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Theory of Machine

Theory of Machine
Which gear is used for connecting two coplanar and intersecting shafts?

Spur gear
Helical gear
Bevel gear
None of these

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

10°-15°
25°-30°
30°-40°
15°-25°

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Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

Not exist
Exist
None of these
Depend on position of crank

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Theory of Machine
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Turning pair
Spherical pair
Sliding pair
Rolling pair

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Theory of Machine
Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2]

All of these
2.E.CS
I.ω.(ω₁ - ω₂)
I.ω².CS

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Theory of Machine
________ is an inversion of Double slider crank chain.

Hand pump
Coupling rod of a locomotive
Scotch yoke mechanism
Reciprocating engine

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