【名词&注释】
磨损率(wear rate)、摩擦系数(friction coefficient)、船用增压器(ship turbocharger)、铸铁气缸套(cast iron cylinder sleeve)、耐磨性好(good wear resistance)
[单选题]船用增压器多采用()轴承,因其具有()、产生热量少和滑油耗量少等优点。
A. A.滑动/耐磨性好(good wear resistance)
B. B.滑动/抗咬合性好
C. C.滚动/耐磨性好(good wear resistance)
D. D.滚动/摩擦系数小
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学习资料:
[单选题]大型低速柴油机铸铁气缸套的异常磨损率()mm/kh。
A. >0.08
B. >0.1
C. >0.2
D. >0.5
[单选题]Fresh water is used for the cooling of cylinder jackets and () of the marine diesel engine.
A. cylinder covers
B. lubricating space
C. crosshead
D. exhaust manifold
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