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Theory of Machine

Theory of Machine
The number of links in pantograph mechanism is equal to

5
3
4
2

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Theory of Machine
When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a

Turning pair
Screw pair
Sliding pair
Spherical pair

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

Less
None of these
More
Same

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Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Free vibration
Damped vibration
Forced vibration
Under damped vibration

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Theory of Machine
Flexible coupling is used because

It is easy to disassemble
It transmits shocks gradually
It prevents shock transmission and eliminates stress reversals
It is easy to engage and disengage

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Theory of Machine
The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is

(kG² + h²)/h²
h²/(kG² + h²)
(kG² + h²)/h
h/(kG² + h²)

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