正确答案: C
120—140
题目:目前所用燃油的排气露点一般在()℃范围.
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学习资料的答案和解析:
[单选题]在约定MCR工况下,建议废气管内流速不超过50m/s,实际上为避免压力损失太大,废气流速约为()m/s
35
[单选题]吊缸检修完毕后,发现零件漏装时应()。
查找漏装部位重新进行安装
[单选题]柴油机纵向校中是指在()上活塞运动部件与固定件有准确的相对位置。
柴油机首、尾方向
[单选题]艉轴管装置是用以()、密封船体不使海水进入艉轴承和防止润滑油溢出的设备。
支承艉轴和螺旋桨
[单选题]铁梨木轴承产生()时应予以部分或全部换新。
变形与开裂
[单选题]传动轴系若带有减速装置,推力轴承应置于()。
减速齿轮箱内
[单选题]In order to ensure the safety of the ship and its equipment during UMS operation, certain essential functions ().
must be provided
[单选题]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should ().
pressurize the lube oil system
[单选题]Exhaust valve grooving and corrosion is caused by certain components of residual fuel oilThese components are sodium, sulfur, and ().
vanadium