Process Equipment and Plant Design A cylindrical storage tank can have a self supported conical roof, Irrespective of its diameter If its diameter is less than 15-20metres If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell Irrespective of its diameter If its diameter is less than 15-20metres If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its Non-corrosive condensate Low cost High latent heat High film co-efficient Non-corrosive condensate Low cost High latent heat High film co-efficient 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. Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice 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 = 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 10 to 20 4 to 10 1 to 2 20 to 30 10 to 20 4 to 10 1 to 2 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
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