Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Porosity All of these Density Composition Porosity All of these Density Composition 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 = 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 α + ρ = 1 and τ = 0 α = 0, ρ = 0 and τ = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer takes place as per Zeroth law of thermodynamics Kirchoff's law Second law of the thermodynamics First law of thermodynamic Zeroth law of thermodynamics Kirchoff's law Second law of the thermodynamics First law of thermodynamic ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy transferred by convection to that by conduction is called Nusselt number Stanton number Biot number Peclet number Nusselt number Stanton number Biot number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The expression Q = ρ AT4 is called Fourier equation Newton Reichmann equation Stefan-Boltzmann equation Joseph-Stefan equation Fourier equation Newton Reichmann equation Stefan-Boltzmann equation Joseph-Stefan equation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat flows from one body to other when they have Different specific heat Different heat contents Different temperatures Different atomic structure Different specific heat Different heat contents Different temperatures Different atomic structure ANSWER DOWNLOAD EXAMIANS APP
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