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Theory of Machine

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

4, 0
1, 3
2, 2
3, 1

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Theory of Machine
Typewriter constitutes

Machine
Structure
Mechanism
Inversion

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Theory of Machine
The following is the inversion of slider crank chain mechanism

Whitworth quick return mechanism
Hand pump
Oscillating cylinder engine
All of these

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and lower the stern
To lower the bow and stern
To raise the bow and stern
To raise the stern and lower the bow

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Theory of Machine
In higher pair, the relative motion is

Purely turning
Combination of sliding and turning
Purely rotary
Purely sliding

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Theory of Machine
The danger of breakage and vibration is maximum

None of these
Near the critical speed
Above the critical speed
Below the critical speed

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