If there is a room of 10 ft x 10 ft x 10 ft, what is the rate of heating load to maintain the room temperature at 70oF when the outside temperature is 10oF. Assume that there is no heat loss by conduction/convection, and 2 air exchange per hour (k=2).
A 1296 Btu/hr
B 2160 Btu/hr
C 1080 Btu/hr
D 1620 Btu/hr
E 3780 Btu/hr
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