單項(xiàng)選擇題A 30,000 DWT tanker is required to have an IOPP certificate when()

A.engaged in the coastwise trade
B.going foreign
C.calling at ports in another country signatory to MARPOL 73/78
D.carrying cargoes listed in the MARPOL regulations


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1.單項(xiàng)選擇題Before welding can be done in a tank that has carried petroleum products,a certificate must be obtained from().

A.the Customs
B.the Register Bureau of Shipping
C.the Shipyard Fire Department
D.a certified gas chemist

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If a leak occurred while loading diethylenetriamine,the chemical data guide indicates you would smell an odor similar to().

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The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products,while simultaneously cooling the inert gas,is called the().

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Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in ().

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Using an inert gas system on a tanker has which advantage(s)? ()

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