FLUID MECHANICS QUIZ

Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the

Pipe length

Time taken to close the valve

All of these

Fluid velocity in the pipe

TRUE ANSWER : ?
YOUR ANSWER : ?

The __________ pressure is measured by a static tube.

Total

None of these

Static

Dynamic

TRUE ANSWER : ?
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The unit of dynamic viscosity in SI unit is

N/m²

m² /sec

m/N. sec

kg/m . sec

TRUE ANSWER : ?
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Multistage compressors are used in industry, because they

Resemble closely to isothermal compression

Are easy to control

Reduce the cost of compressor

Reduce the size requirement

TRUE ANSWER : ?
YOUR ANSWER : ?

Unsteady uniform flow is represented by flow through a/an

Expanding tube at constant rate

Long pipe at constant rate

Expanding tube at increasing rate

Long pipe at decreasing rate

TRUE ANSWER : ?
YOUR ANSWER : ?

Lower BWG means __________ of the tube.

Inner diameter

Lower thickness

Outer diameter

Lower cross-section

TRUE ANSWER : ?
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Terminal velocity is

A constant velocity with no acceleration

None of these

Attained after moving one-half of total distance

A fluctuating velocity

TRUE ANSWER : ?
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Unit of mass velocity is

Kg/m²

Kg/m². hr

Kg/m³. hr

Kg/hr

TRUE ANSWER : ?
YOUR ANSWER : ?

Dimension of kinematic viscosity is

MLT⁻¹

L² . T⁻¹

L²T

L² . T⁻²

TRUE ANSWER : ?
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The ratio of actual discharge to theoretical discharge through an orifice is equal to

Cv . Cd

Cc . Cd

Cd/Cv

Cc . Cv

TRUE ANSWER : ?
YOUR ANSWER : ?

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