2015《轮机英语》试题（二、三管轮）

1、2015轮机英语试题（二、三管轮） 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 compressed air c by using of sea water d with chemical compound 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 bedpl

3、ate c cylinder d liner 4. _ are commonly 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 maintenance access to the crankshaft main and connecting rod large end be

4、aring. a doors b aspirate gauzer c coupling d blind 6. _ 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 7. _ fuel oils _ lubricating oils require treatment before

5、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

6、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

7、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 mis

8、alignment 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

9、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

10、 of air and will be capable of burning a great quantity of fuel. a at the beginning of the compression stroke b at the beginning of the suction stroke c at the end of the working stroke d at the end of the exhaust stroke 17. _ the supercharl b a fuel injection pump c a feed water pump d a lube oil p

11、ump 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 pus

12、h 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 22. _ at the end of the distribution pipe ensures that adequate pressure is maintained by the pump. a a relief valve b an a

13、larm 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 fitt

14、ed in the exhaust system and facilitate charge removal and scavenging in each cylinder. a diffusers b compressors 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-pla