Air-conditioning systems normally move about ____________________ cfm of air per ton.

Fill in the blank(s) with the appropriate word(s).


Four hundred

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OSHA's requirements for exit arrangements are found in:

A) 29 CFR 1910.37(e) B) 29 CFR 1910.38 C) 29 CFR 1926.65. Appendix C D ) 29 CFR 1910.37(a)

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If a 75 VP sine wave is applied to a half-wave rectifier, the diode's peak inverse voltage is ________

A) 37.5 V B) 75 V C) 150 V D) 0 V

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In binary addition, 1 + 1 = ________

A) 1 with a carry of 1 B) 0 with a carry of 0 C) 1 with a carry of 0 D) 0 with a carry of 1

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The condition in which a flame goes out and burns back inside the torch is known as a _____

a. flashback b. backfire c. backlash d. vapor lock

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