Question 96General Subjects - 1st Asst/Chief

70% to pass

If the demister used in the device shown in the illustration is improperly installed, which of the following will occur? Illustration MO-0110

Diagram for USCG General Subjects Chief: If the demister used in the device shown in the illustration is improperly...
AThe temperature of the device will decrease.
BInterstage leakage will cause a decrease in output.
CThe vacuum of the device will increase.
DThere will be an increase of chlorides measured at the distillate pump salinity cell.
AI Explanation

The correct answer is D) There will be an increase of chlorides measured at the distillate pump salinity cell. If the demister in the device shown in the illustration is improperly installed, it can lead to carryover of brine or saltwater into the distillate. This would result in an increase in the chloride content measured at the distillate pump salinity cell, as the improperly installed demister would not be effectively removing the salts from the distillate. The other answer choices are incorrect because they do not directly relate to the impact of an improperly installed demister. A decrease in temperature, interstage leakage, or an increase in vacuum would not necessarily be the direct result of this issue.

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