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Fluid Mechanics

Fluid Mechanics
Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as

V2
V2.7
V1.8
V-0.2

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Fluid Mechanics
What causes cavitation in centrifugal pump?

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

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Fluid Mechanics
Laminar flow is characterised by the nonexistence of

Pressure fluctuation
Eddies
Deviating velocities
All of these

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Fluid Mechanics
For an unstable equilibrium of a floating body (where, M = metacentre.)

None of these
M is below G
M & G coincide
M is above G

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Fluid Mechanics
For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).

None of these
V/Vmax = (x.r)1/7
V/Vmax = (x/r)1/7
V/Vmax = (r/x)1/7

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Fluid Mechanics
N²Re/NFr is called the __________ number.

Galileo
Euler
Brinkman
Archimedes

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MORE MCQ ON Fluid Mechanics

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