Hanger wires for residential work are typically ________ -gauge galvanized soft steel
A) 18 B) 10 C) 16 D) 12
C
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Differences in the direction of multiple surface welds may be indicated by the use of appropriate notes in the ____________________ of the welding symbol.
Fill in the blank(s) with the appropriate word(s).
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_____ commonly eat insects
a. Birds c. Amphibians b. Mammals d. All answers are correct.
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Which system is designed to evaluate how efficient the heating of a pump is?
A) SEER B) Energy Star C) EER D) HSPF
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A 12 mH inductor is in series with a 120 ? resistor across a square wave dc source. The time constant (?) for the circuit is
A) 500 ?s B) 100 ?s C) 12 ?s D) 120 ?s
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