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Theory of Machine

Theory of Machine
Ackermann steering gear consists of

Higher pairs
Rolling pairs
Sliding pairs
Turning pairs

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Theory of Machine
The sense of Coriolis component is such that it

Leads the sliding velocity vector by 90°
Lags the sliding velocity vector by 90°
Leads the sliding velocity vector by 180°
Is along the sliding velocity vector

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Theory of Machine
In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be

Less sensitive
Isochronous
Unaffected of sensitivity
More sensitive

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

r/2πk. √(g/l)
2πr/k. √(g/l)
r/2πk. √(l/g)
2πk/r. √(g/l)

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Theory of Machine
Idler pulley is used

All of the listed here
For increasing velocity ratio
For applying tension
For changing the direction of motion of the belt

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Theory of Machine
If two moving elements have surface contact in motion, such pair is known as

Sliding pair
Rolling pair
Higher pair
Surface pair

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