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Theory of Machine

Theory of Machine
The example of higher pair is

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

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

90°
45°
135°
180°

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Theory of Machine
Sense of tangential acceleration of a link

Is opposite to that of velocity
Is perpendicular to that of velocity
Could be either same or opposite to velocity
Is same as that of velocity

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Theory of Machine
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by

ω sinθ/(n² - cos²θ)1/2
ω cosθ/(n² - cos²θ)1/2
ω sinθ/(n² - sin²θ)1/2
ω cosθ/(n² - sin²θ)1/2

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Theory of Machine
In a gear having involute teeth, the normal to the involute is a tangent to the

Addendum circle
Dedendum circle
Pitch circle
Base circle

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Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

All the belts
Broken belt
There is no need of changing any one as remaining belts can take care of transmission of load
Broken belt and its adjacent belts

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MORE MCQ ON Theory of Machine

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