Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Liquid gradient on the tray Lower static submergence Lower skirt clearance Small downcomer liquid seal Liquid gradient on the tray Lower static submergence Lower skirt clearance Small downcomer liquid seal 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. 0.1 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 0.5 to 0.6 0.3 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Absorbing the contraction/expansion of pipeline due to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter) 2 d D 0.5 d 0.75 d 2 d D 0.5 d 0.75 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 2.5 1.3 to 2 1.5 to 3 1.6 to 2 2.5 1.3 to 2 1.5 to 3 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP