Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 34 18 6 12 34 18 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Four times Half Equal to Twice Four times Half Equal to Twice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 30-35 15-20 35-40 43961 30-35 15-20 35-40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 19 28 38 16 19 28 38 16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Allowable vapour velocity Length of straight rectangular weir on cross-flow tray Number of theorectical plates Static submergence Allowable vapour velocity Length of straight rectangular weir on cross-flow tray Number of theorectical plates Static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ liquor is best handled in a long tube vertical evaporator. Scaling Foamy Viscous Salting Scaling Foamy Viscous Salting ANSWER DOWNLOAD EXAMIANS APP