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Theory of Machine

Theory of Machine
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Rolling
Turning
Screw
Sliding

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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

60°-70°
50°- 60°
70°- 80°
80°- 90°

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Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

None of these
Governor B is more sensitive than governor A
Governor A is more sensitive than governor B
Both governors A and B are equally sensitive

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Theory of Machine
In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed

Hartung governor
Pickering governor
Wilson Hartnell governor
Inertia governor

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Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Pentagon
Rectangle
Triangle
Parallelogram

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Theory of Machine
The method of direct and reverse cranks is used in engines for

Balancing of forces and couples
Vibration analysis
The control of speed fluctuations
Kinematic analysis

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