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 20.2 20.8 2 None of these 20.2 20.8 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Maximum permissible vapour velocity None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column Maximum permissible vapour velocity None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column 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. 0.3 to 0.5 0.65 to 0.80 0.5 to 0.6 0.1 to 0.25 0.3 to 0.5 0.65 to 0.80 0.5 to 0.6 0.1 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rate of filtrate delivery is inversely proportional to the Cake & filter medium resistance Viscosity of filtrate Both A & B Filtering area & the pressure difference driving force Cake & filter medium resistance Viscosity of filtrate Both A & B Filtering area & the pressure difference driving force ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 8 80 180 1 8 80 180 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Half Four times Twice Equal to Half Four times Twice Equal to ANSWER DOWNLOAD EXAMIANS APP