Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Boiler Refrigerator condenser coils Steam condenser Electric heater Boiler Refrigerator condenser coils Steam condenser Electric heater ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by °C (temperature) Hr (time) K.cal (heat) Sq. m (area) °C (temperature) Hr (time) K.cal (heat) Sq. m (area) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In regenerator type heat exchanger, heat transfer takes place by Direct mixing of hot and cold fluids Flow of hot and cold fluids alternately over a surface Generation of heat again and again A complete separation between hot and cold fluids Direct mixing of hot and cold fluids Flow of hot and cold fluids alternately over a surface Generation of heat again and again A complete separation between hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by Conduction and convection Conduction Radiation Convection Conduction and convection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Velocity reduction method Dual or double method Equal friction method Static regains method Velocity reduction method Dual or double method Equal friction method Static regains method ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the energy absorbed by the body to total energy falling on it is called Emissivity Emissive power Absorptive power Absorptivity Emissivity Emissive power Absorptive power Absorptivity ANSWER DOWNLOAD EXAMIANS APP
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