Feet of water is a measure of _____
a. head pressure
b. column pressure
c. dynamic pressure
d. pipe friction
a
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In a conventional gas furnace, the hot flue gases are ____.
A. forced out a PVC vent with a blower B. recycled through a secondary heat exchanger and then vented through a draft diverter C. forced through a type B vent by a blower D. vented by natural convection
When the engine coolant reaches a certain temperature, the ____________________ opens to allow the coolant to flow to the radiator.
Fill in the blank(s) with the appropriate word(s).
The most intelligent animals, second only to humans, are ____________________.
Fill in the blank(s) with the appropriate word(s).
There are three types of workers' compensation insurance: state funds, private insurance, and self-insurance
Indicate whether the statement is true or false