1、D. complied5. When should operational checks on navigation equipment be done?A. Regularly, when preparing for sea and entering portB. When errors are indicatedC. When time allowsD. As often as possible6. You are underway in heavy fog. You hear the fog signal of vessel which is somewhere ahead of you
2、r vessel. You must .A. slow to bare steerageway and navigation with cautionB. maintain speed and sound the danger signalC. stop engines and navigate with cautionD. slow to moderate speed and navigate with caution7. Keeping the draft at or below load line mark will insure that the vessel has adequate
3、 A. rolling periods B. displacementC. ballast D. reserve buoyancy8. In coastal waters GPS positions should be checked by A. Visual observationsB. Visual and radar observationsC. Radar observationsD. Buoys and seamarksB9. An occulting light is one in which A. the period of darkness exceeds the period
4、 of lightB. there is only a partial eclipse of the lightC. the periods of light and darkness are equalD. the period of light exceeds the period of darkness10. The common way to obtain your ships position is A. taking a radar range and bearingB. observing a radar target and listening to signalsC. kee
5、ping a well clear cautionD. keeping a close watch and lookout11. What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?A. Depends on seat configurationB. From above the seatC. From below the seatD. Direction is unimportant12. You can
6、 expect frontal activity when two air masses collide and A. there are differences in how they track along the jet streamB. there are no significant differences between their temperatures and moisture contentC. their barometric pressures and temperatures are the sameD. there are significant differenc
7、es between the temperature of each air mass 13. The necessity of the segregation of cargoes is determined by A. personal abilities B. experience from practiceC. different types of shipsD. various types of cargoes14. The term flood current refers to that time when A. the water level is not changingB.
8、 the water is flowing towards the landC. the water level is rising because of heavy rainsD. the water is moving towards the ocean15. What does not contribute to the commercial GPS receiver position error?A. ReceiverB. Ships speed C. Atmospheric / ionospheric propagation （电离层传播）D. Satellite clock16.
9、Wind velocity varies A. directly with the temperature of the air massB. directly with the pressure gradientC. inversely with the barometric pressureD. inversely with the absolute humidity17. Conventional anchors are least likely to hold in a bottom consisting of A. sand B. hard mud C. soft clay D. r
10、ock18. The showed that the ship complied with the requirements of the said Convention.A. sightseeingB. lookingC. inspectingD. seeing19. Which fire-fighting agent is most effective at removing heat?A. FoamB. Dry chemicalC. Carbon dioxideD. Water spray20. A vessel is when she is not at anchor, made fa
11、st to the shore, or aground.A. making wayB. underwayC. dead in the waterD. a power driven vessel21. Horizontal fore or aft motion of a vessel is known as A. surgeB. pitch C. rollD. sway22. Where there are multiple accident victims, which injuries should be the FIRST to receive emergency treatment?A.
12、 Major multiple fracturesB. Eye injuriesC. Back injuries with spinal-cord damageD. Airway and breathing difficulties23. The radio waves used for radar are very short, only long.A. a few centimetersB. a few feetC. a few metersD. a few fathoms24. The difference between the initial trim and the trim af
13、ter loading is known as A. trimB. change of draftC. change of trimD. final trim25. The term of landfall means A. Land first sighted when vessel approaching from seawardB. In sight of an island during a ship on her voyageC. In sight of one another when vessel underwayD. Land last sighted when vessel
14、leaving from a port26. is a full nautical record of a ships voyage, written up at the end of each watch by the officer of the watch.A. Sea ProtestB. Accident ReportC. Deck LogD. Seamens Book27. Which approved lifesaving device is required for each person on board a motor vessel carrying passengers?A
15、. Buoyant vestB. Ring life buoyC. Buoyant cushionD. Life jacket28. A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating A. all is clear, it is safe to approachB. all is clear, it is safe to passC. danger, stay awayD. a distress signal29. A relati
16、ve bearing is always measured from A. the vessels headB. magnetic northC. true northD. the vessels beam30. High pressure ridge from Sevastopol to eastern Libya.A. reachingB. upgradingC. increasingD. extending31. Which general weather conditions should you expect to find in a low pressure system?A. F
17、air weather B. Scattered clouds at high elevationsC. Precipitation and cloudinessD. Gradual clearing and cooler temperature32. The best way to determine id a load is within maximum lifting limits is to use A. a load weight indicatorB. a boom angle indicatorC. prior experience with similar liftsD. ma
18、terial invoices for shipping weights33. As a last resort, a tourniquet can be used to A. hold a victim in a stretcherB. stop uncontrolled bleedingC. restrain a delirious victimD. hold a large bandage in place34. When will the float-free emergency position indicating radiobeacon be activated after ab
19、andoning ship?A. Immediately after floating freeB. After about one hour when the salt water activates the batteryC. Only when keyed by radar of another vesselD. Only when daylight activates the photovoltaic cell35. A wire rope that has been overstrained will show A. a kink in the wire where the stra
20、in occurredB. a decrease in diameter where the strain occurredC. no visible effects of an overstrainD. a bulge in the wire where the strain occurred36. Which davit type can be operated by one man?A. Sheath-screwB. RadialC. GravityD. Quadrantal37. A DECK, SPACE, AREA,ETC., NOT PERMITTED TO BE ENTERED
21、 FOR SAFETY REASONS defines A. Restricted areaB. Closed areaC. Forbidden placeD. Prohibited place38. Damage to cargo caused by fumes or vapors from liquids, gases, or solids is known as A. taintingB. contaminationC. oxidationD. vaporization39. Owing to the big draught of the ship, she has to go alon
22、gside by the time of A. flood timeB. ebb tideC. spring tideD. slack water40. Deviation in a compass is caused by the A. influence of the magnetic materials of the vesselB. vessels magnetic fieldC. vessels geographic positionD. vessels heading41. Loading cargo operation in hold No. 3 stopped owing to
23、 A. gangs availableB. gangs unavailableC. shortage of navigational chartsD. windlass trouble42. The maneuvering information required to be posted in the wheelhouses must be based on certain conditions. Which of the following is NOT one of these conditions?A. The hull must be cleanB. There must be ca
24、lm weather-wind 10 knots or less and a calm seaC. There must be no currentD. The depth of the water must be at least one and one-half times the draft43. The maximum difference between mean time and apparent time is A. about 16 minutesB. equal to the longitude expressed in time unitsC. the difference
25、 between the GHA of mean sun and the first point of AriesD. 15of arc44. You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?A. Proceed to the space and inspect the extent of the fireB. Shut down the cargo hold ventilationC. Call the MasterD. Sound th
26、e fire alarm signal to rouse out all hands45. Data relating to the direction and velocity of rotary tidal currents can be found in the A. Tide TablesB. Nautical AlmanacC. Mariners GuideD. Tidal Current Tables46. When navigating using DGPS （Differential Global Positioning System） you may expect your
27、position to be accurate to within a radius of A. 50 metersB. 100 meters C. 20 metersD. 10 meters47. A chart has extensive corrections to be made to it. After having been corrected, the chart is printed again and the chart issue is a A. first editionB. reprintC. new editionD. revised edition48. You s
28、ee another vessel approaching, and its compass bearing does not significantly change. This would indicate that A. the other vessel is dead in the waterB. a special circumstances situation existsC. risk of collision existsD. you are the stand-on vessel49. What is the right way to use VHF CH16 and working channel?A. Ships can call other ships on Ch16 but should change to a working channel as soon as possibleB. Ch16 is only used as the international distress and calling frequencyC. Ships can use Ch16 or working channel as they likeD. Ships should use working channel to call other ships at
