海船船员考试
单选题当船舶机舱失火需使用CO2固定灭火系统时，下列做法哪些是正确的（）。 Ⅰ．通知人员迅速撤离； Ⅱ．封闭一切开口及通风； Ⅲ．停止锅炉燃烧，关闭运转的机械； Ⅳ．根据火情逐次施放所需的灭火剂。A Ⅰ～ⅢB Ⅰ～ⅣC Ⅱ～ⅣD Ⅰ、Ⅱ、Ⅳ
题目
Ⅰ～Ⅲ
Ⅰ～Ⅳ
Ⅱ～Ⅳ
Ⅰ、Ⅱ、Ⅳ
相似问题和答案
第1题：
increase thermal efficiency
cause clogging of the fuel system
increase the ability of the engine to start in cold weather
produce corrosion in the cylinder and exhaust system at low loads
第2题：
气温
大气运动
湿度
气压
第3题：
always move slowly
are in one place only
sometime move sometime don‟t move
are synchronizing with the movement of the earth
第4题：
化学未完全燃烧
散热
机械未完全燃烧
排烟
第5题：
stop the engine by cutting off the cooling water supply
stop the engine by closing the air intake
slow the engine but not stop it
slow the engine to half of normal load
第6题：
ignores the effect of surface currents
is most useful when in sight of land
must be plotted using magnetic courses
may be started at an assumed position
第7题：
bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied
bilge system will lose vacuum and prevent the other bilges from being pumped out
bilge well aft connected to that valve will siphon its contents to the forward bilge wells
discharge pressure will be too high
第8题：
气缸盖
气缸套
弹簧
压力容器
第9题：
第10题：
引航过程中发生的事故，应在返港后24小时内提交
沿海水域外发生的事故，应在48小时内提交
对外派船员的事故责任，应在30天内提交
A和B正确