Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 12.5 2.5 5 17.5 12.5 2.5 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering run) would be around 60 350 5 200 60 350 5 200 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 8 1/2 4 2 8 1/2 4 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? None of these At the inner surface At the mid thickness of the cylindrical wall At the outer surface None of these At the inner surface At the mid thickness of the cylindrical wall At the outer surface 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 5 cms I.D. of the shell 40% of the I.D. of the shell 25 cms 5 cms I.D. of the shell 40% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these Are easier to clean Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these Are easier to clean Are less prone to fouling ANSWER DOWNLOAD EXAMIANS APP