單項(xiàng)選擇題Which step is NOT generally taken when gas-freeing a tank?().

A.Washing the tank interior with sea water
B.Application of degreasing solvents
C.Removal of corrosion products and sludge
D.Fresh air ventilation


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1.單項(xiàng)選擇題Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?()

A.There shall be at least 3 ventilator ducts open to the atmosphere
B.At least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilge
C.At least one intake duct shall extend from the open atmosphere to the lower portion of the bilge
D.Only vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartments

2.單項(xiàng)選擇題Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? ()

A.Each vent for the tank must be equal to the area of the tank filling line
B.The tanks must be protected by overflows
C.The total area of the vents or the overflow shall be at least equal to the area of the fill line
D.There must be twice as much vent area as the area of the fill line

3.單項(xiàng)選擇題Which is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?()

A.The garbage to be discharged will sink
B.Garbage accumulation on board has exceeded storage space
C.A person falls overboard,and a plastic ice chest is thrown for flotation
D.The destination port or terminal cannot receive garbage

4.單項(xiàng)選擇題Which area is designated a special area by Annex V to MARPOL 73/78? ()

A.Gulf of Mexico
B.Sargasso Sea
C.Red Sea
D.Great Lakes

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Vessels to which Annex V to MARPOL 73/78 applies may discharge garbage containing plastics ().

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According to Annex V to MARPOL 73/78,garbage containing plastic is permitted to be disposed of by().

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No person on board any vessel to which Annex V to MARPOL 73/78 applies may discharge garbage of any type when().

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Which substance is NOT considered to be Oil under the pollution prevention regulations? ()

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You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? ().

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A ship that,at any time,operates seaward of the outermost boundary of the territorial sea is required to prepare,submit,and maintain a(n)().

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You are on a multiple-product chemical tanker with orders to load diethylamine.What is NOT a requirement for transporting this cargo().

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You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol,benzene,and propanolamine. Which of the following is true? ()

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Which vessel in ocean service is not subject to Annex V of MARPOL 73/78? ()

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While testing a cargo tank,your oxygen indicator reads 25% oxygen in the tank. You would then ().

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