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- Chief Engineer (Motor Plants (OSV)) »
- Q683 - Engineering Safety & Environmental Protection
4. During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?
Topping off fuel tanks requires reducing the pumping rate and frequently checking tank levels to prevent overfilling and spills; closing vents is unsafe, throttling valves improperly controls flow, and spill containers are ineffective.
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