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). 650 450 250 750 650 450 250 750 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Higher structural strength None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength None of these Lowest surface area requirement for a given volume Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger? 75% cut segmental baffle Disk and doughnut baffle Orifice baffle 25% cut segmental baffle 75% cut segmental baffle Disk and doughnut baffle Orifice baffle 25% cut segmental baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its High film co-efficient Non-corrosive condensate Low cost High latent heat High film co-efficient Non-corrosive condensate Low cost High latent heat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The raio, (properller agitator dia/tank dia) is normally taken as 0.75-0.85 0.15-030 0.60-0.90 0.5-0.65 0.75-0.85 0.15-030 0.60-0.90 0.5-0.65 ANSWER DOWNLOAD EXAMIANS APP
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