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Theory of Machine

Theory of Machine
A shaft carrying two rotors at its ends will have

Two nodes
No node
Three nodes
One node

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Theory of Machine
The Coriolis component of acceleration acts

Along the sliding surface
Parallel to the sliding surface
Perpendicular to the sliding surface
At 45° to the sliding surface

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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 /AB
vBA × AB
v²BA
vBA /AB

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Theory of Machine
Which of the below are inversions of slider crank mechanism?
1. Oscillating cylinder engine mechanism
2. Toggle mechanism
3. Radial cylinder engine mechanism
4. Quick return mechanism

1, 2 and 3
2, 3 and 4
1, 3 and 4
1, 2 and 4

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Theory of Machine
The frequency of oscillation of a compound pendulum is

(1/2π). √[gh/(kG² + h²)]
2π. √[(kG² + h²)/gh]
2π. √[gh/(kG² + h²)]
(1/2π). √[(kG² + h²)/gh]

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Theory of Machine
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

529.2 N-s/m
52.92 N-s/m
1.4 N-s/m
18.52 N-s/m

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