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Theory of Machine

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

1, 3
3, 1
2, 2
4, 0

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Theory of Machine
The example of rolling pair is

Lead screw of a lathe
Bolt and nut
Ball bearing and roller bearing
Ball and socket joint

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Theory of Machine
In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is

0°
90°
270°
180°

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Theory of Machine
The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is

Equal to 1
Equal to 2
Greater than 2
Less than 2

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Theory of Machine
For the same lift and same angle of ascent, a smaller base circle will give

A large value of pressure angle
There is no such relation with pressure angle
Something else
A small value of pressure angle

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

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

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MORE MCQ ON Theory of Machine

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