4th Sem, Tool & Die Diploma

22242: Fluid Power and Thermal Engineering Tool & Die 4th Sem Syllabus for Diploma TNDTE M Scheme

Fluid Power and Thermal Engineering 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 (22242), 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 4th sem syllabus for diploma m scheme tndte you can visit Tool & Die 4th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for fluid power and thermal engineering is as follows.

Rationale:

The growth of Engineering and Technology is associated with fluid power applications and heat & work transfer. Low cost Automation using Pneumatics and Hydraulic machines and presses are very common in Automobile and Die casting industries. Hence studying the fundamentals of Pneumatics, Hydraulics and Heat transfer facilitates better understanding of their applications in the area of Tool & Die Making and widens the employment opportunities.

Objectives:

At the end of the study of this subject the student will be able to:

  • Define the properties of fluids
  • Explain the working of pressure measuring devices
  • Appreciate the use of fluid power
  • Explaintheworkingofpneumaticsystemand itselements
  • ExplaintheworkingofHydraulic systemand itselements
  • Compare pneumatic system with hydraulic system
  • Design fluid power circuits for industrial applications
  • Explain the concept and application of thermodynamics
  • Compare various thermodynamic processes
  • Explaintheworkingofheatexchangerand its effectiveness

Detailed Content:

Unit I

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Unit II

Pneumatic System

Pneumatic system and its elements-Filter, Pressure regulator, Lubricator unitPressure control value-3/2 DCV, 5/2DCV, and 5/3DCV-Check value- Flow control value-Throttle value-Shuttle valve-Quick exhaust valve-Time delay valuePneumatic actuators-Single acting cylinder, Double acting cylinder, Air motor, ISO symbols of Pneumatic components.

Pneumatic Circuits-Direct operation of single acting cylinder-Operation of double acting cylinders-Operation of double acting cylinder with metering-in controlOperation of double acting cylinder with metering-out control-Use of shuttle valve in pneumatic circuit-Use of quick exhaust valve in pneumatic circuits-Automatic operation of double acting cylinder-Merits and Demerits of pneumatic systemApplications.

Unit III

Hydraulic System

Hydraulic system and its elements-Merits, Demerits and applications of hydraulic system.

Hydraulic pumps-types-positive displacement pumps and non positive displacement pumps -Gear pumps-External gear and internal gear type-vane pump-Axial piston pump and Radial piston pump-Hydraulic cylinders and Hydraulic motors – ISO symbols for hydraulic components -pressure relief valveDirectional control valves-3/2DCV,4/2DCV,4/3DCV. Hydraulic accumulator and its uses-Types-Gravity type accumulator, spring loaded accumulator, Gas loaded accumulator-Pressure intensifier. Hydraulic circuits-Operation of double acting cylinder using metering-in control and metering out control-Operation of Hydraulic motor using metering-in and metering out- control Hydraulic circuit using sequence valves and counter balance valves – Hydraulic circuit for shaping machine, surface grinding machine and Milling machine. Comparison of Hydraulic and Pneumatic systems.

Unit IV

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Unit V

Internal Combustion Engines And Heat Exchangers

Introduction to IC Engines-Classification-Working of four stroke cycle petrol and diesel engines-Merits & Demerits-Working of two stroke cycle petrol and diesel engines-Merits & Demerits-Comparison of four stroke and two stroke engines. Heat transfer in engineering -Modes of heat transfer-Conduction, Convection and Radiation.

Heat transfer by conduction-Fourier law of heat transfer-Thermal conductivity of engineering materials-Heat conduction through plane wall-Heat conduction through composite wall-Simple problems.

Newton’s law of cooling-Stefan Boltzmann law of radiation.

Heat exchanger-types, parallel flow heat exchanger, counter flow heat exchangers-Application of heat exchangers.

Temperature distribution for a parallel flow heat exchanger-Log Mean Temperature Difference (LMTD) – the heat transfer. Temperature distribution for a counter flow heat exchanger- LMTD – the heat transfer through counter flow heat exchanger-Simple problems in heat exchangers.

Text Books:

  1. Sundaramurthy, Fluid Mechanics and Fluid Power, Narayana publications
  2. Nag.P.K., Engineering Thermodynamics, Tata Mc Graw Hill
  3. R.C.Sachdeva, Fundamentals of Engineering Heat and Mass Transfer, Fourth edition, New age international publishers.
  4. R.Srinivasan, Hydraulic and Pneumatic controls, Vijay Nicole Imprints PVT.LTD, second edition, Chennai.

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

Answer Any Fifteen Questions 15X1 =15

All Questions carry Equal Marks

  1. State the classification of fluids.
  2. Define gravity of a fluid?
  3. Define gauge pressure
  4. State the purpose of differential U-tube manner.
  5. Draw the symbol of filter
  6. What is the use of shuttle valve?
  7. Draw the symbol of 3/2 DCV push button operated.
  8. State the use of quick exhaust valve?
  9. What is a positive displacement pump?
  10. Draw the symbol of variable displacement bidirectional pump
  11. Mention the use of accumulator
  12. Draw the symbol of pressure relief valve
  13. What is intensive property of a system
  14. State boyle’s law
  15. What is the work done in a constant pressure process
  16. State the value of heat transfer in an adiabatic process
  17. What is the use of spark plug in a petrol engine
  18. State the value of compression ratio in a diesel engine
  19. State newton’s law of cooling
  20. What is a heat exchanger?

Part-B

Answer all the questions – 5×12 = 60 marks.

      1. One litre of oil weighs 9 . 6N. calculate its specific weight, density and specific gravity
      2. Write short notes on pressure measurement by piezometer

    (Or)

    1. Compare gauge pressure with absolute pressure and explain the working of diaphragm type pressure gauge with a neat sketch
      1. Explain the working of shuttle valve with neat diagram.
      2. Explain the working of lubricator with neat diagram.

    (Or)

    1. Draw pneumatic circuit for the meter-in control of a double acting cylinder and explain.

  3. a)

      1. What is an accumulator? State its functions
      2. Explain the working of gravity type accumulator with neat sketch

    (Or)

    1. Draw a hydraulic circuit for the operation of a shaping machine and explain its working
      1. Explain open loop system and closed loop system with examples
      2. Stae the first law of thermodynamics and second law of thermodynamics

    (Or)

    1. A mass of 2 . 25kg of N2 occupying 1 . 5m3 is heated from 25aC to 200aC at constant volume. Calculate the initial and final pressure of the gas and also calculate the heat transfer and work done molecular weight of nitrogen is 28 and universal gas constant is 8314 J/kgmol . K . Assume Cp =1 . 02 KJ/kg.k .
    1. Explain the working of two stroke cycle petrol engine with a neat sketch and state its merits

      2. (Or)

      1. derive an expression for heat transfer through composite wall made up of two layers .
      2. A wall of 0 . 5m thick is constructed from a material of thermal conductivity k1=1 . 4 (W/m.k.). The wall is to be insulated with a material of k2=0 . 35(W/m.k) so that the heat loss per square Meter will not exceed 1450 watt. Assume the inner and outer walls temperatures are at 1200DC and 15DC respectively. Calculate the thickness of insulation required.

Model Question Paper 2

Part–A

  1. Define Newtonian fluid
  2. Define viscosity of a fluid
  3. State the application of Pascal’s law
  4. State the use of invented U-tube manometer
  5. What are the elements of a pneumatic system?
  6. Draw the symbol of 5/2 DCV lever operated
  7. What is the purpose of quick exhaust value in a pneumatic circuit?
  8. State any two industrial applications of pneumatic system
  9. Classify the different types of pumps
  10. State any two merits of hydraulic system
  11. Draw the symbol of gas loaded accumulator
  12. State the use of pressure intensifier
  13. Define property of a system and give example
  14. Define zeroth law of thermodynamics
  15. State Joule’s law
  16. Write the relationship between Cp,Cv and R
  17. State the classification of I.C. Engines based on cooling system
  18. What is meant by scavenging?
  19. What is the value of compression ratio in a petrol engine?
  20. State law of radiation

Part B

    1. State pascal’s law and write the proof of pascal’s law.

      2. (Or)

    2. A simple U-tube manometer is used to measure the pressure of water in a pipe line. The mercury level in the open tube is 70mm higher than that on the left tube. The height of water in the left tube is 50mm. Calculate the pressure in the pipe in
      1. meter of water
      2. in kN /m2

    1. Explain pneumatic system with a block diagram and state the advantages of pneumatic system.

      2. (Or)

    2. Draw a pneumatic circuit for the automatic operation of a double acting cylinder and explain its working.
    1. Explain the service properties of hydraulic oil and state the merits of hydraulic system

      2. (Or)

    2. Draw a hydraulic circuit for the sequential operation of two double acting cylinders and explain the working of sequential circuit
    1. Explain constant pressure process and derive an expression for work done, change in internal energy and heat transferred during this process.
    2. Air 0 . 35m3 at 22DC and at a pressure 101 . 325 kN/m2 is heated under constant volume to a temperature of 100 c, determine
      1. mass of air
      2. final pressure
      3. heat transfer and
      4. change in entropy. Assume Cp= 1 kJ/kgK, CV=0 . 71kJ/kg . K

    1. Explain the working of four stroke diesel engine with a neat sketch

      2. (Or)

    2. Explain the working of counter flow heat exchanger with a neat diagram and derive an expression for the heat transfer through counter flow heat exchanger.

For detail syllabus of all other subjects of BE Tool & Die, M scheme do visit Tool & Die 4th Sem syllabus for M scheme.

Dont forget to download iStudy Syllabus App for latest syllabus and results, class timetable and more.

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