Engineering :: Theory of Machines
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21. |
In an at tomobile the power is transmitted from gear box to differential through |
A. |
Kunckle join |
B. |
Universal joint |
C. |
Oldham's coupling |
D. |
Hooke's joint |
E. |
Bevel grars |
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Answer: Option D
Explanation:
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22. |
A piston and cylinder in a slider crank mechanism form a |
A. |
Sliding pair |
B. |
Rolling pair |
C. |
Turning pair |
D. |
Cylindrical pair |
E. |
Sliding pair |
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Answer: Option A
Explanation:
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23. |
A shaft revolving in a bearing forms a |
A. |
Lower pair |
B. |
Higher pair |
C. |
Turning pair |
D. |
Clindrical pair |
E. |
Turning pair |
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Answer: Option A
Explanation:
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24. |
Which one of the following is the inversion of slider crank mechanism |
A. |
Reciprocating internal combustion engine |
B. |
Crank and slotted level mechanism |
C. |
Whitworth quick return mechanism |
D. |
(A) and (B) above |
E. |
(A), (B) and (C) above |
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Answer: Option E
Explanation:
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25. |
If there are L number of links in a mechanism, then the number of possible inversions would be |
Answer: Option A
Explanation:
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26. |
A pantograph is a mechanism or a kinematic arrangement comprising |
A. |
A lower pair |
B. |
Two lower pairs |
C. |
Three lower pairs |
D. |
10 links |
E. |
None of the above |
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Answer: Option B
Explanation:
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27. |
Which one of the following is a higher pair? |
A. |
Thomoson indicator mechanism |
B. |
Double McInnes Indicator mechanism |
C. |
Hart's straight line mechanism |
D. |
Crossby indicator mechanism |
E. |
Tooth gearing mechanism |
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Answer: Option E
Explanation:
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28. |
The sense of tangential acceleration of a link |
A. |
Is the same as that of velocity |
B. |
Is opposite to the velocity |
C. |
Could be either the same or opposite to velocity |
D. |
Is always in a plane perpendicular to the plane of motion |
E. |
None of the above |
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Answer: Option C
Explanation:
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29. |
The mechanism used to enlarge or reduce moments for reproducing drawings to different scales is known as |
A. |
Clinograph |
B. |
Graphometer |
C. |
Trisquare |
D. |
Durograph |
E. |
Pantograph |
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Answer: Option E
Explanation:
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30. |
The number of links in a pantograph is equal to |
Answer: Option B
Explanation:
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