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Theory of Machine

Theory of Machine
When a ship travels in a sea, which of the effect is more dangerous

Pitching
Steering
All of these
Rolling

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Theory of Machine
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

Inner edge
Outer edge
None of these
Corners

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Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₁.D₂
D₁
D₂/D₁
D₁/D₂

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Outer circle
Pitch circle
Prime circle
Base circle

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Theory of Machine
The number of centers in a crank driven slider crank mechanism is

4
2
6

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

ω² r {(n + 1)/n}
ω² r {n/(n + 1)}
ω² r {n/(n - 1)}
ω² r {(n - 1)/n}

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