Flow pressure switches control _____.
a. pressure discharge
b. flow discharge
c. liquid transfer
d. temperature variations
c. liquid transfer
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If the suction valves are broken, what is the most likely cause of this type of damage?
a. Slugging b. Flooding c. Starving d. Overheating
_____________ eat through the walls of the digestive tract and migrate to the liver.
A. Tapeworms B. Roundworms C. Stomach worms D. Flukes
Which of the following is not part of the operating sequence of a natural-draft furnace?
a. The draft inducer starts on a call for heat. b. The controls prove that the pilot is lit. c. The gas valve energizes and opens. d. The fan switch starts the blower.