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? Horizontal tube evaporator Agitated film evaporator Long vertical evaporator Calenderia vertical tube evaporator Horizontal tube evaporator Agitated film evaporator Long vertical evaporator Calenderia vertical tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Sc Re and Gr Pr and Gr Re and Pr Re and Sc Re and Gr Pr and Gr Re and Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows outside the tubes Can flow either inside or outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Flows outside the tubes Can flow either inside or outside the tubes Flows through the tube Should not be used as it gives very high pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. None of the listed here laminar highly turbulent transition None of the listed here laminar highly turbulent transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law applies to the heat transfer by None of the listed here convection conduction radiation None of the listed here convection conduction radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)² (ΔT)³ √(ΔT) (ΔT)⁴ (ΔT)² (ΔT)³ √(ΔT) (ΔT)⁴ ANSWER DOWNLOAD EXAMIANS APP