正确答案: D

water and residual

题目：Before being used the fuel service tank should be drained of （）.

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]船上吊缸检修中一般不需进行（）。

气缸盖、气缸套的0.7MPa水压试验

[单选题]航行中，柴油机曲轴发生断裂事故，条件许可时可采用（）应急措施进行修理。Ⅰ.金属扣合工艺；Ⅱ.焊接；Ⅲ.局部更新；Ⅳ.铆接；Ⅴ.粘接。

Ⅱ

[单选题]小型船舶的螺旋桨直径D＜1.5m时，螺旋桨和艉轴允许采用（）方式连接。

无键环氧树脂

[单选题]（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

The watch keeping personnel

[单选题]The projection on a shaft designed to change circular motion into up and down or back and fore motion is called （）.

cam

[单选题]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）

Excessive feedwater temperature