Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? All of these Lessig rings Raschig rings Cross-partition rings All of these Lessig rings Raschig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for None of these Low viscosity liquids (< 200 poise) Large diameter tanks High viscosity liquids (> 600 poise) None of these Low viscosity liquids (< 200 poise) Large diameter tanks High viscosity liquids (> 600 poise) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 5 to 10 0.01 to 1 1.5 to 2.5 10 to 20 5 to 10 0.01 to 1 1.5 to 2.5 10 to 20 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 Bending Elongation Deformation Shear Bending Elongation Deformation Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels. Horizontal None of these Thin shperical (e.g. Horton sphere) Thick walled vertical Horizontal None of these Thin shperical (e.g. Horton sphere) Thick walled vertical ANSWER DOWNLOAD EXAMIANS APP
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.) 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 L/Z.H.ρ ANSWER DOWNLOAD EXAMIANS APP
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