Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/t pd/4t pd/8t pd/2t pd/t pd/4t pd/8t pd/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 2.5 12.5 5 17.5 2.5 12.5 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? 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 Number of theorectical plates ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) Z.H/L.ρ L/Z.H.ρ Z.H.ρ/L H.ρ/L Z.H/L.ρ L/Z.H.ρ Z.H.ρ/L H.ρ/L ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Leads to high tray efficiency Neither A nor B Both A & B Results in higher pressure drop per tray Leads to high tray efficiency Neither A nor B Both A & B Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 25 cms I.D. of the shell 5 cms 40% of the I.D. of the shell 25 cms I.D. of the shell 5 cms 40% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
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