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《轮机英语》考试复习题
二、三管轮
第一章 船舶动力装置
“Before disconnecting the oil pipe, would you flush the oil retained in the pipe?” asked the oil barge owner. A. by using of fresh water B. with compressed air √ C. by using of sea water D. with chemical compound
“Stand by an engine” means _____. A. “prepare to stop the engine” B. “assemble an engine on its bedplate” C. “make an engine ready for starting” √ D. “dismantle an engine”
A _____ is the foundation of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost. A. Frame B. Bedplate √ C. Cylinder D. Liner
_____ are commonly used in mechanical-hydraulic governor to sense engine speeds. A. Bulbs B. Bulks C. Flyweights √ D. Flywheels
_____ are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing. A. Doors √ B. Aspirate gauzer C. Coupling D. Blind
_____ device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed. A. An automatic √ B. A transmission C. A self-regulating D. An interlocking
_____ fuel oils _____ lubricating oils require treatment before passing to the engine. A. Both/and √ B. Neither/nor C. Either/or D. Both/or
_____ is sometimes used for piston cooling since leaks into the crankcase would not cause problems. A. Diesel oil B. Hydraulic oil C. Lube oil √ D. Mineral oil
_____ is the removal of exhaust gases by blowing in fresh air. A. Gas exchange B. Charging C. Scavenging √ D. Supercharging
_____ is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler. A. The fuel oil B. Th
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