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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

V1.8
V-0.2
V2
V2.7

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Fluid Mechanics
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is

30
60
90
45

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Fluid Mechanics
Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is

5π/2
5√2π
10√2π
5π/√2

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Fluid Mechanics
What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air.

0.04πgH/3
0.01πgH/4
0.01πgH/8
4πg/3

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Fluid Mechanics
Euler's equation of motion is a statement expressing

Newton's first law of motion
Newton's second law of motion
Conservation of energy
Conservation of mass

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Fluid Mechanics
Reciprocating pumps compared to centrifugal pumps

Deliver liquid at uniform pressure
Can handle slurries more efficiently
Can be operated with delivery valve closed
Are not subject to air binding

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MORE MCQ ON Fluid Mechanics

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