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Fluid Mechanics

Fluid Mechanics
Slurries can be most conveniently pumped by a __________ pump.

Screw
Reciprocating
Gear
Centrifugal

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Fluid Mechanics
As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)

1/μ
1/μ²
μ
μ²

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

Euler
Weber
Mach
Reynolds

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Fluid Mechanics
In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)

1.2 Vavg
Vavg
1.8 Vavg
1.5 Vavg

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Fluid Mechanics
Unit of mass velocity is

Kg/m². hr
Kg/hr
Kg/m³. hr
Kg/m²

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Fluid Mechanics
Choose the set of pressure intensities that are equivalent.

4.33 psi, 10 ft. of water, 20.7 inches of Hg
10 psi, 19.7 ft. of water, 23.3 inches of Hg
10 psi, 19.7 ft. of water, 5.3 inches of Hg
4.33 psi, 10 ft. of water, 8.83 inches of Hg

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