Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Equal to Eight times Twice Half Equal to Eight times Twice Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels. Thick walled vertical None of these Horizontal Thin shperical (e.g. Horton sphere) Thick walled vertical None of these Horizontal Thin shperical (e.g. Horton sphere) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Hole sizes may be around 1/8" or 3/16" Total hole area may be around 6 to 15% of tower cross-sectional area All of these Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" Total hole area may be around 6 to 15% of tower cross-sectional area All of these Pressure drop is less compared is similar bubble cap towers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings All of these Cross-partition rings Lessig rings Raschig rings All of these Cross-partition rings Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required None of these Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required None of these 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. 16 28 19 38 16 28 19 38 ANSWER DOWNLOAD EXAMIANS APP
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