Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively decreases Remains constant And the surface conductance increase Cummulatively increases Cummulatively decreases Remains constant And the surface conductance increase Cummulatively increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) 1/U₂ - 1/U₁ U₁ - U₂ 1/U₁ - 1/U₂ U₂ - U₁ 1/U₂ - 1/U₁ U₁ - U₂ 1/U₁ - 1/U₂ U₂ - U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Having the value of Ao/Ai > 2 Both B and C Thick walled Thin walled having the value of Ao Ai/< 2 Having the value of Ao/Ai > 2 Both B and C Thick walled Thin walled having the value of Ao Ai/< 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 500 400 200 520 500 400 200 520 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a higher shell side pressure drop Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a higher shell side pressure drop Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Transmissivity = 1 Emissivity = 0 Reflectivity = 1 Absorptivity = 1 Transmissivity = 1 Emissivity = 0 Reflectivity = 1 Absorptivity = 1 ANSWER DOWNLOAD EXAMIANS APP
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