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Fluid Mechanics

Fluid Mechanics
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

0.44
44
4.4
0.044

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Fluid Mechanics
Boiler feed water pump is usually a __________ pump.

Multistage centrifugal
Gear
Diaphragm
Reciprocating

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Fluid Mechanics
The simple pitot tube measures the __________ pressure.

Dynamic
Static
None of these
Total

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Fluid Mechanics
What causes cavitation in centrifugal pump?

High suction velocity
Low barometric pressure
High suction pressure
Low suction pressure

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Fluid Mechanics
The ratio of actual discharge to theoretical discharge through an orifice is equal to

Cv . Cd
Cd/Cv
Cc . Cv
Cc . Cd

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Fluid Mechanics
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.

None of these
Transition
Prandtl mixing
Equivalent

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