Process Equipment and Plant Design Floating head heat exchangers are used for the 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) Counter-current heat transfer systems Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A/an __________ is used for changing the direction of a pipeline. Flange Elbow Disc compensator Union Flange Elbow Disc compensator Union ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.95 0.55 0.75 0.85 0.95 0.55 0.75 0.85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 450 750 650 250 450 750 650 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Liquor is inside the tube while the steam is outside the tube Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Liquor is inside the tube while the steam is outside the tube ANSWER DOWNLOAD EXAMIANS APP
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