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Theory of Machine

Theory of Machine
In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.

None of these
Equal to
Greater than
Less than

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Theory of Machine
The number of links and instantaneous centers in a reciprocating engine mechanism are

5, 4
4, 5
4, 6
4, 4

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Theory of Machine
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

sinβ
secβ
cosβ
cosecβ

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Theory of Machine
The maximum value of the pressure angle in case of cam is kept as

20°
14°
10°
30°

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Theory of Machine
Pulley in a belt drive acts as

Sliding pair
Turning pair
Cylindrical pair
Rolling pair

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Theory of Machine
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring)

1/2π. √(δ/g)
2π. √(g/δ)
1/2π. √(g/δ)
2π. √(δ/g)

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