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Theory of Machine

Theory of Machine
If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

360°
0°
90°
180°

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Theory of Machine
The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is

None of the listed here
Perpendicular to PO
Along PO
At 45° to PO

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Theory of Machine
The relative velocity of B with respect to A in a rigid link AB is

Along AB
Parallel to AB
At 45° to AB
Perpendicular to AB

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Theory of Machine
The power from the engine to the rear axle of an automobile is transmitted by means of

Bevel gears
Worm and worm wheel
Spur gears
Hooke's joint

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Theory of Machine
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

On their point of contact
At the centre of curvature
At the centre of circle
At the pin joint

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Theory of Machine
To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use?

Spur gear
Worm gear
Spiral gear
Bevel gear

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