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Theory of Machine

Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

45°
90°
135°
180°

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Theory of Machine
For a kinematic chain to be considered as mechanism

None of the links should be fixed
One link should be fixed
Two links should be fixed
There is no such criterion

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Theory of Machine
The length of a simple pendulum which gives the same frequency as the compound pendulum, is

(kG² + l₁²)/ l₁
(kG + l₁²)/ l₁
kG + l₁
kG² + l₁

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Theory of Machine
The example of lower pair is

Shaft revolving in a bearing
All of these
Straight line motion mechanisms
Automobile steering gear

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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
Transmission angle is the angle between

Input link and fixed link
Input link and coupler
Output link and coupler
Output link and fixed link

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MORE MCQ ON Theory of Machine

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