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Fluid Mechanics

Fluid Mechanics
Cp/Cv is termed as

Prandtl number
Adiabatic constant
Weber number
Mach number

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Fluid Mechanics
The unit of velocity head is

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

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Fluid Mechanics
Reciprocating pumps compared to centrifugal pumps

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

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Fluid Mechanics
The bulk modulus of elasticity of a liquid

Increases with pressure
Decreases with pressure
Is zero for incompressible liquid
Is independent of temperature & pressure

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Fluid Mechanics
In an incompressible flow of fluid, the fluid

Temperature remains constant
Density does not change with pressure & temperature
Compressibility is greater than zero
Is frictionless

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Fluid Mechanics
The terminal velocity of a small sphere settling in a viscous fluid varies as the

Inverse of the fluid viscosity
Inverse square of the diameter
Square of the difference in specific weights of solid & fluid
First power of its dimeter

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MORE MCQ ON Fluid Mechanics

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