B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Aeronautical Science
ENGINEERING MECHANICS AND STRENGTH OF
MATERIALS
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. State parallelogram law of forces.
2. Define statics and dynamics.
3. Define Equivalent forces.
4. Define simple harmonic motion.
5. Define friction.
6. Define perfect frame.
7. Define factor of safety.
8. Define couple lever arm principle.
Part B x 12 60)
Answer all questions.
9. Explain fundamental units and derived units.
Or
Explain the principle of virtual work.
Sub. Code
14
CP-7852
2
Ws2
10. Derive the equation of centre of gravity of the
bodies.
Or
Derive the equation of moment of inertia of bodies.
11. Explain various laws of friction and co-efficient of
friction.
Or
Derive the equation of efficiency of screw jack.
12. Explain various types of frames.
Or
Explain resolution of forces using method of
sections.
13. Explain various types of forces.
Or
Explain various types of beams.
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