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Theory of Machine

Theory of Machine
The locus of a point on a thread unwound from a cylinder will be

Cycloidal
A straight line
A circle
Involute

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Theory of Machine
Sense of tangential acceleration of a link

Is perpendicular to that of velocity
Is same as that of velocity
Is opposite to that of velocity
Could be either same or opposite to velocity

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Theory of Machine
Which gear train is used for higher velocity ratios in a small space?

Reverted gear train
Epicyclic gear train
Simple gear train
Compound gear train

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Theory of Machine
In S.H.M., the velocity vector w.r.t. displacement vector

Leads by 180°
Lags by 90°
Leads by 90°
Are in phase

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Theory of Machine
In a kinematic chain, a quaternary joint is equivalent to

Two binary joints
Four binary joints
One binary joint
Three binary joints

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

May be less or more depending on efficiency
More
Equal
Less

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MORE MCQ ON Theory of Machine

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