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Theory of Machine

Theory of Machine
V-belts are usually used for

Long drives
None of these
Short drives
Long and short drives

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Theory of Machine
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

Self-closed pair
Lower pair
Higher pair
Force-closed pair

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Theory of Machine
Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is

34
20
30
10

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Theory of Machine
The example of spherical pair is

Lead screw of a lathe
Ball bearing and roller bearing
Ball and socket joint
Bolt and nut

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Theory of Machine
A circular bar moving in a round hole is an example of

Successfully constrained motion
Incompletely constrained motion
Completely constrained motion
Partially constrained motion

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Theory of Machine
The Coriolis component of acceleration acts

Along the sliding surface
Perpendicular to the sliding surface
At 45° to the sliding surface
Parallel to the sliding surface

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