【正文】 air from being admitted to the cylinder before the reversing is pleted. (1) A. An automatic B. A transmission C. A selfregulating D. An interlocking 0009 _____ fuel oils_____ lubricating oils require treatment before passing to the engine. A. Both/and B. Neither/nor C. Either/or D. Both/or 0010 _____ 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 0011 _____ is the removal of exhaust gases by blowing in fresh air. (1) A. Gas exchange B. Charging C. Scavenging D. Supercharging 0012 _____ 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 0013 _____ 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 0014 _____ 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 0015 _____ of the Aframes 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 0016 _____ pistons have low inertia and high coefficient系數 of thermal expansion. A. Cast iron B. Cast steel C. Fed steel D. Aluminum 0017 _____ scavenging means both exhaust ports and scavenging ports are arranged to the same side. A. Uniflow B. Cross C. Loop D. Straight 0018 _____ 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 0019 _____ tappet clearance will cause the exhaust valve to open early and close late in cycle and will increase its maximum lift. A. Excessive B. Insufficient C. Correct D. None of the above *0020 _____ tappet clearance will cause the exhaust valve to open late and close early in cycle and will reduce its maximum lift. A. Correct B. Insufficient C. Excessive D. None of the above *0021 _____ tappet clearance will cause the exhaust valve to open late and close early in cycle and will reduce its maximum lift. A. Correct B. Insufficient C. Excessive D. None of the above is correct. 0022 _____ the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel. A. At the end of the pression 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 0023 _____ the supercharge pressure is, _____ power an engine develops. A. The higher/the more B. Higher/more C. Higher/little D. The higher/the less 0024 _____ device is provided to prevent starting air from being admitted to the cylinders before the reversing is pleted. (同 0008)(1) A. An automatic B. A transmission C. An interlocking D. A selfregulation 0025 _____ 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 0026 _____ means that both exhaust ports and scavenging peas are arranged on the same side.(同 0017) A. Uniflow scavenge B. Cross scavenge C. Loop scavenge D. Straight scavenge 0027 _____ 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 0028 _____ shows meter and the specific gravity of the oil is . According to the measuring scale, that makes 150 tons. A. The piston rod B. The push rod C. The sounding rod D. The connecting rod 0029 _____ 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 0030 _____ at the end of the distribution pipe ensures that adequate pressure is maintained by the pump. A. A relief valve B. An alarm C. A pressure gauge D. A nonreturn valve 0031 _____ is used for washing and drinking. A. The ballast system B. The salt water system C. The bilge system D. The domestic system 0032 _____ provide the water to the pistons. A. Pneumatic pipe B. Hydraulic pipes C. Telescopic pipe D. Operating gas pipes 0033 _____ are fitted in the exhaust system and facilitate charge removal and scavenging in each cylinder. A. Diffusers擴壓器 B. Compressors C. Steam boilers D. Soot blowers 0034 _____ are formed by abrasive particles entering the bearing and scoring the shaft. A. Grooves B. Recesses C. Ridges