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Theory of Machine

Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Pentagon
Parallelogram
Triangle
Rectangle

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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
Which of the following mechanism is an approximate straight line motion mechanism?

Robert's mechanism
Grasshopper mechanism
All of these
Watt's mechanism

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Theory of Machine
The Coriolis component of acceleration exists whenever a point moves along a path that has

Gravitational acceleration
Rotational motion
Linear displacement
Tangential acceleration

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Theory of Machine
In a gear having involute teeth, the normal to the involute is a tangent to the

Addendum circle
Base circle
Dedendum circle
Pitch circle

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Theory of Machine
Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2]

I.ω².CS
I.ω.(ω₁ - ω₂)
2.E.CS
All of these

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