Heat and Mass Transfer The value of the wavelength for maximum emissive power is given by Wien’s law Stefan's law Planck's law Fourier's law Wien’s law Stefan's law Planck's law Fourier's law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to Square of temperature Fourth power of absolute temperature Fourth power of temperature Absolute temperature Square of temperature Fourth power of absolute temperature Fourth power of temperature Absolute temperature 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 Absorptive power Emissive power Absorptivity Emissivity Absorptive power Emissive power Absorptivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as U/Cmin U.Cmin Cmin/U U/A.Cmin U/Cmin U.Cmin Cmin/U U/A.Cmin ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. None of these Minimum energy Maximum energy Both (A) and (B) None of these Minimum energy Maximum energy Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be Depends on other factors Less More Same Depends on other factors Less More Same ANSWER DOWNLOAD EXAMIANS APP
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