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Theory of Machine

Theory of Machine
The moment on the pulley which produces rotation is called

Momentum
Moment of momentum
Torque
Inertia

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Theory of Machine
The primary unbalanced force is maximum _________ in one revolution of the crank.

Four times
Sixteen times
Eight times
Twice

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Theory of Machine
A pantograph is a mechanism with

Higher pairs
Turning pairs
Rolling pairs
Lower pairs

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Theory of Machine
When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a

Sliding pair
Screw pair
Spherical pair
Turning pair

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

EC S/2
2E²CS
2ECS²
2ECS

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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 anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

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

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