正确答案: A
oil
题目:In a general oil cooler circulated by sea water, the oil is at a higher pressure, the result being that any leak in the cooler will mean a loss of ().
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学习资料的答案和解析:
[单选题]某船主机有效功率为10000kW,螺旋桨收到功率为98O0kw,螺旋桨推力功率为600OkW,发电机使用功率为600kW,主机耗油率为170g/kW•h,发电机耗油率为195g/kw•h,锅炉耗油量为1.2t/d,则动力装置耗油率为()g/kW•h。
0.3112
[单选题]MANB&W型柴油机活塞杆填料函工作环的平面间隙和环端间隙超过规定值的()时,应当换新。
C.50%
[单选题]废气涡轮增压器是作高速回转的精密动力机械,使其平衡、无振动的高速运转的条件是()。Ⅰ.转子无变形;Ⅱ.转子平衡精度高;Ⅲ.增压器对中性好;Ⅳ.轴承无损伤;Ⅴ.维护管理好。
Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ
[单选题]按轴系合理校中原理校中时,各轴承的连线是()。
曲线
[单选题]Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during the ().
compression stroke
[单选题]The overspeeding of the diesel engine driving an electric generator could cause ().
damage to windings