewis acid base theory – Ionic product of water- pH related numerical problems-Buffer solutions, action of buffer and its applications.

4. Principles of Metallurgy:

Characteristics of Metals and non-metals -Distinguish between Metals and Non-metals, Define the terms i) Metallurgy ii) ore iii) Gangue iv) flux v) Slag – Concentration of Ore -Hand picking, Levigation, Froth floatation – Methods of Extraction of crude Metal – Roasting, Calcination, Smelting – Alloys – Composition and uses of brass, German silver and nichrome.

5. Electrochemistry:

Conductors, semiconductors, insulators, electrolytes and non-electrolytes – electrolysis -Faraday’s laws of electrolysis-application of electrolysis(electroplating) -numerical problems on Faraday’s laws – Galvanic cell – standard electrode potential – electrochemical series-emf and numerical problems on emf of a cell .

6. Corrosion:

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7. Water Technology:

Introduction-soft and hard water-causes of hardness-types of hardness-disadvantages of hard water – degree of hardness (ppm and mg/lit) – softening methods -permutit process – ion exchange process- qualities of drinking water -Chemistry involved in treatment of water (Coagulation, Chlorination, defluoridation ) – Osmosis, Reverse Osmosis -Applications of Reverse osmosis.

8. Polymers:

Introduction – polymerization – types of polymerization – addition, condensation with examples – plastics – types of plastics – advantages of plastics over traditional materialsDisadvantages of using plastics – Preparation and uses of the following plastics i).PVC ii) Teflon iii) Polystyrene iv) .Nylonn 6,6 -Processing of natural rubber – Vulcanization – Elastomers-Preparation and applications of Buna-s, Neoprene rubbers.

9. Fuels:

Definition and classification of fuels-characteristics of good fuel-composition and uses of gaseous fuels.

10. Chemistry in Daily Life:

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11. Environmental Studies:

Introduction- environment -scope and importance of environmental studies – important terms related to environment- renewable and non-renewable energy sources-Concept of ecosystem – Biotic components -Forest resources – Deforestation -Biodiversity and its threats-Air pollution – causes-effects-Global environmental issues – control measures – Water pollution -causes – effects – control measures.

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of engineering physics is as follows.

Course Objectives

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.

Course Outcomes:

1. Explain S.I units and dimensions of different physical quantities, basic operations among vector quantities.
2. Explain the motion of objects moving in one dimensions and two dimensions, the causes of motion and hindrance to the motion of the objects especially with respect to friction.
3. Explain the mechanical energy of bodies like PE, KE and conservation law of energy, the properties of simple harmonic motion.
4. Explain gas laws, ideal gas equation, Isothermal and adiabatic processes, Specific heats, to study the laws of thermodynamics. Causes, consequences and methods to minimise noise pollution, explain beats, Doppler effect, Reverberation, echoes.
5. Explain certain properties of solids, liquids like elastic properties, viscosity and surface tension. Explain Ohm’s law, to study Kirchoff s laws, to study the principle of Wheatstone’s bridge and its application to meter bridge. To study the magnetic force and understand magnetic field. To compute magnetic field strength on axial and equatorial lines of a bar magnet. To familiarise with modern topics like photoelectric effect, optical fibres, superconductivity and nanotechnology.

1. Units and Dimensions:

Introduction – Physical quantity – Fundamental and Derived quantities – Fundamental and Derived units- SI units -Multiples and Sub multiples – Rules for writing S.I. unitsAdvantages of SI units – Dimensions and Dimensional formulae- Dimensional constants and Dimensionless quantities- Principle of Homogeneity- Advantages and limitations of Dimension alanalysis-Errors in measurement, Absolute error, relative error, percentage error, significant figures-Problems.

2. Elements of Vectors:

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3. Dynamics:

Introduction-Concept of acceleration due to gravity-Equations of motion for a freely falling body and for a body thrown up vertically- Projectiles- Horizontal and Oblique projectionsExpressions for maximum height, time of flight, range-Define force, momentum, angular displacement, angular velocity, angular acceleration, angular momentum, moment of inertia, torque-problems

4. Friction:

Introduction to friction- Causes- Types of friction- Laws of friction- Angle of repose-Angle of friction- rough inclined plane- Advantages and disadvantages of friction-Methods of reducing friction-Problems

5. Work, Power and Energy:

Work, Power and Energy- Definitions and explanation- potential energy- kinetic energyDerivations of Potential and Kinetic energies-K.E and Momentum relation – Work-Energy theorem- Law of Conservation of energy- Problems

6. Simple Harmonic Motion:

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7. Heat and Thermodynamics:

Expansion of Gases-Boyle’s law-Absolute scale of temperature- Charles laws- Ideal gas equation- Universal gas constant- Differences between r and R-Isothermal and adiabatic processes- Laws of thermodynamics- Specific heats – molar specific heats of a gas -Different modes of transmission of heat Laws of thermal conductivity, Coefficient of thermal conductivity-Problems

8. Sound:

Sound- Nature of sound- Types of wave motion -musical sound and noise- Noise pollution -Causes &effects- Methods of reducing noise pollution- Beats- Doppler effect- EchoReverberation-Reverberation time-Sabine „s formula-Conditions of good auditoriumProblems

9. Properties of Matter:

1. Definition of Elasticity -Definition of stress and strain -the units and dimensional formulae for stress and strain-The Hooke’s law-Definitions of Modulus of elasticity,Young’s modulus(Y), Bulk modulus(K), Rigidity modulus ( n),Poisson’s ratio (a), relation between Y, K, n and ^(equations only no derivation)
2. Definition of surface tension-Explanation of Surface tension with reference to molecular theory – Definition of angle of contact -Definition of capillarity -The formula for surface tension based on capillarity – Explanation of concept of Viscosity – Examples for surface tension and Viscosity – Newton’s formula for viscous force- Definition of co-efficient of viscosity- The effect of temperature on viscosity of liquids and gases – Poiseuille’s equation for Co-efficient of viscosity- The related numerical problems

10. Electricity & Magnetism:

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11. Modern Physics:

Photoelectric effect -Einstein’s photoelectric equation-laws of photoelectric effect-photo electric cell-Applications of photo electric effect- Total internal reflection- fiber optics- -principle and working of an optical fiber -types of optical fibers – Applications of optical fibers- superconductivity-applications-Nanotechnology definition, non-materials, applications

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.