Heat and Mass Transfer Unit of thermal conductivity in S.I. units is Option (B) and (C) above J/m² sec W/m °K J/m °K sec Option (B) and (C) above J/m² sec W/m °K J/m °K sec 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 Thermal coefficient Thermal conductivity Thermal resistance None of these Thermal coefficient Thermal conductivity Thermal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In counter flow heat exchangers One fluid is in hottest state and other in coldest state at inlet Both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state Both the fluids at inlet are in their hottest state Both the fluids at exit are in their hottest state One fluid is in hottest state and other in coldest state at inlet Both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state Both the fluids at inlet are in their hottest state Both the fluids at exit are in their hottest state ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Prandtl number Biot number Stanton number Grashoff number Prandtl number Biot number Stanton number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is smallest in Gases Liquids Solids None of these Gases Liquids Solids None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends upon the Type of surface of the body Nature of the body Temperature of the body All of these Type of surface of the body Nature of the body Temperature of the body All of these ANSWER DOWNLOAD EXAMIANS APP
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