What is the heat output of an electric furnace rated at 15 kilowatts on 240 volts?
A) 15 kw × 240 = 36,000 BTU/hr
B) 15 kw × 3412 = 51,180 BTU/hr
C) 15 kw × 1000 = 15,000 BTU/h
D) The heat output cannot be calculated using the kilowatt output
B
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