1、11. Brine density in a distilling plant is measured with a/an _.A. psychrometer B. salinometer C. anemometer D. sphygmomanometer2. Ships and shipping companies with a history of _ will begin to find it difficult to trade unhindered.A. accidents B. detentions C. clean records D. rename3. When a large
2、, low-speed, main propulsion diesel engine running on heavy fuel, which of the following precautions should be observed when changing over to diesel oil?A. The diesel oil must never be allowed to mix with the heavy fuel.B. The temperature of the fuel from the pre-heater should be gradually reduced a
3、fter switching over the three-way valve.C. The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve.D. The heating steam must be secured before the diesel fuel passes through the three-way valve.4. Some engine manufacturers rely on setting t
4、he fuel pump racks at the same reading in order to obtain an even distribution of the load between the cylinders; others prefer to adjust this setting to give close agreement between the .A. burning pressures B. burning temperatures C. exhaust pressures D. exhaust temperatures5. The longer an oil fi
5、re is permitted to burn, the _.A. harder it is to extinguish B. easier it is to extinguishC. less chance there is of re-ignition D. easier it is to control6. Which statement is TRUE?A. You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore.B. You need not keep a
6、 record of garbage incinerated on the ship.C. You must keep a record of the approximate weight of the garbage dumped.D. you must keep a record of garbage discharged in port to shore facility.7. To reduce the high _ of a petroleum based fuel of say 500 cst to 180 cst at 50, only a comparatively small
7、 amount of a diluent, e.g. MDO is required.A. sticky B. viscosity C. density D. gravity8. Rudder motion is prevented from exceeding the movement of the steering wheel by the _.A. return springs B. six-way valve C. follow-up gear D. differential gear9. An alternator is being paralleled with one on th
8、e line. At the INSTANT the circuit breaker is closed, the frequency of the incoming alternator will normally _.A. increase B. not change C. decrease D. be exactly 60 hertz10. Before putting on the starting air, the reversing and control gear should be _.A. operated B. stopped C. checked D. removed11
9、. The cylinder liner forming the cylinder wall and the inside of the water jacket is called a _.A. dry liner B. wet liner C. jacket liner D. corrugated liner12. _ is used to drop and heave in the anchor through the hawse pipe, the anchor chain is stored in the chain locker.A. The windlass B. The anc
10、hor winchC. The mooring winch D. The anchor winch or windlass13. Large, slow speed, two-stroke marine diesel engines offer the advantages of the following except _.A. burning poorer quality, cheaper fuel B. providing large powerC. being reversible D. using less oil than medium speed engines14. Most
11、large, low-speed, main propulsion diesel engines use duplex lube oil strainer to _.A. decrease the time required between cleanings B. remove water contaminationC. ensure a positive flow of oil at all times D. ensure that all lube oil has been treated twice215. Preventive maintenance _.A. should not
12、be carried out during the watches B. can only be carried out in portC. is a kind of maintenances carried out prior to the occurrence D. is a kind of maintenances carried out after the occurrence16. The device used for preventing the passage of flames into enclosed spaces is called a_.A. flame relief
13、 valve B. flame stopper C. safety valve D. flame arrester17. What will be the phase angle relationship of a six-pole, three-phase, rotating field generator _.A. 60 B. 120 C. 180 D. 36018. Which of the equipment listed is most effective in processing bilge slops for overboard discharge?A. A 100 ppm o
14、ily water separator.B. Assembling the lube oil purifier as a separator and aligning it to the bilge overboard.C. A 15 ppm oily water separator.D. A magnetic duplex strainer.19. At an unsheltered anchorage the chief engineer officer shall consult with the master whether or not to _.A. do engine repai
15、r work B. clean sea water filterC. maintain an underway watch D. take bunkering20. UMS stands for _.A. ultra much space B. universal medium systemC. unit machined space D. unattended machinery space21. The officer in charge of an engineering watch shall have the knowledge of ERM principles, includin
16、g_.A. adequate knowledge of keeping a safe engineering watchB. adequate knowledge of the English languageC. consideration of team experienceD. consideration of individual experience 22. _ for cargo spaces and living spaces are normally based on a given number of air changes per hour.A. Ventilation r
17、equirements B. Air-conditioning C. Air requirement D. Air quality23. In cleaning up an oil spill, the use of chemical agents would _.A. absorb the oil for easy removal B. remove the oil from the waterC. disperse or dissolve the oil in the water D. not affect the oil24. What is the ultimate purpose o
18、f requirements covering machinery and electrical installations?A. to protect equipment under emergenciesB. to maintain the servicesC. to protect the safety of the ship, passengers and crewD. to ensure the right operation of machines25. Before a shipboard fire can be declared completely out, which of
19、 the following steps is/are essential?The cause of the fire is to be known;The fire area is safe for men to enter without a breathing apparatus;The fire is sufficiently cooled so that accidental skin burns will not occur.A. B. C. D. 26. The correct statement about the generators paralleling off oper
20、ation is _.A. push the paralleling off button directlyB. transfer the load and then perform the paralleling off operationC. push the paralleling off button when the power is nearly zeroD. do nothing but just wait for paralleling off27. The clutch band of a constant tensioning mooring winch must be s
21、et up tight enough to drive the winch drum 3and should slip only when _.A. excessive loads are placed on the winch B. minimum pull is being exerted by the winchC. automatic operation of the winch is desired D. wire is being retired at the maximum rate28. In a ordinary cargo crane, _ is fitted to rot
22、ate the crane.A. the slewing motor B. the luffing motor C. the hoisting motor D. none of the above29. Cylinders of marine diesel engines are normally cooled by _.A. sea water B. fine mineral oil C. sanitary water D. fresh water30. The objectives of the ISM Code are to ensure _.safety at sea; prevent
23、ion of human injury or loss of life; avoidance of damage to the marine environment and to propertyA. B. C. D. 31. Which of the following problems will occur if a disk-type centrifugal lube oil purifier is not properly primed prior to admitting oil flow to the bowl?A. Contamination of the lube oil by
24、 emulsification will result.B. The lube oil will not be subjected to the proper centrifugal force.C. The lube oil will overheat and flash.D. Oil will discharge from the heavy phase discharge port and be wasted.32. A motor speed regulator maintains the motor speed at a _ value despite variations in l
25、oad torque.A. constant B. change C. appropriate D. accurately33. Most troubles likely to occur with marine diesel engine can, if located in time, be remedied with no difficulty and many can be _ if engine is maintained with a high sense of responsibility to the people on the part of the motormen and
26、 engineers.A. found out B. eliminated C. avoided D. lowered34. In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to _.A. turn the flywheel B. reduce friction C. overcome inertia D. ignite the fuel35. According to Annex I of MARPOL 73/78, t
27、he discharging oil content of the machinery space bilges must be lower than _.A. 30 liters per nautical mile B. 15 liters per nautical mile C. 30 ppm D. 15 ppm36. The main switchboard is made up of following parts except .A. bus-bar B. paralleling panel C. shore power box D. machinery panel of the m
28、ain generator37. An operational amplifier, as used in todays consoles, has a calculated gain of 5. This means that when the input changes _.A. 5 volts, the output changes 10 volts B. 10 volts, the output changes 5 voltsC. 2 volts, the output changes 10 volts D. 10 volts, the output changes 2 volts38
29、. The opening of the humidifiers valve of air-conditioner should be _, when the temperature is lower than 0.A. decreased B. increased C. fixed D. closed39. The officer in charge of the engine watch in port may not _.A. be aware of the deck cargo handling procedureB. be aware of the deck officers nee
30、ds relating to the cargo handling equipmentC. raise the alarm in some emergency situationsD. make frequent rounds of inspection40. The amount of remaining positive suction head required at the pump suction to effect the designed delivery 4rate is known as the _.A. available NPSH B. allowable NPSH C.
31、 required NPSH D. suction lift41. After received the “finished with engine” order from bridge, which of the following operations is false?A. Shut off the main starting valve.B. Stop the fuel oil booster pump and shut off the correspondence valves.C. Stop the sea water pump immediately and shut off t
32、he correspondence valves.D. Stop the jacket water pump immediately and shut off the correspondence valves.42. Power is supplied through _ to larger auxiliaries at the _ voltage.A. circuit breakers, low B. circuit breakers, highC. exciters. low D. exciters, high43. According to MARITIME LABOUR CONVEN
33、TION 2006, the employment, engagement or work of seafarers under the age of 18 shall be prohibited where the work _. A. is began at 06 a.m. B. is likely to jeopardize their health or safety C. is likely to harm other peoples life D. is proceeding under bad weather 44. When the speed of the engine in
34、creases, the rotating weights of the governor move_.A. outward B. inward C. upward D. downward45. When the machinery spaces are in the periodic unmanned condition, _ shall be immediately available and on call to attend the machinery space.A. the chief engineer B. the designated engineer from shipyar
35、d C. the designated duty officer in charge of the engineering watch D. the designated surveyor from classification society 46. The difference between measured and desired values is called _.A. make-up B. desired value C. deviation D. set value47. The main operating characteristic of diesel engines w
36、hich distinguishes them from other internal combustion endings is the _.A. method of supplying air B. cooling systemC. method of igniting fuel D. valve operating mechanism48. A fire involving aluminum powder would be a _ fire.A. Class A B. Class B C. Class C D. Class D49. With _, the engine needs no
37、t to be aligned with reduction gears or propeller shaft.A. diesel engine propulsion B. diesel electric propulsionC. steam engine propulsion D. gas turbine propulsion50. In chemical sewage treatment system, test must be performed _ to check the dosage rate.A. monthly B. weekly C. daily D. annually51.
38、 One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the _.A. governor sensitivity B. exhaust temperatureC. fuel injection pressure D. speed of the cam shaft52. Vessels having main engines arranged for air starting are to be provided with at least _.A.
39、 one automatic drain serving both containersB. two air starting containers of approximately equal sizeC. one control air container and one starting air containerD. one additional means of starting the main engine53. The SOLAS convention prescribes that in the fire fighting drill the duty engineer sh
40、ould start the fire pump and supply deck water in _ minute(s).A. 5 B. 3 C. 2 D. 1554. An electrical device which prevents an action from occurring until all other required conditions are met is called a/an _.A. limit B. monitor C. modulator D. interlock55. A device incorporating a variable orifice p
41、laced in series with a check valve in a hydraulic system, is used to .A. allow free movement of hydraulic fluid in both directionsB. allow fluid flow in one direction onlyC. allow throttled fluid flow in one direction onlyD. restrict hydraulic fluid flow in both directions56. If diesel fuel was disc
42、harging from the water outlet of a fuel oil disk type centrifuge purifier operating as a separator, you should try to _ firstly.A. remove the discharge ring B. re-prime the purifierC. slow the purifier to its proper speed D. Put in an additional discharge ring57. Motor _ protection is realized by th
43、e fuse.A. short-circuit B. overload C. open-phase D. voltage drop58. A centrifuge is normally used to purify _ on board.A. cooling water B. fuel oil C. sea water D. diesel intake air59. The campeak (3) is fixed to the _ (1).A. crank B. crankpin C. camshaft D. crankshaft60. In order to reduce the cha
44、nce of detentions ships should routinely verify the following except for _.A. all Oil Record Book entries completed according to MARPOLB. operation of the oily water separator able to be demonstratedC. operation of the oily water separator monitor able to be demonstratedD. cleaning all associated mo
45、nitor, alarm and stopping device61. D Which of the following would not be burnt in an incinerator (not ratified by IMO) on board?A. waste oil B. waste clothes C. oil rags D. PVC garbage62. Which of the following can be used in transmission system usually?A. Hydraulic oil. B. Animal oil. C. Light oil
46、. D. Fuel oil.63. The rotor of the hydraulic motor rotates at a speed proportional to the _.A. flow of oil B. pressure of oil C. flow and pressure of oil D. temperature of oil664. A pump shaft that is bent or distorted should normally be _.A. repaired by a suitable welding processB. straightened by
47、applying heat and torsionC. reconditioned by metallizing and machiningD. replaced with a satisfactory spare65. During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of cylinder is too high. The duty engineer should _.A. notify
48、the duty officer, reduce the engine speed, and take some measures to remove failuresB. notify the duty officer, and stop the engine immediately, find the cause and remove failuresC. notify the C/E D. notify the captain66. An inadequate reciprocating bilge pump discharge is most often caused by _.A. defective safety valves B. clogged suction strainersC. scarred cylinder walls D. clogged drain valves67. Which of the listed devices wo
