网课《航海英语》章节测试答案

                     第1章 单元测试

1、Attention is called to the fact that in many cases pipelines  are not _ and charted depths may be decreased by up to 2  meters.

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2、Depths of {wk.} are to be inserted  in the chart.

答案：B. wreck

3、For full information regarding the  current circulation of the Indian Ocean, __ Sailing Direction, Current Atlas,  etc.

答案：open up

4、In Admiralty Sailing Directions, STRIPES is the  word used to indicate __ marking.

答案：In a hospital.

5、In the  Uniform Cardinal System of Buoyage, a buoy in the eastern quadrant from a danger  could __.

答案：C. have a black top mark

6、The lateral system is used  in .

答案：all of the above.

7、What would be the color of an IALA  starboard hand lateral buoy, as seen when sailing toward land, in  Europe?

答案：A. Green

8、When reversing, the tidal stream will have a  period with little or no effect. This is call the. 答案：C. slack

9、The  average time between two high waters is 12 hours and 25 minutes because this is  the time it takes for __.

答案：ordering dishes from the  menu.

10、What is the tidal height?

答案：C. The water above the  Lowest Astronomical Tide

11、Data relating to the direction and velocity  of rotary tidal currents can be found in the __

答案：B. Tidal Current  Tables

12、From __ the mariner can know the data of  tide.

答案：Listlessly

13、Which is a weekly publication advising  mariners of important matters affecting navigational Safety ?

答案：B.  Notice to Mariners

14、In which source could you find the number of a  chart for a certain geographic area?

答案：B. Catalog of  Charts

15、All of the following information concerning lighted aids to  navigation may be read directly from the light list except the __

答案：C.  luminous range

16、The arrangement of charts in the catalogue is .  答案：climax

17、The datum from which the predicted heights of tides are  reckoned in the tide table is _.

答案：A

18、Many of the soundings  shown on the chart are derived from _ , Undue reliance should not be placed upon  them.

答案：Inadequate and often very old surveys

19、Lines on a chart  which connect points of equal magnetic variation are called __.

                     

答案：points  of equal variation

20、How is the annual rate of change for magnetic  variation shown on a pilot chart?

答案：A. Gray lines on the uppermost inset  chart

第2章 单元测试

1、The correct method of switching off a marine  radar is to turn power switch to position first, then to __  position.

答案：B.standby / off

2、The abbreviation PPI in the Sperry  Collision Avoidance System means . 答案：A.plan position indicator

3、Radar  makes it possible and much safer for us to sail .

答案：A.in dense  fog

4、The 10-cm radar as compared to a 3-cm radar of similar  specifications will __. 答案：C.have a wider horizontal beam width

5、The  ARPA may swap targets when automatically tracking if two targets  __

答案：D.pass close together

6、The common way to obtain your ship’s  position is . 答案：an identical signal appears on both inputs

7、The radio  waves used for radar are very short ， only____long ．

答案：A.a few  centimeters

8、When hitting a solid object such as a ship or an airplane,  the radar waves are reflected back______ they came.

答案：D.through the  path

9、When using a radar in a unstabilized mode, fixes are determined  most easily from . 答案：6A

10、25. Which general statement concerning radar  is FALSE __. 答案：The ability of radar to detect objects is unaffected by weather  conditions

第3章 单元测试

1、A boundary between two air masses is a (n) .  答案：C. front

2、A cloud of marked vertical development (often anvil-shaped)  would be classified as __.

答案：D. Cumulonimbus

3、A cyclone in its  final stage of development is called a(n) __.

答案：C. occluded cyclone or  occluded front

4、A hygrometer is device used for determining  __.

答案：D. relative humidity

5、Advection fog is most commonly  caused by __.

答案：D. warm moist air being blown over a colder  surface

6、An occluded front is caused by a(n) __.

答案：C. cold front  overtaking a warm front

7、Clouds appearing in the following order:  cirrus, cirrostratus, altostratus, stratus, and nimbostratus usually indicate  the approach of a(n) __.

答案：is a possible way to prevent or control the  lightning-caused fires

8、Pressure gradient is a measure of  __.

答案：n. 压力；压迫，[物] 压强

                     

9、The atmosphere in the vicinity of a high  pressure areas is called a (n) . 答案：√

10、A generally circular low  pressure area is called a (n) _. 答案：A. cyclone

11、The legend/symbol which  designates an occluded front is represented by a _. 答案：B. Purple  line

12、A psychrometer has two thermometers that provide dry bulb and wet  bulb temperatures. By comparing these two temperature readings with a set of  tables, you can determine the _ 答案：该问题答案暂未收录，请手动搜索。

13、A sea breeze is a  wind . 答案：B. that blows towards an island during the day

14、When winds of  force reach 10-11 in Beaufort Scale ， usually we call such winds as__  ．

答案：C．Storm

15、Anticyclones are usually characterized by .  答案：错误

16、Altocumulus clouds are defined as __. 答案：√

17、One of the  factors which affects the circulation of ocean currents is _ 答案：C. Having  completed

18、Ocean currents are well defined  and.

答案：集电极开路门

19、A sling psychrometer is a(n) __.

答案：C.  instrument used to measure relative humidity

第4章 单元测试

1、You should  conduct a sector search under which of the following  circumstances?

答案：A.The search target is sighted and then lost

2、A  race track turn would be better than a Williamson turn in recovering a man  overboard if .

答案：B.the sea water is very cold and the man is  visible

3、A twin-screw vessel can clear the inboard propeller and  maneuver off a pier best by holding a(n) .

答案：D.forward spring line and  going slow ahead on the outboard engine

4、You may BEST turn a twin-screw  vessel about，to the right，in a narrow channel by using . 答案：C.port engine ahead  and the starboard engine astern

5、A vessel fitted with twin screws is  easier in _ than a vessel with single screw．

答案：A.turning  maneuver

6、Your ship is dead in the water with the rudder amidships. As  the right-handed screw starts to turn ahead，the bow will tend to go . 答案：B.to  port

7、A vessel travelling down a narrow channel, especially if the draft  is nearly equal to the depth of water, may set off the nearer side. This effect  is known as .

答案：D.bank cushion

8、A single-screw vessel going  ahead tends to turn more rapidly to port because of propeller.  答案：C.sidewise(横斜的)force

                     

9、In a following sea, a wave has overtake your  vessel and thrown the stern to starboard .to continue along your original  course, you should___

答案：A. more right rudder

10、In ballasting to  survival draft .while in transit, due to extreme wind and wave loads, thrusters  or propulsion, if available, should be used to___

答案：B.maintain vessel  heading

11、The side of a ship which is farther from the wind is  __

答案：C.lee side

12、The key factors to consider when approaching a  casualty vessel or survivors are ____1.If a lee side protection is require。2.  The rate of drift of the casualty vessel or survivors. 3. The rate of drift of  the rescue vessel.

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13、If you must enter water  on which there is an oil fire, you should __.

答案：第一空： □□□□□□□□5 □□□□□□□□5  □□□□□□□□1

14、THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT  WHICH THE PILOT CAN SAFELY EMBARK is __.

答案：boarding speed

15、A  vessel is equipped with twin propellers ， both turning outboard with the engines  half ahead. If there is no wind or current and the rudders are amidships ， what  will happen?

答案：D. The vessel will steer a fairly straight  course.

16、It is easier to dock a right hand , single screw vessel  .

答案：C. port side to the wharf

17、Current refers to the  __.

答案：B. horizontal movement of the water

18、Which standard man  overboard manoeuvre is considered the best during bad visibility  conditions?

答案：D. The Williamson turn

19、One major advantage of  the round turn maneuver in an man overboard situation is that it .

答案：A.  is the fastest method

20、The distance that a vessel travels from the time  that the order to put engines full astern until the vessel is dead in the water  is known as

答案：B. head reach

第5章 单元测试

1、Vessel shall  normally join or leave a traffic lane _ of the  lane.

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2、The rules state that vessels may  depart from the requirements of the Rules when______ ．

答案：D．necessary to  avoid immediate danger

3、Your 15-meter tug is underway and crossing a  deep and narrow channel. A large container vessel is of your port bow on a  steady bearing. Which statement is true concerning this situation ?

                     

答案：C.  You are not to impede the safe passage of the container vessel in the  channel

4、Systems of inbound and outbound lanes to promote the safe flow  of vessel traffic in certain areas around the world are known as  __

答案：错

5、When action to avoid a close quarters situation is  taken, a course change alone may be the most effective action provided that .  答案：it is a large course change

6、When navigating in thick fog with the  radar on ， you should____ ．

答案：C．station a lookout as low down and far  forward as possible

7、While underway your vessel approaches a bend in a  river where, due to the bank, you cannot see around the bend. You should  __

答案：第一空： 分号;;

8、Every vessel should at all times proceed at a  safe speeD. Safe speed is defined as that speed where __.

答案：you can take  proper and effective action to avoid collision

9、Risk of collision may  exist __.

答案：高脂血症、冠心病、动脉粥样硬化、糖尿病

10、In a traffic separation  scheme, when joining a traffic lane from the side, a vessel shall do  so

答案：C. at as small an angle as possible

11、Every vessel that is  to keep out of the way of another vessel must take positive early action to  comply with this obligation and must __.

答案：has

12、Your vessel is  crossing a narrow channel. A vessel to port is within the channel and crossing  your course. She is showing a black cylinder. What is your  responsibility?

答案：D. Do not cross the channel if you might impede the  other vessel.

13、The Navigation Rules state that a vessel shall be  operated at a safe speed at all times so that she can be stopped within  __.

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14、By radar alone, you detect a vessel  ahead on a collision course, about 3 miles distant. Yourradar plot shows this to  be a meeting situation. You should __.

答案：B. turn to  starboard

15、A power—driven vessel operating in a narrow channel with a  following current, on the Western Rivers, is meeting an up bound vessel. Which  statement is TRUE?

答案：D. all of the above

16、Which of the  following statement is correct regarding ship handling when in the vicinity of  traffic separation schemes ？ (1)A vessel shall ， so far as practicable ， avoid  crossing traffic lanes (2)If obliged to cross traffic lanes ， she shall do so as  nearly as practicable at right angles to the general direction of traffic flow  ．

                     

答案：C．Both(1) and (2)

17、Which statement is TRUE concerning risk  of collision?

答案：B. proper use shall be made of radar equipment to  determine risk of collision

18、A sailing vessel is proceeding along a  narrow channel and can safely navigate ONLY inside the channel. The sailing  vessel approaches a vessel engaged in fishing in the narrow channel. Which  statement is TRUE?

答案：C.The fishing vessel is directed not to impede the  passage of the sailing vessel

19、In determining a safe speed __ shall be  taken into your consideration.

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