A Gas Fired Warm Air Furnace Heats By

Question: Conduction

Answer: A gas fired warm air furnace heats by _______

Question: Conduction

Answer: If you burn your finger by touching a hot surface, it is an example of _______

Question: Add moisture to the air

Answer: Humidifiers are used to _______

Question: 26.5C

Answer: A temperature of 80F is equal to _______

Question: Combustion is incomplete

Answer: Carbon monoxide is produced when ______

Question: Blue with an orange tip

Answer: A gas burner flame should be _______

Question: Butane

Answer: Of the following gases, the one with the highest heating value per cubic foot is _______

Question: Flows over the outside of the heat exchangers

Answer: In a forced air furnace, air _______

Question: Is used to reheat the flue gases before they are vented

Answer: In a condensing furnace, the secondary heat exchanger _______

Question: False

Answer: The furnace blower should be operating while the air filter is being replaced.

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