B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Aircraft Maintenance Science
AIRFRAME STRUCTURE AND SYSTEMS
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. Explain the various structural stresses acting on the
aircraft.
2. What is the purpose of spars and ribs in wing
construction? Explain.
3. What is the purpose of trunnion in Landing gear?
4. What is flap? Name its type.
5. Explain the zoning of aircraft.
6. Define ballast and its type.
7. Where the flexible hoses are used?
8. What is the purpose of cross feed fuel system?
Part B x 12 60)
Answer all questions.
9. Briefly explain the operation of nose wheel steering
system.
Or
What are the types of fuselage construction and
explain the semi-monocoque construction?
Sub. Code
34
CP-7817
2
sp4
10. Explain conventional flying Control system
components and its functions.
Or
Explain the control around vertical axis.
11. How incidence angle of a wing can be checked
during rigging?
Or
What are the occasions for checking the structural
alignment? Describe the symmetry Checks in detail.
12. With neat sketch explain the types of hydraulic
accumulators.
Or
State the advantages and disadvantages of
pneumatic system over hydraulic system.
13. Write the general rules to be followed by the aircraft
operator during defueling of an aircraft.
Or
Explain the aircraft fuel tanks.
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