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Theory of Machine

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

Six
Four
Seven
Five

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

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

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Theory of Machine
The minimum force required to slide a body of weight W on a rough horizontal plane is

W cosθ
W cosecθ
W tanθ
W sinθ

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

None of the listed here
Coefficient of fluctuation of energy
Maximum fluctuation of energy
Fluctuation of energy

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Theory of Machine
In order to balance the reciprocating masses,

Secondary forces and couples must be balanced
None of these
Primary forces and couples must be balanced
Both (A) and (B)

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Theory of Machine
Two systems shall be dynamically equivalent when

The mass of two are same
G. of two coincides
M.I. of two about an axis through e.g. is equal
All of these

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