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