Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its Non-corrosive condensate High latent heat High film co-efficient Low cost Non-corrosive condensate High latent heat High film co-efficient Low cost ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? None of these Long tube vertical evaporator Short tube vertical evaporator Horizontal tube evaporator None of these Long tube vertical evaporator Short tube vertical evaporator Horizontal tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column All of these Facilitate draining out liquid from a tray when the unit is not in operation Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid All of these Facilitate draining out liquid from a tray when the unit is not in operation Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 10 35 20 30 10 35 20 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C < 4 : 1 for gas-gas exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C < 4 : 1 for gas-gas exchangers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required None of these Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required None of these Overall gas transfer units to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS