单项选择题
What safety precautions should be observed by the crew while working around machinery in an engine room?（）
A.They should wear safety shoes
B.They should wear ear protection
C.They should not wear jewelry
D.All of the above
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相关考题
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The word "discharge" as used in Pollution Prevention Regulations applies to oil （）.
A.leaked into navigable waters
B.poured into navigable waters
C.pumped into navigable waters through a fixed piping system
D.all of the above -
单项选择题
If fuel tank levels are found to have increased after a grounding, you should suspect （）.
A.a damaged pneumercator line
B.a puncture, crack, or hole in the skin of the vessel
C.improper record keeping of fuel transfer activities
D.contamination of the contaminated steam supply system -
单项选择题
An International Oil Pollution Prevention Certificate (IOPP) for a "new" vessel ceases to be valid if （）.
A.it exceeds 3 years from date of issue
B.an alteration approved by the Captain of the Port is made
C.an intermediate survey has not be conducted within 12 months from the date that the IOPP was issued
D.the vessel is transferred to the flag of another country
