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Theory of Machine

Theory of Machine
A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

2ωv
2ωv²
ω²v
ωv

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

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Theory of Machine
Module of a gear is

T/D
2T/D
D/T
2D/T

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Theory of Machine
The total number of instantaneous centers for a mechanism consisting of n links are

n(n - 1)/2
n
n - 1
n/2

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Theory of Machine
The behaviour of gases can be fully determined by

2 laws
4 laws
1 law
3 laws

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Theory of Machine
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from

80°- 90°
70°- 80°
60°-70°
50°- 60°

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