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Theory of Machine

Theory of Machine
The lead screw of a lathe with nut forms a

Sliding pair
Turning pair
Screw pair
Rolling pair

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Theory of Machine
An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

Dedendum circle
Addendum circle
Pitch circle
Clearance circle

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Theory of Machine
The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

9/128
30195
44090
44082

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Theory of Machine
When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

Downward
Backward
Forward
Upward

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

Less
Same
None of the listed here
More

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Theory of Machine
When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

Simple pendulum
Compound pendulum
Second's pendulum
Torsional pendulum

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