Fluid Flow

It is encountered when highly viscous fluids such as oils flow in small pipes or narrow passages. Is it laminar or turbulent? (Input your answer in small letters only)

The summation of the kinetic and potential energy is known as ___________. (Input your answer in all small letters only)

The summation of the elevation energy and pressure energy. (Input your answer in all small letters)

What type of pipe cross section, that can withstand large pressure differences without undergoing significant distortion? (small letters only)

We use pipes to convey, what kind of fluid? (small letters only)

We use ducts to convey, what kind of fluid? (small letter only)

The ratio of area of the jet at vena contracta, to the area of the orifice is known as the coefficient of ____________?

• coefficient of discharge

• coefficient of resistance

• coefficient of contraction

• coefficient of velocity

The ratio of head in the orifice to the head of water available at the exit of the orifice is known as the coefficient of _________?

• coefficient of velocity

• coefficient of resistance

• coefficient of discharge

• none

The ratio of maximum velocity to the average velocity of viscous fluid through a circular pipe is ___________?

• 2

• 0.5

• 0.75

• 1.25

An orifice is said to be a large orifice when ___________________.

• the cross section of orifice is not less than 10% of the cross section of the tank

• orifice can discharge fluid within 10 minute

• The head over the orifice is smaller than its vertical dimensions

• none