Heat and Mass Transfer Stefan Boltzmann law is applicable for heat transfer by Conduction and radiation combined Convection Radiation Conduction Conduction and radiation combined Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Refrigerator condenser coils Electric heater Steam condenser Boiler Refrigerator condenser coils Electric heater Steam condenser Boiler ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction is valid for One dimensional cases only Regular surfaces having non-uniform temperature gradients Three dimensional cases only Two dimensional cases only One dimensional cases only Regular surfaces having non-uniform temperature gradients Three dimensional cases only Two dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Prandtl number Stanton number Grashoff number Biot number Prandtl number Stanton number Grashoff number Biot number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to Fourth power of temperature Fourth power of absolute temperature Square of temperature Absolute temperature Fourth power of temperature Fourth power of absolute temperature Square of temperature Absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Intensity of radiation Emissivity Reflectivity Transmissivity Intensity of radiation Emissivity Reflectivity Transmissivity ANSWER DOWNLOAD EXAMIANS APP