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Theory of Machine

Theory of Machine
In S.H.M., the velocity vector w.r.t. displacement vector

Lags by 90°
Leads by 180°
Are in phase
Leads by 90°

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Theory of Machine
Flexible coupling is used because

It prevents shock transmission and eliminates stress reversals
It transmits shocks gradually
It is easy to engage and disengage
It is easy to disassemble

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Theory of Machine
The flank of the tooth is the surface of the tooth __________ the pitch surface.

Above
None of these
Below
At

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Theory of Machine
To connect two parallel and coplanar shafts the following type of gearing is used

None of the listed here
Bevel gear
Spur gear
Spiral gear

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Theory of Machine
The Ackermann steering mechanism is preferred to the Davis type in automobiles because

The former is most rigid
The former is mathematically accurate
The former is most economical
The former is having turning pair

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Theory of Machine
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

None of these
Hammer blow
Swaying couple
Tractive force

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