FLUID MECHANICS QUIZ

Which of the following produces maximum pressure difference for transportation of gases?

Compressors

Fans

Vaccum pumps

Blowers

TRUE ANSWER : ?
YOUR ANSWER : ?

The bulk modulus of elasticity of a liquid

Is independent of temperature & pressure

Increases with pressure

Is zero for incompressible liquid

Decreases with pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Prandtl mixing length is

A universal constant

None of these

Applicable to laminar flow problems

Zero at the pipe wall

TRUE ANSWER : ?
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A hydraulic ram acts as a/an __________ pump.

Reciprocating

Parallel cylinder

Impulse

Centrifugal

TRUE ANSWER : ?
YOUR ANSWER : ?

Cp/Cv is termed as

Weber number

Adiabatic constant

Prandtl number

Mach number

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YOUR ANSWER : ?

The normal stress is the same in all directions at a point in a fluid, when the fluid is

Having no motion of one fluid layer relative to the other

Non-viscous

Incompressible

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Reducer

Tee

Union

Elbow

TRUE ANSWER : ?
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For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

43832

>2

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Capillary tube method of viscosity measurement is based on the

None of these

Navier-stokes equation

Hagen-Poiseulle's equation

Stoke's law

TRUE ANSWER : ?
YOUR ANSWER : ?

Euler's equation of motion is a statement expressing

Conservation of mass

Newton's first law of motion

Newton's second law of motion

Conservation of energy

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YOUR ANSWER : ?

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