Process Equipment and Plant Design Height of the flights in the rotary drier is in the range of 0.5 to 0.6 d 0.2 to 0.5 d 0.02 to 0.05 d 0.08 to 0.12 d 0.5 to 0.6 d 0.2 to 0.5 d 0.02 to 0.05 d 0.08 to 0.12 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In condenser, the cooling water is passed in the tube side in a pass arrangement, because It makes condenser compact Pressure drop is reduced More thinner tubes can be used It reduces heat transfer area It makes condenser compact Pressure drop is reduced More thinner tubes can be used It reduces heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Laminar flow Eddy diffusivity = 0 Complete back mixing Plug flow Laminar flow Eddy diffusivity = 0 Complete back mixing Plug flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Turbulence Noise Temperature Pressure/pressure fluctuation Turbulence Noise Temperature Pressure/pressure fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Lower limit of vapour velocity Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing Lower limit of vapour velocity Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing ANSWER DOWNLOAD EXAMIANS APP