单选题What is NOT required on an uninspected towing vessel? ()ACertificate of DocumentationBCertificate of InspectionCOperators Merchant Marine licenseDFCC Station License
单选题
What is NOT required on an uninspected towing vessel? ()
A
Certificate of Documentation
B
Certificate of Inspection
C
Operators Merchant Marine license
D
FCC Station License
参考解析
解析:
暂无解析
相关考题:
单选题水线以下船壳破洞的堵法说法错误的()A水线以下直径小于100mm的小孔,可用吸水发涨的软木塞堵住B小于堵漏板的洞可用堵漏板堵住,排水后再用水泥箱堵漏C大于堵漏板的洞先用堵漏毯堵住,排水后再用水泥箱堵漏
单选题In a diesel engine cooling water system, a pH of 60 indicates a/an ().Aslightly acidic conditionBslightly alkaline conditionCovertreatment of waterDneutral condition of water
单选题Which of the following statements is true concerning the cetane number rating of diesel fuel? ()AThe cetane number is obtained by comparing the fuel with cetane a colorless liquid hydrocarbonBThe higher the cetane number, the shorter the ignition lagCThe highest cetane number of fuel is 100DAll of the above
单选题船舶航向稳定性与其长宽比L/B和方型系数有关:().A长宽比L/B越大、方型系数越大,航向稳定性越好B长宽比L/B越小、方型系数越小,航向稳定性越好C长宽比L/B越大、方型系数越小,航向稳定性越好D长宽比L/B越小、方型系数越大,航向稳定性越好
单选题短时间内不能安全脱险的搁浅船舶,应设法固定船体,其目的是:().Ⅰ.避免在风流作用下向岸漂移Ⅱ.避免在风流作用而造成打横Ⅲ.避免在涌浪作用而造成墩底Ⅳ.避免在风流作用下造成尾淹AⅠ~ⅣBⅠ~ⅢCⅠ、ⅢDⅡ、Ⅳ
单选题根据《驾驶、轮机联系制度》,下列哪些叙述正确()。 Ⅰ.船长应提前24小时将预计开航时间通知轮机长; Ⅱ.航行中如遇突发情况,值班轮机员接到通知后应立即备妥主机; Ⅲ.抵港后船长应将本船预计动态告知轮机长以便安排工作; Ⅳ.主机冲车前,值班轮机员应征得值班驾驶员的同意。AⅠ~ⅢBⅠ、Ⅱ、ⅣCⅡ~ⅣDⅠ~Ⅳ
单选题分油机分离效果不良,可能是由于分油机的()。A水封水太少B重力环选择不当C净油泵排油不良D工作水箱液位过低