1.

CONSIDER_HE_ABOVE_PROBLEM,_FIND_THE_RATE_OF_CHANGE_OF_TEMPERATURE_AT_THE_INSIDE_SURFACE_OF_THE_TUBE?$

A. – 35 degree Celsius/hour
B. – 45 degree Celsius/hour
C. – 55 degree Celsius/hour
D. – 65 degree Celsius/hour
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö¬® 65 degree Celsius/hour


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