The rate of heat flow through a body is $${\text{Q}} = \frac{{{\text{kA}}\left( {{{\text{T}}_1} - {{\text{T}}_2}} \right)}}{{\text{x}}}.$$ The term $$\frac{{\text{x}}}{{{\text{kA}}}}$$ is known as
A. Thermal coefficient
B. Thermal resistance
C. Thermal conductivity
D. None of these
Answer: Option B
Solution (By Examveda Team)
The rate of heat flow through a body is $${\text{Q}} = \frac{{{\text{kA}}\left( {{{\text{T}}_1} - {{\text{T}}_2}} \right)}}{{\text{x}}}.$$ The term $$\frac{{\text{x}}}{{{\text{kA}}}}$$ is known as Thermal resistance.This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer
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