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Fluid Mechanics

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 unit of velocity head is

ft-lbf/lb
ft-lb/sec
ft-lb/ft³
ft-lbf/sec

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Fluid Mechanics
In power law, ζ = A (du/dy)² + B , then the fluid is

Dilatant
Thixotropic
Newtonian
Rheopectic

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Fluid Mechanics
Ratio of inertial forces to surface tension forces is called the __________ number.

Euler
Froude
Mach
Weber

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Fluid Mechanics
The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)

x
πx
2x
x/2

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

Multistage centrifugal
Diaphragm
Gear
Reciprocating

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MORE MCQ ON Fluid Mechanics

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