1.Admiralty Sailing Directions are often referred to as __A__A.Pilots B .admiralties c. sailings D. directions2.Several shoals__B__reported to exist in the area south-west of the Brothers.A.HaveB. have beenC. hasD. has been3.Admiralty Sailing Directions published in England are kept up to date by __C__.A.CorrectionsB. publicationsC. supplementsD. alterations4.In admiralty Sailing Directions,STRIPES is the word used toindicate__D__marking.A.HorizontalB. verticalC. diagonalD. vertical or diagonal5.The navigational term SET OF CURRENT means__D__.A.Veiocity of current in knotsB. direction from which the current flowsB. c. estimated current D. direction toward which the current flows6.When there are small differences between the heights of two successive hightides or two successive low tides,the tides are called__B__.A. diurnalB. semi-dinrnalC.solarD. mixed7.At a e the charted depth is 15 m,and the tidal height is -1.3 m,then the actualdepth of the water is __A__.A.13.7mB. 15mC. 1.3mD. 16.3m8.Place names used on board ships should be those__D__.A.Specified by international authoritiesB. specified by national authoritiesc. on standard map D. on the chart or Sailing Directions in use9. The advice to masters in the Australian Pilot publication does not__C__sufficientlythe short-comings of the Newcastle anchorage in adverse weather conditions.A. highB. lightC. highlightD.lighthigh10. For full information regarding the current circulation of Indian Ocean__C__SailingDirections, Current Atlas,etc.A. watchB. look forC. seeD. regard11. From__C__the mariner can know the data of tide.A. the sea pilotB. the cargo planC. the tide tableD. the port list12. The difference in height between consecutive high and low waters is the __B__.A. heightB. rangeC. standD. fall13. The flood stream here is at an average rate of 0.8 ___D__.A. cablesB. milesC. kilometersD. knots14. __A__ is a UK maritime agency.A. MCAB. UKHOC. USCGD.MSA15.The period at high or low water during which there is no apparent change of levelis called.A. HEIGHTB.TANGEC. STANDD.FALL16. Attention is __C__the advice on the use of charts in The Mariner’s HandbookChapter 3, Section 1.A. fixed toB. needed forC. pushed toD. drawn to17. The arrangement of charts in the catalogue is __A__.A. on a regional basisB. on a national basisC. shown orderlyD.appeared from A to W18. You would expect to find channels marked with the IALA-A Buoyage System in__B__.A. the PhilippinesB. AustraliaC. the Republic of KoreaD. Chile19. You may find the time of slack water after low water in a certain port from__B__.A. Deadweight ScaleB. Tide TablesC. Notices to MarinersD.Table of Azimuth20. The velocity of a rotary tidal current will be decreased when the moon is __A__.A. at aoogeeB. newC. fullD. all of the above21. Navigational warnings are published according to__A__.A. the designed areaB. green and black bandsC. the indicated areaD. all areas over the world23. A lighted preferred-channel buoy may show a_______.A. fixed red lightB. Morse (A) white fightC. composite group-flashing lightD. yellow light24. A light that has a light period shorter than its dark period is described as_______.A. flashingB. pulsatingC. occultingD. alternating25. The characteristic of a lighted cardinal mark may be ________.A. very quick flashingB. flashingC. fixedD. occulting26. A buoy, being a shape of cylinder and with red group flashing, shows that it is ________.A. a left-side buoyB. a right-side buoyC. a buoy of safetyD. a buoy of danger27. The tide_______. It's 2 hours before low water, and _________your presentposition you will be aground at low water.A. falls/inB. has been falling/onC. has fallen/atD. is falling/in28. Conditions for crossing a rough bar are usually best at _________.A. low water slackB. high water slackC. high water ebbD. high water flood29. The latest known details of lights are given in__________.A. Admiralty List of Lights and Fog SignalsB. Admiralty List of Radio SignalsC. Admiralty Maritime CommunicationsD. NP 29030. The PC-based program of Admiralty Digital List of Lights has been approved by______.A. all maritime authorities in Europe, Africa and AsiaB. European channel portsC. UKHOD. MCA31. In which source could you find the number of a chart for a certain geographicarea? _______A. Chart No.1B. Catalog of ChartsC. IMO Practical NavigatorD. IMO Light List32. Data relating to the direction and velocity of rotary tidal currents can be found inthe______.A. Mariner's GuideB. Tidal Current TablesC. Nautical AlmanacD. Tide Tables33. _______ is the average height of all high waters over a 19 year period.A.MLWB. MHWC. MHHWD. TCHHW34. The Lists of Meteorological Observation Stations can be found in ______.A. ALRSB. ALLC. SHMD. ATT35. An alternating light ________.A. shows a light with varying lengths of the lighted periodB. shows a light that changes colorC. marks an alternate lesser-used channelD. is used as a replacement for another light36. How is the intensity of a light expressed in the Light Lists?A. Luminous rangeB. Geographic rangeC. Nominal rangeD. Meteorological range37. The Coast Radio Stations are found'in ______.A. Admiralty List of Lights and Fog SignalsB. Admiralty Maritime CommunicationsC. Admiralty List of Radio SignalsD. Admiralty Digital List of Lights38. A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest waterin the area is on the _______.A. north side of the markB. west side of the markC. east side of the markD. south side of the mark39. Global Maritime Distress and Safety System (GMDSS) is contained in a volume of _______.A. Admiralty List of Lights and Fog SignalsB. Admiralty List of Radio SignalsC. Admiralty Maritime CommunicationsD. Admiralty Distance Tables40. Buoys which only mark the left or fight side of the channel will never exhibit alight with which characteristic ? ________.A. FlashingB. Quick flashingC. Composite group flashingD. Equal interval (isophase)41. The latest known details of lights, light-structures, light-vessels, light-floats,lanbys and fog signals are given in ______.A. Admiralty List of LightsB. Admiralty List of Radio SignalsC. Admiralty Digital Lint of LightsD. Tidal Stream Atlases42. The difference between height of "high water" and the next succeeding or lastpreceding "low water" is ______.A. the height of the tideB. the rise of the tideC. the range of the tideD. the vertical distance43. _______ is the average level of the lower of the two low waters on the days ofspring fides.A. Mean lower low water springsB. Indian spring low waterC. Lowest normal low waterD. Tropic lower low water44. An occulting light is one in which ________.A. the period of darkness exceeds the period 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 darkness45. Pilot Services, Vessel Traffic Services and port Operations are contained in_______.A. Admiralty Tide TablesB. Admiralty List of Radio SignalsC. Navtex and SafetyNET informationD. windows-based tidal predictionprogram46. _______ is/are one volume of Admiralty List of Radio Signals.A. Global Maritime Distress and Safety SystemB. Maritime Safety Information ServicesC. Coast Radio StationsD. Admiralty List of Lights and Fog Signals47. ________ provide(s) a comprehensive source of information on all aspects ofMaritime Radio Communications.A. Admiralty Digital List of LightsB. Admiralty List of Lights and Fog SignalsC. Admiralty List of Radio SignalsD. Admiralty Tide Tables48. Information on the operating times and characteristics of foreign radiobeaconscan be found in which publication?___________A. List of LightsB. Coast PilotC. Sailing DirectionsD. List of Radiobeacons49. Tide is called diurnal when __________A. only one high and one low water occur during a lunar dayB. the high tide is higher and the low tide is lower than usualC. the high tide and low tide are exactly six hours apartD. two high tides occur during a lunar day50. Your vessel goes aground in soft mud. You would have the best chance ofrefloating it at next tide if it grounded at __________A. low water neapB. low water springC. high water neapD. high water spring51. _________ defines an object can be observed from a distance to be just risingabove or justplunging below the visible horizon.A. Dipping distanceB. Geographical rangeC. Luminous rangeD. The range at which a light can be seen52. Which statement is NOT true of the Uniform Lateral System ofBuoyage?________.A. It employs top marksB. Lighted buoys have the same shape as unlighted buoysC. The numbering or lettering of fairway buoys is optionalD. It is better than any other system53. _________ gives daily predictions of the times and heights of high and lowwaters for over 230 standard and 6,000 secondary ports in the worldA. Admiralty Tide TablesB. Admiralty Tidal Stream Atlasesc. Admiralty Manual of Tides (NP 120 )D. Admiral, Tidal Handbooks (NP 122 )54. A line on the earth parallel to the equator is a ______.A. gnomonic curveB. small circleC. meridianD. great circle55. Charted depths _________ by 2 meters due to state of the winds.A. is decreasedB. decreasedC. decreasesD. are decreased56. What information is NOT found in the chart rifle? __________.A. Survey informationB. ScaleC. Date of first editionD. Projection57. The only cylindrical chart projection widely used for navigation is the _____.A. Lambert conformalB. MercatorC. azimuthD. gnomonic58. For details of these and other lights the larger scale charts and Admiralty Listsshould be ________.A. consideredB. consultedC. concludedD. commanded59. _______ chart 3994, positions read from this chart should be shifted 0.03minutes Northward.A. To considerB. To checkC. To examineD. To agree with60. The heights and soundings of Admiralty chart are expressed _____ in Fathoms______ in Meters.A. either/orB. neither/norC. another/norD. other/or61. On a Mercator chart, 1 nautical mile is equal to _______.A. 1 minute of longitudeB. 1 degree of longitudeC. 1minute of latitudeD. 1 degree of latitude62. In revised editions of Admiralty charts, the ______ are corrected first.A. smaller scalesB. larger scalesC. smaller scales and larger scalesD.moderate scales63. Contour elevations on this chart refer to heights in feet above mean ______.A. lower low waterB. high waterC. low waterD. sea level64. As these features are not all charted, special caution should be exercised _____vessels navigating in the vicinity.A. byB. withC. onD. in65. Lines on a chart which connect points of equal magnetic variation are called_____.A. magnetic latitudesB. magnetic declinationsC. dipD. isogonic lines66. A chart position enclosed by a semi-circle is a /an ______.A. fixB. estimated positionC. dead reckoning positionD. running fix67. A plane that cuts the earth’s surface and passes through the poles will alwaysform _______.A. the equatorB. a loxodromic curveC. a small circleD. a meridian68. Attention is called to the fact that in many cases charted depths may bedecreased by up to _______.A. one nautical mileB. two kilometersC. 5 cables onlyD. one fathom69. The shortest distance between any two points on earth defines a _______.A. small circleB. great circleC. thumb lineD. hyperbola70. _______ is a digitized "picture" of a chart.A. Vector chart formatB. Raster chart dataC. PixelD. Electronic Nautical Chart71. A ________ is the intersection of the surface of a sphere and a plane passingthrough the Center of the sphere.A. great circleB. small circleC. large circleD. general circle72. The alteration of depth contours or limits should be made with ______.A. erasuresB. short double strokesC. typing correction fluidsD. two or three pencil ticks73. The distance between any two meridians measured along a parallel of latitudeand expressed in miles is the _______.A. difference in longitudeB. mid-longitudeC. departureD. meridian angle74. Some of these shoals have been disproved and are not charted. Neverthelessmariners should ______ with particular caution in this area.A. goB. proceedC. moveD. remove75. A position that is obtained by applying estimated current and wind to your vessel's course andspeed is a/an ______.A. dead reckoning positionB.estimated positionC. fixD.DR76. The irregular black line around a charted light such as Race Rock Light indicates that it is _____A. unwatchedB.surrounded by riprapC. a minor lightD.constructed on an artificial island77. Attention is called to the fact that in many cases pipelines are not _____ andcharted depths may be decreased by up to 2 meters.A. concealedB. buriedC. existedD. built78. A chart has extensive corrections to be made to lt. When these are made and thechart is again printed, the chart issue is a _______.A. first editionB. new editionC. revised editionD. reprint79. You should plot a dead reckoning position after every _____.A. course changeB. speed changeC. fix or running fixD. EP80. The positions and characteristics of lights and buoys shown within the port areaare _______.A. untrueB. impossibleC. suspectfulD. unimportant81. The system will accept a harbor map which is incorrect, therefore the operatormust {exercise caution} in harbor selection.A. be consideredB. be prudentC. be bold enoughD. be careless82. Chart legends which indicate a conspicuous landmark are printed in _____.A. capital lettersB. italicsC. boldface printD. underlined letters83. At a scale of 1:600,000, a chart user who is capable of plotting to a precision of0.2 millimeters must appreciate that this represents approximately ______ meterson the ground.A. 200B. 120C. 60D. 2084. A gnomonic projection is based on a/an ______.A. plane tangent at one pointB. cylinder tangent at the equatorC. cone tangent at one parallelD. infinite series of cones tangent at selected parallels85. ______ is normally responsible for maintaining records of corrections tonavigational charts and nautical publications.A. The chief officerB. The second officerC. The third officerD. The PSC officer86. My position has been obtained by ______.A. astronomical observationB. hydrographic surveyC. weather predictionD. current sailing87. Which position includes the effects of wind and current? ______.A. Dead reckoning positionB. Leeway positionC. Estimateo positionD. Set position88. ______ objects are those which stand out clearly from the background or otherobjects and are easily identifiable from a few miles offshore in normal visibility.A. ConspacuousB.PermanentC. PreliminaryD. Temporary89. The two wavy magenta lines running to Green Hill Point represent ________.A. recommended approaches to Green Hill PointB. areas of unreliable loran readingsC. submarine cablesD. prohibited fishing areas90. Which aid is NOT marked on a chart with a magenta circle? ______.A. Aero lightB. Radar stationC. Radar transponder beaconD. Radiobeacon91. A polyconic projection is based on a _______.A. plane tangent at one pointB. cylinder tangent at one parallelC. cone tangent at one parallelD. series of cones tangent at selected parallels92. You determine your vessel's position by taking a range and bearing to a buoy.Your position will be plotted as a/an ______.A. running fixB. fixC. dead reckoning positionD. estimated position93. Uncharted lights, fog signals and radar beacon transmissions may be ______near the station.A. encounteredB. metC. contactedD. seen94. The broken magenta line which runs parallel to the shore between Roanoke Pointand Mattituck Inlet marks a ________.A. fish trap areaB. pipelineC. demarcation lineD. cable area95. Magnetic information on a chart may be NOT _______.A. shown in the center(s) of the compass roseB. indicated by isogonic linesC. found in a note on the chartD. presented in the Iegend of a chart96. A line of position is ________.A. a line connecting two charted objectsB. a line on some point of which the vessel may be presumed to be locatedC. the position of your vesselD. not used in a running fix97. A Mercator chart is a _______.A. cylindrical projectionB. simple conic projectionC. polyconic projectionD. rectangular projection98. The distances always have to be measured from the nearest scale on a Mercatorchart, due to the fact that _______.A. it is the most efficient wasB. it varies with the latitudeC. it vanes with the longitudeD. it is the most straight line99. On either side of York River Entrance Channel, there are areas bounded by short-long magenta lines and marked by yellow buoys. These areas are ______.A. fish trap areasB. designated anchoragesC. spoil areasD. naval exercise areas100. What is important to check when transferring a position from GPS to a chart?_______.A. Reading the position correctlyB. Plotting the position correctlyC. Make sure that the chart and the GPS use the same datumD. Make sure the map is updated101. Blocks in NM are _______.A. notices adding detail to chartsB. notices deleting detail to chartsC. alterations to depth contours, deletion of depths which are not mentioned innotices as they have little navigational significanceD. reproductions of portions of charts102. You have been informed that dredging operations may be underway in your vicinity. Which buoy indicates the dredging area? _______.A. White buoy with a green topB. White and international orange buoyC. Yellow buoyD. Yellow and black vertically-striped buoy103. 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 surveysB. correct and often very good surveysC. inadequate and often very old surveysD. adequate and present surveys104. How is the annual rate of change for magnetic variation shown on a pilot chart?_______.A. Gray lines on the uppermost inset chartB. Red lines on the main body of the chartC. In parenthesis on the lines of equal magnetic variationD. Annual rate of change is not shown105. Navigational charts are ______ frequent changes, the important one of which are promulgated by Admiralty Notices to Mariners.A. published withB. combined withC. in connection withD. subject to 106. All straight lines represent great circle tracks on a chart based on a/an ________.A. mercator projectionB. polyconic projectionC. orthographic projectionD. gnomonic projectionI07.______ are changes on charts due to changes in hydrography, topography, construction, removal or addition of dangers to navigation, etc.A. Breathing apparatusB. Emergency escapeC. Small correctionsD. Source data108. When is the rhumb line distance the same as the great circle distance?_______.A. Course 090°T in high latitudesB. Course 180°T when you cross the equatorC. Course 045°T in low latitudesD. The rhumb line distance is always longer than the great circle distance 109. A great circle track provides the maximum saving in distance on ______.A. easterly courses in high latitudesB. southerly courses in high latitudesC. westerly courses in low latitudesD. easterly courses in low latitudes that cross the equator110. ________ is NOT contained in the Weekly NM.A. Amendments to Admiralty Sailing DirectionsB. Amendments to Admiralty List of Lights and Fog SignalsC. Amendments to Admiralty List of Radio SignalsD. Supplement to Guide to Port EntryI11. A position that is obtained by using two or more intersecting lines of position, taken at nearly the same time, is a/an ________.A. estimated positionB. fixC. running fixD. dead reckoning position112. You are navigating 1 mile north of Cape Henry Lighthouse at the southern entrance to Chesapeake Bay. You observe that this area is bounded on the chart by magenta bands. This indicates a/an ________.A. fish trap areaB. explosive anchorageC. pilotage areaD. danger zone 113. You are on watch and the pilot has just anchored the vessel. The next thing that you should do after the anchor has been let go is to _____.A. stop the enginesB. escort the pilot to the accommodation ladderC. plot the vessel's position on the chartD. make a round of the weather decks114. Areas enclosed by a long and short dashed magenta line indicate _______.A. cable areasB. dumping groundsC. fish trap areasD. precautionary areas115. Admiralty Notices to Mariners are published ________.A. every dayB. every weekC. every monthD. every year116. Chart correction information is NOT disseminated through the ______.A. Summary of CorrectionsB. Local Notice to MarinersC. Daily MemorandumD. chart correction card117. _______ is/are NOT among the services provided by ANMO.A. Full-Color BlocksB. Annual Summary of Notices to MarinersC. Cumulative List of Admiralty Notices to MarinersD. World-wide Navigation Warnings118. ________ are published for the correction of Admiralty charts.A. Admiralty Sailing DirectionsB. Admiralty List of SignalsC. The Mariner's HandbookD. Admiralty Notices to Mariners119. Navigational warnings and weather bulletins for shipping ________ from Singapore Radio.A. broadcastB. broadcastedC. are broadcastD. are broadcasted 120. The area of Dover Strait lies within the limits of _______ the world-wide navigation warning service.A. NAVAREA IB. NAVAREA IIC. NAVAREA IIID. NAVAREA IV 121. Whenever reference is made to a volume of Sailing Directions, ________ of Admiralty Notices to Mariners should invariably be consulted.A. Section IB. Section IIC. Section IIID. Section IV122. Admiralty Notices to Mariners can be obtained ________ by Masters of vessels from any Admiralty Chart Agent.A. free of chargeB. with no responsibilityC. without limitations of distributionD. with little charges123. A star adjacent to the number of a notice indicates that the notice is based on ______.A. original informationB. further guidance 'C. sailing directionsD. charts and associated publications124. ________ are contained in Section IV of Notice to Mariners weekly edition.A. Explanatory Notes, Indexes to Section IIB. Corrections to Admiralty Sailing DirectionsC. Repaints of Radio Navigational WarningsD. Corrections to Admiralty List of Radio Signals125. 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. tern rB. permanentC. occasionalD. steady126. On discovery of new dangers of changes or defects in aids to navigation, Masters of vessels should immediately inform ______.A. their governmentB. their port 0f registryC. British governmentD. UK-hydrographic office127. ________ amplify charted detail and contain information needed for safe navigation.A. Admiralty Sailing DirectionsB. Admiralty List of LightsC. Admiralty List of SignalsD. Admiralty Notices to Mariners128. Your chart indicates that there is an isolated rock and names the rock using vertical letters. This indicates the _______.A. rock is visible at low water springs onlyB. rock is a hazard to deep draft vessels dnlyC. rock is dry at high waterD. exact position of the rock is doubtful129. ________ the incomplete nature of the survey, heavy draught vessels are warned not to navigate within the 10 fathom line.A. BecauseB. Owing toC. Having beenD. Being130. _______ means the curve on the earth's surface which cuts all the meridians at the same angle.A. Great circleB. Position lineC. Rhumb lineD. True bearing13I. ________ refers to the angle-between tree north and the heading line of the vessel.A. Tree positionB. True meridianC. True courseD. True bearing132. A buoy having red and green horizontal bands would have a light characteristic of _______.A. group occultingB. composite group flashingC. Morse letter AD. quick flashing133. A buoy marking a wreck will show a/an _______.A. white light Fl(2) and a topmark of 2 black spheresB, occulting green light and may be letteredC. yellow light and will be numberedD. continuous quick white light and may be numbered134. A celestial body will cross the prime vertical circle when the latitude is numerically ________.A. greater than the declination and both are of the same nameB. less than the declination and both are of the same nameC. greater than the declination and both are of contrary nameD. less than the declination and both are Of contrary name135. A chart projection depicting the poles and a small area on either side of a connecting meridian, sometimes used for star charts. is the ________.A. azimuthal gnomonic projectionB. Lambert conformal projectionC. transverse Mercator projectionD. polyconic projection136. A chart with a natural scale of 1:160,000 is classified as a _______.A. sailing chartB. general chartC. coast chartD. harbor chart 137. A fairly accurate estimation of a ship's position can be calculated by a technique known as ________.A. dead reckoningB. pilotageC. great circle sailingD. geographic navigation138. A green pillar light buoy , F1(2) 5s, is to be substituted for the red conical light buoy close S. W. of the stranded wreck. The above sentence mainly refers to _______.A. a red buoy is to be replaced by a green buoyB. a green buoy is to be replaced by a red buoyC. either a red buoy or a green buoy is to be replacedD. neither a red buy nor a green buoy is to be replaced139. A large navigational buoy (LNB) is painted ________.A. redB. yellowC. with red and white vertical stripesD. with a distinct color and pattern unique to each buoy。