Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Counter flow Cross flow All of these Parallel flow Counter flow Cross flow All of these Parallel flow ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by Radiation Convection Forced convection Free convection Radiation Convection Forced convection Free convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissive power of a body depends upon its All of these Wave length Physical nature Temperature All of these Wave length Physical nature Temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (T₁ - T₂)]/x. The term x/kA is known as None of these Thermal coefficient Thermal resistance Thermal conductivity None of these Thermal coefficient Thermal resistance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be Depends on other factors Same Less More Depends on other factors Same Less More ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The insulation ability of an insulator with the presence of moisture would Remain unaffected Decrease May increase/decrease depending on temperature and thickness of insulation Increase Remain unaffected Decrease May increase/decrease depending on temperature and thickness of insulation Increase ANSWER DOWNLOAD EXAMIANS APP
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