Alagappa University 2007-2nd Sem B.Sc Aviation of Aero engine maintenance for Aeronautical science- Question Paper

AEROENGINE MAINTENANCE

Time: three hours (Marks 75)

PART A — (5 x three = 15 marks)
ans any 5 of the subsequent ques..

1. Name 4 common engine classification based on cylinder arrangement.
2. How is venturitube utilized in a carburetor?
3. elaborate the major parts of a spark plug?
4. elaborate the kinds of propeller shafts?
5. What is the purpose of oil filter?
6. What is the purpose of compressor wash?
7. elaborate the primary conditions that are necessary in order to begin an engine?
8. What is the advantage of carbon air seals over the labyrinth kind seals?

PART B — (5 x three = 15 marks)

9. a) discuss various kinds of gas turbine engines.
or
b)Explain principal parts of a jet engine.

10. a) define every kinds of compressors which are classified with respect to air flow.
or
b)What are the parameters which must be controlled to ensure efficient and safe performance of gas turbine engine? discuss every of them.

11. a)What are the essential parts of a carburetor? discuss every of them.
or
b)Explain the principle of operation of a pressure injection carburetor.

12. a)Explain the purpose of fuel metering.
or
b)Explain back firing and after firing.

13. a)Explain the operating procedures can help decrease lead fouling of the spark plugs?
or
b)Explain various kinds of compression testers used in reciprocating engines.

Earning:   Approval pending.