單項(xiàng)選擇題

Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?（）

A.Carbon dioxide is corrosive when exposed to fire
B.Carbon dioxide should be applied slowly to a large engine room fire
C.Its total cooling effect is far greater than water
D.Its smothering effect is excellent for class B fires

你可能感興趣的試題

單項(xiàng)選擇題

If fuel is burned from only the starboard tanks, the ship will （）.

A.go down by the head
B.list to starboard
C.trim by the stem
D.list to port

單項(xiàng)選擇題

In cleaning up an oil spill, the use of chemical agents would （）.

A.absorb the oil for easy removal
B.remove the oil from the water
C.disperse or dissolve the oil in the water
D.not affect the oil

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?（）

你可能感興趣的試題

If fuel is burned from only the starboard tanks, the ship will （）.

In cleaning up an oil spill, the use of chemical agents would （）.

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久