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Theory of Machine

Theory of Machine
Which of the following has sliding motion?

Connecting rod
Cross-head
Crank
Crank pin

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

secφ
cosφ
cosecφ
sinφ

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Theory of Machine
The Coriolis component of acceleration is taken into account for

All of these
Slider crank mechanism
Quick return motion mechanism
Four bar chain mechanism

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Theory of Machine
The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

(R - r₁) (1 - cosθ)
(R - r₁) (1 - sinθ)
R (1 - cosθ)
R (1 - sinθ)

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Theory of Machine
An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

Pitch circle
Clearance circle
Addendum circle
Dedendum circle

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Theory of Machine
The Klein's diagram is used when

Crank has nonuniform angular velocity
Crank has uniform angular acceleration
Crank has nonuniform angular acceleration
Crank has uniform angular velocity

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