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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.

Remain same
Increases
Decreases
None of these

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Theory of Machine
If the pressure angle is __________, a reciprocating follower will jam in its bearings.

Too small
Small
Large
Too large

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

Less
Same
None of the listed here
More

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Structure
Machine
Inversion
Mechanism

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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
I₂/G
I₂/G²
G.I₂

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

650°K
600°K
625°K
700°K

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