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Theory of Machine

Theory of Machine
The moment on the pulley which produces rotation is called

Moment of momentum
Inertia
Torque
Momentum

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Theory of Machine
When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion.

Four times
None of these
Same
Two times

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Theory of Machine
When a point at the end of a link moves with constant angular velocity, its acceleration will have

Radial component only
Tangential component only
Coriolis component only
Radial and tangential components both

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Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

16 tp
4 tp
tp /4
tp /16

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Theory of Machine
The centre of gravity of a coupler link in a four bar mechanism will experience

Only angular acceleration
No acceleration
Only linear acceleration
Both linear and angular acceleration

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Theory of Machine
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

1/2π × √(s/m)
Any one of the listed here
0.4985/√δ
1/2π × √(g/δ)

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