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

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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).

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In overdrive gear, the driveshaft rotates slower than the engine

Indicate whether the statement is true or false

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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

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