Process Equipment and Plant Design In perforated plate towers, the Total hole area may be around 6 to 15% of tower cross-sectional area All of these Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" Total hole area may be around 6 to 15% of tower cross-sectional area All of these Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylindrical storage tank can have a self supported conical roof, Irrespective of its diameter If the thickness of the roof is more than that of the cylindrical shell If its diameter is less than 15-20metres If its diameter is more than 50 meters Irrespective of its diameter If the thickness of the roof is more than that of the cylindrical shell If its diameter is less than 15-20metres If its diameter is more than 50 meters ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is Deformation Bending Elongation Shear Deformation Bending Elongation Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 16 19 28 38 16 19 28 38 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow Less than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
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