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Heat Transfer

Q1:

What is the unit of thermal conductivity ?

A Kcal/hr. m2 °C

B Kcal/hr.m.°C

C Kcal/hr.m

D Kcal/hr. °C

ANS:B - Kcal/hr.m.°C

The unit of thermal conductivity is: Kcal/hr.m.°C This unit represents the amount of heat (in kcal) that passes through a material of a certain thickness (in meters) per unit area (in square meters) per degree Celsius of temperature difference.



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