Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Skirt clearance for bubble caps Downcomer liquid seal in case of a balanced tray design Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these Skirt clearance for bubble caps Downcomer liquid seal in case of a balanced tray design Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of None of these 20.2 20.8 2 None of these 20.2 20.8 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.1-0.2 0.2-0.5 1.2-1.5 0.4-0.9 0.1-0.2 0.2-0.5 1.2-1.5 0.4-0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, elliptical dished heads Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress. Compressive Circumferential tensile Radial Longitudinal Compressive Circumferential tensile Radial Longitudinal ANSWER DOWNLOAD EXAMIANS APP
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