For what application is an engine-driven AC generator typically used?
Fill in the blank(s) with the appropriate word(s).
BACKUP POWER SOURCE
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
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The ____ is a temperature-sensitive flow valve.
a. radiator b. governor c. idler d. thermostat
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Treads for exterior wood stairways are typically made from pressure-treated stock with a nominal thickness
of _____. a. 1" b. 1-1/2" c. 2" d. 2-1/4"
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A(n) ____ is a three-terminal semiconductor device that operates as a switch when triggered into conduction by a gate signal. This device only conducts in one direction.
A. diac B. triac C. SCR D. transistor
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