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Theory of Machine

Theory of Machine
A pulley and belt in a belt drive form a

Sliding pair
Cylindrical pair
Turning pair
Rolling pair

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Theory of Machine
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

At the centre of curvature
At the centre of circle
At the pin joint
On their point of contact

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Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

m₁ m₂ = r₁ r₂
m₁ r₁ = m₂ r₂
m₁ r₂ = m₂ r₁
None of these

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Theory of Machine
Cam size depends upon

Outer circle
Prime circle
Base circle
Pitch circle

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Theory of Machine
The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is

Perpendicular to PO
At 45° to PO
Along PO
None of the listed here

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

20°
10°
14°
30°

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MORE MCQ ON Theory of Machine

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