PIPE Fluid Mechanics Pt.5

The presence of a minor loss in the energy grade line with cause the line to slope ___.

• down in the direction of the flow

• upward in the direction of the flow

• vertically downward

• there is no effect of friction on the energy grade line

What do you call the pressure which the fluid exerts on an immersed object or container walls?

• normal pressure

• standard liquid pressure

• hydrostatic pressure

• gage pressure

Viscosity for a fluid is defined as the constant of proportionality between shear stress and what other variable?

• the spatial derivative of velocity

• the time derivative of pressure

• the time derivative of density

• the spatial derivative of density

What is the classification of the fluid flow if the fluid travels parallel to the adjacent layers and the parts of the individual particles do not cross each other?

• steady flow

• uniform flow

• laminar flow

• turbulent flow

Which of the following refers to the measure of a fluid's sensitivity to changes in viscosity with changes in temperature?

• viscosity index

• viscosity ratio

• coefficient of viscosity

• viscosity factor

If the Mach number is greater than 1 but lesser than 5, what is the standard classification of the travel?

• transonic travel

• hypersonic travel

• subsonic travel

• supersonic travel

What is measured by a Pitot tube?

• volumetric discharge

• pressure

• mass flow

• velocity

What is the difference between the energy grade line and the hydraulic grade line?

• potential energy

• kinetic energy

• pressure energy

• friction losses

Kinetic energy is not neglected in calculations of ___.

• high speed flow

• steady flow

• low speed flow

• equilibrium flow

Discharge losses through orifice are due to ___.

• friction losses

• minor losses

• both friction and minor losses

• pressure losses