Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. Torispherical Flat plate Ellipsoidal Hemispherical Torispherical Flat plate Ellipsoidal Hemispherical 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 = 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is 0.75 0.25 0.5 1.25 0.75 0.25 0.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Equal to Twice Half Eight times Equal to Twice Half Eight times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Fouling fluids Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Fouling fluids Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
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