Process Equipment and Plant Design In perforated plate towers, the All of these Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers All of these Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the Viscosity of the fluid None of these Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) Viscosity of the fluid None of these Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) 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 Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop. 50 25 150 75 50 25 150 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms. 25 15 1 5 25 15 1 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 35 10 30 20 35 10 30 20 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS