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 = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 20-40 1000-1500 100-150 43835 20-40 1000-1500 100-150 43835 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is More Less Cither A or B; depends upon the I.D. of the pipe Same More Less Cither A or B; depends upon the I.D. of the pipe Same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made Both B and C By extrusion & casting into static and centrifugal molds From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing Both B and C By extrusion & casting into static and centrifugal molds From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Equal to One fourth Half Three fourth Equal to One fourth Half Three fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Large horizontal Thick walled Small horizontal Tall vertical Large horizontal Thick walled Small horizontal Tall vertical ANSWER DOWNLOAD EXAMIANS APP
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