Engineering :: Engineering Mechanics
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| 201. |
The centre of percussion is below the centre of gravity of the body and is at a distance equal to |
| A. |
h / kG |
B. |
h2 / kG |
| C. |
k2G / h |
D. |
h x kG |
Answer: Option C
Explanation:
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| 202. |
The motion of a wheel of a car is |
| A. |
purely translation |
B. |
purely rotational |
| C. |
combined translation and rotational |
D. |
none of these |
Answer: Option C
Explanation:
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| 203. |
When a person, on a bicycle, drives round a curve, he has to lean |
Answer: Option A
Explanation:
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| 204. |
The angle of inclination of a vehicle when moving along a circular path |
| A. |
depends |
B. |
does not depend |
Answer: Option B
Explanation:
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| 205. |
The angle of inclination with the vertical is |
Answer: Option A
Explanation:
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| 206. |
The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force. |
Answer: Option A
Explanation:
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| 207. |
The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force |
Answer: Option A
Explanation:
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| 208. |
The slope on the road surface generally provided on the curves is known as |
| A. |
angle of friction |
B. |
angle of repose |
| C. |
angle of banking |
D. |
none of these |
Answer: Option C
Explanation:
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| 209. |
The ideal angle of banking provided on the curves on roads depends upon |
| A. |
weight of the vehicle |
B. |
(velocity)2 of the vehicle |
| C. |
nature of the road surface |
D. |
coefficient of friction between the road and vehicle contact point |
Answer: Option B
Explanation:
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| 210. |
When a train is rounding a curve, the side thrust on the wheel flanges is prevented by raising the outer edge of the rail. |
Answer: Option A
Explanation:
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