Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Allow for thermal expansion and facilitate installation None of these Drain the liquid from the tray when the unit is not in operation Avoid back-trapping Allow for thermal expansion and facilitate installation None of these Drain the liquid from the tray when the unit is not in operation Avoid back-trapping ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 40 to 50 15 to 30 55 to 75 5 to 10 40 to 50 15 to 30 55 to 75 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.1 to 1.5 2.2 to 2.6 2.7 to 3 1.6 to 2 1.1 to 1.5 2.2 to 2.6 2.7 to 3 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter) D 0.75 d 0.5 d 2 d D 0.75 d 0.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Co-current heat transfer systems Heat transfer between corrosive fluids Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Heat transfer between corrosive fluids Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Upper limit of the vapour velocity Lower limit of vapour velocity Height of the plate spacing Hole diameter of the seive tray Upper limit of the vapour velocity Lower limit of vapour velocity Height of the plate spacing Hole diameter of the seive tray ANSWER DOWNLOAD EXAMIANS APP
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