Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Fouling fluids Counter flow of hot and cold fluids Multipass shell and tube heat exchanger Double pipe heat exchanger Fouling fluids Counter flow of hot and cold fluids Multipass shell and tube heat exchanger Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 4 2 8 1/2 4 2 8 1/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be √(2d) D √d √(2πd) √(2d) D √d √(2πd) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 5.5 12.5 45.5 30.5 5.5 12.5 45.5 30.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 20 2.5 7.5 15 20 2.5 7.5 15 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 = 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 Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
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