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Theory of Machine

Theory of Machine
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

1
-1
2

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Theory of Machine
With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

40°
30°
10°
20°

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Theory of Machine
The Klein's diagram is used when

Crank has uniform angular velocity
Crank has nonuniform angular acceleration
Crank has uniform angular acceleration
Crank has nonuniform angular velocity

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Theory of Machine
Which type of gear train is used in clock mechanism to join hour hand and minute hand?

Epicyclic gear train
Compound gear train
Reverted gear train
Simple gear train

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Theory of Machine
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

Tip of the pinion and flank of gear
Tip of the gear tooth and flank of pinion
Tip of both gear and pinion
Flanks of both gear and pinion

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Theory of Machine
In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

(S₁ - S₂) / 2h
(S₁ - S₂) / h
(S₁ + S₂) / h
(S₁ + S₂) / 2h

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