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Theory of Machine

Theory of Machine
Hart mechanism has

Eight links
Twelve links
Six links
Four 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
¾μWR
²/₃ μWR
½μWR

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Theory of Machine
The number of centers in a crank driven slider crank mechanism is

4
6
2

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Theory of Machine
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

Flywheel
Meyer's expansion valve
D-slide valve
Governor

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Theory of Machine
For fluctuating loads, well suited bearing is

Needle roller bearing
Roller bearing
Thrust bearing
Ball bearing

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Theory of Machine
Transmission angle is the angle between

Input link and fixed link
Output link and fixed link
Output link and coupler
Input link and coupler

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