你可能感興趣的試題

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

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