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Theory of Machine

Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Eight times
Four times
Two times
Sixteen times

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Theory of Machine
A point on a link connecting double slider crank chain traces a

Parabola
Ellipse
Hyperbola
Circle

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Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

12
25
16
32

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Theory of Machine
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

None of these
Radial component
Coriolis component
Tangential component

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Theory of Machine
The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)

(ω₁ + ω₂) y
(ω₁ + ω₂)/y
(ω₁ × ω₂) y
(ω₁/ω₂) y

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Theory of Machine
The Klein's diagram is used when

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

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