B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Aircraft Maintenance Science
AIRCRAFT ELECTRICAL SYSTEM
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Part A x 5 15)
Answer any five questions.
1. What is invertors?
2. Describe electrolyte.
3. What are the characteristics of electric wire?
4. What is bonding and shielding?
5. Write about thermal runaway.
6. What is purpose of hydrometer test?
7. Describe proximity sensor.
8. What is residual magnetism?
Part B x 12 60)
Answer all questions.
9. Explain static discharger with the help of a
diagram.
Or
Describe the construction of Nickel Cadmium
battery.
Sub. Code
44
CP-7821
2
Ws 4
10. Draw a diagram of reverse current cutout relay and
explain.
Or
Explain the procedure for generator load balancing.
11. Explain parallel electric power distribution system.
Or
Write general requirements for inspection and
maintenance of electrical installation.
12. Explain the aircraft fire protection system.
Or
Write short notes on followings
Instrument lights
Cabin lights
Warning lights.
13. Explain the procedure for routing of electric wire
bundle.
Or
Discuss about the characteristics of soldered and
crimped connections.
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