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Theory of Machine

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

Minimum
Infinity
Maximum
Zero

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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
Hyperbolic path
Parabolic path
Elliptical path

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Theory of Machine
In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.

Equal to
Greater than
Less than
None of these

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Theory of Machine
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

(ω₁ - ω₂)r
(ω₁ + ω₂)r
ω₁.ω₂.r
(ω₁ - ω₂)2r

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Theory of Machine
For fluctuating loads, well suited bearing is

Thrust bearing
Needle roller bearing
Roller bearing
Ball bearing

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

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MORE MCQ ON Theory of Machine

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