单项选择题
The discharge from a carbon dioxide fire extinguisher should be directed（）.
A.at the base of the flames
B.at the center of the flames
C.to the lee side of the flames
D.over the tops of the flames
点击查看答案&解析
相关考题
-
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 -
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
