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Theory of Machine

Theory of Machine
In automobiles the power is transmitted from gear box to differential through

Universal joint
Bevel gear
Hooke's joint
Knuckle joint

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Theory of Machine
The lower pairs are _________ pairs.

Self-closed
None of these
Friction closed
Force-closed

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Theory of Machine
The Coriolis component of acceleration exists whenever a point moves along a path that has

Linear displacement
Tangential acceleration
Gravitational acceleration
Rotational motion

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Theory of Machine
In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)

P = W tan(α - φ)
P = W tan(φ - α)
P = W cos(α + φ)
P = W tan(α + φ)

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Theory of Machine
Oldham’s coupling is an inversion of the kinematic chain used in

Whitworth quick return mechanism
Universal joint
Rotary engine
Elliptical trammels

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Theory of Machine
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Less than
None of these
Greater than
Equal to

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