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Theory of Machine

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

Exist
Depend on position of crank
None of these
Not exist

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Theory of Machine
The factor which affects the critical speed of a shaft is

Span of shaft
Diameter of disc
All of the listed here
Eccentricity

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Theory of Machine
Rectilinear motion of piston is converted into rotary by

Cross head
Gudgeon pin
Slider crank
Connecting rod

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Theory of Machine
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

1/2π × √(g/δ)
0.4985/√δ
1/2π × √(s/m)
Any one of the listed here

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Theory of Machine
If the pressure angle is __________, a reciprocating follower will jam in its bearings.

Too small
Large
Too large
Small

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Theory of Machine
A system in dynamic balance implies that

The system is critically damped
The system is also statically balanced
There will absolutely no wear of bearings
There is no critical speed in the system

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