航海英语题库 船舶避碰

1、船舶避碰09.1 海上避碰规则2451A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessels port side The sailing vessel is the _. A. privileged vessel and would sound two short blasts B. burdened vessel and would sound two prolonged blasts followed by tw

2、o short blasts C. burdened vessel and would sound no whistle signal D. privileged vessel and would sound no whistle signal KEY: B2452A stand-on vessel in a crossing situation is allowed to take action when _. A. on a collision course B. the vessels will pass within one mile C. it becomes apparent to

3、 her that the give-way vessel is not taking appropriate action D. the relative speed of the vessels indicates collision in less than six minutes KEY: C2453A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? A. Length of

4、 the towline B. Height of the towline connection C. Longitudinal position of the towline connection D. Direction of opposing force KEY: B2454A vessel constrained by her draught shall，when risk of collision with another vessel in a crossing or head-on situation exists，_. A. apply the relevant Steerin

5、g and Sailing Rules as a power-driven vessel B. apply the relevant Steering and Sailing Rules as a Sailing vessel C. apply the relevant Steering and Sailing Rules as a vessel not under command D. apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation KEY: A2455A vess

6、el engaged in fishing underway sounds the same fog signal as a _. A. power-driven vessel stopped and making no way through the water B. vessel being towed C. vessel restricted in her ability to maneuver at anchor D. sailing vessel at anchor KEY: C2456A vessel has sustained damage in a collision with

7、 another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate? A. American Consul B. Classification Society C. Captain of the Port D. Officer in Charge，Marine Inspection KEY: B2457A vessel is approaching from dead ahead Both of her sideligh

8、ts are visible and her range lights are in line Which of the following could you do first？ _. A. Sound one blast of the whistle B. Alter course to starboard C. Construct a radar plot D. Sound the danger signal KEY: B2458A vessel is in sight of another vessel when _. A. she can be observed by radar B

9、. she can be observed visually from the other vessel C. she can be plotted on radar well enough to determine her heading D. her fog signal can be heard KEY: B2459A vessel is in sight of another vessel when she _. A. can be observed by radar B. has determined that risk of collision exists C. is sound

10、ing a fog signal which can be heard on the other vessel D. can be observed visually from the other vessel KEY: D2460A vessel restricted in her ability to maneuver is one which _. A. through some exceptional circumstance is unable to maneuver as required by the Rules B. from the nature of her work is

11、 unable to maneuver as required by the Rules C. due to adverse weather conditions is unable to maneuver as required by the Rules D. has lost steering and is unable to maneuver KEY: B2461All of the following are practices of good seamanship EXCEPT _. A. When meeting，altering course to the left to inc

12、rease sea room B. Maintaining an alert radar watch in reduced visibility C. Showing a flare-up light to attract attention when you are not under command D. Maintaining a proper lookout from sunrise to sunset KEY: A2462All of the following constitute special circumstances EXCEPT _. A. Three vessels m

13、eeting so as to cross each others course B. A vessel meeting a vessel that is backing out of a slip C. An overtaking situation that has reached in extremis D. A vessel fishing with nets meeting a sailing vessel KEY: D2463Any alteration of course andor speed to avoid collision shall，if the circumstan

14、ces of the case admit，_ to another vessel observing visually or by radar A. be large enough to be readily apparent B. be a succession of small alterations C. be with due regard to the power and speed of the vessel D. leave sufficient room for the other vessel to take action KEY: A2464Any vessel _ an

15、y other shall keep out of the way of the vessel _. A. overtakingovertaken B. being overtakebeing overtaken C. overtakingbeing overtaken D. being overtakingovertaken KEY: C2465If it becomes necessary for a stand-on vessel to take action to avoid collision，she shall NOT，if possible，_. A. decrease spee

16、d B. increase speed C. turn to port for a vessel on her own port side D. turn to starboard for a vessel on her own port side KEY: C2466If there is any doubt as to the proper operation of a radar，which statement is TRUE? _. A. Only a radar expert can determine if the radar is operating. B. All radars

17、 have indicator lights and alarms to signal improper operation. C. A radar range compared to the actual range of a known object can be used to check the operation of the radar. D. The radar resolution detector must be energized to check the radar. KEY: C2467If there is sufficient sea room，alteration

18、 of _ may be the most effective action to avoid close-quarters situation A. speed and course B. speed alone C. course alone D. speed or course KEY: C2468If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a _. A. vessel not under command B. sailing vessel C. v

19、essel being towed (manned) D. vessel being towed (unmanned) KEY: C2469In a crossing situation on open waters，a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel _. A. not under command B. restricted in her ability to maneuver C. engaged in towing D. fishing KEY: C

20、2470In determining if risk of collision exists the following considerations shall be among _. A. these taken into calculation B. those taking into account C. that taken into account D. those taken into account KEY: D2471In determining safe speed，the Rules list all of the following as factors which m

21、ust be taken into account EXCEPT the _. A. limitations of radar equipment B. presence of background lights at night C. maximum horsepower of your vessel D. maneuverability of your vessel KEY: C2472In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 mile

22、s off your port bow. You should _. A. stop your engines B. sound the danger signal at two-minute intervals C. hold course and speed until the other vessel is sighted D. take avoiding action as soon as possible KEY: D2473In order for a vessel to be engaged in fishing she must be _. A. underway B. usi

23、ng gear which extends more than 50 meters outboard C. using a seine of some type D. using gear which restricts her maneuverability KEY: D2474In order to maintain speed while changing course from a close reach to a broad reach，the sails should be _. A. lowered B. reefed C. hauled in D. eased out KEY:

24、 D2475In reduced visibility，you hear two prolonged blasts of a whistle. This signal is sounded by a _. A. power-driven vessel dead in the water B. sailing vessel on the port tack C. vessel not under command D. vessel fishing with nets KEY: A2476In restricted visibility a towed vessel must sound a fo

25、g signal when it is _. A. the last vessel in the tow B. the last vessel in the tow and it is carrying a crew C. manned，regardless of its position in the tow D. None of the above are correct KEY: B2477In restricted visibility the speed of a vessel without operational radar may be _ enable effective a

26、voiding action to be taken on sighting another ship A. too low to B. too high to C. too high for D. too low for KEY: A2478In the daytime，you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows _. A. a basket B. a black ball C. a black cone D. two bla

27、ck cones KEY: C2479It has often been stressed in the Courts that the look-out man should，preferably，be stationed forward，unless weather conditions make this _. A. possible B. practicable C. impossible D. probably KEY: C2480On open waters，a power-driven vessel shall keep out of the way of a _. A. ves

28、sel on her port side that is crossing her course B. vessel that is overtaking her C. seaplane on the water D. sailing vessel KEY: D2481On open waters，a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessels starboard side. Which vessel is the stand-on vessel?

29、_. A. The fishing vessel because it is to port of the sailing vessel. B. The fishing vessel because it is fishing. C. The sailing vessel because it is to starboard of the fishing vessel. D. The sailing vessel because it is sailing. KEY: B2482Power-driven vessels must keep out of the way of sailing v

30、essels except _. A. in a crossing situation B. when they are making more speed than the power-driven vessel C. when the sailing vessel is overtaking D. on the Inland Waters of the United States KEY: C2483Risk of collision is considered to exist if _. A. four vessels are nearby B. a vessel has a stea

31、dy bearing at a constant range C. there is any doubt that a risk of collision exists D. a special circumstance situation is apparent KEY: C2484Sailing vessels are stand-on over power-driven vessels except _. A. in a crossing situation B. in a meeting situation C. when they are the overtaking vessel

32、D. on the inland waters of the PR China. KEY: C2485The effectiveness of the action shall be carefully checked until the other vessel is finally _. A. past B. clear C. past or clear D. past and clear KEY: D2486The risk of collision shall be deemed to exist if the compass bearing of an approaching ves

33、sel _. A. did not appreciably change B. does not appreciably change C. do not appreciably change D. not appreciably change KEY: B2487The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that _. A. risk of collision exists B. the other vessel will cross ah

34、ead of her C. the other vessel is not taking appropriate action D. collision cannot be avoided by the give-way vessels maneuver alone KEY: D2488The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the _. A. radio communications that are

35、 available B. maximum speed of your vessel C. temperature D. current KEY: D2489The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include _. A. state of wind，sea，and current，and the proximity of navigational hazards B. maximum attainable spee

36、d of your vessel C. temperature D. aids to navigation that are available KEY: A2490The steering and sailing rules for vessels in restricted visibility apply to vessels _. A. in sight of one another in fog B. navigating in or near an area of restricted visibility C. only if they are showing special p

37、urpose lights D. only if they have operational radar KEY: B2491The term power-driven vessel means _ in these Rules A. any sailing vessel with propelling machinery B. any vessel propelled by machinery C. any sailing vessel with or without machinery for propelling D. any sailing vessel with propelling

38、 machinery not in use KEY: B2492The term restricted visibility，when used in the Rules，refers to _. A. situations when you can see vessels on radar that you cannot see visually B. visibility of less than half a mile C. any condition where visibility is restricted D. visibility where you cannot see sh

39、ore KEY: C2493The wind is ESE，and a sailing vessel is steering NW. Which fog signal should she sound? A. One blast at one-minute intervals B. One blast at two-minute intervals C. Two blasts at one-minute intervals D. One prolonged and two short blasts at two-minute intervals KEY: D2494Under Internat

40、ional Rules _. A. all vessels must carry an after range light B. vessels less than 50 meters in length need not carry an after range light C. vessels stopped dead in the water should turn off their range lights D. vessels over 20 meters in length must carry both range lights from sunset to sunrise K

41、EY: B2495Underway vessels shall at all time maintain a proper look-out _. A. by sight and hearing only B. by all available means besides sight and hearing C. by all available means except sight and hearing D. by none of above means KEY: B2496Vessel constrained by her draught is _. A. a non-power dri

42、ven vessel B. a sailing vessel C. a power driven vessel D. a power driven vessel or a non-power driven vessel KEY: C2497Vessel underway means that a vessel is _. A. on the way B. at anchor C. made fast to a terminal D. moving against water KEY: D2498Vessels shall be deemed to be in sight of one anot

43、her only when one _ from the other A. can be observed visually B. can be observed by radar C. can be located on the radar D. can be heard KEY: A2499What determines if a vessel is restricted in her ability to maneuver? _. A. Whether or not all of the vessels control equipment is in working order B. T

44、he vessels draft in relation to the available depth of water C. Whether the nature of the vessels work limits maneuverability required by the Rules D. Whether or not the vessel is the give-way vessel in a meeting situation KEY: C2500When a pushing vessel and a vessel being pushed are rigidly connect

45、ed in a composite unit，they shall be regarded as _. A. a tugboat B. a sailing vessel C. a power-driven vessel D. a vessel propelled by machinery and under sail KEY: C09.2 航行值班与海上避碰2501You are approaching another vessel and are not sure whether danger of collision exists. You must assume _. A. there

46、is a risk of collision B. you are the give-way vessel C. the other vessel is the give-way vessel D. there is no risk of collision KEY: A2502You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must _. A. stop your engines B. sound two

47、prolonged blasts of the whistle C. sound the danger signal D. slow to bare steerageway KEY: D2503While underway at night you observe a vessels range lights in line off your starboard beam You should _. A. come right B. sound the danger signal C. continue on your course D. come left KEY: C2504Where d

48、oes the look-out man stand？ _. A. In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly B. In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal C. In positions in w

49、hich the hearing of a signal is reduced to a minimum D. In a position in which the man can see clearly KEY: A2505When your vessel enters thick fog，she should sound _ every two minutes in accordance with these Rules A. one short blast B. one prolonged blast C. two short blasts D. three short blasts K

50、EY: B2506When you doubt the existence of risk of collision，_. A. such risk shall be deemed to exist B. such risk shall not be deemed to exist C. you neednt take any action to avoid collision with any vessel D. you should accelerate your speed ahead KEY: A2507When two power-driven vessels are meeting

51、 on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in _. A. crossing situation B. head-on situation C. restricted visibility D. overtaking situation KEY: B2508When in sight of another vessel，any action taken to avoid collision must _. A. be acco

52、mpanied by sound signals B. not result in another close quarters situation C. include a speed change D. All of the above KEY: B2509When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，_ shall be d

53、eemed to exist A. head-on situation B. end-situation C. crossing situation D. close-quaters situation KEY: A2510In determining safe speed，all of the following must be taken into account EXCEPT the _. A. maximum horsepower of your vessel B. presence of background lights at night C. draft of your vess

54、el D. maneuverability of your vessel KEY: A2511In determining if risk of collision exists，if there is any doubt，such risk shall be deemed to _. A. exist B. exists C. existing D. to be existed KEY: A2512In determining a safe speed _ shall not be among those taken into account A. the characteristics，efficiency and limitation of the radar equipment B. any constraints imposed by the radar range scale in use C. the effect on radar detection of the sea state，weather and other sources of interference D. the safe working load