Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Allowable vapour velocity Length of straight rectangular weir on cross-flow tray Number of theorectical plates Static submergence Allowable vapour velocity Length of straight rectangular weir on cross-flow tray Number of theorectical plates Static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop Improve the flow condition Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop Improve the flow condition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Decreases Increases Remains same Remains same, only if the number of tube passes does not change Decreases Increases Remains same Remains same, only if the number of tube passes does not change ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 5000 1000 10000 3000 5000 1000 10000 3000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Horizontal cylinderical Thick spherical Tall vertical Thick walled vertical Horizontal cylinderical Thick spherical Tall vertical Thick walled vertical 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). 750 250 450 650 750 250 450 650 ANSWER DOWNLOAD EXAMIANS APP
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