航海英语综合试题四
航海英语练习题四
一、选择题：（1×70）
1.__A__ (散货船) ships carry large quantities of cargo. A. Bulk cargo B. Oil C. Gas
2.__B__(不定期船) run in all parts of the world. A. Barges B. Tramps C.
Ferries
3.___C_(油轮) is one of the examples of liquid cargo ships.
A. Liquid cargo
B. General cargo
C. Oil tanker
4.__C__(班轮) sails on regular routes. A. Light ship B. Life craft C.
Liners
5.__A__(集装箱) are carried in container ships. A. Containers B. Oil C. Cars
6.Fish carried in __B__(冷藏) ship. A. cargo B. refrigerated C.
Ro/Ro
7.Explosive cargo is __A__(危险) cargo. A. dangerous B. inflammable C.
chemical
8.The cargo may be __B__(重) cargo. A. light B. heavy C. bulk
9.The after part of a ship is called___C_(船尾). A. head B. bow C. stern
10.The hull is divided a number of __C__(水密) compartment. A. gas tightB. water C. watertight
11.At the fore end of a ship is the fore __A__(尖舱). A. peak tank B. poop tank C.
bow
12.The ship’s tanks are used for ___B_(压舱水) and fuel.Abilge waterBballast waterC. fresh
water
13.The carpenter __C__(测量水柜) everyday. A. watches tanks B. measure tanksC. sounds tanks
14.The carpenter also __A__(开) windlass when anchoring. A. operate B. open C.
switch
15.A quartermaster ___A_(操舵) on the bridge at sea. A. takes wheel B.cleans decksC.gives
orders
16.They also ___B_(开关) hatches when the ship is in port. A. operate B. open and close C.
clean
17.The ship’s ___C_(天文钟) is a very accurate clock. A. watch B. time C.
chronometer
18.Officers use sextants to observe ____B(天体). A. stars B. celestial bodies C. the
sun
19.This is a radio ___B_(定向仪). A. compass B. direction finder C.
loran
20.The __C__(天线) is like a dish. A. line B. thread C. aerial
21.Course ___C_(复原) A. on port B. on starboard C.
again
22.Put the buoy on the ____A(左弦). A. port side B. starboard side C. left
side
23.How is the ___B_(舵角)? A. course B. rudder C. answer
24.__A__(正舵)！ A. Amidships B. Steady C. Hold on
25.Hold on the __B__(后) back spring! A. forward B. aft C. stern
26.Put the spring on the ___C_(系缆桩) ! A. wharf B. board C. bitts
27.Each line has a large __B__(琵琶头) splice in the end. A hole B. eye C ring
28.__B__(解掉) the spring! A. Make fast B Let go C Hold on
29.__B__(锚链) is tight! A. Shackle B. Anchor chain C. Anchor
30.Lower the anchor until it leaves clear of __B_(锚链筒).A.chain lockerB.hawse pipeC.
windlass
31.First, clean the _B___ (锚链舱)。 A. chain pipe B. chain locker C. hawse
pipe
32.Clean the anchor locker__A__(管). A. pipe B. hose C. hawse
33.__B__(调整) when necessary. A. Try B. Adjust C. Notice
34.Look ___A_(周围) of the ship. A. around B. four sides C. at
35.Switch on and __B__(关) hatch lights. A. switch on B. switch off C. stop
36.__C__(升) and lower the flag. A. Rise B. Bring C. Ho ist
37.This is a ____C(侧滚动) type hatch cover. A. folding B. rolling C. side rolling
38.To avoid shock, reduce speed by ___A_(低速) control.A. low speed B. high speed C.
inching
39.The ___C_(吊杆) on hatch No.3 is in trouble. A. winch B. crane C. derrick
40.The ___B_(鹅颈头) is bent. A. screwdriver B. gooseneck C. spanner
41.__C__ run in all part of the world to carry cargo. A. Liners B. Tugs C. Tramps
42.Bulk carriers have __A__ . A. large holds B. tween decks C. a lot of decks
43.There are C passenger ships today than thirty years ago. A. few B. fewer C. a few
44.Containers are __A__ loaded and unloaded. A. more easily B. easier C. much easy
45.The containers are stowed both __C__ deck.A. on top of B. on and along C. above and below
46.Many types of general cargoes are carried in __C__.A. large bags B. big drums C.
containers
47.At the fore end of hull are fore _C___. A. water tanks B. tanks C. peak tanks
48.A short raised deck above the main deck at stern is called the A .
A. fore deck
B. poop deck
C. aft quarter
49.The depth from water line to ship’s bottom is called _A__A. draft B.displacement C.
freeboard
50.The second officer hand over the watch to _A___. A. c/officer B. 2/officer C. 3/officer
51. The captain is an experienced _C___ A. navigation B navigating C. navigator
51.He __B__is in charge of the life---saving equipmentA. bosun B. third officer C. second officer 53The officers take observation of celestial bodies with __A__ A. the sextant B. binoculars C. Loran
54__ A_can help ships navigate in poor visibility . A. Radar B. The compass C. Loran
55 The quartermaster works_C__ the wheel. A. on B. with C. at
56 A line leading aft from forecastle to shore is called B A.aft spring Bforward springCstern line
57.Sailors should __B__gangway watch when a ship is in port. A. have B. keep C. look
58.Agent, the captain is __B__you in his cabin . A. waiting B. expecting C. looking for
59.I will tell the captain when he__B_ back. A. comes B. will come C. came
60.On which side do you want the ladder__B__? A. lowering B. lowered C. lower
61.Pull out the nail __A__a claw hammer A. with B. in C. by
62.Please return it after ___C_. A. used B use C. using
63.A ___A_can give power to hoist or lower the cargo. A. cargo winch B. lift winch C. derrick
64.Something has gone wrong__B__ the winch. A. for B. with C. in
65.Do not leave the lashing tools __B__about. A .lie B. lying C. laying
66 .I want some clamps. Can you __A__me some? A. take B .bring C. carry
67. Bridge decks, cabin doors and hand rails are usually coated with B .
A. varnish
B. white glass paint
C. bitumen
68.__A__gives a clear protective coat to woodwork. A. V arnish B. white glass paint C. Paint
69.The bosun is satisfied __B__your work. A. for B. with C. to
70. Everything on the bridge should be _C__clean and tidy. A. keeping B. keep C. kept
二、英语句子翻译选择：30分（3X10）
71. All crew on board are looking forward to letters. A
A.船上所有船员都盼望家信。
B.船上所有船员都盼望靠码头。
C. 船上所有船员都盼望返航消息
72. Lifting capacities of derricks vary from three to ten tons. A
A.吊杆的负荷量三至十吨不等。
B.克林的负荷量三至十吨不等
C. 他们每24小时值两次班.
73.Navigators take observations of the stars with a sextant. B
A.航海人员用望远镜观测星体。
B.航海人员用六分仪观测星体。
C. 航海人员用雷达观测海上目标
74.The freeboard is greater than 9 meters. A
A.干舷大于9米。
B. 干舷小于9米。
C. 船长大于9 米
75.They each take two watches within twenty-four hours day. C
A.他们每天24小时值班
B.他们每隔24小时值一次班。
C. 他们每24小时值两次班
76.杂货船可以用自己的吊杆装卸货物。 C
A.General cargo ships may load and unload by cranes or by her own derricks.
B.Bulk carriers may load and unload by cranes or by her own derricks.
C.General cargo ships load and unload by her own derricks.
77. 湿货要远离干货。A
A.Wet cargoes must be kept away from dry cargoes.
B.Heavy cargoes must be kept away from dry cargoes.
C.Light cargoes must be kept away from dry cargoes.
78. 船舶的主体是船壳。C
A.The main body of a vessel is the engine room.
B.The main body of a vessel is the superstructure.
C.The main body of a vessel is the hull.
79.每一班由一名值班驾驶员负责。 B
A.Each watch is in the charge of the captain.
B.Each watch is in the charge of an duty officer.
C.Each watch is in the charge of an duty sailor.
80. 生锈钢板应该刮净出白。C
A.The rusty masts should be scraped and brushed to bare metal.
B.The woodwork should be varnished.
C.The rusty plates should be scraped and brushed to bare metal.
航海英语第四十六期题与答案[1]
中国海员之家网站考试资料系列46 期航海英语试题 科目：航海英语试卷代号：903 适用对象：无限航区，近洋航区船舶二、三副 （本试卷卷面总分100 分，及格分数70 分，考试时间100 分钟） 答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在相应位置上用2B 铅笔涂黑。第1 题至88 题，每题1 分，第89 题至96 题，每题 1.5 分。 一、单项选择题 1. Information on the opening times and characteristics of radiobeacons can be found in which publications? A. List of Light B. Coast Pilot C. Sailing Directions D. List of Radiobeacons 2. Mariners not entering the port are ______ to keep at least one mile off. A. advised B. reported C. complied D. supplied 3. The velocity of the current in large coastal harbors is______. A. predicted in Tidal Current Tables B. unpredictable C. generally constant D. generally too weak to be of concern 4. A mercator chart is a______ A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection 5. Why does distance always have to be measured from the nearest scale on a Mercator chart? A. Because it is the most efficient way B. Because it varies with the change of latitude C. Because it varies with the change of longitude D. Because it is the most straight line 6. Who is responsible for the voyage plan? A. The person who has done the planning B. The master C. The navigation officer D. The owner 7. Charted depth is the______. A. vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide B. vertical distance from the chart sounding datum to the ocean bottom C. average height of water over a specified period of time D. average height of all low waters at a place 8. Defense plans may cause the operation of electronic aids to navigation to be suspended with ______. A. no notice B. one day's notice C. a week's notice D. thirty (30)days notice 9. Periodic publications notifying change in, or additions to, previously published navigational date are______. A. Supplements B. Annual Summary C. Navigational Warning D. Notices to Mariners 10. ______is a full nautical record of a ship's voyage, written up at the end of each watch by the officer of the watch. 中国海员之家网站考试资料系列46 期航海英语试题第2 页 中国海员之家网站（http://www.seamancn. com ）搜集整理，更多考试资料请到网站免费下载。 A. Sea Protest B. Deck Log C. Accident Report D. Seaman's Book 11. Do you need to measure oxygen levels before entering an enclosed space?
航海英语新题库(上海)
一、海图及海图作业50题 [251]To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds． A. with B. in C. by D. to [252]On this chart only the principle ______ to navigation are shown．A.equipment's B.tools C.apparatus D.aids [253]Many of the soundings shown on the chart are derived from _____.Undue reliance should not be placed upon them． A. complete and often very poor surveys B. correct and often very good surveys C. inadequate and often very old surveys D. adequate and present surveys [254]Lines on a chart which connect points of equal magnetic variation are called ______. A. magnetic latitudes B. magnetic declinations C. dip D. isogonic lines [255]Isogonic lines are lines on a chart indicating ___. A. points of equal variation B. points of zero variation C. the magnetic latitude D. magnetic dip [256]In which source could you find the number of a chart for a certain geographic area? ______. A. Chart No. 1 B. Catalog of Charts C. IMO Practical Navigator D. IMO Light List [257]How is the annual rate of change for magnetic variation shown on a pilot chart? ______. A. Gray lines on the uppermost inset chart B. Red lines on the main body of the chart C. In parenthesis on the lines of equal magnetic variation D. Annual rate of change is not shown. [258]Charted depth is the ______. A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide B.vertical distance from the chart sounding datum to the ocean bottom C.average height of water over a specified period of time D.average height of all low waters at a place [259]Chart correction information is NOT disseminated through the ______. A. Summary of Corrections B. Local Notice to Mariners C. Daily Memorandum D. Chart Correction Card [260]All straight lines represent great circle tracks on a chart based on a(n) ______. A. Mercator projection B. polyconic projection C. orthographic projection D. gnomonic projection [261]A revised print of a chart is made ______. A. after every major hydrographic survey of the area covered by the chart B. when there are numerous corrections to be made or the corrections are extensive C. when a low-stock situation occurs and minor corrections are made D. every two years to update the magnetic variation information [262]A Mercator chart is a ______. A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection [263]______ chart 3994，positions read from this chart should be shifted 0．03 minutes Northward． A. To consider B. To check C. To examine D. To agree with [264]The changes in the channel's sands and buoys on this coast are ______ this chart can not be considered as a safe guide of the channel．A. frequent B. so frequent C. frequent that D. so frequent that [265]______ is a term denoting the determination of a ship's position by observations of Celestial or terrestrial objects，or by a combination of both． A. Course-planning B. Position-fixing C. Radar-plotting D. Stowage-plan making [266]A chart position enclosed by a semi-circle is a(n) A. fix B. estimated position C. dead reckoning position D. running fix [267]A true bearing of a charted object，when plotted on a chart，will establish a ______. A. fix B. line of position C. relative bearing D. range [268]Admiralty Charts are published in ______. A. U．S．A B. China C. U．K D. Japan [269]Attention is ______ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1．A. fixed to B. needed for C. pushed to D. drawn to [270]Distance along a track line is measured on a Mercator chart by using the ______. A. latitude scale near the middle of the track line B. longitude scale near the middle of the track line C. latitude scale at the midlatitude of the chart D. latitude or longitude scale at the middle of the scale [271]Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______. A. red triangle with the letter R B. white triangle with the letters RG C. green square with the letter G D. white square with the letters GR [272]Magnetic information on a chart may be ______. A. found in the center(s) of the compass rose(s) B. indicated by isogonic lines C. found in a note on the chart D. All of the above [273]My position has been obtained ______ astronomical observation．A. with B. from C. on D. by [274]Navigational charts are ______ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners． A. published with B. combined with C. in connection with D. subject to [275]On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a ______. A. conspicuous object B. steep depression in the surrounding hills that resembles a cup C. domed structure useful for navigation D. calling-up-point used for traffic control [276]Solid green arrows on the main body of a pilot chart indicate ______. A. prevailing wind directions B. prevailing ocean current directions C. probable surface current flow D. shortest great circle routes [277]The agonic line on an isomagnetic chart indicates the ______. A. magnetic equator B. magnetic longitude reference line C. points where there is no variation D. points where there is no annual change in variation [278]The buoy symbol printed on your chart is leaning to the northeast. This indicates ______. A. you should stay to the north or east of the buoy B. you should stay to the west or south of the buoy C. the buoy is a major lighted buoy D. nothing special for navigational purposes [279]The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? A.Surging B.Spilling C.Plunging D.Converging [280]The chart symbol indicating that the bottom is coral is ______. A. C B. Cl C. Co D. c [281]The charts sold are of ______. A. newly edition with up to date correction and in reasonable prices． B. the current edition and incorporate the last Notices to Mariners correction C. the current edition and incorporate the latest Notices to Mariners correction at the time of sale． D. brand-new one with up to date correction and clean writing [282]The compass rose on a nautical chart indicates both variation and ______. A. deviation B. annual rate of variation change C. precession D. compass error [283]The description Racon beside an illustration on a chart would mean a ______. A.radar conspicuous beacon B.circular radiobeacon C.radar transponder beacon D.radar calibration beacon [284]The maximum difference between mean time and apparent time is ______. A. equal to the longitude expressed in time units B. about 16 minutes C. the difference between the GHA of mean sun and the first point of Aries D. 15°of arc [285]The numeral in the center of a wind rose circle on a pilot chart indicates the ______.
三副航海英语习题讲解1
2017航海英语复习一 Key word 1: Sailing Direction (12) A147. ______published in England amplify charted detail and contain information needed for safe navigation．A．Admiralty Sailing Directions B．Admiralty List of Lights C．Admiralty List of Signals D．Admiralty Notices to Mariners 【知识点】航路指南的作用 【解析】amplify 详述 D3. The sailing directions contain information on ____. A. required navigation lights B. lifesaving equipment standards C. casualty reporting procedures D. current in various locations 【知识点】航路指南的内容 【解析】casualty 伤亡，事故 注：D中的current指的是“海流”。 C18. For full information regarding the current circulation of the Indian Ocean, ______ Sailing Direction, Current Atlas, etc. A. watch B. look for C. see D. regard 【知识点】航路指南的内容 【解析】Current Atlas 潮流表 注：本题在词汇题里很具代表性，相关题目如下： A111. No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be ___. A. referred to B. appreciated C. met with D. Concerned C177. No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be____． A. bought B. analyzed C. consulted D. Published B181. Ocean Passages for the World and Routeing Charts should be ______ for transoceanic information． A. looked B．consulted C．seen D．Reviewed B192. For details of these and other lights, the larger scale charts and Admiralty Lists should be _____. A. considered B. consulted C. concluded D. Commanded B251. For working details ______ Admiralty list of Radio Signal A. refer B．see C．watch D．Look C165. Admiralty sailing directions published in England are kept up to date by ____. A. corrections B. publications C. supplements D. alterations 【知识点】航路指南的更新与改正 【解析】supplement 补篇 B5. Every new supplement to the sailing directions ____ the previous one. A. enforces B. cancels C. Corrects D. replenishes（充装、装满） A19. In Admiralty Sailing Directions, BANDS is the word used to indicate ______ marking. A. horizontal B. vertical C. diagonal D. vertical or diagonal D20. In Admiralty Sailing Directions, STRIPES is the word used to indicate ______ marking. A. horizontal B. vertical C. diagonal D. vertical or diagonal 【知识点】航路指南用词 【解析】band 横纹；stripe 竖纹或斜纹 Key word 2: Mariner's Handbook (3) C38. The Mariner's Handbook ______ general information affecting navigation and is complementary to the
10大副航海英语模拟试卷4(201012)
中华人民共和国海事局 海船船员适任证书全国统考模拟试题 科目：航海英语试卷代号：902 适用对象：无限航区、近洋航区船舶大副 (本试卷卷面总分100分，及格分为70分，考试时间100分钟) 答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在相应位置上用2B铅笔涂黑．第1题至82题，每题1分，第83题至94题，每题1．5分. 一．单项选择题 1．The characteristic of a lighted cardinal mark may be ________． A．very quick flashing B．flashing C．fixed D．occulting 2．________gives a description of the combined Cardinal and Lateral Buoyage system including textual and diagrammatic explanations of the five types of marks，lateral，cardinal，isolated danger，safe water and special marks． A．Ocean Passages for the World（NP136） B．Symbols and Abbreviations used on Admiralty Charts，Chart 5011 C．IALA Maritime Buoyage System（NP735） D．The Mariners Handbook（NP100） 3．A line of position from a celestial observation is a segment of a ________． A．Circle of equal altitude B．Parallel of declination C．Parallel of altitude D．Vertical circle 4．________is not contained in the NM Weekly. A. Amendments to Admiralty Sailing Directions B. Amendments to Admiralty List of Lights and Fog Signals C. Amendments to Admiralty List of Radio Signals D. Supplement to Guide to Port Entry 5．The Coast Radio Stations are found in ________． A．Admiralty List of Lights and Fog Signals B．Admiralty Maritime Communications C．Admiralty List of Radio Signals D．Admiralty Digital List of Lights 6．A chart has extensive corrections to be made to it．When these are made and the chart is again printed，the chart issue is a ________． A．First edition B．New edition C．Revised edition D．Reprint 7．When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results ________. A. in the vessel's Official Logbook B. on the compass deviation card C. in the compass deviation log D. on a Napier diagram 8．The indemnity for damage to cargo shall be determined on the basis of the {difference} between the value of the goods before and after the damage． A. profit B. surplus C. balance D. interest 9．A decrease in barometric pressure is associated with all of the following except ________. A. rising warm air B. proximity to a low pressure area C. inward spiraling circulation D. clear dry weather 10．On a nautical chart，the inner ring of a compass rose indicates _________． A．True directions B．Compass error C．Deviation D．Magnetic directions 11．The height of a tide can be increased by_________． A．A storm surge B．A high pressure area C．The jet stream D．A cold front 12．That REMOVE ANY LIST ON THE V/L AFTER EACH W ATCH END means that _________．A．any list, no matter where it is posted, shall be removed prior to ending his watch by the OOW B．the vessel should not be removed C．any and all lists on board the vessel should be taken off D．the inclination of the vessel should be corrected prior to ending his watch by the OOW 13．Protection of cargo against tainting damage can best be obtained by _________. A. Ventilating the space． B. Not ventilating the space． C. Proper use of paper separation and dunnage． D. Segregation of cargo by using different hatches 14．Instructions for training of new seamen are usually found in _________． A．Decklogs B．Night Orders C．Standing orders D．Muster List 15．I'll have the damaged parts repaired in Hongkong and send you in due course the amount of expenses _________． A．Incurred B．Happened C．Spent D．Paying out 16．The issue of Notices to Mariners of charts and these aids（Radar beacons）may be delayed until such time as they are assessed to be _________． A．temporary B．permanent C．occasional D．steady 17．The Owners to have a ________upon all cargoes and subfreights belonging to the Time-Charterers and any Bill of Lading freight for all claims under this Charter. A. laden B. lading C. lying D. lien 18．We regret that in view of the above，we are not in a position to ________liability for the shortage．A．Consume B．Perfume C．Assume D．Confuse 19．The helm command CHECK HER means ________． A．test the steering control B．read the compass heading C．stop the swing using hard over rudder D．slow the swing using moderate rudder 20．Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to a cargo when the damage arises from ________． A．Unseaworthiness when sailing B．Insufficient packing C．Quarantine delays D．Mismanagement of the vessel 21．The fitting that allows a boom to move freely both vertically and laterally is called the ________. A. swivel B. lizard C. spider band D. gooseneck 22．The vessel to be ________on the expiration of the Charter in the like goods order as when delivered to the Charterers. A. delivered B. redelivered C. taken over D. withdrawn
航海英语题库2010
海知识和专业的工作态度 57. When own ships position input to ECDIS wrong, what is the result? A. Nothing B. ECDIS will give warning C. ECDIS will automatically be switched off D. Position, range and bearing taken on the ECDIS will be wrong 答案：D当把拥有的船位错误输入电子海图显示与信息系统，结果会怎么样？显示在电子海图显示与信息系统上的船位，航程，方位将错误 58. What should you avoid when receiving work order? A. Having other people help you with your work B. Swearing C. Wasting time on having procedures explained D. Misunderstandings 答案：D当收到工作命令时应避免什么？误解 59. What kind of information dose the fire plan contain? A. Fire alarm signal, fire instruction and your assignment B. location of firefighting equipment onboard C. How to use firefighting equipment onboard D. Information on how handle different types of fires 答案：B消防计划包括哪些种类的信息？船上消防设备的位置 60. Do you need to measure oxygen levels before entering an enclosed space? A. Yes, always B. No C. Not if you measure for toxic gases D. Yes, but not if you ventilate properly first for 24 hours 答案：A当你进入一个密闭空间前你需要测量氧气浓度吗？是的，总是这样 61. What is the most important treatment concerning a foreign body in the eye? A. Rinsing of the eye B. …… anaesthetic C. Wring the eye-lid to prevent blinking D. Close the eye for a while 答案：A关于眼睛里的杂物最重要的处理方法是什么？清洗眼睛 62. What is the meaning of UEL? A. Upper exposure level B. Upper explosion level C. Upper explosive level D. Upper evaporation level 答案：C UEL的意思是什么？爆炸上限 63. In which way may intake of poisoning material not occur? A. By inhaling B. By skin penetrating and skin absorbing
海事局海员考试航海类(甲类)三副英语第48期
中华人民共和国海事局 2009年第48期海船船员适任证书全国统考试题（总第48期） 科目：航海英语试卷代号：903 一．单项选择题 1.You may find the time of slack water after low water in a certain port from ______. A. mFAG. B. Tide tables. C. Notices to mariners. D. Table of azimuth. KEY: B https://www.360docs.net/doc/0c15162330.html,rmation on the operating times and characteristics of foreign radiobeacons can be found in which publication? ______. A. List of Lights B. Coast Pilot C. Sailing Directions D. List of Radiobeacons KEY: A 3.A line of position from a celestial observation is a segment of a ______. A. circle of equal altitude B. parallel of declination C. parallel of altitude D. vertical circle KEY: A 4.What defines a great circle? A. A curved line drawn on a Mercator Chart B. A course line that inscribes a loxodromic curve C. The shortest distance between any two points on the earth D. The smallest circle that can be drawn on the face of a sphere KEY: C 5.Which aid is NOT marked on a chart with a magenta circle? A. Aero light B. Radar station C. Radar transponder beacon D. Radiobeacon KEY: A 6.Charted depth is the ______. A. vertical distance from the tidal datum to the ocean bottom plus the height of the tide B. vertical distance from the tidal datum to the ocean bottom C. average height of water over a specified period of time D. average height of all low waters at a place KEY: B 7. The changes in the channel’s sands and buoys on this coast are ______ this chart cannot be considered as a safe guide of the channel. A. Frequent. B. So frequent. C. Frequent that. D. So frequent that. KEY: D 8.While steaming slowly in the harbor，no ship is ______ to exceed the speed limited． A. assumed