A BTU/hr.ft. 2 Â°F is equal to

1.	A BTU/hr.ft. 2 Â°F is equal to
A.	1 kcal/hr. m 2 Â°C.
B.	4.88 kcal/hr. m. 2 Â°C.
C.	1 kcal/hr. m 2 .Â°K.
D.	none of these.
Answer» C. 1 kcal/hr. m 2 .Â°K.

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A BTU/hr.ft. 2 Â°F is equal to

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