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Theory of Machine

Theory of Machine
A universal joint is an example of

Rolling pair
Sliding pair
Higher pair
Lower pair

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Theory of Machine
Angular acceleration of a link can be determined by dividing the

Centripetal component of acceleration with length of link
Tangential component of acceleration with length of link
Resultant acceleration with length of link
All of these

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Theory of Machine
Length of arc of contact is given by

Arc of approach + Arc of recess
Arc of approach × Arc of recess
Arc of approach / Arc of recess
Arc of approach - Arc of recess

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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/sin β
μ₁ = μ cos β

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Pitch circle
Prime circle
Outer circle
Base circle

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Theory of Machine
The number of links and instantaneous centers in a reciprocating engine mechanism are

4, 5
5, 4
4, 6
4, 4

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