New piping and tubing to be installed in a hydraulic system can be safely degreased by using __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — a special petroleum solvent
In USCG Marine Engineering General Subjects, for engine room systems involving 'New piping and tubing to be installed in a hydraulic system can be safely degreased by using', the standard operating requirement is: 'a special petroleum solvent'.
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