INTRO TO FLUID MECHANICS

One litre of water occupies a volume of

• 100 cm³

• 250 cm³

• 500 cm³

• 1000 cm³

All fluids are:

• gases

• liquids

• gases or liquids

• non-metallic

Which of the following statements is NOT correct?

• A fluid flows

• a fluid has a definite shape

• molecules of a fluid are free to move past each other

• a fluid changes it shape easily

A small shear force is applied on an element and then removed. If the element regains it’s original position, what kind of an element can it be?

• Solid

• Liquid

• Gaseous

• Fluid

If a person studies about a fluid which is at rest, what will you call his domain of study?

• Fluid Mechanics

• Fluid Statics

• Fluid Kinematics

• Fluid Dynamics

The amount of matter in an object is the object's:

• Mass

• Volume

• Density

• Area

The unit m³ is a unit of:

• Volume

• Mass

• Density

• Area

The density of water is ____ g/cm³.

• 1

• 10

• 100

• 1000

Melting a bar of gold causes the density of gold to....

• Increase

• Decrease

• Remain constant

• Reduce to one-half

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1,

• 4, 3, 1, 2