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Theory of Machine

Theory of Machine
The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.

Minimum
Maximum
None of these
Zero

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Theory of Machine
In an open pair, the two elements of a pair

Have a surface contact when in motion
Are not held together mechanically
Are kept in contact by the action of external forces, when in motion
Have a line or point contact when in motion

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS
2ECS²
EC S/2
2E²CS

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Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

Broken belt and its adjacent belts
Broken belt
There is no need of changing any one as remaining belts can take care of transmission of load
All the belts

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Theory of Machine
Whitworth quick return mechanism is obtained by inversion of

Five link mechanism
Kinematic chain
Slider crank mechanism
Roller cam mechanism

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Theory of Machine
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Equal to
Less than
None of these
Greater than

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