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Signalman 1 & C - Historic Naval Ships Association

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3-38. What term denotes the position thatdivides the world into Northern andSouthern Hemispheres?1. The Equator2. Meridians3. Latitude4. Longitude3-39. You are figuring nautical distance.You have 50 degrees of latitude. Howmany nautical miles are you workingwith?3-44. You are working with the visibilityof lights. In what condition willyou be working within the luminousrange?1. Maximum geographic distance alight can be seen2. Maximum distance a light can beseen in clear weather3. Maximum distance a light can beseen under existing visibilityconditions4. Perfect visibility1. 30 3-45. Where conditions make it impossible2. 300 or impractical to build a permanent3. 3,000 lighthouse, what type of aid(s)4. 30,000 is/are used?3-40. You are assisting the quartermasterwhile entering port. He/she directsyou to get a chart showing thegreatest detail of the area. Whichof the following charts should yougive the quartermaster?1. 1:1,0002. 1:10,0003. 1:100,0004. 1:200,0003-41. Where should you look to findinformation on new charts, chartcorrections, and changes to nauticalcharts?1. The Defense Mapping AgencyCatalog of Maps, Charts andRelated Products2. The Notice to Mariners3. Light Lists4. List of Lights3-42. What publication should you use toobtain information containing adescription of lighted aids tonavigational for the United States?1. Notice to Mariners2. List of Lights3. Light Lists4. Classified Notice to Mariners3-43. What is the most valuablecharacteristic of a navigationallight for identification purposes?1. Color2. Size3. Fixed light4. Periods of systemic change1. Buoys2. Lightship3. Light station4. Sector lights3-46. What liqhts are placed in thelanterns of certain lighthouses toindicate danger bearing?3-47.3-48.3-49.1. Sector2. Section3. Set4. AreaWhich of the following is NOT neededto convey the desired informationusing the IALA system?1. Buoy color2. Buoy shape3. Buoy height4. Rhythm of flashesYour ship is entering a foreign portin New Zealand. What IALA buoysystem should you use?1. Region A2. Region B3. Local4. U.S. buoy systemWhat Maritime Buoyage System markshould you use in conjunction with acompass?1. Lateral2. Isolated3. Special4. Cardinal3-50. The major rule to remember whenusing the IALA regions is the colorof buoys when entering from seaward.1. True2. False16

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