Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 5 2.5 17.5 12.5 5 2.5 17.5 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Same More Less Cither A or B; depends upon the I.D. of the pipe Same More Less Cither A or B; depends upon the I.D. of the pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. Hemispherical Torispherical Ellipsoidal Flat plate Hemispherical Torispherical Ellipsoidal Flat plate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Very accurate flow control Very large diameter pipes Smaller sizes of pipe High pressure throttling service Very accurate flow control Very large diameter pipes Smaller sizes of pipe High pressure throttling service ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Height of the plate spacing Upper limit of the vapour velocity Hole diameter of the seive tray Lower limit of vapour velocity Height of the plate spacing Upper limit of the vapour velocity Hole diameter of the seive tray Lower limit of vapour velocity 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. 4 1/2 2 8 4 1/2 2 8 ANSWER DOWNLOAD EXAMIANS APP