Civil Engineering - Applied Mechanics

51. 

The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

A. 0.2 R
B. 0.3 R
C. 0.4 R
D. 0.5 R
E. 0.6 R.

Answer: Option E

Explanation:

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52. 

A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

A. moon
B. earth
C. sun
D. pole.

Answer: Option B

Explanation:

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53. 

The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane

A. to be zero
B. to be maximum
C. to be minimum
D. none of the these.

Answer: Option B

Explanation:

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54. 

The load shared by the member BC of the structure shown in below figure is

A. 23t
B. 32t
C. 4 t
D. 3 t.

Answer: Option C

Explanation:

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55. 

A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be

A.
B.
C.
D.

Answer: Option B

Explanation:

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