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Theory of Machine

Theory of Machine
If two moving elements have surface contact in motion, such pair is known as

Surface pair
Sliding pair
Rolling pair
Higher pair

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Theory of Machine
The relative velocity of B with respect to A in a rigid link AB is

Perpendicular to AB
Along AB
At 45° to AB
Parallel to AB

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Theory of Machine
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)

(r/2) cosφ
r sinφ
r tanφ
r cosφ

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Theory of Machine
When a body is subjected to transverse vibrations, the stress induced in a body will be

Shear stress
Bending stress
Tensile stress
Compressive stress

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

Pentagon
Triangle
Rectangle
Parallelogram

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Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

One-half
Two-third
1/n times
n times

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MORE MCQ ON Theory of Machine

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