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Theory of Machine

Theory of Machine
A point on a link connecting double slider crank chain traces a

Hyperbola
Parabola
Ellipse
Circle

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

14°
30°
20°
10°

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Theory of Machine
In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by

μ₁ = μ/cos β
μ₁ = μ sin β
μ₁ = μ cos β
μ₁ = μ/sin β

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

Decreases
Increases
None of these
Remain same

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Theory of Machine
A shaft carrying two rotors at its ends will have

Two nodes
One node
Three nodes
No node

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Theory of Machine
A kinematic chain requires at least

5 links and 4 turning pairs
4 links and 4 turning pairs
3 links and 4 turning pairs
2 links and 3 turning pairs

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