Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) L/Z.H.ρ Z.H/L.ρ H.ρ/L Z.H.ρ/L L/Z.H.ρ Z.H/L.ρ H.ρ/L Z.H.ρ/L 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 By extrusion & casting into static and centrifugal molds Both B and C 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 By extrusion & casting into static and centrifugal molds Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Containing suspended solids flows at high velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity Containing suspended solids flows at high velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the centre of a rivet hole to the nearest edge of the plate is called Back pitch Margin None of these Pitch Back pitch Margin None of these Pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Corner torus section and central dished section Straight flange section and corner torus section Central dished section and straight flange section Central dished section and corner torus section Corner torus section and central dished section Straight flange section and corner torus section Central dished section and straight flange section Central dished section and corner torus section ANSWER DOWNLOAD EXAMIANS APP
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