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Theory of Machine

Theory of Machine
A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

ωv
2ωv²
2ωv
ω²v

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Theory of Machine
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Rectangle
Triangle
Straight line
Parabolic curve

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

All of these
Elliptical trammel
Scotch yoke mechanism
Double slider crank chain

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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

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

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Theory of Machine
The swaying couple is due to the

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

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Theory of Machine
If the damping factor for a vibrating system is unity, then the system will be

Over damped
Under damped
Without vibrations
Critically damped

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