正确答案: C
开启1个空气瓶,不可补充空气
题目:主机起动用的空气瓶至少应有2个,在进行起动次数试验时,应()。
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学习资料的答案和解析:
[单选题]测量曲轴臂距差时,曲轴旋转一周,可依次测得臂距值为()。
L上、L右、L下、L左
[单选题]填料函式密封装置具有()等优点。Ⅰ.结构简单;Ⅱ.价格低廉;Ⅲ.工作较可靠;Ⅳ.维护管理方便;Ⅴ.易于检修。
Ⅰ+Ⅲ+Ⅳ+Ⅴ
[单选题]Vee-type engines have the connecting rods from two cylinders connected to each () of the crankshaft.
throw
[单选题]One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is().
a minimum speed for the engines that limits the minimum speed of the vessel