Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Aluminium Carbon steel Copper Stainless steel Aluminium Carbon steel Copper Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. Decreases Remains same None of these Increases Decreases Remains same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.5 to 3 2.5 1.3 to 2 1.6 to 2 1.5 to 3 2.5 1.3 to 2 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by (p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around 180 and 300 5 and 10 300 and 500 45 and 75 180 and 300 5 and 10 300 and 500 45 and 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the None of these Smaller reactor should come first Equal sized reactors are the best Larger reactor should come first None of these Smaller reactor should come first Equal sized reactors are the best Larger reactor should come first ANSWER DOWNLOAD EXAMIANS APP
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