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Fluid Mechanics

Fluid Mechanics
Toothpaste is a

Bingham plastic
Newtonion liquid
Pseudoplastic
Dilatent

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Fluid Mechanics
Drag force acting on a body does not depend upon the

Projected area of the body
Density of the body
Density of the fluid
Velocity of the body

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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.

Prandtl mixing
Equivalent
None of these
Transition

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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
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)

0.1
10
1
0.01

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Fluid Mechanics
The ratio of pressure forces to inertial forces is called the __________ number.

Euler
Reynold
Mach
Froude

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MORE MCQ ON Fluid Mechanics

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