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Theory of Machine

Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L
L + 1
L - 1
L + 2

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Theory of Machine
The velocity of a body moving with simple harmonic motion is __________ at the mean position.

Minimum
Zero
Maximum
None of these

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Theory of Machine
Flexible coupling is used because

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

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Theory of Machine
The frequency of oscillation of a compound pendulum is

2π. √[(kG² + h²)/gh]
(1/2π). √[gh/(kG² + h²)]
2π. √[gh/(kG² + h²)]
(1/2π). √[(kG² + h²)/gh]

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

625°K
600°K
650°K
700°K

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Pitch circle
Prime circle
Base circle
Outer circle

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MORE MCQ ON Theory of Machine

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