Fire is both a chemical and a physical process
Indicate whether the statement is true or false
True
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Larger conductors such as power cable can be cut using _____.
a. side-cut pliers b. a PVC cutter c. ratchet-type cable cutters d. a reciprocating saw
The abbreviation for the plastic pipe used in high pressure systems at low temperature is ____________________.
Fill in the blank(s) with the appropriate word(s).
In overdrive gear, the driveshaft rotates slower than the engine
Indicate whether the statement is true or false
What components are added to make a two-stage furnace?
A) An extra set of burners and an extra gas valve B) A two-stage gas valve, two draft proving switches, and a two-speed induced draft fan C) Electric heat strips and a second stage sequence D) A second heat exchanger and an electric vent gas damper