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Theory of Machine

Theory of Machine
The velocity of the rubbing surface __________ with the distance from the axis of the bearing.

None of these
Decreases
Remain same
Increases

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Theory of Machine
The sensitiveness of the governor _____ as the speed range decreases.

Decreases
Increases
None of the listed here
Remains unaffected

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Theory of Machine
To obviate axial thrust, following gear drive is used

Double helical gears having opposite teeth
Mutter gears
Single helical gear in which one of the teeth of helix angle a is more
Double helical gears having identical teeth

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Theory of Machine
When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be

ω²r. n/(n + 1)
ω²r. n/(n - 1)
ω²r. (n + 1)/n
ω²r. (n - 1)/n

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Theory of Machine
A mechanism _________ for transmitting or transforming motion.

None of these
Can be used
Unpredictable
Can not be used

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Theory of Machine
A Hartnell governor is a

Spring loaded governor
Pendulum type governor
Dead weight governor
Inertia governor

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