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Theory of Machine

Theory of Machine
The periodic time is given by (where ω = Angular velocity of the particle in rad/s)

π/ω
ω × 2π
ω/2π
2π/ω

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Theory of Machine
A universal joint is an example of

Higher pair
Sliding pair
Rolling pair
Lower pair

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Theory of Machine
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

Maximum
Minimum
Zero
None of these

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

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

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Theory of Machine
Klein's construction is useful to determine

Angular acceleration of various parts
Displacement of various parts
Acceleration of various parts
Velocity of various parts

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and stern
To raise the stern and lower the bow
To raise the bow and lower the stern
To lower the bow and stern

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