What is an area located at the bottom of a vessel that receives and temporarily stores drainage from the lowest point in that vessel?
A) Sump
B) Mixer
C) Manway
D) Gauge hatch
Answer: A
Explanation: A) Correct. A sump is an area located at the bottom of a vessel that receives and temporarily stores drainage from the lowest point in that vessel.
B) Incorrect. A mixer is a device used to combine chemicals or other substances.
C) Incorrect. A manway is an opening in a vessel that permits entry for inspection and repair.
D) Incorrect. A gauge hatch is an opening on the roof of a tank that is used to check tank levels and obtain samples of the tank contents.
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