Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the nature of material of body wavelength of monochromatic radiation none of the listed here temperature of the body only nature of material of body wavelength of monochromatic radiation none of the listed here temperature of the body only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low viscosity Prandtl number Grashoff number thermal conductivity viscosity Prandtl number Grashoff number thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is > 1 1 < 1 > 5 > 1 1 < 1 > 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Economiser Ceramic recuperator Regenerator None of these Economiser Ceramic recuperator Regenerator None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Kirchoffs Wien's Dalton's Stefan's Kirchoffs Wien's Dalton's Stefan's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Forced convection Transient conduction Steady state conduction Natural convection Forced convection Transient conduction Steady state conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP