正确答案: A
首尾/侧面
题目:二冲程十字头式柴油机活塞运动部件纵向校中的目的是使活塞与气缸套在()方向的间隙符合要求;导板和滑块之间的()间隙符合要求。
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学习资料的答案和解析:
[单选题]中国船级社允许船舶曲轴臂距差的最大极限是()mm(S为冲程,单位:mm)。
<0.30S
[单选题]对传动轴系理解正确的是()。Ⅰ.长轴系刚性好,对偏差敏感;Ⅱ.短轴系挠性好对偏差不敏感
Ⅰ,Ⅱ都不对
[单选题]柴油机停增压器运转后,应使()。
冷却水继续流通,仍保持滑油的循环
[单选题]A common trouble with the fuel pump plunger or fuel valve spindle is ().
oil leakage
[单选题]The compressed air is supplied by () to the air reservoirs.
compressors
[单选题]Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?()
Pressure lubrication
[单选题]Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?()
Cooling water flow through after-coolers