单项选择题

The disadvantage of using CO2 is that the（）.

A.CO2 does not cool the fire
B.cylinders are regulated pressure vessels
C.C02 is not effective on class B fires
D.C02 is not effective on class C fires

<上一题 目录 下一题>
热门 试题

单项选择题
The collision bulkhead shall be of（）.

A.water-tight
B.air-tight
C.fire-tight
D.oil-tight
单项选择题
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.

A.should
B.shall
C.that
D.if
相关试题