Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 18 6 12 34 18 6 12 34 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to 1.5 times Half Three fourth Equal to 1.5 times Half Three fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress. Compressive Circumferential tensile Longitudinal Radial Compressive Circumferential tensile Longitudinal Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rate of filtrate delivery is inversely proportional to the Viscosity of filtrate Filtering area & the pressure difference driving force Both A & B Cake & filter medium resistance Viscosity of filtrate Filtering area & the pressure difference driving force Both A & B Cake & filter medium resistance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 80-100 10-20 1-5 0.1-0.5 80-100 10-20 1-5 0.1-0.5 ANSWER DOWNLOAD EXAMIANS APP
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