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Theory of Machine

Theory of Machine
Which of the following mechanism is obtained from lower pair?

All of these
Gyroscope
Pantograph
Valve and valve gears

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

None of these
Same
Less
More

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Theory of Machine
The following is the inversion of slider crank chain mechanism

Hand pump
Whitworth quick return mechanism
All of these
Oscillating cylinder engine

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Theory of Machine
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

0, 0
0, and more than co2r
cor, 0
0, and less than coV

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Theory of Machine
If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to

l + 1
l
l - 2
l - 1

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

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

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