Civil Engineering - Applied Mechanics

31. 

The frequency of oscillation on moon as compared to that on earth, will be

A. 2.44 times more
B. 2.44 times less
C. 3 times less
D. 3 times more.

Answer: Option B

Explanation:

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32. 

Moment of interia of a squares of side fa about an axis through its centre of gravity, is

A. b3/4
B. b4/12
C. b4/3
D. b4/8
E. b4/36.

Answer: Option B

Explanation:

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33. 

The reaction at the support D of the continuous beam ABCD, hinged at two points shown in below figure is

A. 1.6 t
B. 1.6 t
C. 0.5 t
D. 0.5 t
E. 8.5 t

Answer: Option B

Explanation:

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34. 

When a body slides down an inclined surface, the acceleration (f) of the body, is given by

A. f = g
B. f = g sin θ
C. f = g cos θ
D. f = g tan θ.

Answer: Option B

Explanation:

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35. 

The velocity ratio of an inclined plane of inclination θ with horizontal for lifting a load is

A. sin θ
B. cos θ
C. tan θ
D. sec θ
E. cosec θ.

Answer: Option E

Explanation:

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