If It Is Possible to Make a Change That Will

question 78

Multiple Choice

If it is possible to make a change that will help some people without harming others, then the situation is:

• A)efficient.
• B)inefficient.
• C)fair.
• D)unfair.

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Definitions:

Perfect Vacuum

An idealized state with no matter or particles present, and hence no pressure or air, which is physically unattainable but used as a baseline or reference point.

Psia Gauge

A pressure measurement expressed in pounds per square inch absolute, including the atmospheric pressure.

Atmospheric Pressure

Ambient pressure at sea level equivalent to 14.7 psia, 101.3 kPa, 1 atm, or 1.01 bar.

Psia

Pounds per square inch absolute. Measure of pressure values used in North America that factors in atmospheric pressure of 14.7 psi.