ECW341 Water Engineering Diagnostic Test

What is the unit of Density?

• kg/m³

• m²/s

• Pa·s (or N·s/m²)

• N/m³

• dimensionless

What is the formula for calculating Kinematic Density?

• density/dynamic viscosity

• volume/mass

• dynamic viscosity/density

• dynamic viscosity -density

How to calculate specific gravity of liquid?

• shear stress/rate of shear strain

• density of substance/density of water

• weight/volume

• dynamic viscosity/density

What is viscosity?

• A liquid's resistance to flow.
• a liquids flow.
• a liquid
• gas to solid.

What is Specific Weight?

• The weight per unit area of a substance

• The mass per unit volume of a substance.

• The weight per unit volume of a substance.

• The density of a substance relative to water.