TITLE.PM5

INTRODUCTION—OUTLINE OF SOME DESCRIPTIVE SYSTEMS 13

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— Combustor

— Auxiliaries such as starting device, auxiliary lubrication pump, fuel system, oil system and the duct

system etc.

5. Refrigeration means the cooling or removal of heat from a system. Refrigerators work mainly on two
   processes
   (i) Vapour compression and
   (ii) Vapour absorption.

Theoretical Questions

1. Give the layout of a modern steam power plant and explain its various circuits.


2. List the components of a nuclear power plant.


3. Draw the cross-section of an air cooled I.C. engine and label its various parts.


4. Explain with neat sketches the working of a four stroke petrol engine.


5. How are gas turbines classified?


6. What are the major fields of application of gas turbines?


7. With the help of a neat diagram explain the working of a simple gas turbine plant.


8. Draw the energy cycle for a simple-cycle gas turbine.


9. Explain with a neat sketch the working of a simple vapour compression system.


10. Draw the neat diagram of a domestic refrigerator, showing its various parts. Explain its working also.