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Theory of Machine

Theory of Machine
Rectilinear motion of piston is converted into rotary by

Gudgeon pin
Connecting rod
Slider crank
Cross head

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Theory of Machine
The angle of inclination of the plane, at which the body begins to move down the plane is called

None of these
Angle of friction
Angle of projection
Angle of repose

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Theory of Machine
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

(ω₁ - ω₂)r
(ω₁ - ω₂)2r
ω₁.ω₂.r
(ω₁ + ω₂)r

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Fluctuation of energy
Maximum fluctuation of energy
None of the listed here
Coefficient of fluctuation of energy

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

Spherical pair
Turning pair
Rolling pair
Screw pair

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Theory of Machine
Which of the following is an inversion of Single slider crank chain?

Elliptical trammel
Oldham’s coupling
Rotary engine
Beam engine

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