Question 430General Subjects - Assistant Engineer
70% to passWhich type of Marine Sanitation Device (MSD) is used solely for the storage of sewage and flush water at ambient air pressure and temperature?
AType I
BType II
CType III
DType IV
AI Explanation
The correct answer is C) Type III. A Type III MSD is used solely for the storage of sewage and flush water at ambient air pressure and temperature. It does not treat or disinfect the sewage in any way, but simply holds it until it can be properly disposed of onshore. This is in contrast to Type I and Type II MSDs, which actively treat the sewage using maceration and disinfection. The other options are incorrect because Type I MSDs are for sewage treatment and discharge, while Type II MSDs are for more advanced sewage treatment and discharge. Type IV MSDs are not a recognized category of Marine Sanitation Devices.
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