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Theory of Machine

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

15°-25°
30°-40°
25°-30°
10°-15°

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Theory of Machine
In its simplest form, a cam mechanism consists of following number of links

3
4
1
2

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

Outer dead centre
Inner dead centre
All of the listed here
Right angles to the link of the stroke

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Theory of Machine
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

(1 - c).m.ω².r (cosθ - sinθ)
m.ω².r (cosθ - sinθ)
m.ω².r sinθ
m.ω².r cosθ

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Theory of Machine
Which of the following is a spring controlled governor?

All of these
Wilson-Hartnell governor
Hartung governor
Hartnell governor

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Theory of Machine
In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.

Greater than
Less than
Equal to
None of these

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