Heat Transfer Harmonic mean temperature difference is given by 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of Activity co-efficients Mass transfer co-efficients Chemical potentials Concentrations Activity co-efficients Mass transfer co-efficients Chemical potentials Concentrations ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Kirchoffs None of these Fourier's Planck's Kirchoffs None of these Fourier's Planck's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α ≠ 1, ε = 1 α = 1; ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε ≠ 1 α ≠ 1, ε = 1 α = 1; ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε ≠ 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr-1/3 NPr-1 NPr NPr1/3 NPr-1/3 NPr-1 NPr NPr1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces polished contaminated cooling smooth clean clean and dirt free polished contaminated cooling smooth clean clean and dirt free ANSWER DOWNLOAD EXAMIANS APP
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