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Fluid Mechanics

Fluid Mechanics
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around

10
100
2000
1000

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Fluid Mechanics
In magnetic flow meters, voltage generation is

Both A and B
Due to the motion of conducting fluid through an externally generated uniform field
Proportional to the fluid velocity
Neither A nor B

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Fluid Mechanics
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.

Dilatent
Pseudoplastic
Newtonion
Bingham plastic

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Fluid Mechanics
Delivery of insufficient quantity of liquid by a pump may be caused by

Low rpm
Air leak in the inlet
All of these
Too high a lift

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Fluid Mechanics
Cd is always __________ Cc.

Either more or less than
Greater than
Less than
Equal to

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Fluid Mechanics
Laminar flow is characterised by the nonexistence of

All of these
Pressure fluctuation
Eddies
Deviating velocities

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MORE MCQ ON Fluid Mechanics

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