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Theory of Machine

Theory of Machine
The example of higher pair is

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

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Theory of Machine
In a ball bearing, ball and bearing forms a

Spherical pair
Rolling pair
Screw pair
Turning pair

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Theory of Machine
The Bifilar suspension method is used to determine

Moment of inertia
Natural frequency of vibration
Centripetal acceleration
Position of balancing weights

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Theory of Machine
The minimum force required to slide a body of weight W on a rough horizontal plane is

W cosecθ
W cosθ
W sinθ
W tanθ

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Theory of Machine
A ball and a socket forms a

Screw pair
Turning pair
Rolling pair
Spherical pair

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Theory of Machine
When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be

ω²r. n/(n + 1)
ω²r. n/(n - 1)
ω²r. (n + 1)/n
ω²r. (n - 1)/n

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