You may BEST turn a twin-screw vessel about，to the right，i

【名词&注释】

混合物(mixture)、救生艇(boat)、防毒面具、产生器(generator)、机动船(motor vessel)、拖网渔船(trawler)、空气呼吸器(compressed air breathing apparatus)

[单选题]You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.

A. Both engines ahead and helm
B. One engine only
C. Port engine ahead and the starboard engine astern
D. Both engines astern and use helm

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学习资料：

[单选题]通过Inmarsat—C站的报文产生器误发报警信息，应向_____尽快取消误报警。

A. IMO
B. RCC
C. NCS
D. LES

[单选题]自由降落式救生艇艇员登艇后，应面向（）。

A. 艇首
B. 艇尾
C. 艇舷侧

[单选题]The water level showing in a boiler water gauge glass is usually ( ) duringworking.

A. higher than the actual drum water level
B. equal to the actual drum water level
C. increasing due to steam condensation in the glass
D. lower than actual drum wafer level

[单选题]航行中货舱灭火，如要下舱探火时，应使用：

A. 储压式空气呼吸器^{(compressed air breathing apparatus)}
B. 防毒面具
C. B均可
D. B均不可

[单选题]互见中，机动船在航时避让从事捕鱼的船舶，下列说法正确的是________。

A. 避让双船拖网的渔船，应在其船尾或两船外舷不少于0.5海里处通过
B. 应避免从两船中间通过
C. 避让单船拖网渔船^(trawler)时，应从其船尾1海里外通过
D. 以上均正确

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