Engineering :: Machine Design
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| 201. |
The type of cam used for low and moderate speed engines is generally |
| A. |
Harmonic |
B. |
Tangent |
| C. |
Involute |
D. |
Flat |
| E. |
Cylindrical |
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Answer: Option A
Explanation:
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| 202. |
The cam used for high speed engines is |
| A. |
Involute |
B. |
Tangent |
| C. |
Cycloidal |
D. |
Uniform acceleration |
| E. |
Flat |
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Answer: Option C
Explanation:
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| 203. |
The cam follower generally used in automobiles is |
| A. |
Roller type |
B. |
Knife edge type |
| C. |
Flat type |
D. |
Spherical type |
| E. |
Mushroom type |
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Answer: Option E
Explanation:
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| 204. |
The notch angle of Izod impact test specimen is |
Answer: Option E
Explanation:
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| 205. |
Shear stress theory is applicable to |
| A. |
Ductile materials |
B. |
Brittle materials |
| C. |
Plastic materials |
D. |
Elastic materials |
| E. |
Visco-elastic materials |
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Answer: Option A
Explanation:
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| 206. |
The form coefficient of a spring is |
| A. |
The load/unit drflection |
B. |
Load/spring area |
| C. |
Ratio of coil diameter to wire diameter |
D. |
It capability to store energy |
| E. |
Dynamic load carrying capacity |
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Answer: Option D
Explanation:
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| 207. |
In V-belt drive the belt touches |
| A. |
At bottom |
B. |
At sides only |
| C. |
Both at bottom as well as sides |
D. |
Anywhere |
| E. |
None of the above |
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Answer: Option E
Explanation:
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| 208. |
The deflection of a helical spring is |
| A. |
Directly proportional to d |
B. |
Directly proportional to d2 |
| C. |
Directly proportional to d3 |
D. |
Directly proportional to d3/2 |
| E. |
Directly proportional to d4 |
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Answer: Option E
Explanation:
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| 209. |
Coriolis component of acceleration is encountered in |
| A. |
Four bar mechanism |
B. |
Mechanism of steam engine |
| C. |
Lower pair |
D. |
Higher pair |
| E. |
Whit worth-quick-return motion |
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Answer: Option E
Explanation:
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| 210. |
V-belt sections generally used in an automobiles are |
Answer: Option A
Explanation:
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