Distillation Correct! Incorrect! 1. _______________ aid chemical operators to monitor the status of a column. Pressure profiles Temperature profiles Compound gauges Sight glasses View the lesson section again Correct! Incorrect! 2. Process composition can be measured both directly and indirectly. True False View the lesson section again Correct! Incorrect! 3. Which one of the following is used in the overhead system of a distillation process? reboiler valve tray condenser dryer View the lesson section again