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Theory of Machine

Theory of Machine
The velocity of the rubbing surface __________ with the distance from the axis of the bearing.

None of these
Increases
Remain same
Decreases

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Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

G².I₂
G.I₂
I₂/G
I₂/G²

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Theory of Machine
The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension.

Double
One-third
Two-third
Three times

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Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

32
16
25
12

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Theory of Machine
Shaft revolving in a bearing is the following type of pair

Spherical pair
Lower pair
Higher pair
Cylindrical pair

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Theory of Machine
________ is an inversion of Double slider crank chain.

Scotch yoke mechanism
Reciprocating engine
Hand pump
Coupling rod of a locomotive

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