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# BPSC AE (ME) Quiz - 3

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Question 1

Surface tension ________.

Question 2

Atmospheric pressure is 101.325 kPa. Height of water column from the mean sea level which is equivalent to an absolute pressure of 140 kPa is _______.

Question 3

Question 4

The sum of pressure head and elevation head is known as __________.

Question 5

In a Hagen - Poiseuille fluid flow in pipe, the maximum velocity is 1 m/sec then the average velocity is_____.

Question 6

The hydrodynamic boundary layer thickness is defined as the distance from the surface where the _________.

Question 7

Why is multi-staging in centrifugal pumps used

Question 8

Considering standard fluid as mercury and water as normal fluid then the ratio of the density of water to the density of mercury is equal to

a.Relative density

b.Specific gravity

Question 9

The top surface of a vertical rectangular gate, with 16 m width and 12 m height, and the upper surface of height coincides with the free water surface. The depth of the centre of pressure is

Question 10

Given the discharge passing between the stream lines through the point (1, 3) and (3, 3) is.
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