轮机英语【大管甲类】

考试试题

[单选题]Air reservoirs are designed, built and tested similarly to ____.
[单选题]The crankcases of many diesel engines are kept under a slight vacuum to ( ) .
[单选题]When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding ______.
[单选题]The______is not a component of an oil separator.
[单选题]A transformer in an electric circuit serves to ____.
[单选题]The stability of a vessel is normally the greatest when all fuel and water tanks are full because the ____.
[单选题]“The use of a poor quality oil can lead to rapid deterioration of its properties with the resultant formation of deposits in the piston crown which in turn results in a considerable reduction in heat transfer with subsequent overheating and thermal cracking.” According to this sentence, we can know that the principle reason of the overheating and thermal cracking is ______.
[单选题]After fitting back in place the gear wheels, don’t forget ______them
[单选题]If a DC motor runs hot, the cause may be _______.
[单选题]When the speed of the engine increases, the rotating weights of the governor move ______.
[单选题]Synchrocope and synchro light are located on _______of main switchboard.
[单选题]Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?
[单选题]Air or noncondensable gas is removed from a refrigeration system by a__________
[单选题]Adjustments to the compensating needle valve in a hydraulic governor should be made with the engine at ______.
[单选题]You are installing new piston rings on a single acting diesel engine piston. To check the ring gap clearance, the rings should be placed at the ______.
[单选题]A smoking burner with a pulsating flame in auxiliary boiler, is an indication that the ____.

轮机英语【大管甲类】-题库

千题库下载

进入题库
章节练习
章节练习
关联题
关联题
每日一练
每日一练

热门试卷

第一章 船舶主推进装置
第二章 船舶辅助机械
第三章 船舶电气和自动化
第四章 船舶轮机管理业务
第五章 国际公约、规则
关联题
章节练习