Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 750 450 650 250 750 450 650 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? Flat plate Conical Ellipsoidal (2 : 1) Hemispherical Flat plate Conical Ellipsoidal (2 : 1) Hemispherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 180 8 80 1 180 8 80 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical operating conditions, the pressure drop over __________ tray is the highest out of the following. Bubble cap Counterflow Valve Sieve Bubble cap Counterflow Valve Sieve ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings All of these Cross-partition rings Lessig rings Raschig rings All of these Cross-partition rings Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Lower limit of vapour velocity Hole diameter of the seive tray Height of the plate spacing Upper limit of the vapour velocity Lower limit of vapour velocity Hole diameter of the seive tray Height of the plate spacing Upper limit of the vapour velocity ANSWER DOWNLOAD EXAMIANS APP
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