Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 35 5 20 55 35 5 20 55 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 Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) More than that for fluid flow Same as that for fluid flow Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) More than that for fluid flow Same as that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing From rolled strips formed into cylinders and seam-welded Both B and C By extrusion & casting into static and centrifugal molds By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing From rolled strips formed into cylinders and seam-welded Both B and C By extrusion & casting into static and centrifugal molds ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of 0.25 to 0.50 0.5 to 0.8 0.05 to 0.15 0.8 to 0.9 0.25 to 0.50 0.5 to 0.8 0.05 to 0.15 0.8 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 3.8 0.5 6.8 1.2 3.8 0.5 6.8 1.2 ANSWER DOWNLOAD EXAMIANS APP