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 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 Di, opt = 3.9 Q0.45 . μ0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the Viscosity of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid None of these Viscosity of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column? Depth of liquid above the bubble cap slots Plate spacing Vapour velocity in the volume between the plates All of these Depth of liquid above the bubble cap slots Plate spacing Vapour velocity in the volume between the plates All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser. Thrice Half Five times Twice Thrice Half Five times Twice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is < 10 30 > 20 > 10 < 10 30 > 20 > 10 ANSWER DOWNLOAD EXAMIANS APP
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