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. 750-1000 25-50 200-250 50-75 750-1000 25-50 200-250 50-75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to G0.8 G1.5 G0.5 G0.2 G0.8 G1.5 G0.5 G0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the All of these Fluid rates and fluid properties Operating pressure and column diameter Type & size of packing All of these Fluid rates and fluid properties Operating pressure and column diameter Type & size of packing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Joint efficiency (J) for a seamless pipe is 1 < 0.5 0.85 1.2 1 < 0.5 0.85 1.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) ANSWER DOWNLOAD EXAMIANS APP