Engineering Metrology detail TNDTE Diploma syllabus for Mechanical Engineering (Tool & Die) (T&D), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (22233), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other tool & die 3rd sem syllabus for diploma m scheme tndte you can visit Tool & Die 3rd Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for engineering metrology is as follows.
Rationale:
The modern industries demand wide knowledge in the understanding and use of conventional and advanced digital measuring instruments that are being used in the process of manufacture of goods. Hence it is essential to have better understanding of the various measuring techniques and the technology that are being used in the various measuring instruments. The fundamentals of various measuring technique needs to be known to understand the modern measuring equipments that are being used in Industries.
Objectives:
The objective of this course is to make the Student:
- To the Understand the Needs & Objectives of metrology.
- To Understand about the various linear & angular measuring Instruments
- To Study about the various Measurement Techniques.
- To Calibrate an Instrument.
- To Know about various geometric parameters.
- To use Light rays in Measuring an Object.
- To Measure Force, Torque and temperature
- To know about the measuring machines.
- To acquire Knowledge about Recent Trends in Metrology.
Detailed Content:
Unit I
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.
Unit II
Angular Measurement, Measurement of Gears and Threads:
- Angular Measurement: – Instruments for angular measurement – Vernier and optical bevel protractor, universal bevel protractor, acute angle attachment, optical dividing head, Sine bars, Sine center, angle gauges, clinometers.
- Optical instruments for angular measurement: – Autocollimator – principle of the autocollimator, micro optic autocollimator, applications of autocollimator. Angle dekkor – working principle, use of angle dekkor in combination with angle gauges. Optical square.
- Measurement of Gears: Gear tooth terminology, Gear tooth calliper, Composite method of Gear checking, Parkinson’s Gear tester, Master Gear.
- Thread Measurements: Screw thread projection, Tool Maker’s Microscope, Measurement of Effective Diameter, One wire, Two wire and Three wire Methods.
Unit III
Measurement of Geometric Parameters And Surface Finish
- Straightness, Flatness, Parallelism and squareness: – Definition of straightness, straight edge and its use, test for straightness by using spirit level and Autocollimator, Flatness definition, flatness testing, procedure for determining flatness, laser equipment for alignment testing. Parallelism definition, various cases of parallelism of lines and planes, measurement of equidistance, checking of coincidence or alignment. Squareness definition, measurement of squareness of lines and planes, checking the perpendicularity of motion, squareness testing methods – indicator method, Engineer’s square tester, optical tests for squareness.
- Circularity and Rotation: – Circularity definition, measurement of circularity, Different types of irregularities of a circular part – ovality, lobbing, irregularities of non specific form. Roundness and circularity. Devices for measuring circularity error – V block, precision measuring instruments. Tests for checking Rotation – Run out, measurement of run out, Periodical axial slip, camming.
- Surface Finish : – Surface roughness – definition, terminologies as per BIS, Methods of measuring Surface finish – Surface inspection by comparison methods, Direct measurement methods. Analysis of surface traces. Comparators And Measurement By Light Wave Interference,
Unit IV
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.
Unit V
Measuring Machines, Force, Torque, Power and Temperature Measurement and Recent Trends In Metrology:
- Measuring Machines : Optical profile projector – working principle, use, precaution in use. Coordinate Measuring Machine – Types, uses, advantages, possible source of error in CMM. Electronic Inspection and measuring machines.
- Force, Torque, Power & Temperature Measurement:
- Force Measurement: Introduction, Force balance, hydraulic load cell, pneumatic load cell, Elastic force devices, Separation of Forces – calibration.
- Torque & Power Measurement: Definition, Transmission, Dynamometer, Driving type Dynamometer, Absorption Dynamometer.
- Temperature Measurement: Introduction, Non Electrical methods, Electrical methods, Radiation methods.
- Trends in Metrology: Laser Telemetric system, Feeler microscope, Isometric viewing of surface defects. optoelectronic dimensional gauging, computers in metrology, Computer Aided dimensional analysis and reporting system, In process probing, contact less 3D measurements by Laser based system.
Text Books:
- R.K.Jain., Engineering Metrology, Khanna Publishers, Eleventh edition,1989.
- R.Jenkins, Fundamentals of Mechanical Inspection, McGraw Hill Book company.
Reference Books:
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.
Model Question Paper-1
TIME : 3 Hour Total Marks : 75
Part -A
Answer Any Fifteen Questions 15X1 =15
All Questions carry Equal Marks
- Define Metrology
- Define accuracy
- What are the uses of straight edges?
- What are the types of micrometers?
- Mention any five angular measuring instruments.
- What is the use of acute angle attachment?
- Mention any five types of optical instrument for angular measurement.
- Define module of the gear.
- Define straightness.
- Define Parallelism.
- What is meant by run out?
- Define waviness.
- Mention the types of comparator.
- What is interferometry?
- What are the light sources used for interferometry?
- Define Calibration.
- What is CMM?
- What are the uses of optical profile projector?
- What are the instrument used for measuring force?
- What are the uses of CMM?
Part-B
Answer all Questions 5X12=60
- Differentiate precision and accuracy. ( 6 marks)
- Explain combination set with neat sketch.( 6 marks)
- Sketch and explain Vernier depth gauge.( 12 marks)
- Explain measurement of angle by using Sine Bar with neat sketches.(12 marks)
- Explain Angle Dekkor with sketches.( 4 marks)
- Explain Gear tooth Vernier Caliper with neat sketches.( 8 marks)
- Explain Engineer square tester with a neat sketch.( 6 marks)
- Explain the procedure for checking periodical axial slip and camming.(6 marks)
- Explain direct measurement methods for determining surface finish.( 12 marks)
- Explain fluid displacement comparator with neat sketches.(12 marks)
- Explain Testing of flatness by interferometry.(8 marks)
- Write the calibration procedure for linear measuring instruments.(4 marks)
- Sketch and explain Optical Profile projector.(12 marks)
- Explain the working principle of absorption type dynamometer.( 8 marks)
- Write short notes on computers in metrology ( 4 marks).
(Or)
(Or)
(Or)
(Or)
(Or)
Model Question Paper 2
Time: 3 Hour
Max. Marks : 75
Part-A
Answer any fifteen questions 1×15=15
All question carry equal marks.
- Write the least count of vernier caliper
- Define precision
- List out the uses of internal micrometer
- Write down the advantages of combination set.
- Write down the formula for determine the angle by using sine bar
- What is the principle used in autocollimator
- What is the use of optical square?
- Write down the applications for universal bevel protector
- Define surface roughness
- What is the use of straight edge??
- Define coincidence
- List out the different types of irregularities of a circular part?
- Write down the working principle of mechanical comparator
- What are the uses of fluid displacement comparator?
- Write down the importance of calibration
- How can flatness tested by using interferometry?
- What is Feeler microscope?
- Define force balance
- Write down the working principle of optical profile projector
- List out the types available for measuring temperature
Part – B
Answer all Sub Questions 5×12=60
- Explain about repeatability and readability (4)
- Briefly explain with the use of neat sketch: micrometer (8)
- Classify the methods of measurements and give two examples for each (4)
- sketch and explain: screw pitch gauge (8)
- List out the methods of angular measurement and briefly explain any two methods(12)
- List out the methods of measuring threads and briefly explain any two wire methods (12)
- Define straightness, write down its types. Briefly explain about any one type(12)
- Define circularity and explain the tests for checking rotation (6)
- Define parallelism and explain various casus of parallelism of lines and planes(6)
- what are uses of comparator and explain any one type with neat sketch (12)
- Briefly explain about optical measuring instruments (8)
- write down the calibration procedure for angular measuring instruments (4)
- Sketch and explain CMM and its merits, application (12)
- Briefly explain about contactless 3D measurement by laser based system (12)
(Or)
(Or)
(Or)
(Or)
(Or)
For detail syllabus of all other subjects of BE Tool & Die, M scheme do visit Tool & Die 3rd Sem syllabus for M scheme.
Dont forget to download iStudy Syllabus App for latest syllabus and results, class timetable and more.