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SSC JE ME Quiz_ Fluid Mechanics Booster Quiz-4

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Question 1

For laminar flow in a pipe, U_avg is equal to

Question 2

For a fluid having Prandtl number equal to unity, how are the hydrodynamic boundary layer thickness

, and the thermal boundary layer thickness

related?

Question 3

The pressure drop in a pipe flow is directly proportional to the mean velocity. It can be deduced that be

Question 4

Which one of the following statement is correct
Hydrodynamic entrance length for

Question 5

Newton’s law of viscosity depends upon the

Question 6

An error of 2% in measuring head over a weir will produce ______ error in discharge

Question 7

Velocity head is also known as______.

Question 8

Toothpaste is ________.

Question 9

The head of water required for Pelton wheel is

Question 10

Vertical distribution of velocity in an open channel for laminar flow can be assumed as

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Oct 31AE & JE Exams