Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell. More than Not less than one fifth of Not greater than Both B and C More than Not less than one fifth of Not greater than Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Both A & B Pressure drop is proportional to the square Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Both A & B Pressure drop is proportional to the square 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. Remains same Decreases None of these Increases Remains same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 2 ft irrespective of (for column > 3 ft diameter) 0.6-0.8 times Twice Equal to 2 ft irrespective of (for column > 3 ft diameter) 0.6-0.8 times Twice Equal to 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 = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ ANSWER DOWNLOAD EXAMIANS APP
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