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? Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator 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 0.025 3.5 0.0035 5.6 0.025 3.5 0.0035 5.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Decreases Decreases linearly Remains same Increases Decreases Decreases linearly Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Geometric mean Sum Product Average Geometric mean Sum Product Average ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Once Thrice Twice Four times Once Thrice Twice Four times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe None of these Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe None of these ANSWER DOWNLOAD EXAMIANS APP
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