STAR Science

.433 psig is equal to how high of a water column?

• a. l'
• b. 2'
• c. 3'
• d. 4'

One cubic foot of water weighs?

• a. 40 pounds
• b. 62.4 pounds
• c. 144 pounds
• d. 231 pounds

Standard atmospheric pressure at sea level is

• a. 0 psia
• b. .491 psia
• c psia. 2.31
• d. 14.7 psia

One gallon of water weighs

• a. 1 pound
• b. 2.31 pounds
• c. 8.33 pounds
• d. 10.6 pounds

An increase in pressure will cause the boiling point of water to

• a. Increase
• b. Decrease
• c. Remain the same
• d. Expand

When a solid expands, its density

• a. increases.
• b. decreases.
• c. first decreases, then increases.
• d. remains the same.

The tensile strength of stainless steel pipe is measured in units of

• a. pounds.
• b. pounds per square inch
• c. pounds per square foot
• d. foot-pounds.

Malleability is the property of metal that allows it to be

• a. heated without losing strength.
• b. stretched without breaking or cracking.
• c. compatible with another metal.
• d. hammered or rolled without separation of molecules.

An example of a physical change of state of a substance would be

• a. rusting of a pipe.
• b. ice melting to water.
• c. detonation of TNT.
• d. driving gold from Washington to Oregon.

A substance that has a definite volume but no definite shape is called a

• a. ice.
• b. metal.
• c. solid.
• d. fluid.