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Theory of Machine

Theory of Machine
In an ideal machine, the output as compared to input is

Equal
More
May be less or more depending on efficiency
Less

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Theory of Machine
The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is

Less than 2
Equal to 2
Equal to 1
Greater than 2

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

Same
More
Less
None of the listed here

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Theory of Machine
A kinematic chain requires at least

4 links and 4 turning pairs
5 links and 4 turning pairs
2 links and 3 turning pairs
3 links and 4 turning pairs

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Theory of Machine
The lead screw of a lathe with nut forms a

Screw pair
Sliding pair
Turning pair
Rolling pair

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Theory of Machine
The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is

Perpendicular to PO
At 45° to PO
None of the listed here
Along PO

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