Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to F I² T Absolute temperature (T) F I² T Absolute temperature (T) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following property of air does not increase with rise in temperature? Dynamic viscosity Thermal conductivity Thermal diffusivity Density Dynamic viscosity Thermal conductivity Thermal diffusivity Density ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Upto the critical radius of insulation, Added insulation will decrease heat loss Added insulation will increase heat loss Convective heat loss will be less than conductive heat loss Heat flux will decrease Added insulation will decrease heat loss Added insulation will increase heat loss Convective heat loss will be less than conductive heat loss Heat flux will decrease ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Kirchoff's law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a Brilliant white polished body Red hot body Grey body Black body Brilliant white polished body Red hot body Grey body Black body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Pick up the wrong case. Heat flowing from one side to other depends directly on Temperature difference Time Thickness Face area Temperature difference Time Thickness Face area ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Porosity Density All of these Composition Porosity Density All of these Composition ANSWER DOWNLOAD EXAMIANS APP
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