Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is 1 0 Minimum ∞ 1 0 Minimum ∞ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation? Ponchon-Savarit method Sorel-Lewis method McCabe-Thiele's method None of these Ponchon-Savarit method Sorel-Lewis method McCabe-Thiele's method None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray Low gas velocity Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity Low reflux ratio High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 2.5-3.0 15-20 5-7.5 10-12.5 2.5-3.0 15-20 5-7.5 10-12.5 ANSWER DOWNLOAD EXAMIANS APP
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