Dynamics of Machinery (3151911) MCQs
MCQs of Dynamic force analysis of mechanisms
| 11. |
The crank effort is the product of crankpin radius and _______.
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Answer:
Option (b) |
| 12. |
In a horizontal engine, the weight of the reciprocating parts also add/subtract to the piston effort.
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Answer:
Option (b) |
| 13. |
Which of the following expression represent the angular acceleration α of the connecting rod?
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Answer:
Option (a) |
| 14. |
The length of the crank and connecting rod are 150 mm and 600 mm. The crank position is 60° from the inner dead center. The crankshaft speed is 400 r.p.m. Find the acceleration in m/s2 of the slider.
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Answer:
Option (c) |
| 15. |
While calculating the angular acceleration of the connecting rod, sin2(θ) term is neglected.
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Answer:
Option (a) |
| 16. |
Correction couple is applied when masses are placed arbitrarily and to maintain _________.
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Answer:
Option (b) |
| 17. |
The sum of torques required to accelerate a 2 mass system and to accelerate a rigid body is called correction couple.
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Answer:
Option (b) |
| 18. |
The correction couple does not depend on _________.
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Answer:
Option (d) |
| 19. |
Mass moment of inertia of two arbitrary masses placed will be the same as the mass moment inertia of the rigid body.
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Answer:
Option (b) |
| 20. |
Force which does not act on the connecting rod is ______.
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Answer:
Option (d) |
