正确答案: D
An air distributor
题目:() is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
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学习资料的答案和解析:
[单选题]柴油机排气系统的背压与()。Ⅰ.废气流速的平方成正比;Ⅱ.与管径的4次方成反比
Ⅰ,Ⅱ都对
[单选题]二冲程柴油机气缸套产生穿透性裂纹,柴油机运转时就会发现()异常现象。
B.膨胀水柜水位波动
[单选题]曲轴轴颈表面的腐蚀凹坑、锈斑,主要是滑油中含有()。
水分和酸
[单选题]防止增压器涡轮壳体腐蚀的方法是()。
选用非冷却式的增压器
[单选题]航行中的螺旋桨故障主要有()。Ⅰ.振动;Ⅱ.鸣音;Ⅲ.失去平衡;Ⅳ.桨叶折断;Ⅴ.桨叶穴蚀。
Ⅱ+Ⅲ
[单选题]() is fully floating in both connecting rod small end and the piston skirt.
The gudgeon pin
[单选题]After passing through the turbine the exhaust gas is conducted out into the().
open air
[单选题]The rate of fuel injection in a diesel engine cylinder depends primarily on ().
the size of the holes in the fuel nozzle