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Theory of Machine

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

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

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Theory of Machine
The Coriolis component of acceleration is taken into account for

Four bar chain mechanism
All of these
Slider crank mechanism
Quick return motion mechanism

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Theory of Machine
In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

Along AO
Parallel to OA
Perpendicular to OA
At 45° to OA

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Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Zero
Maximum
Minimum
Infinity

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Theory of Machine
A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

Straight line path
Parabolic path
Elliptical path
Hyperbolic path

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Theory of Machine
In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

Minimize the effect of primary forces
Have perfect balancing
Minimize the effect of secondary forces
To start the locomotive quickly

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