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Theory of Machine

Theory of Machine
Hart mechanism has

Four links
Eight links
Twelve links
Six links

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

μwr
½μWR
¾μWR
²/₃ μWR

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Theory of Machine
The following is the inversion of slider crank chain mechanism

Hand pump
Oscillating cylinder engine
All of these
Whitworth quick return mechanism

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Theory of Machine
The working depth of a gear is the radial distance from the

Pitch circle to the top of a tooth
Addendum circle to the clearance circle
Pitch circle to the bottom of a tooth
Top of a tooth to the bottom of a tooth

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Theory of Machine
A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

5
2
4
3

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

None of these
Equal to
Less than
Greater than

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