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Theory of Machine

Theory of Machine
In S.H.M., acceleration is proportional to

Rate of change of velocity
Velocity
All of these
Displacement

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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
m.ω².r sinθ
m.ω².r (cosθ - sinθ)

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Theory of Machine
TJIE horse power transmitted by a belt is dependent upon

Tension on slack side of belt
All of these
Tension on tight side of belt
Radius of pulley

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Theory of Machine
Pulley in a belt drive acts as

Sliding pair
Cylindrical pair
Turning pair
Rolling pair

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Theory of Machine
Which of the following mechanisms produces mathematically an exact straight line motion?

Grasshopper mechanism
Tchebicheff mechanism
Watt mechanism
Peaucellier's mechanism

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Theory of Machine
The lead screw of a lathe with nut forms a

Rolling pair
Turning pair
Screw pair
Sliding pair

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