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智慧树知到《航海英语》章节测试答案 

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智慧树知到《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.

答案:该问题答案暂未收录,请手动搜索。

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.

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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

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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

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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__ .

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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

智慧树知到《航海英语》章节测试答案 

*****智慧树知到《航海英语》章节测试答案第1章单元测试1、Attentioniscalledtothefactthatinmanycasespipelinesarenot_andcharteddepthsmaybedecreasedbyupto2meters.答案:
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