【名词&注释】
燃烧室(combustion chamber)、气缸套(cylinder liner)、表面积(surface area)、铜合金(copper alloy)、堆积物(accum)
[单选题]水润滑艉轴承的轴承材料有()。Ⅰ.铁梨木;Ⅱ.橡胶;Ⅲ.铜合金;Ⅳ.层压胶木;Ⅴ.合成材料。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ+Ⅳ+Ⅴ
C. Ⅲ+Ⅳ+Ⅴ
D. Ⅰ+Ⅲ+Ⅳ
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学习资料:
[单选题]船上吊缸检修一般不必()。
A. 用通针疏通针阀体和喷孔
B. 清除燃烧室零件表面积炭
C. 拉出气缸套进行磁粉探伤
D. 清除气口堆积物(accum)
[单选题]() of the A-frames there is a strong cast iron frame called the scavenging air box.
A. At the top
B. At the bottom
C. In the top
D. In the bottom
[单选题]The injector pump is operated by a cam which drives the () up and down.
A. piston
B. drum
C. plunger
D. barrel
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