Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Boiler Steam condenser Refrigerator condenser coils Electric heater Boiler Steam condenser Refrigerator condenser coils Electric heater ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by Convection Conduction and convection Radiation Conduction Convection Conduction and convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Free convection flow depends on Gravitational force All of these Density Coefficient of viscosity Gravitational force All of these Density Coefficient of viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is a case of steady state heat transfer? Heating of building in winter Air preheaters I.C. engine None of these Heating of building in winter Air preheaters I.C. engine None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is known as Conduction None of these Radiation Convection Conduction None of these Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of solid metals with rise in temperature normally Decreases May increase or decrease depending on temperature Remain constant Increases Decreases May increase or decrease depending on temperature Remain constant Increases ANSWER DOWNLOAD EXAMIANS APP