Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 8 180 1 80 8 180 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter. 1 to 1.5 2.5 to 3.5 4 to 5 6 to 8 1 to 1.5 2.5 to 3.5 4 to 5 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Facilitates comparatively easier external cleaning because of large clearance Permits the use of more tubes in a given shell diameter Both B and C Permits the use of less tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of more tubes in a given shell diameter Both B and C Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the distillation column. None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up If sufficient slot area is not provided, the gas may pass through the skirt clearance The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up If sufficient slot area is not provided, the gas may pass through the skirt clearance The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? None of these Murphree plate efficiency Overall plate efficiency Point efficiency None of these Murphree plate efficiency Overall plate efficiency Point efficiency 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. 38 19 28 16 38 19 28 16 ANSWER DOWNLOAD EXAMIANS APP
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