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Theory of Machine

Theory of Machine
Ackermann steering gear consists of

Higher pairs
Rolling pairs
Sliding pairs
Turning pairs

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Theory of Machine
Which gear train is used for higher velocity ratios in a small space?

Simple gear train
Compound gear train
Epicyclic gear train
Reverted gear train

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Theory of Machine
A kinematic chain requires at least

5 links and 4 turning pairs
4 links and 4 turning pairs
2 links and 3 turning pairs
3 links and 4 turning pairs

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Theory of Machine
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

[(r + R) sinφ]/2
[(r² + R²) cosφ]/2
[(r + R) cosφ]/2
[(r² + R²) sinφ]/2

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

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

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Theory of Machine
The example of lower pair is

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

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MORE MCQ ON Theory of Machine

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