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【简答题】
在密闭容器中有1摩尔温度为T的理想气体氧气,其热力学能为__,每个分子的平均动能为__.
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举一反三
【单选题】A decrease in the flash point of diesel engine lube oil indicates the lube oil has become _____.
A.
contaminated with sludge
B.
contaminated with carbon
C.
diluted with fuel oil
D.
diluted with water
【简答题】请拍照上传数据表格与数据处理的图像部分
【单选题】Demulsibility of a lube oil is defined as _____.
A.
the ability of oil to separate from water
B.
the temperature at which oil flows rapidly
C.
a measure of the water in a lube oil system
D.
an emulsion of different grades of oil
【单选题】A dirty lube oil strainer can result in（）
A.
crankcase
B.
low lube oil temperature
C.
excessive oil consumption
D.
low bearing oil pressure
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