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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Higher pair
Sliding pair
Lower pair
Rolling pair

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Theory of Machine
A cam mechanism imparts following motion

Oscillating
All of these
Rotating
Reciprocating

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Theory of Machine
The example of spherical pair is

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

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Theory of Machine
The two elements of a pair are said to form a higher pair, when they

Have a line or point contact when in motion
Are kept in contact by the action of external forces, when in motion
Have a surface contact when in motion
Permit relative motion

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Theory of Machine
Davis steering gear consists of

Higher pairs
Rolling pairs
Turning pairs
Sliding pairs

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

650°K
625°K
600°K
700°K

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