【名词&注释】
增压器(turbocharger)、四冲程柴油机(four-stroke diesel engine)、气缸中心线
[单选题]四冲程柴油机停增压器运转产生的主要问题是()。
A. 无法换气
B. 排气倒流
C. 振动强烈
D. 喘振
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学习资料:
[单选题]测量发现,活塞在近上、下止点位置时,活塞在气缸中均偏左或均偏右的极端位置(活塞与气缸间隙为零,而一侧间隙最大),这是由于()原因所致。
A. 导板倾斜
B. 导板与气缸中心线距离过大或过小
C. 导板与活塞中心线的距离过大或过小
D. 滑块与气缸中心线距离过大或过小
[单选题]In a general oil cooler circulated by sea water, the oil is at a higher pressure, the result being that any leak in the cooler will mean a loss of ().
A. oil
B. sea water
C. air
D. fresh water
[单选题]The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being ().
A. shut
B. closing
C. opened
D. closed
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