One of the limitations of foam as an extinguishing agent is that foam ______.A.cannot be made with salt waterB.is heavier than oil and sinks below its surfaceC.is corrosive and a hazard to fire fightersD.conducts electricity
One of the limitations of foam as an extinguishing agent is that foam ______.
A.cannot be made with salt water
B.is heavier than oil and sinks below its surface
C.is corrosive and a hazard to fire fighters
D.conducts electricity
相关考题：
There are many little limitations on our language, limitations___.(Thinking of Words) A. Resulting entirely from personal inclinationB. That are willful and despoticC. Created at random or without reasonD. Determinable by decision of a judge
在安全审计系统中，审计Agent（代理）是直接同被审计网络和系统连接的部分，审计Agent主要可以分为网络监听型Agent、（）、主动信息获取型Agent等。A.流量检测AgentB.文件共享AgentC.入侵检测AgentD.系统嵌入型Agent
As an extinguishing agent, foam ______.A.conducts electricityB.should be directed at the base of the fireC.is most efffective on buring gases which are flowingD.extinguishes by cooling oil fires below ignition temperature
Foam-type portable fire extinguishers are most useful in combating fires involving ______.A.solid materials such as wood or bales of fiberB.inflammable liquidsC.electrical equipmentD.metallic solids
Foam特效中的Physics即物理属性控制在逼真模拟中相当重要，要使得气泡往预想的方向飘动，应该对（）进行数值调整。