Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43832 2 43834 4 43832 2 43834 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Results in higher pressure drop per tray Leads to high tray efficiency Neither A nor B Both A & B Results in higher pressure drop per tray Leads to high tray efficiency Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of Making the joint leak proof Preventing the local overstressing of the shell around the opening None of these Reduction of discontinuity in shape at the junction Making the joint leak proof Preventing the local overstressing of the shell around the opening None of these Reduction of discontinuity in shape at the junction 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 = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Avoiding vortex formation Enhancing mixing rate Creating turbulence Relieving excess pressure Avoiding vortex formation Enhancing mixing rate Creating turbulence Relieving excess pressure ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Decreases upwards Increases upwards Remains same throughout May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Increases upwards Remains same throughout May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell ANSWER DOWNLOAD EXAMIANS APP
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