Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 20 < 50 < 7 > 7 < 15 < 30 > 20 < 50 < 7 > 7 < 15 < 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Number of theorectical plates Allowable vapour velocity Static submergence Length of straight rectangular weir on cross-flow tray Number of theorectical plates Allowable vapour velocity Static submergence Length of straight rectangular weir on cross-flow tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In inclined long tube vertical evaporators, the tubes are inclined at an angle of 45° 90° 60° 15° 45° 90° 60° 15° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Thick walled Large horizontal Small horizontal Tall vertical Thick walled Large horizontal Small horizontal Tall vertical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to None of these Allow for thermal expansion and facilitate installation Drain the liquid from the tray when the unit is not in operation Avoid back-trapping None of these Allow for thermal expansion and facilitate installation Drain the liquid from the tray when the unit is not in operation Avoid back-trapping ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of None of these Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required None of these Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP