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The tops of vents from gasoline tanks should terminate ______．
A.in open air
B.inside cabins
C.in machinery space
D.underwater
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更多 “ The tops of vents from gasoline tanks should terminate ______．A.in open airB.inside cabinsC.in machinery spaceD.underwater ” 相关考题
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enter from the lowest levelC
enter from the highest levelD
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单选题To improve your vessel’s stabilty in a hazardous situation, you should（）.A
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单选题When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）A
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单选题Gasoline tanks should be filled（）.A
to the top to expel all vapors from the tanksB
to the top so the operator is certain how much fuel he has aboardC
with only sufficient fuel for the planned trip so excess gasoline is not carriedD
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单选题The discharge from a carbon dioxide fire extinguisher should be directed（）.A
at the base of the flamesB
at the center of the flamesC
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单选题Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.A
be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machineryB
have a guard over the gearingC
be painted a contrasting color from the base color in order to call attention to the gearingD
not be operated if there is any crew within 10 feet of the machinery
考题
单选题The tops of vents from gasoline tanks should terminate（）.A
in open airB
inside cabinsC
in machinery spaceD
underwater
考题
单选题Which of the following is NOT on the list items to be recorded in Oil Record Book Part I (machinery space operation)?（）A
Accidental discharge of oilB
Disposal of oil residuesC
Quantity of water produced by FWGD
Discharge of dirty ballast or cleaning water from fuel oil tanks
考题
单选题While underway and towing an unmanned tank barge you are required to（）.A
maintain a strict watch on the barge from the towing vesselB
fly a red flag from the towing vesselC
open the tops of all empty tanks on the bargeD
take hourly soundings of any loaded tanks on the barge
考题
单选题Where should the tops of vents from gasoline tanks terminate?（）.A
In open airB
Inside cabins near the overheadC
In the machinery space near the engine air intakeD
Underwater
考题
单选题After fuel tanks have been topped off, which of the listed procedures should be followed next?（）A
The pressure-vacuum relief valve should be resetB
The tanks should be made seaworthy to prevent contaminationC
The tanks should be sounded to make sure the levels are not risingD
The tanks should be marked with a bull stamp on the manifold filling valve
考题
单选题“Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired, or at least patched up temporarily until the next stop” This sentence means that （）.A
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the spotB
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the next port of callC
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired until the next stopD
Any leaks in piping, propeller shaft, machinery, tanks, will have to be at least patched up
考题
单选题Gasoline fuel tank vents should terminate（）.A
in the engine compartmentB
in the fuel tank spaceC
above or outside the hullD
at the most convenient location
考题
单选题When fueling has been completed（）.A
the fuel tank fill pipe should be left open to allow vapors to vent from the tankB
the engine should be started immediately to prevent vapor lock in the fuel lineC
all hatches should be opened and all compartments should be ventilatedD
open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
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单选题In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.A
open and individual tank valves openB
open and the individual tank valves closedC
closed and the individual tank valves closedD
closed and the individual tank valves open
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