Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Thin walled having the value of Ao Ai/< 2 Thick walled Having the value of Ao/Ai > 2 Both B and C Thin walled having the value of Ao Ai/< 2 Thick walled Having the value of Ao/Ai > 2 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Kirchoffs Dalton's Stefan's Wien's Kirchoffs Dalton's Stefan's Wien's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)⁴ √(ΔT) (ΔT)² (ΔT)³ (ΔT)⁴ √(ΔT) (ΔT)² (ΔT)³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the wavelength of monochromatic radiation temperature of the body only none of the listed here nature of material of body wavelength of monochromatic radiation temperature of the body only none of the listed here nature of material of body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Less Some Either more or less ; depends on the nature of vapor More Less Some Either more or less ; depends on the nature of vapor More ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Thermal diffusivity Heat transfer co-efficient Thermal conductivity Stefan-Boltzman constant Thermal diffusivity Heat transfer co-efficient Thermal conductivity Stefan-Boltzman constant ANSWER DOWNLOAD EXAMIANS APP