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Theory of Machine

Theory of Machine
Ackermann steering gear consists of

Higher pairs
Sliding pairs
Rolling pairs
Turning pairs

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Theory of Machine
The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be

Over-damped
Under damped
Critically damped
Without vibrations

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

v²BA
vBA × AB
vBA /AB
v²BA /AB

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Theory of Machine
The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

c/(m - M) g
c (m + M) g
c/(m + M) g
c (m - M) g

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Theory of Machine
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

None of these
Zero
Maximum
Minimum

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Theory of Machine
The moment on the pulley which produces rotation is called

Inertia
Torque
Momentum
Moment of momentum

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