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Theory of Machine

Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Sixteen times
Eight times
Two times
Four times

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

Equal to
None of these
Less than
Greater than

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Theory of Machine
In a flat collar pivot bearing, the moment due to friction is proportional to

(r₁³ - r₂³)/(r₁² - r₂²)
(r₁² - r₂²)/(r₁ - r₂)
(r₁² - r₂²)/(r₁ + r₂)
(r₁³ - r₂³)/(r₁ - r₂)

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

Moment of momentum
Inertia
Torque
Momentum

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Theory of Machine
The two elements of a pair are said to form a _________ when they permit relative motion between them.

Sliding pair
Open pair
Kinematic pair
None of these

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Theory of Machine
In under damped vibrating system, the amplitude of vibration

Increases exponentially with time
Increases linearly with time
Decreases exponentially with time
Decreases linearly with time

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