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Theory of Machine

Theory of Machine
The Hooke's joint consists of:

Three forks
One fork
Two forks
Four forks

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Theory of Machine
In a multiple V-belt drive, if one of the belts is broken, then we should replace

None of these
The broken belt and the belts on either side of it
The broken belt only
All the belts

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Theory of Machine
The flank of the tooth is the surface of the tooth __________ the pitch surface.

Below
Above
At
None of these

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Theory of Machine
A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

6,000 r.p.m.
9,360 r.p.m.
12,000 r.p.m.
5,367 r.p.m.

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Theory of Machine
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Tractive force
Hammer blow
Swaying couple
None of these

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Theory of Machine
The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

9/128
30195
44082
44090

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