Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Tall vertical Small horizontal Large horizontal Thick walled Tall vertical Small horizontal Large horizontal Thick walled ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs. Floating Flat Fixed Conical Floating Flat Fixed Conical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Triangular pitch Heat transfer rate is independent of tube arrangement Square pitch Diagonal square pitch Triangular pitch Heat transfer rate is independent of tube arrangement Square pitch Diagonal square pitch 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 = 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) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these Lower fixed charges for the column Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these Lower fixed charges for the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 18 6 34 12 18 6 34 ANSWER DOWNLOAD EXAMIANS APP
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