USCG USCG General Eng
Set 4 • Question #337 of 498
Launch Interactive Practice Room A good quality oil used in main propulsion engine lubrication systems should be __________.
A
free from all chemical additives
B
quickly chemically oxidized
C
resistant to permanent emulsification
✓ Correct Answer
D
readily saponified with water
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A good quality oil used in main propulsion engine lubrication systems should be', the standard operating requirement is: 'resistant to permanent emulsification'.
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