Heat and Mass Transfer Joule sec is the unit of Universal gas constant Thermal conductivity Planck's constant Kinematic viscosity Universal gas constant Thermal conductivity Planck's constant Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt/cm4 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm3 °K watt/cm4 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm3 °K ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of solid metals with rise in temperature normally Increases Remain constant May increase or decrease depending on temperature Decreases Increases Remain constant May increase or decrease depending on temperature Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in S.I. units is J/m °K sec J/m² sec Option (B) and (C) above W/m °K J/m °K sec J/m² sec Option (B) and (C) above W/m °K ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total emissivity of polished silver compared to black body is More or less same Same Very much lower Higher More or less same Same Very much lower Higher ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity) h = S/ρk h = kρ/S h = ρS/k h = k/ ρS h = S/ρk h = kρ/S h = ρS/k h = k/ ρS ANSWER DOWNLOAD EXAMIANS APP
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