Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Twice Half Four times Equal to Twice Half Four times Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ strain is measured using a 'strain rosetter'. Shear None of these Linear Volumetric Shear None of these Linear Volumetric 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 = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 30 35 10 20 30 35 10 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 55 to 75 40 to 50 5 to 10 15 to 30 55 to 75 40 to 50 5 to 10 15 to 30 ANSWER DOWNLOAD EXAMIANS APP