21年海船船员预测试题6章.docx
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1、21年海船船员预测试题6章21年海船船员预测试题6章 第1章 换向时凸轮轴需要作轴向移动的是_。A.双凸轮换向B.机械差动换向C.液压差动换向D.单轴鸡心凸轮差动换向正确答案:A 某些柴油机的套管式活塞冷却机构中专设有喷管式抽吸器,其作用是_。A.增强冷却效果B.避免发生水击C.实现振荡冷却D.检修方便正确答案:B硝酸甘油是治疗心纹痛的特效药。()A、对B、错无无参考答案:A Except as provided for otherwise,an oil tanker might discharge certain amount at certain rate of oil or oily m
2、ixtures into sea when _.A.the tanker is within 50 nautical miles from the nearest landB.the tanker is no more than 50 nautical miles from the nearest landC.the tanker is more than 50 nautical miles from the nearest landD.the tanker is not more than 50 nautical miles from the nearest land正确答案:C 燃油锅炉若
3、空气量过少,则火焰是_色A.几乎无色B.白色C.浓黑色D.浅灰色正确答案:C21年海船船员预测试题6章 第2章 供应船、起重船及海上钻井船均属于特种用途的船舶。此题为判断题(对,错)。正确答案: 极低速控制.A.Low speed control .B.Inching control .C.High speed control.D.Slow speed control.正确答案:B 落水者体温下降的速度取决于_。A.水流速度B.水深C.水温正确答案:C The Bill of Lading is described as _ if the shipowners agree that the c
4、argo were received on board in good conditionA.cleanB.dirtyC.foulD.claused正确答案:A 救生衣是船上最简便的救生工具,船上人员每人配备一件。此题为判断题(对,错)。正确答案:21年海船船员预测试题6章 第3章 Deficient oxygen content inside a chain locker can be detected with _.A.litmus paperB.a combustible gas indicatorC.an oxygen breathing apparatusD.an oxygen in
5、dicator正确答案:D锚链舱内的氧气不足能够被测氧仪检测到。 Inmarsat系统中,业务代码11的含义是_。A.线路以接通B.人工转接C.自动业务D.医疗指导正确答案:B 主辅操舵装置在任何舵位转换时间不得超过_。A.2minB.3minC.5minD.10min正确答案:A A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are
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