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Theory of Machine

Theory of Machine
The example of higher pair is

All of these
Gears, cams
Ball and roller bearings
Belt, rope and chain drives

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Theory of Machine
In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is

Greater than 2
Equal to 1
Less than 2
Equal to 2

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Theory of Machine
In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as

Hammer blow
Tractive force
None of these
Swaying couple

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Theory of Machine
An automobile steering gear is an example of

Rolling pair
Higher pair
Lower pair
Sliding pair

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Theory of Machine
A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by (where μ = tan φ = Coefficient of friction between the plane and the body)

P = W (sin α + μ cos α)
P = W (cos α + μ sin α)
P = W tan (α + φ)
P = W tan α

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Theory of Machine
The locus of a point on a thread unwound from a cylinder will be

Cycloidal
A straight line
A circle
Involute

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