Process Equipment and Plant Design A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 38 95 19 76 38 95 19 76 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.6 to 2 1.3 to 2 2.5 1.5 to 3 1.6 to 2 1.3 to 2 2.5 1.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Flat plate Ellipsoidal (2 : 1) Hemispherical Conical Flat plate Ellipsoidal (2 : 1) Hemispherical Conical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings Lessig rings Cross-partition rings All of these Raschig rings Lessig rings Cross-partition rings All of these ANSWER DOWNLOAD EXAMIANS APP