Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Refrigerator condenser coils Boiler Steam condenser Electric heater Refrigerator condenser coils Boiler Steam condenser Electric heater ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The concept of overall coefficient of heat transfer is used in heat transfer problems of Conduction Convection Radiation Conduction and convection Conduction Convection Radiation Conduction and convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be Same Less Depends on other factors More Same Less Depends on other factors More ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Reynolds number is the ratio of Inertia force to viscous force Kinematic viscosity to thermal diffusivity Energy transferred by convection to that by conduction None of these Inertia force to viscous force Kinematic viscosity to thermal diffusivity Energy transferred by convection to that by conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (Tâ - Tâ)]/x. The term x/kA is known as Thermal resistance Thermal conductivity None of these Thermal coefficient Thermal resistance Thermal conductivity None of these Thermal coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit Thickness Temperature Area Time Thickness Temperature Area Time ANSWER DOWNLOAD EXAMIANS APP
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