WorksheetsFLUIDS
Total questions: 10
Worksheet time: 8mins
Which of the following statements in NOT correct?
Solids can be subjected to shear stresses.
Fluids display the property of flow.
Forces act on a fluid in the same way they act on a solid.
The term fluid therefore includes liquids and gas.
The term fluids generally applies to:
solid and liquid
liquid and gas
solid and plasma
water only
Which statements below is INCORRECT about liquids and gases?
Liquids possess greater kinetic energy than gases.
Gases have weak molecular force of attraction while liquids have a moderate force of attraction.
Liquids have a definite size where gases can expand to fill any closed container.
Gases are easily compressed where liquids are not.
It is a sub-discipline of fluid mechanics that describes the flow of fluids.
Fluid Mechanics
Fluid Dynamics
Hydrostatics
Fluid statics
What are the two examples of normal stress?
shear stress and tangential stress
compressive and tensile stress
shear stress and compressive stress
pressure and compressive stress
Which of the following best describes shear stress?
It is an example of a normal stress.
It acts inward, toward the surface, and perpendicular to the surface.
It acts along the surface, parallel to the surface.
It is force per unit mass, acting parallel to an infinitesimal surface element.
What type/s of stress can act on a fluid in motion?
normal and tangential stress
normal stress only
shear stress only
tensile stress and shear stress
A fluid at rest can resist a shear stress.
TRUE
FALSE
The fluid on which the net force is zero is considered as static.
TRUE
FALSE
A fluid is a substance which deforms continuously under the application of a __________.
shear stress
compressive stress
tensile stress
normal stress
