Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.6 √t D = 3√t D = 1.5 t D = 1.1 t D = 1.6 √t D = 3√t D = 1.5 t D = 1.1 t 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 normal range of velocity of water in pipes is __________ m/sec. 15-30 0.1-0.5 1-2 10-50 15-30 0.1-0.5 1-2 10-50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Fouling fluids Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Double pipe heat exchanger Fouling fluids Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required None of these Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required None of these Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 10 15 2 5 10 15 2 5 ANSWER DOWNLOAD EXAMIANS APP
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