《轮机英语》二三管轮考证必备要点
660页1、第一章 船舶动力装置1. “ Before disconnecting the oil pipe, would you flush the oil retained in the pipe?”asked the oil barge owner.A by using of fresh water8. with compressed air VC by using of sea waterD with chemical compound2. “ Stand by an engine ” means A“ prepare to stop the engine ”8 “ assemble an engine on its bedplate ”C.make an engine ready for starting ” VD“ dismantle an engine ”3. A is the foundation of the engine, without the support of which the shaft alignmentin particular, and engine stru
2、cture as a whole, would inevitably be lost.A Frame8. Bedplate VC CylinderD Liner4. are commonly used in mechanical-hydraulic governor to sense engine speeds.A Bulbs8 BulksC. Flyweights VD Flywheels5. are generally formed in the frame of the both in-line and Vee engines to givemaintenance access to the crankshaft main and connecting rod large end bearing.A. Doors VB Aspirate gauzerC CouplingD Blind6. device is provided to prevent starting air from being admitted to the cylinderbefore the reversin
3、g is completed.A. An automatic VB A transmissionC A self-regulatingD An interlocking7. fuel oils lubricating oils require treatment before passing to the engine.A. Both/and VB Neither/norC Either/orD Both/or8. is sometimes used for piston cooling since leaks into the crankcase would not causeproblems.A Diesel oilB Hydraulic oilC. Lube oil VD Mineral oil9. is the removal of exhaust gases by blowing in fresh air.A Gas exchangeB ChargingC. Scavenging VD Supercharging10. is used for cylinder and cyl
4、inder head, the salt water is used for cooling thelubricating oil, the fresh water in the coolers and the charging air in the air cooler.A The fuel oilB The lube oilC The sea waterD. The fresh water V11. may be the first possible cause which makes the engine to lose power or slow downwhen it is running.A. Hot bearing V8 Starting valvesC Unequal distribution of loadD Excessive crankshaft clearance12. of an engine crankshaft can be detected by measuring deflections of crank websfor each unit of th
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