21. |
Which of the following is a type of free vibration?
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Answer:
Option (d) |
22. |
In a spring-mass system, which of the following force is not considered?
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Answer:
Option (b) |
23. |
In a spring-mass-damper system, which of the following force is considered?
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Answer:
Option (d) |
24. |
The velocity of a particle moving with simple harmonic motion is _______ at the mean position.
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Answer:
Option (c) |
25. |
The maximum acceleration of a particle moving with simple harmonic motion is __________.
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Answer:
Option (b) |
26. |
At the mean position, the potential energy of the system is _______.
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Answer:
Option (a) |
27. |
As per Energy Method, the summation of kinetic energy and potential energy must be ________ which is the same at all the times.
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Answer:
Option (d) |
28. |
In Rayleigh’s method, the _____________ at the mean position is equal to the maximum potential energy (or strain energy) at the extreme position.
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Answer:
Option (c) |
29. |
Equilibrium method is in accordance with which of the following principle?
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Answer:
Option (b) |
30. |
When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
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Answer:
Option (c) |