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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 - 1
L + 2
L
L + 1

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Theory of Machine
The Scott-Russell mechanism consists of

Sliding and rotary pairs
Sliding and turning pairs
Turning and rotary pairs
Sliding pairs only

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Theory of Machine
The brake commonly used in railway trains is

Shoe brake
Band and block brake
Band brake
Internal expanding brake

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Theory of Machine
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)

r sinφ
r cosφ
r tanφ
(r/2) cosφ

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Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

Depend on position of crank
None of these
Exist
Not exist

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Theory of Machine
A mechanism consisting of four links is called a __________ mechanism.

Simple
Binary
Compound
None of these

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