The unit of overall coefficient of heat transfer is

A kcal/m<sup>2</sup>
B kcal/hr °C
C kcal/m<sup>2</sup> hr °C
D kcal/m hr °C

Correct Answer: kcal/m<sup>2</sup> hr °C

Kilocalorie per hour per square meter per degree Celsius (kcal/m2 hr °С) is a metric unit of the heat transfer coefficient.The heat transfer coefficient has SI units in watts per squared meter kelvin: $$\frac{{\text{W}}}{{{{\text{m}}^2}{\text{K}}}}$$ .Heat transfer coefficient is the inverse of thermal insulance.
Bissoy MCQ
#Mechanical Engineering #Heat And Mass Transfer

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