FLUID MECHANICS QUIZ

The __________ pressure is measured by a static tube.

Static

Dynamic

None of these

Total

TRUE ANSWER : ?
YOUR ANSWER : ?

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

Non-Newtonion

Newtonion

Incompressible

Ideal

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Plunger pumps are used for

Viscous mass

Higher pressure

None of these

Slurries

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YOUR ANSWER : ?

Reciprocating pumps compared to centrifugal pumps

Can handle slurries more efficiently

Can be operated with delivery valve closed

Deliver liquid at uniform pressure

Are not subject to air binding

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The Stoke's stream function applies to the

Ideal/non-viscous fluids only

Cases of axial symmetry

Irrotational flow only

None of these

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Vane anemometer

Is an area meter

Is a variable head meter

Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed

None of these

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YOUR ANSWER : ?

In case of supersonic flow of a fluid through pipeline, the 'Mach number' is

< 1

1

> 1

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YOUR ANSWER : ?

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

1.5 Vavg

Vavg

1.2 Vavg

1.8 Vavg

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YOUR ANSWER : ?

Which of the following is used for very accurate measurement of flow of gas at low velocity?

Hot wire annemometer

Segmental orificemeter

Rotameter

Pitot tube

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Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.)

d1/3

d2

d2/3

√d

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YOUR ANSWER : ?

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