Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Greater cost for the condenser coolant Lower fixed charges for the column Greater cost for the reboiler heat supply All of these Greater cost for the condenser coolant Lower fixed charges for the column Greater cost for the reboiler heat supply All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Same Twice Less More Same Twice Less More ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a Floating head tube sheet Either A or B Neither A nor B U-bend Floating head tube sheet Either A or B Neither A nor B U-bend ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 5 12.5 17.5 2.5 5 12.5 17.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Only the function of condensation is to be carried out Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Only the function of condensation is to be carried out ANSWER DOWNLOAD EXAMIANS APP
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