Diploma Thermal Engineering 2 Important theory Questions

Diploma Thermal Engineering 2 Important theory Questions

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Welcome to Diploma Exam Corner, In this section you can find out the Diploma Thermal Engineering 2 Important Questions for the Upcoming Board Examination. You can download Diploma Thermal Engineering 2 Important Questions as pdf.

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Unit 1 Formation and Properties of Steam & Thermodynamic Processes of Vapour

1.Explain the method of finding dryness fraction of steam using separating and throttling calorimeter with a neat sketch.

2. Write short notes on mollier diagram. (or) What are the uses of mollier chart and indicated the
various line included in mollier chart with their region.
3. Explain the various process in with graph connecting the temperature and enthalpy, temperature and entropy, temperature and volume process.
4. How do you determine the dryness fraction of a steam by using barrel calorimeter?
5. How do you determine the dryness fraction of a steam by using combined separating and throttling calorimeters?

Diploma Thermal Engineering 2 Important theory Questions
Diploma Thermal Engineering 2 Important theory Questions

Unit 2

1. State the function of the following
a) Safety valves b) Water level indicator (c) Fusible plug (d) Pressure gauge (e) Steam stop valve (f) Feed check valve (g) Economiser (h) Super heater (i) Air pre heater
2. List the main features of the modern high pressure boilers.
3. With line sketch explain the working of BHEL high pressure boiler. (or) Explain with neat sketch B.H.E.L high pressure boilers with specification and advantages (or) Explain with neat sketch Bharat Heavy Electrical Limited boilers with specification and advantages high pressure boilers.
4. State the main clauses of Indian boiler act and Mention the safety precaution to he followed in boiler operation.
5. What are the effects of impurities present in the feed water?
6. Why the boiler feed water treatment is needed?
7. Explain the internal and external treatment of boiler feed water
5. What are the procedure to he followed to start the boiler from cold conditions?
6. With neat sketch explain the working of Lamont boiler.
7. With neat sketch, explain the function, location and working of any two boiler mountings.
8. With neat sketch, explain the functions, location and working of any two boiler accessories.
9. State the functions of electrostatic precipitator

Unit -3 THERMAL POWER PLANT & STEAM TURBINES AND CONDENSERS

1. Explain and drew the layout of thermal power plant.
2. Explain the fuel and ash circuit of a thermal power plant with a line diagram.
3. Explain the water and steam circuit of a thermal power plant with a line diagram.
4. Explain the air and flue gas circuit of a thermal power plant with a line diagram

5. Explain the cooling water circuit of a thermal power plant with a line diagram.
6. List the major pollutants and their effects and how SO2, and NO2, pollutants are controlled?
7. Explain with neat sketch three types of pollution control
8. Write notes on
a) Fluidised bed combustion b) Thermal pollution

c) Noise pollution
9. What is the necessity of compounding and state the types of compounding adopted in the turbine? Explain any two with neat sketches.
10. Draw P-V and T-S diagram of modified rankine cycle and indicate various processes.
11. Explain the working of the following with suitable sketches.
1) Back pressure turbine ii) Exhaust turbine iii) Pass out turbine
12. Draw and explain P-V and T-S diagram of carnot cycle and derive an expression for efficiency of carnot cycle using steam as working fluid.
13. What is the necessity of compounding? Explain pressure compounding in a steam turbine with a
neat sketch.
14. Explain velocity and pressure velocity compounding in a steam turbine with a neat sketch.
15. Explain the working of condensing plant with line diagram.
16. Explain the working of any two types of Jet condenser.
17. Explain the working of any two types of surface condenser with suitable sketch.
18. Explain the working of evaporative condenser.
19. Compare the Jet condensers with surface condenser Explain the working of cooling tower with
suitable

Unit 4 CONVENTIONAL SOURCES OF ENERGY AND NUCLEAR POWER PLANT
1. Draw the layout of hydroelectric (Hydel) power plant and explain in detail. State its merits and
demerits
2. With suitable line diagram explain the diesel power plant. State its merits and demerits.
3. Explain the chain reaction.
4. Draw the layout of nuclear power plant and explain. State its merits and demerits
5. Draw the outline of nuclear reactor and lable the components.
6. What are the desirable properties of nuclear fuels?
7. With a neat sketch explain the working of PWR? State its merits and demerits.
8. With a neat sketch explain the working of BWR? State its merits and demerits

9. With a neat sketch explain the working of CANDU type reactor. State its merits and demerits.
10. With a neat sketch explain the working of fast breeder reactor. State its merits and demerits.
11. What are the effects of nuclear radiation?
12. Explain nuclear fuel cycle and what are the factors to be considered while selecting the site for
nuclear power plant. Explain.
13. Explain in detail about any three methods of Uranium enrichment.
14. Discuss in details about disposal of nuclear wastes.
15. What are the differences between nuclear power plant and thermal power plant?
16. Discuss in details about nuclear power plant in India

Unit 5 AIR COMPRESSORS & GAS TURBINES
1. Explain with a neat sketch the working of vane blower and root blower.
2. Describe the working of a centrifugal compressor and axial compressor with a neat sketch.
3. Explain the working of single stage single acting reciprocating compressor with neat sketch.
4. Explain the working of constant pressure open cycle gas turbine
5. Explain the working of gas turbine with intercooler
6. Explain the working of gas turbine with reheater
7. Explain the working of gas turbine with regenerator (or) heat exchanger
8. Explain the working of open gas turbine cycle with intercooler, heat exchanger and reheater and
closed cycle gas turbine
9. Explain the working of turbo jet turbo propeller and ram jet

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