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 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 Bedplate 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 cylinder 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 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 lubricating 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 distribution 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 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 associated 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 The 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 corresponding 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 make 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. _ 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 particles 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