Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Murphree plate efficiency Overall plate efficiency Point efficiency None of these Murphree plate efficiency Overall plate efficiency Point efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the None of these Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid Viscosity of the fluid None of these Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid Viscosity of the fluid 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 38 19 16 28 38 19 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lap joints are preferred for plates having thickness __________ mm. 43961 > 3 < 12.5 > 5 43961 > 3 < 12.5 > 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D⁵ 1/D² D² 1/D 1/D⁵ 1/D² D² 1/D ANSWER DOWNLOAD EXAMIANS APP