我
- A.reduce the draft of the barge
- B.shorten one leg of the bridle
- C.place bulky deck loads as far aft as possible
- D.trim the barge down by the bow
- A.Cargo warning signs on barge
- B.Cargo information card on barge
- C.Cargo information card in pilothouse
- D.Certificated tankerman on towboat
- A.raise the free legs all the way
- B.use the engines to rotate about the leg that is stuck
- C.jack the barge down part way to pull the leg free
- D.submerge the barge completely to give added pull
- A.Less than the flammable range
- B.Within the flammable range
- C.Over the flammable range
- D.The explosimeter is defective and giving a false reading
- A.use separation cloths between the deck and cargo
- B.place the cargo on a layer of spaced dunnage
- C.hose down the deck before loading the cargo
- D.use bag-on-bag stowage
- A.One
- B.Two
- C.Three
- D.Four
- 5
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Which statement about entering into a tank which has been sealed for a long time is TRUE ________．
- A.The tank should be tested only once to ensure the oxygen content is at least 14% before entry
- B.The tank must be tested at frequent intervals to ensure that hazardous gasses have not regenerated
- C.The tank need not be tested for oxygen content if it is ventilated for more than 24 hours
- D.If the oxygen content tests at less than 12% you should wear an approved gas mask
- A.Customs Service
- B.MSA
- C.Bureau of Shipping
- D.National Cargo Bureau
- A.One officer assigned to oversee the initial loading and lashing
- B.All lashings should be completed before leaving port
- C.Periodic inspection and retensioning of lashings during the voyage
- D.All of the above
- A.Buckle or ratchet tensioner
- B.Webbing
- C.Chain
- D.All of the above
