【名词&注释】
柴油机(diesel engine)、燃烧室(combustion chamber)、结构件(structural component)、组成部分(part)
[单选题]() fuel oils () lubricating oils require treatment before passing to the engine.
A. Both;and
B. Neither;nor
C. Either;or
D. Both;or
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学习资料:
[单选题]气缸盖是柴油机的()和燃烧室的组成部分(part)。
A. 重要零件
B. 易损零件
C. 固定件
D. 结构件
[单选题]局部螺距等于()(ΔL为螺距规量杆的升程α为螺距规水平杆转过的角度)。
A. 360•ΔL/α
B. ΔLα/360
C. 360/ΔLα
D. α/ΔL360
[单选题]Compressed air is used on board ship ().
A. for starting diesel engines
B. in pneumatic control system
C. in pneumatic tools
D. All the above are true
[单选题]Diesel engines obtain combustion air through turbo chargers,blowers,or().
A. air starters
B. carburetors
C. natural aspiration
D. air receiver
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