Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 5000 3000 10000 1000 5000 3000 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D⁵ D² 1/D 1/D² 1/D⁵ D² 1/D 1/D² 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 Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required None of these Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Nominal size of a pipe is an indication of its __________ diameter. None of these Inner Approximate Outer None of these Inner Approximate Outer ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger. The corrosive and fouling fluid should be preferably routed through the tubes Higher pressure fluid stream should be routed through the shell side The viscous fluid should be routed through the shell side Lower flow rate fluid should be routed through the shell side The corrosive and fouling fluid should be preferably routed through the tubes Higher pressure fluid stream should be routed through the shell side The viscous fluid should be routed through the shell side Lower flow rate fluid should be routed through the shell side ANSWER DOWNLOAD EXAMIANS APP
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