【名词&注释】
可靠性(reliability)、统计分析(statistical analysis)、特殊性(particularity)、填料函(stuffing box)、内置式(interior type)、尼龙绳(nylon)
[单选题]换新主机的连杆大端轴瓦时,其上瓦与曲柄销颈在()内的接触面积不少于()。
A. 40°~60°/75%
B. 40°~60°/85%
C. 60°~90°/75%
D. 60°~90°/85%
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学习资料:
[单选题]由于船舶的特殊性,导致了可靠性研究方法,即()的特殊性。Ⅰ.分析和计算的方法;Ⅱ.长期实验的方法;Ⅲ.大量搜集和统计分析现场数据方法
A. Ⅰ+Ⅱ
B. Ⅱ+Ⅲ
C. Ⅰ+Ⅲ
D. Ⅰ+Ⅱ+Ⅲ
[单选题]船舶轴系中不包括()。
A. 推力轴及推力轴承
B. 中间轴和中间轴承
C. 内置式(interior type)推力轴和推力轴承
D. 艉轴和艉轴承
[单选题]水润滑艉轴承填料函中的填料为()。
A. 棉、麻绳
B. 尼龙绳(nylon)
C. 浸油布条
D. 浸油脂棉、麻绳或尼龙绳(nylon)
[单选题]Vents are led from the engine to head tank () from the cooling water.
A. for the release of air
B. for the release of water
C. in order to the release of air
D. because the release of air
[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by ().
A. heat conduction into the injected fuel oil
B. heat conduction into the water jacket wall
C. water circulation through passages in the holder
D. fuel oil circulation through passages in the holder
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