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Theory of Machine

Theory of Machine
A mechanism _________ for transmitting or transforming motion.

Can be used
Can not be used
Unpredictable
None of these

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Theory of Machine
The length of a simple pendulum which gives the same frequency as the compound pendulum, is

kG² + l₁
(kG + l₁²)/ l₁
kG + l₁
(kG² + l₁²)/ l₁

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Theory of Machine
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of

3.0 mm
2.22 mm
2 mm
2.50 mm

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

90°
180°
45°
135°

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Theory of Machine
When two links are connected by a pin joint, their instantaneous center lies

At the center of curvature
At the center of circle
At the pin joint
On their point of contact

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Theory of Machine
The swaying couple is due to the

Secondary unbalanced force
Primary unbalanced force
Two cylinders of locomotive
Partial balancing

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