【正文】 We are going to run fuel oil instead of _____ and open the fuel oil heater steam valve. A. heavy oil B. lube oil C. fuel oil D. diesel Jimei University 0626 The viscosity regulator controls____ in order to provide oil at the correct viscosity for bustion. A. the engine39。s load C. the fuel oil temperature D. the fuel oil flow Jimei University 0627 The viscosity regulator controls the_____ of the fuel oil in order to provide the oil at the correct viscosity for bustion. A. temperature B. pumping rate C. pressure D. heat 0628 The viscosity regulator controls the fuel oil temperature_____ provide oil at the correct viscosity for bustion. A. in order that B. because of C. in order to D. owing to Jimei University 0629 The way to reduce_____ is to build up a film of lubricant between any two surfaces that rub against each other. A. friction B. collision C. inertia慣性 , 慣量 D. resistance 0630 The withdrawing of the cylinder liners, in general, depends on their_____. This may amount to approximately 1/120 of the diameter in some engines. A. correct maneuvering B. wear C. working efficiency D. maintenance Jimei University 0631 The words such as quantity, grade, viscosity and specific gravity should be in the_____. A. repair list B. spare parts order list C. price list D. bunker list *0632 The work fuel 做功的燃油量 does in each working cycle can be obtained by taking the_____. A. precautions B. rpm C. indicator cards D. B and C Jimei University 0633 The working cycle of a fourstroke diesel engine consists of four events: (1) pression。 (3) exhaust。d better take_____ to save fuel consumption, you know it would be useless to get there earlier. A. nominal speed B. economical speed C. rated speed D. slow speed *0668 What is used for measuring the main bearing ? A. Pressure gauge B. Dial gauge度盤式指示器 C. Bridge gauge D. Power meter Jimei University 0669 What is used to purify water and foreign matters from the fuel oil in the following? A. pressor B. separator C. evaporator D. fuel pump 0670 When_____ is operated, a supply of pilot air enables the remote valve to open. A. the distributor B. the air start lever C. the turning gear D. the cylinder air start valve Jimei University 0671 When_____ is pressed, its temperature rises so that it ignites the fine spray of fuel injected into the cylinder. A. the oil B. the air C. the fresh water D. the steam 0672 When a centrifuge is arranged to separate impurities and small mount of water from oil, it is known as a_____. A. purifier B. separator C. filter D. clarifier Jimei University 0673 When a crankshaft_____ outside the engine, it should be carefully supported in a manner which will avoid imposing high bending moments on it. A. has to be handled B. may be handled C. has being handled D. will be handling Jimei University *0674 When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will_____ high bending moments on it. A. avoid imposing B. provide adequate C. avoid to impose D. provide with adequate Jimei University 0675 When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid_____ high bending moments on it. A. pressing B. interposing C. imposing D. pounding Jimei University *0676 When ships are in port, it is the time when opportunity_____ to carry out the routine maintenance and inspection of the working parts of the machinery. A. occurs不及物動詞 B. discovers C. looks for D. finds Jimei University 0677 When the engine speed slows down the governor will_____ the engine fuel pump setting. A. increase B. reduce C. keep D. none of the above 0678 When the exhaust ports or valves are opened, the_____ begin to exhaust. A. carbon and water B. refrigeration steam C. burnt gases D. oil sludge Jimei University 0679 When the follower is on the base circle of the cam with a normal shape, the pump plunger is at the_____ of its stroke. A. top B. nip C. bottom D. middle 0680 When the follower is on the base circle of the cam, the pump plunger is at the_____ of its stroke. A. top B. middle C. bottom D. any of the above Jimei University *0681 When the order_____ is received from the bridge, the main air stop valve should be shut. A. standby engine B. full ahead C. finished with engine D. ring off engines停車 0682 When the order_____ is received from the bridge, the main air stop valve in the starting air line should be shut. A. standby engine B. full ahead C. finished with engine D. full away Jimei University 0683 When the piston is pushed down, it forces the engine to do work on the crankshaft which in turn drives_____. A. the ship39。s propeller C. the turning gear D. the thrust beating *0684 When the piston reaches the top of its stroke, the temperature of the air_____ to very high value. A. raises B. rises C. elevates D. arises Jimei University 0685 When the piston reaches the top of its stroke, _____ the