Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 20 < 50 < 7 > 7 < 15 < 30 > 20 < 50 < 7 > 7 < 15 < 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.) -q -q/(1-q) None of these -q/(q-1) -q -q/(1-q) None of these -q/(q-1) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column? Plate spacing Vapour velocity in the volume between the plates Depth of liquid above the bubble cap slots All of these Plate spacing Vapour velocity in the volume between the plates Depth of liquid above the bubble cap slots All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Excessive liquid gradient on a tray may result in the Maldistribution of gas All of these Gas blowing beneath cap skit Back trapping Maldistribution of gas All of these Gas blowing beneath cap skit Back trapping ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Increases upwards Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Remains same throughout Increases upwards Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Remains same throughout ANSWER DOWNLOAD EXAMIANS APP
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