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 condenser
C. the demister only D. the evaporator only
1. 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 frequently C.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 entered in 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 repai
r 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