A、It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B、It absorbs heat from materials that could cause reignition
C、Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D、Once the surface is blanketed with foam and the fire is extinguished，no further foam is required
更多“What is an advantage of using foam in fire fighting?（）”相关的问题
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A、Increases battery life B、Better Bit Error Rate (BQRE) C、Higher strength D、Increased bit rate E、Better voice quality
A、A.Flexibility of operation B、B.Greater operational safety C、C.Lower stevedoring costs D、D.Reduction of cargo damage
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A、Faster response from ahead to astern B、Less fuel consumption C、Cheaper initial installation cost D、Less weight per unit of horsepower
A、A.Compass error is negligible at or near the earth's magnetic poles B、B.It does not have to be checked as often C、C.It is reliable due to it's essential simplicity D、D.All points on the compass rose are readily visible
A、Each process has its own protected memory space B、Each process is started manually by the user at boot C、All processes are dependent on each other D、Multiple processes allow each routing protocol to be independent
A、Each process has its own protected memory space B、Each process is started manually by the user at boot C、Aall processes are dependent on each other D、Multiple processes allow each routing protocol to be independent
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