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Theory of Machine

Theory of Machine
The lead screw of a lathe with nut forms a

Turning pair
Rolling pair
Sliding pair
Screw pair

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Theory of Machine
The critical speed of a shaft depends upon its

Stiffness and eccentricity
Mass and stiffness
Mass
Stiffness

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Theory of Machine
Critical damping is a function of

Damping coefficient and natural frequency
Mass and stiffness
Mass and natural frequency
Mass and damping coefficient

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Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

M/(m + M)
(m + M)/M
(m + M)/m
m/(m + M)

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Theory of Machine
The Bifilar suspension method is used to determine

Position of balancing weights
Moment of inertia
Centripetal acceleration
Natural frequency of vibration

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Theory of Machine
A Porter governor is a

Spring loaded governor
Pendulum type governor
Inertia governor
Dead weight governor

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MORE MCQ ON Theory of Machine

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