Process Equipment and Plant Design __________ tray arrangement is recommended for distillation column having diameter upto 4 ft. Radial flow Split flow Cross flow Cascade Radial flow Split flow Cross flow Cascade ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, elliptical dished heads Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 650 750 250 450 650 750 250 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to Account for thermal strain None of these Fix the tubes in position Hold baffle in space Account for thermal strain None of these Fix the tubes in position Hold baffle in space ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around 45 and 75 5 and 10 300 and 500 180 and 300 45 and 75 5 and 10 300 and 500 180 and 300 ANSWER DOWNLOAD EXAMIANS APP
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