Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area) 1.2 Aa = 1.2 Sa Sa = 1.5 Aa Aa = 1.5 Sa Aa = Sa 1.2 Aa = 1.2 Sa Sa = 1.5 Aa Aa = 1.5 Sa Aa = Sa ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.5 to 0.6 0.3 to 0.5 0.1 to 0.25 0.65 to 0.80 0.5 to 0.6 0.3 to 0.5 0.1 to 0.25 0.65 to 0.80 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Cool the liquid before it flows down Reduce the discharge fluctuation Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid Cool the liquid before it flows down Reduce the discharge fluctuation Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns. Same Less More Either A or B; no generalisation can be made Same Less More Either A or B; no generalisation can be made ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction? Rimmed still Mild steel Killed steel Semi-killed steel Rimmed still Mild steel Killed steel Semi-killed steel 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? Conical Flat plate Ellipsoidal (2 : 1) Hemispherical Conical Flat plate Ellipsoidal (2 : 1) Hemispherical ANSWER DOWNLOAD EXAMIANS APP