Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 2.5 17.5 12.5 5 2.5 17.5 12.5 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) A/P √A 4 P/A 4 A/P A/P √A 4 P/A 4 A/P ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Hemispherical Conical Ellipsoidal (2 : 1) Flat plate Hemispherical Conical Ellipsoidal (2 : 1) Flat plate 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. 5 to 10 40 to 50 55 to 75 15 to 30 5 to 10 40 to 50 55 to 75 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption ANSWER DOWNLOAD EXAMIANS APP
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