Question 40General Subjects - 1st Asst/Chief70% to pass
Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator are removed by the _______________.
AI Explanation
The correct answer is D) demisters.
In a flash-type evaporator, small droplets of water entrained in the flashed vapor are removed by demisters. Demisters are devices that use wire mesh, perforated plates, or other specialized materials to capture and coalesce these fine water droplets, allowing the purified vapor to continue through the system.
The other options are incorrect because: A) spray pipes are used to distribute the feed water, not remove entrained droplets; B) condensers condense the purified vapor, but do not specifically remove the entrained droplets; and C) splash baffles help to direct the flow of the liquid, but do not primarily function to remove the fine water droplets from the vapor.
Related Questions
#38 Feed water supplied to a flash type distilling plant will flash to vapor in the first-stage due to _______________.#39 The vacuum maintained in the salt water feed heater shell of a flash-type evaporator is generally accomplished by _______________.#41 Regarding the low pressure evaporator steam control orifice in the live steam supply line, the steam at the outlet of the orifice if not properly conditioned will be developed as _______________.#42 Under normal operating conditions, the highest temperature and pressure conditions existing for flash-type evaporators will occur in the _______________.#43 Where a two-stage air ejector set is used in a two-stage flash evaporator, the first-stage air ejector takes suction from the second stage of the evaporator, and the second stage air ejector _______________.