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
Which statement about firefighting foam is TRUE?（）
When a rescue vessel approaches a lifeboat in heavy seas，the person in charge of the lifeboat should（）.
If more than one raft is manned after the vessel has sunk，you should（）.
The rescuer can best provide an airtight seal during mouth-to-mouth resuscitation by pinching the victim’s nostrils and（）.
The self-contained breathing device should not be used in which situation（）.
The side of a ship which is farther from the winds is（）.
HM Coastguard is primarily（）for the initiation and co-ordination of civil maritime SAR operations in the UK.
Please（）search and rescue.
A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.