Process Equipment and Plant Design Maximum plate efficiency is achieved in case of __________ flow. Reverse Cross Cascade Split Reverse Cross Cascade Split ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 5.5 45.5 30.5 12.5 5.5 45.5 30.5 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of 0.5 to 0.8 0.25 to 0.50 0.05 to 0.15 0.8 to 0.9 0.5 to 0.8 0.25 to 0.50 0.05 to 0.15 0.8 to 0.9 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 = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 30 5 10 20 30 5 10 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are less prone to fouling None of these Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling None of these Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less ANSWER DOWNLOAD EXAMIANS APP
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