Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Excessive liquid gradient over the tray Low reflux ratio Low gas velocity High gas velocity Excessive liquid gradient over the tray Low reflux ratio Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.75 1.25 2.5 3.5 1.75 1.25 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.55-0.85 0.1-0.2 0.4-0.6 0.35-0.75 0.55-0.85 0.1-0.2 0.4-0.6 0.35-0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Tube dia is 3-6 cms, while tube length in 3-6 metres Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Tube dia is 3-6 cms, while tube length in 3-6 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ strain is measured using a 'strain rosetter'. None of these Volumetric Linear Shear None of these Volumetric Linear Shear ANSWER DOWNLOAD EXAMIANS APP