B.Sc. DEGREE EXAMINATION, NOVEMBER 2017.
Aircraft Maintenance Science
STRENGTH OF MATERIALS AND APPLIED
MECHANICS
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. Define Statics and Dynamics.
2. Define
Factor of safety
Poisson's Ratio.
3. State Parallelogram Law of Forces
4. Define Hooke's Law of Elasticity
5. What are the different types of gears used in aviation
maintenance?
6. Define Moment of force
7. Mention various types of loads and beams with diagram.
8. Define Stress and Strain.
Sub. Code
23
CP-7812
2
WS 20
Part B x 12 60)
Answer all questions.
9. Explain fundamental and derived units with
examples.
Or
Explain various types of forces in a system.
10. An axial pull of 35000 N is acting in a bar consisting
of three lengths as shown in the fig. If the Young's
Modulus is 2.1 105 N/mm2, determine
Stress in each section
Total extension of the bar.
Or
Explain Stress-Strain Relationship of materials.
11. Explain Shear Force diagrams and Bending
Moment diagrams.
Or
Explain different types of Trusses, with neat
sketches.
CP-7812
3
WS 20
12. What are the various types of rivets? Explain the
procedure for riveting.
Or
Explain the various materials used for bearings and
springs in aviation maintenance.
13. Explain various types of Belt Drives with neat
sketches.
Or
Briefly explain
Parallelogram Law of Forces
Polygon Law of Forces.
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