Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 6 18 12 34 6 18 12 34 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Murphree plate efficiency Point efficiency Overall plate efficiency None of these Murphree plate efficiency Point efficiency Overall plate efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
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). 750 450 250 650 750 450 250 650 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₁² None of these D₂ - D₁ (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² None of these D₂ - D₁ (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 4 43832 2 43834 4 43832 2 43834 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a Either A or B Neither A nor B U-bend Floating head tube sheet Either A or B Neither A nor B U-bend Floating head tube sheet ANSWER DOWNLOAD EXAMIANS APP
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