正确答案: A
螺距规
题目:测量螺旋桨螺距时采用的量具是()。
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学习资料的答案和解析:
[单选题]船轴工作轴颈磨损后,经测量表明()超标准时应予以修复。Ⅰ.圆度;Ⅱ.圆柱度;Ⅲ.椭圆度;Ⅳ.法兰径向跳动;Ⅴ.法兰端面跳动。
Ⅰ+Ⅱ+Ⅳ
[单选题]桨叶平均螺距为桨叶上各半径截面的()的算术平均值。
截面螺距
[单选题]舵杆上()的纵向裂纹可焊补修理。
长度<1/4公称直径、深度<10%公称直径
[单选题]Fuel injection uses the jet pump system and a Woodward type hydraulic () is used to control engine speed.
governor
[单选题]The development of oils () the increasing demands made by the steady rise in powers produced by modem diesels.
has kept pace with