Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? √(A₁ + A₂) √(A₁ . A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) √(A₁ . A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat flux thermal diffusivity heat transfer co-efficient thermal conductivity heat flux thermal diffusivity heat transfer co-efficient thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the Viscosity, density & mass velocity of shell side fluid None of these Baffle spacing & shell diameter Tube diameter & pitch Viscosity, density & mass velocity of shell side fluid None of these Baffle spacing & shell diameter Tube diameter & pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above none of the listed here 100°C 0°K 0°C none of the listed here 100°C 0°K 0°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Reynolds number none of the listed here Prandtl number Grashhoff number Reynolds number none of the listed here Prandtl number Grashhoff number ANSWER DOWNLOAD EXAMIANS APP
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