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Theory of Machine

Theory of Machine
The example of higher pair is

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

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Theory of Machine
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

a is +ve and b is also +ve
a is +ve and b is -ve
a = 0 and b is +ve
a is +ve and b = 0

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Theory of Machine
In a kinematic chain, a quaternary joint is equivalent to

Two binary joints
Three binary joints
One binary joint
Four binary joints

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Theory of Machine
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

Tip of both gear and pinion
Flanks of both gear and pinion
Tip of the gear tooth and flank of pinion
Tip of the pinion and flank of gear

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Theory of Machine
For an involute gear, the ratio of base circle radius and pitch circle radius is equal to

sinφ
cosφ
secφ
cosecφ

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Theory of Machine
A chain comprises of 5 links having 5 joints. Is it kinematic chain?

Data are insufficient to determine it
No
Yes
It is a marginal case

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MORE MCQ ON Theory of Machine

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