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Reg.No. Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIRST/SECOND SEMESTER B.TECH DEGREE SPECIAL EXAMINATION, AUGUST 2016
BE 100 - ENGINEERING MECHANICS
Time : 3 Hours Maximum Marks : 100
Part-A
Answer all the questions. Each question carries 5 Marks (8 X 5 = 40 Marks)
1. (a). State the principle of Transmissibility of forces.

(b). Explain the concept of free body diagrams.

2. Find the support reactions in the beam shown in figure 1

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Fig.1
3. What is Polar Moment of Inertia? How does it differ from Product of Inertia?
4. Define virtual work and state principle of virtual work.
5. Explain Instantaneous centre of zero velocity. How can you locate it?
6. Calculate the velocity at a point ‏کے‎ radius from thetop point of a rail car wheel of
radius 250 mm, if the car moves without slipping on straight rails at 15 m/s.
7. Differentiate between free vibration and forced vibration of bodies

8. Explain the concept of single degree of freedom systems.