Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.7 to 3 2.2 to 2.6 1.6 to 2 1.1 to 1.5 2.7 to 3 2.2 to 2.6 1.6 to 2 1.1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower? All of these Density and viscosity of fluids Fluid flow rates Size, shape, orientation and surface of the packing particles All of these Density and viscosity of fluids Fluid flow rates Size, shape, orientation and surface of the packing particles ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Around 7 Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Both B and C Around 7 Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Fouling fluids Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Fouling fluids ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. Hemispherical Torispherical Ellipsoidal Flat plate Hemispherical Torispherical Ellipsoidal Flat plate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is > 20 > 10 < 10 30 > 20 > 10 < 10 30 ANSWER DOWNLOAD EXAMIANS APP
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