Kinematics and Theory of Machines (3131906) MCQs
MCQs of Friction, Clutch and Brake
| 21. |
When the frictional force helps the applied force in applying the brake, the brake is _______.
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Answer:
Option (c) |
| 22. |
In an internal expanding shoe brake, more than 50% of the total braking torque is supplied by ________.
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Answer:
Option (a) |
| 23. |
_____________ friction is the force of friction experienced by a body when it is at rest.
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Answer:
Option (b) |
| 24. |
_____________ friction is the value of the limiting friction just before slipping occurs.
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Answer:
Option (b) |
| 25. |
____________friction is the force of friction experienced by a body when it is in motion.
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Answer:
Option (a) |
| 26. |
When a body slides over another, the frictional force experienced by the body is known as ____________ friction.
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Answer:
Option (a) |
| 27. |
When a body rolls over another, frictional force experienced by the body is known as _______________ friction.
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Answer:
Option (b) |
| 28. |
Co-efficient of rolling friction is _______________ than co-efficient of sliding friction.
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Answer:
Option (c) |
| 29. |
The co-efficient of dynamic friction is _______________ than static friction.
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Answer:
Option (c) |
| 30. |
_____________ is the friction, experienced by a body, due to the motion of rotation as in the case of foot step bearings.
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Answer:
Option (a) |
