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Theory of Machine

Theory of Machine
A rotary internal combustion engine has __________ cylinders.

Seven
Six
Five
Four

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Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

Two directions only
None of the listed here
More than one direction
One direction only

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Same as the first one
Four times the first one
One fourth of the first one
One and a half times the first one

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Theory of Machine
A system in dynamic balance implies that

There will absolutely no wear of bearings
The system is also statically balanced
The system is critically damped
There is no critical speed in the system

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Theory of Machine
A foot step bearing and rotor of a vertical turbine form examples of

Successfully constrained motion
Partially constrained motion
Completely constrained motion
Incompletely constrained motion

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

625°K
650°K
700°K
600°K

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