單項選擇題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


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1.單項選擇題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

2.單項選擇題Which of the following liquids can ordinarily be discharged overboard without being processed through an oily water separator?（）

A.Cargo tank ballast
B.Segregated ballast
C.Engine room bilges
D.Cargo pump room bilges

3.單項選擇題To determine that a compartment contains sufficient oxygen to sustain life, you should use a/an （）.

A.explosimeter
B.oxygen indicator
C.fresh air indicator
D.all of the above

4.單項選擇題An oxygen indicator will detect （）.

A.concentrations of explosive gas
B.an oxygen deficiency in a space
C.the presence of harmful amounts of carbon monoxide
D.All of the above

5.單項選擇題The term "oily mixture", as defined in the Pollution Prevention Regulations includes （）.

A.sludge
B.oily ballast water
C.bilge slops
D.All of the above