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Theory of Machine

Theory of Machine
A mechanism is an assemblage of

All of these
Four or more than four links
Two links
Three links

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Theory of Machine
The two elements of a pair are said to form a higher pair, when they

Are kept in contact by the action of external forces, when in motion
Have a line or point contact when in motion
Have a surface contact when in motion
Permit relative motion

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Theory of Machine
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

0, and less than coV
cor, 0
0, and more than co2r
0, 0

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Theory of Machine
Shaft revolving in a bearing is the following type of pair

Higher pair
Lower pair
Spherical pair
Cylindrical pair

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Theory of Machine
The unbalanced primary forces in a reciprocating engine are

Balanced partially
Balanced by secondary forces
Balanced completely
Not balanced

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Theory of Machine
Klein's construction can be used when

Crank has a uniform angular velocity
Crank has uniform angular velocity and angular acceleration
Crank has non-uniform velocity
Crank has uniform angular acceleration

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