2017 甲 类 轮 机 英 语 补 充 题 ： 89. The vapor generated in the evaporator passes through in the fresh water generator.A. the condenser only B. the demister and condenserC. the demister only D. the evaporator only1. A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to _. A.feel the high pressure line B.check the cylinder exhausts for some white smoke frequentlyC.check the cylinder exhaust temperature D.isolate each cylinder and inspect the injector 2.after taking on fuel oil, the hose should be disconnected and the bilges and _ A.drapped over the fantail to dry out B.drain over side and washed out C.drained into the bilges and washed out D.drained into the buckets 3.All details of fuel bunkering or slop disposal must be enteredin the _ A.rough log B.enging room log book C.oil record book D.smooth book 4. What is NOT true about overhaul repair? A.Overhaul repair is a major repair B.Overhaul repair is carried out in a dock. C.Overhaul repair is carried out once a year D.Overhaul repair is done for the purpose of rating. 5. An incinerator auxiliary burner can not be ignited. It is not caused by_ A.carbon deposits on the electrodes B.defective atomizer C.low oil pressure D.too much water in the oil sludge 6. As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will_. A.increase B.decrease C.remian unchanged D.be greatest at dew point 7. full travel of the electronic governor actuator linkage must exceed the _ travel of the engine fuel control to ensure that the engine fuel control is capable of moving from the “off position” to “full fuel” A.minimum B.average C.maximum D.half 8.if the engine is at rest during maneuver for an extended period , the engine should _, of course, the navigational circumstances permit, before restarting on fuel. A.be turned on air B.be tried on power C.be turned by the turning gear D.be tested on fuel 9.in common rail engines, the fuel is _ before is injected into the cylinder. A.stored in a common fuel line B.pumped by the injection pump C.at low pressure D.already atmoized 10.motor controllers are seldom troubled with grounds because_. A.the auxiliary contacts have a high resistance connection B.the contactors and relays are mounted on a non-conducting C.the resistor banks are composed of individual series-connected units D.there are separate switches for the motor and the control 1 Misalignment of an engine crankshaft can be detected by measuring_of crank webs for each unit of the engine. A. diameters B. lengths C. deflections D. none of the above 2 A crankshaft whose center of gravity coincides with its center line is said to be _. A. dynamically balanced B. statically balanced C. counter balanced D. resonantly balanced 3 In a diesel engine, the main bearings are used between the _. A. connecting rod and the crankshaft B. wrist pin and the connecting rod C. camshaft and the engine block D. crankshaft and the engine block 4 We should not start the engine unless the turning gear is _. A. on B. disengaged C. bolted D. unscrewed 5 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 6 Wed 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 7 Shaft sealing in a centrifugal pump can be effected by _. A. the mechanical seal B. packed stuffing boxes C. either A or B D. neither A nor B 8 Most pump manufacturers recommend that the suction piping dimension for centrifugal pumps be _. A. one size smaller than the pump suction nozzle B. the same size as the pump suction nozzle C. one size larger than the pump suction nozzle D. installed with a short radius elbow at the pump 9 The water level in a steaming auxiliary boiler will always _. A. rise when the steam pressure is increased B. remain constant as long as the feed pump operates C. fall when the steam pressure is decreased D. vary as the steam demand changes 11.Restrictions occurring in the small orifices of pneumatic control system components can be caused by _. A.moisture in the compressed air supply B.excessive dryness in the compressed air supply C.pressure surging in the compressed air receiver D.insufficient lubrication of the system components 12. Seawater can be used for drinking _. A.at a maximum rate of two ounces per day B.after mixing with an equal quantity of fresh water C.if gather during or immediately after a hard rain D.under no circumstance 13. What is the main objective of BWM 2004? A.to control the use of organo compounds acting as biocides B.to reduce the harmful fouling of the m