Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they __________.
A
are exposed to a vacuum
B
come in contact with extremely hot surfaces
C
are reduced in temperature to just above the pour point
D
become extremely agitated or aerated
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Question 1 / 205eccefa1bacbc34ba4d47206
Question 1 of 205eccefa1bacbc34ba4d47206
Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they __________.
Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they __________.