Foam conducts electricity
To be most effective，foam should be directed at the base of the fire
Foam is most effective on burning liquids which are flowing
Foam can ONLY be used to extinguish class A fires
第1题：
A. They must be fully meshed
B. They can be in a different AS
C . They do not need to be directly connected
D. They must be directly connected
第2题：
Which statement about stowing spare hose is TRUE ________．
A.Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up
B.Roll the hose starting at the female end
C.Roll the hose starting at the male end
D.Fold the hose into lengths about 6 feet long and then lash the folds together
第3题：
A. A single term can be applied to a protocol or interface, independent of the policy.
B. Once configured, terms within a policy cannot be reordered.
C. The name of a term is limited to five characters.
D. A from statement is optional in a term.
第4题：
Which three statements are true about terms in a policy?（）
第5题：
Which statement is true about terms in a policy?（）
第6题：
If a fixed foam firefighting system on a ship is not of the premix type，a sample of the foam liquid must be tested by ______.
A.a Coast Guard inspection officer
B.the safety man aboard the unit
C.the designated person in charge of the unit
D.the manufacturer or his authorized representative
第7题：
Firefighting foam is only effective when the foam _____.
A.penetrates to the bottom of the fire
B.is kept saturated with low-velocity water fog
C.mixes with the burning fuel oil
D.completely covers the top of the burning liquid
第8题：
A.A
B.B
C.C
D.D
第9题：
Which statement is true about terms in a policy?（）
第10题：
Which statement is true about IBGP routers? （）