The American Wire Gauge rates wires in size from smallest to largest as:
A) 4 mm to 40 mm. B) 000 to 50. C) 40 mm to 4 mm. D) 50 to 0000.
D
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Which of the following is an example of a good conductor?
a. wood c. plastic b. copper d. dry air
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The ____ is designed to quickly stop the flow of gas during a flashback.
A. flashback arrestor B. reverse flow valve C. safety release valve D. safety disc
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Find I? in the circuit of Fig. 13.95. Switch the dot on the winding on the right and calculate Io again.
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The first step in starting a chilled water system is to ____.
A. activate the compressor unloading system B. activate the chilled water circulating system C. activate the condenser heat removal system D. start the compressor operation sequence
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