Heat and Mass Transfer Film coefficient is defined as the ratio of Thickness of film of fluid to the thermal conductivity Temperature drop through the films of fluids to the thickness of film of fluids Thermal conductivity to the equivalent thickness of the film of fluid Thickness of film of fluid to the temperature drop through the films of fluids Thickness of film of fluid to the thermal conductivity Temperature drop through the films of fluids to the thickness of film of fluids Thermal conductivity to the equivalent thickness of the film of fluid Thickness of film of fluid to the temperature drop through the films of fluids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The energy distribution of an ideal reflector at higher temperatures is largely in the range of Wavelength has nothing to do with it Longer wavelength Shorter wavelength Remain same at all wavelengths Wavelength has nothing to do with it Longer wavelength Shorter wavelength Remain same at all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called Thermal resistance Temperature gradient Thermal coefficient Thermal conductivity Thermal resistance Temperature gradient Thermal coefficient Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When α is absorptivity, ρ is reflectivity and τ is transmissivity, then for a diathermanous body, α + ρ = 1 and τ = 0 α = 0, ρ = 0 and τ = 1 α = 1, ρ = 0 and τ = 0 α = 0, ρ = 1 and τ = 0 α + ρ = 1 and τ = 0 α = 0, ρ = 0 and τ = 1 α = 1, ρ = 0 and τ = 0 α = 0, ρ = 1 and τ = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Lower Higher Depends upon the shape of body Same Lower Higher Depends upon the shape of body Same ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissive power of a body depends upon its Physical nature Wave length All of these Temperature Physical nature Wave length All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
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