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Theory of Machine

Theory of Machine
The example of higher pair is

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

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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
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

At the centre of circle
At the centre of curvature
At the pin joint
On their point of contact

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

None of these
Radial component
Tangential component
Coriolis component

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Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Maximum and zero
Minimum and maximum
Zero and minimum
Zero and maximum

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Theory of Machine
The cam and follower is an example of

Lower pair
Sliding pair
Rolling pair
Higher pair

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MORE MCQ ON Theory of Machine

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