A.MRCC
B.SOSREP
C.MCA
D.3A
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A.Foam conducts electricity
B.To be most effective，foam should be directed at the base of the fire
C.Foam is most effective on burning liquids which are flowing
D.Foam can ONLY be used to extinguish class A fires
A.Give them brandy
B.Keep them in motion
C.Immerse them in a warm bath (105°F，40°C)
D.Cover them with an electric blanket set for maximum temperature
A.Foam should not be used on electrical fires
B.One kilo of low expansion foam solution produces much more foam
C.Foam is only efficient when it covers the top of burning combustibles
D.A stream of foam should be deflected off the deck in order to best agitate the fire
A.Stranding or grounding
B.Striking upon rocks or shoals
C.Collision between ships
D.Fire
A.Check the tag to see when the extinguisher was last charged
B.Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptable
C.Weigh the extinguisher and compare the weight against that stamped on the valve
D.Recharge the extinguisher at least once each year
最新試題
In case of your steering gear failed，（）should be exhibited in shapes or lights.
When starting CPR on a drowning victim，you should（）.
You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.
Downwind for 1 miles，alter to starboard 90 degrees，go down this course for 1 mile；Then alter 90 degrees to starboard and go down this course for 2 miles；Then alter 90 degrees to starboard and go down this course for 2 miles；Keep adding 1 mile ever time you alter to starboard．This operation is（）search pattern
The self-contained breathing device should not be used in which situation（）.
The indication of a slipping anchor is a（n）（）.
The key to rescuing a man overboard is（）.
Under the International Code of Signals how are geographical locations such as New York City transmitted（）.
If your radiotelephone fails while underway，（）.
Changing rescuers while carrying out artificial respiration should be done（）.