Process Equipment and Plant Design Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs. Conical Floating Fixed Flat Conical Floating Fixed Flat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 5.5 12.5 30.5 45.5 5.5 12.5 30.5 45.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Small downcomer liquid seal Lower static submergence Lower skirt clearance Liquid gradient on the tray Small downcomer liquid seal Lower static submergence Lower skirt clearance Liquid gradient on the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Static submergence None of these Skirt clearance Downcomer liquid seal Static submergence None of these Skirt clearance Downcomer liquid seal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) L/Z.H.ρ Z.H/L.ρ H.ρ/L Z.H.ρ/L L/Z.H.ρ Z.H/L.ρ H.ρ/L Z.H.ρ/L ANSWER DOWNLOAD EXAMIANS APP
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