Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 50-75 25-50 750-1000 200-250 50-75 25-50 750-1000 200-250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. >2.5 ?1 >3.5 ?2 >2.5 ?1 >3.5 ?2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray. Permissible slot velocity Tray diameter Vapor load Liquid load Permissible slot velocity Tray diameter Vapor load Liquid load ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop Improve the flow condition Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop Improve the flow condition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Increases capacity Both B & C Increases economy Does not affect the capacity Increases capacity Both B & C Increases economy ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Disk type baffle Segmental baffle Flat plate extending across the wall Helical type baffle Disk type baffle Segmental baffle Flat plate extending across the wall Helical type baffle ANSWER DOWNLOAD EXAMIANS APP