Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. Maximum energy Minimum energy Both (A) and (B) None of these Maximum energy Minimum energy Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to F T I² Absolute temperature (T) F T I² Absolute temperature (T) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The expression Q = ρ AT4 is called Newton Reichmann equation Stefan-Boltzmann equation Joseph-Stefan equation Fourier equation Newton Reichmann equation Stefan-Boltzmann equation Joseph-Stefan equation Fourier equation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Velocity reduction method Equal friction method Dual or double method Static regains method Velocity reduction method Equal friction method Dual or double method Static regains method ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The insulation ability of an insulator with the presence of moisture would Decrease May increase/decrease depending on temperature and thickness of insulation Increase Remain unaffected Decrease May increase/decrease depending on temperature and thickness of insulation Increase Remain unaffected 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/A.Cmin U.Cmin Cmin/U U/Cmin U/A.Cmin U.Cmin Cmin/U U/Cmin ANSWER DOWNLOAD EXAMIANS APP
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