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 0.1-0.2 0.35-0.75 0.4-0.6 0.55-0.85 0.1-0.2 0.35-0.75 0.4-0.6 0.55-0.85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Counter-current heat transfer systems Co-current heat transfer systems Heat transfer between corrosive fluids Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Co-current heat transfer systems Heat transfer between corrosive fluids Cases where temperature difference between the shell and the tubes is more (>50°C) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Filtration rate is affected by the Pressure drop across the cake & filter medium Area of filtering surface & the viscosity of filtrate Cake & filter medium resistance All of these Pressure drop across the cake & filter medium Area of filtering surface & the viscosity of filtrate Cake & filter medium resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can Withstand higher pressure for a given metallic shell thickness Be designed without wind load considerations Be fabricated very easily Be supported very easily Withstand higher pressure for a given metallic shell thickness Be designed without wind load considerations Be fabricated very easily Be supported very easily ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Twice Half Eight times Equal to Twice Half Eight times Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed Half the tray spacing 5" 0.5" -1.25" 2"-3.5" Half the tray spacing 5" 0.5" -1.25" 2"-3.5" ANSWER DOWNLOAD EXAMIANS APP
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