Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 6 34 12 18 6 34 12 18 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube Tube dia is 3-6 cms, while tube length in 3-6 metres Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube Tube dia is 3-6 cms, while tube length in 3-6 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always Equal to the order of reaction < 1 1 >1 Equal to the order of reaction < 1 1 >1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 10 to 15 2.5 to 5 1.5 to 2 5 to 10 10 to 15 2.5 to 5 1.5 to 2 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the value of 'q' for saturated liquid feed to a distillation column? 1 >1 1 >1 ANSWER DOWNLOAD EXAMIANS APP
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