In three-phase transformer connections, the primary leads are labeled with the letter _____ and the secondary leads are labeled with the letter _____.
A. X; H
B. H; X
C. L; X
D. X; L
Answer: B
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The IRC requires a heating unit to be installed in any residence built in an area where the winter design temperature is below ____°F.
A. 58 B. 60 C. 63 D. 68
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How many meters are there in 6.5 feet? Round to 2 decimal places
A. 78 B. 1.98 C. 15.62 D. 19.8
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What is the standard airflow across the evaporator of a 3 ton residential split system air conditioner?
A) 1500 CFM B) 1200 CFM C) 1000 CFM D) 800 CFM
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OEM paint thickness averages about four to eight mils (0.004 to 0.008 inch) thick.
Answer the following statement true (T) or false (F)
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