单项选择题During oil transfer operations,who is responsible for ensuring that the posted transfer procedures are followed?().

A.The designated person in charge
B.The tankerman
C.The senior able seaman
D.The oiler


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1.单项选择题Chemical Tankers are generally referred to the cargo ships constructed or adapted and used for the carriage of().

A.liquid chemicals in bulk
B.solid chemicals in bulk
C.chemicals in bulk
D.cargoes in bulk

2.单项选择题Before you start an engine in a compartment,it’s MOST important to().

A.check the flame arrester
B.check the fuel tank
C.check the battery
D.ventilate the bilges

4.单项选择题Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?()

A.A cargo handling room
B.A space in which cargo hose is stored
C.An enclosed space containing cargo piping
D.All of the above

7.单项选择题A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from().

A.filling completely
B.developing free surface
C.developing free surface moment
D.collapsing

8.单项选择题A virtual rise in the center of gravity of a ship may be caused by().

A.filling a partially filled tank
B.using fuel from a pressed fuel tank
C.emptying a partially filled tank
D.transferring pipe from the setback area to the pipe rack

9.单项选择题A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?().

A.The tanks lie above the waterline and are filled
B.The tanks are partially filled with dry cargo
C.The tanks are partially filled with liquid cargo
D.The tanks are filled and lie below the waterline

10.单项选择题A tankerman who permits or causes oil to go into a navigable waterway may be punished federally by().

A.fine
B.imprisonment
C.suspension or revocation of tankerman's document
D.All of the above