单选题船舶主柴油机在负荷突变试验中,要求调速器的稳定时间不得超过()A3sB4sC5sD10s
单选题
船舶主柴油机在负荷突变试验中,要求调速器的稳定时间不得超过()
A
3s
B
4s
C
5s
D
10s
参考解析
解析:
暂无解析
相关考题:
单选题Support of ship side plating is provided primarily by transverse().AbeamsBgirdersCframesDbulkheads
单选题以下关于领海宽度,表述有误的是()。A根据海洋法原则,只有沿海国才有权确定一定宽度的海域作为自己的领海B领海宽度由沿海国根据本国地理、经济、政治等因素,在合理范围内自行确定C各国确定的领海宽度差异很大,从1~24海里不等D我国领海及毗连区法规定,中华人民共和国领海的宽度从领海基线量起为12海里
单选题电动型主机遥控系统满足供油的条件是()。 ①有动车车令; ②车令与凸轮轴位置一致; ③车令与主机转向不一致; ④车令与凸轮轴位置不一致; ⑤无应急停车命令; ⑥车令与主机转向一致。A①②④⑤B①③⑤⑥C①②⑤⑥D①③④⑤
单选题By this time tomorrow, the ship ()its repair work in the engine room.Awill doBhas doneChad doneDwill have done
单选题If more than one raft is manned after the vessel has sunk,you should().AGo in a different direction in search of landBSpread out to increase the possibility of a search aircraft finding youCReduce the number of rafts by getting as many people as possible into as few rafts as possibleDTie the rafts together and try to stay in a single group
单选题根据有关使用自动舵的规定,下列哪些是正确的?()I、出港时使用自动舵的时机由值班驾驶员决定;II、值班舵工未经值班驾驶员的同意不得擅自使用自动舵;III、值班驾驶员应每小时检查自动舵的运转情况;IV、船舶在冰区航行时禁止使用自动舵AI~IIIBII~IVCI~IVDI、II、IV
单选题通常在船舶上对喷油泵供油定时的检查方法有()。 Ⅰ.照光法 Ⅱ.冒油法 Ⅲ.标记线法 Ⅳ.千分表法 Ⅴ.示功图检测法 Ⅵ.光电频闪法AⅠ+Ⅱ+Ⅲ+ⅣBⅠ+Ⅲ+Ⅳ+ⅤCⅠ+Ⅲ+Ⅳ+ⅥDⅡ+Ⅳ+Ⅴ+Ⅵ
单选题Stainless steel is material commonly used for temperatures up to 50℃; beyond that and for severe corrosive conditions other materials are requiredThe bold and italic word “that” probably means ().Astainless steelBtemperatureC50℃Dother materials
单选题In a diesel engine lube oil system, which of the following parts should be lubricated first?()ACamshaft beatingsBMain bearingsCPiston crownsDCylinder walls