Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/20th 1/50th 1/30th 1/10th 1/20th 1/50th 1/30th 1/10th 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 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid Cool the liquid before it flows down Reduce the discharge fluctuation Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid Cool the liquid before it flows down Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is Called tube clearance None of these Called tube pitch Always less than the diameter of the tube Called tube clearance None of these Called tube pitch Always less than the diameter of the tube 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 30 > 20 > 10 < 10 30 > 20 > 10 < 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Power required for agitation depends upon the Agitator type & speed of agitation Height & properties of the liquid All of these Size of agitator & the tank Agitator type & speed of agitation Height & properties of the liquid All of these Size of agitator & the tank ANSWER DOWNLOAD EXAMIANS APP
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