Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 4 to 8 6 to 12 2 to 3 3 to 5 4 to 8 6 to 12 2 to 3 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon Clearance Pitch None of these Baffle spacing Clearance Pitch None of these Baffle spacing 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. 1/2 8 2 4 1/2 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. Decreases None of these Increases Remains same Decreases None of these Increases Remains same 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 = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dh)/ph (ph - dt)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dh)/ph (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
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