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Theory of Machine

Theory of Machine
The example of higher pair is

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

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Theory of Machine
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

Spur gearing
Helical gearing
Spiral gearing
Bevel gearing

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

¾μWR
²/₃ μWR
μwr
½μWR

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Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

(1/2). I ω ωP
I ω ωP
(1/2).Iω²
Iω²

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Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

One direction only
More than one direction
Two directions only
None of the listed here

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Theory of Machine
To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use?

Bevel gear
Spiral gear
Worm gear
Spur gear

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MORE MCQ ON Theory of Machine

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