Heat Transfer An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is 3000 9000 4000 4600 3000 9000 4000 4600 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Long tube None of these Open pan Agitated film Long tube None of these Open pan Agitated film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Facilitate removal of non-condensable gases Create vacuum Remove the product Admit the feed Facilitate removal of non-condensable gases Create vacuum Remove the product Admit the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following situations can be approximated to a steady state heat transfer system? Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases exponentially Decreases Remains unchanged Increases Increases exponentially Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffles are provided in heat exchangers to increase the Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP