Fluid Mechanics MCQs

Rate of velocity of liquid supply

Rate of flow through delivery pipeline of a pump

Intensity of pressure of the liquid

Momentum rate through delivery pipe

2xy/(x+y)

xy/(x+y)

(x+y)/2xy

(x+y)/xy

Copper

Tungsten

Chromium

Aluminium

Less than

More than

Equal to

Not related to

Greater than

Less than

Equal to

Either more or less than

Smoothens the flow by avoiding pulsations

Increases the volumetric efficiency of the pump

Saves the pump from the danger of cavitation

None of these

Diaphragm

Reciprocating

Gear

Centrifugal

1

10

30

50

Rotameter

Pitot tube

V-notch

All of the above

2 to 5

7 to 15

15 to 25

>25