Theory of Machine
In a simple train of wheels, the velocity ratio __________ the intermediate wheels.

None of these
Is independent of
Either A or B
Depends upon

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Theory of Machine
In a four bar chain or quadric cycle chain

Three are turning pairs and one is a sliding pair
Two are turning pairs and two are sliding pairs
Each of the four pairs is a turning pair
One is a turning pair and three are sliding pairs

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Theory of Machine
A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

Become equal to 2R
Become equal to R/2
Remain same as before
Become equal to R/4

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