Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 12.5 45.5 30.5 5.5 12.5 45.5 30.5 5.5 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 = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels. Thin shperical (e.g. Horton sphere) Thick walled vertical Horizontal None of these Thin shperical (e.g. Horton sphere) Thick walled vertical Horizontal None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)2/3 (1.2)3/5 (1.2)5/3 (1.2)3/2 (1.2)2/3 (1.2)3/5 (1.2)5/3 (1.2)3/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 2.5 1.75 3.5 1.25 2.5 1.75 3.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Slope of countercurrent flow rotary drier is in the range of __________ meter/metre. 0 to 2.2 0 to 0.8 0 to 0.08 0 to 1.5 0 to 2.2 0 to 0.8 0 to 0.08 0 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
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