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1、2023轮机英语试题二、三管轮 - 教育文库 轮机英语考试复习题 (二、三管轮) 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 water B with pressed air C by using of sea water D with chemical pound 2. “Stand by an engine” means _. A “prepare
2、to stop the engine” B “assemble an engine on its bedplate” C “make an engine ready for starting” D “dismantle an engine” 3. 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 Bedpla
3、te C Cylinder D Liner 4. _ are monly used in mechanical-hydraulic governor to sense engine speeds. A Bulbs B Bulks C Flyweights D Flywheels 5. _ are generally formed in the frame of the both in-line and Vee engines to give 6. _ device is provided to prevent starting air from being admitted to the cy
4、linder before the reversing is pleted. A An automatic B A transmission C A self-regulating D An interlocking 7. _ fuel oils _ lubricating oils require treatment before passing to the engine. A Both/and B Neither/nor C Either/or D Both/or 8. _ is sometimes used for piston cooling since leaks into the
5、 crankcase would not cause problems. A Diesel oil B Hydraulic oil C Lube oil D Mineral oil 9. _ is the removal of exhaust gases by blowing in fresh air. A Gas exchange B Charging C Scavenging D Supercharging 10. _ is used for cylinder and cylinder head, the salt water is used for cooling the lubrica
6、ting oil, the fresh water in the coolers and the charging air in the air cooler. A The fuel oil B The lube oil C The sea water D The fresh water 11. _ may be the first possible cause which makes the engine to lose power or slow down when it is running. A Hot bearing B Starting valves C Unequal distr
7、ibution of load D Excessive crankshaft clearance 12. _ of an engine crankshaft can be detected by measuring deflections of crank webs for each unit of the engine. A Misalignment B Length C Strength D Stresses 13. _ of the A-frames there is a strong cast iron frame called the scavenging air box. A At
8、 the top B At the bottom C In the top D In the bottom 14. _ pistons have low inertia and high coefficient of thermal expansion. A Cast iron B Cast steel C Forged steel D Aluminum 15. _ should not undertake any task which will interfere with the supervision duties relating to the main machinery and a
9、ssociated equipment. A The watch keeping personnel B The chief engineer C The person on a bunker barge D Any of the above 16. _ the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel. 17. _ the supercharge pressure is, _ power an engine develops. A Th
10、e higher/the more B Higher/more C Higher/little D The higher/the less 18. _ is not properly set thus causing either advanced or retarded firing. A A piston B A fuel injection pump C A feed water pump D A lube oil pump 19. _ rods are not in proper condition so that too much fuel is supplied to the co
11、rresponding cylinder. A Piston B Sounding C Regulating D Connecting 20. _ shows 1.2 meter and the specific gravity of the oil is 0.96According to the measuring scale, that makes 150 tons. A The piston rod B The push rod C The sounding rod D The connecting rod 21. _ allows for expansion and water mak
12、e up in the water cooling system. A A top tank B A head tank C A head valve D A drain tank by the pump. A A relief valve B An alarm C A pressure gauge D A non-maim valve 23. _ is used for washing and drinking. A The ballast system B The salt water system C The bilge system D The domestic system 24.
13、_ provide the water to the pistons. A Pneumatic pipes B Hydraulic pipes C Telescopic pipes D Operating gas pipes 25. _ are fitted in the exhaust system and facilitate charge removal and scavenging in each cylinder. A Diffusers B pressors C Steam boilers D Soot blowers 26. _ are formed by abrasive pa
14、rticles entering the bearing and scoring the shaft. A Grooves B Recesses C Ridges D Nips 27. _ are mounted on and bolted to the bed-plate cross girders. A The crankshaft B The crankcase C The guide-ways D The frames 28. _ is a precaution which contributes to avoiding trouble under normal operating conditions. A Constant inspection B Keeping constant load 第 页 共 页
