B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Aeronautical Science
AEROENGINE MAINTENANCE
(Upto 2015 Batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. Explain the basic categories of On-wing maintenance.
2. List out the purpose of local etching.
3. Define Pre-heating of an engine.
4. What is blade life in propeller?
5. What are the types of propeller shafts?
6. Describe 'hung start' of a jet engine.
7. How will you assess engine performance?
8. What is the function of carburetor?
Part B x 12 60)
Answer all questions.
9. Explain in detail about general overhaul procedure
of gas turbine engine.
Or
What do you understand by NDT checks? Briefly
explain about magnetic particle testing.
Sub. Code
53
CP-7867
2
Wk 6
10. Enumerate wooden propeller defects and repair
procedure.
Or
List out the general inspection and repair of metal
propellers.
11. Explain the procedure of ignition system
operational checks during Ground run.
Or
Briefly explain the reciprocating engine, shutdown
and post stopping procedure.
12. Explain about full spray nozzle testing procedure.
Or
Describe about over speed and overheat inspection
procedure of Gas turbine engine.
13. Describe the procedure for full throttle operation
checks and assessment of engine performance.
Or
How will you assess the engine performance in
terms of engine pressure ratio parameter?
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