Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 200-250 750-1000 50-75 25-50 200-250 750-1000 50-75 25-50 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 __________ dished head is the strongest of all. Hemispherical Torispherical Elliptical None of these Hemispherical Torispherical Elliptical None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Reducing scale deposition Increasing pressure drop Creating turbulence Fixing the tubes Reducing scale deposition Increasing pressure drop Creating turbulence Fixing the tubes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Temperature Turbulence Pressure/pressure fluctuation Noise Temperature Turbulence Pressure/pressure fluctuation Noise ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 mm 6.5 cms Equal to tube O.D Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D Equal to tube I.D ANSWER DOWNLOAD EXAMIANS APP