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Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.
In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be
Which of the following statements about vacuum gauges are correct? Statement 1: Thermal vacuum gauges sense the cooling effect of a heated filament. Statement 2: Thermal vacuum gauges designed to measure high pressures.
Which of the following part vacuum is referred to as a ported vacuum in a vacuum advance type?
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
If the amount of the steam used in steam distillation is increased, the temperature of distillation
Large number of flash distillation equals a differential distillation.
Fractional distillation is different from distillation because of the presence of ____________