Civil Engineering - Applied Mechanics

11. 

A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

A. the extreme point of the oscillation
B. through the mean position
C. through a point at half amplitude
D. none of these.

Answer: Option B

Explanation:

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12. 

The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane of the lamina and passing through its centre, is

A.
B.
C.
D.
E.

Answer: Option D

Explanation:

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13. 

The unit of impulse, is

A. kg.m/sec
B. kg.m/sec3
C. kg.m/sec2
D. kg.m2/sec.

Answer: Option A

Explanation:

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14. 

If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central dip is y, the horizontal pull at each support, is

A.
B.
C.
D. wl.

Answer: Option B

Explanation:

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15. 

The practical units of work, is

A. erg
B. joule
C. Newton
D. dyne.

Answer: Option B

Explanation:

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