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 1.1 to 1.5 2.2 to 2.6 1.6 to 2 2.7 to 3 1.1 to 1.5 2.2 to 2.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is < 30 > 20 < 50 > 7 < 15 < 7 < 30 > 20 < 50 > 7 < 15 < 7 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Both A & B Neither A nor B Changes in temperature Cross-sectional area Both A & B Neither A nor B Changes in temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Both A & B Higher structural strength Lowest surface area requirement for a given volume None of these Both A & B Higher structural strength Lowest surface area requirement for a given volume None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. None of these Increase by 21.6 Increase by 1.8 Decrease by 22 None of these Increase by 21.6 Increase by 1.8 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP