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Each of two containers of equal volume holds an ideal gas. Container A has twice the number of molecules as container B. If the gas pressure of both containers is the same, what can you say about the rms speed of molecues in container A?

The AFUE rating compares a furnace’s seasonal energy output to the energy input for the same time period.

A modern gas furnace flame should be entirely white.

Depending on the type and size of a unit, a drip leg may or may not be installed at the furnace.

Match each of the following furnace-related terms with the statement that best describes it.

If the flue gas oxygen content is high, the presence of carbon monoxide is most likely an indication that there is a lack of air.

Stack temperature is directly related to the amount of excess air.

A gas furnace flame may jump around above the burner because there is insufficient primary air.

In a gas-fired, forced-air furnace, fuel gas is piped to the furnace and kept under high pressure.

A masonry chimney is a Class B chimney.