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Theory of Machine

Theory of Machine
Davis steering gear consists of

Sliding pairs
Higher pairs
Rolling pairs
Turning pairs

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Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

T/3
√(3m/T)
(T.g)/3
√(T/3m)

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Theory of Machine
When a body is subjected to transverse vibrations, the stress induced in a body will be

Bending stress
Compressive stress
Tensile stress
Shear stress

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Theory of Machine
The example of successfully constrained motion is a

Motion of an I.C. engine valve
All of these
Motion of the shaft between a footstep bearing
Piston reciprocating inside an engine cylinder

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Theory of Machine
The lower pairs are _________ pairs.

None of these
Force-closed
Self-closed
Friction closed

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Theory of Machine
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to

Reduce vibration
Ensure proper alignment
Ensure uniform loading
Reduce slip

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