Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 40 to 50 55 to 75 15 to 30 5 to 10 40 to 50 55 to 75 15 to 30 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Short tube vertical evaporator Horizontal tube evaporator Long tube vertical evaporator None of these Short tube vertical evaporator Horizontal tube evaporator Long tube vertical evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress. Radial Compressive Circumferential tensile Longitudinal Radial Compressive Circumferential tensile Longitudinal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Decreases Remains same May increase or decrease depending upon the plate spacing Increases Decreases Remains same May increase or decrease depending upon the plate spacing Increases ANSWER DOWNLOAD EXAMIANS APP