Civil Engineering - Applied Mechanics

11. 

Time of flight of a projectile on a horizontal plane, is

A.
B.
C.
D.

Answer: Option A

Explanation:

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12. 

The reaction RB of the roller support B of the beam shown in below figure is

A. 10.8 t
B. 10.6 t
C. 10.4 t
D. 10.2 t.

Answer: Option A

Explanation:

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13. 

The acceleration of a train starting from rest at any instant is where V is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of

A. 2000 m
B. 2100 m
C. 2200 m
D. 2300 m
E. 2500 m.

Answer: Option D

Explanation:

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14. 

The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

A. sliding friction
B. rolling friction
C. limiting friction
D. none of these.

Answer: Option C

Explanation:

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15. 

If G is the Gauge of track, v is velocity of the moving vehicle, g is the acceleration due to gravity and r is the radius of a circular path, the required superelevation is

A.
B.
C.
D.

Answer: Option D

Explanation:

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