Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Calenderia vertical tube evaporator Agitated film evaporator Horizontal tube evaporator Long vertical evaporator Calenderia vertical tube evaporator Agitated film evaporator Horizontal tube evaporator Long vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Laminar Turbulent Counter-current Co-current Laminar Turbulent Counter-current Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Passes through a maxima Decreases Increases Remains constant Passes through a maxima Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.0035 3.5 0.025 5.6 0.0035 3.5 0.025 5.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have High thermal conductivity A porous structure Low thermal conductivity Less resistance to heat flow High thermal conductivity A porous structure Low thermal conductivity Less resistance to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Highly viscous Salty Scaling Corrosive Highly viscous Salty Scaling ANSWER DOWNLOAD EXAMIANS APP
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