Download Sea school Navigation General Exam 2025 (Actual Exam) | Complete Questions and Correct Ans and more Exams Marine Engineering in PDF only on Docsity!
Sea school Navigation General Exam 2025 (Actual
Exam) | Complete Questions and Correct Answers
(Verified Answers) | Latest Version | Brand New
Version!
You are inbound on course for the harbor inside a white light showing a Morse (A) 0 — to port for safety you should ---------CORRECT ANSWER-----------------Leave the buoy to port From Seaword you enter the main channel the buoy numbers on the Starbord side of your vessel should ---------CORRECT ANSWER-----------------Increase and the boys are red In IALA Region B lateral system CAN buoy is ---------CORRECT ANSWER----------------
- Green The best term to describe the difference between the hights of low and high tide is the ---------CORRECT ANSWER-----------------Range Neap tides occur when the sun and moon are ---------CORRECT ANSWER-------------- ---At right angles to each other
A mid channel buoy if lighted will show a ---------CORRECT ANSWER----------------- Fixed green light, alternating light, red light, answer is none of the above use buoys sheet to determine right answer Spring tides occur when the sun and moon are ---------CORRECT ANSWER------------ -----Nearly in line with the earth You are outbound to the sea in a Buoyed channel and observe a quick flashing green light on a buoy ahead of you. In IALA Region B you should leave the buoy --- ------CORRECT ANSWER-----------------To Starbord Your vessel changes heading to starboard the compass card in a magnetic compass will ---------CORRECT ANSWER-----------------Remain aligned with the compass north When entering a vessel traffic separation zone from sea a lighted buoy to be kept to starboard shall have a ---------CORRECT ANSWER-----------------Red light The symbol which appears beside a light on a chart reads "Gp Fl G (2) 12 sec 160 ft 19M" which characteristic of light color does it possess ---------CORRECT ANSWER-----------------It has a green light
A lighted preferred channel buoy may show a ---------CORRECT ANSWER-------------- ---Composite group flashing light To determine the depth of the water what should you apply to your depth finder reading ---------CORRECT ANSWER-----------------Add the draft of the vessel A local wind which occurs especially during the day owing to the land heating up is a ---------CORRECT ANSWER-----------------Seabreeze A location that is acquired by using three or more intersecting lines of position taking at nearly the same time is ---------CORRECT ANSWER-----------------Fix Flashing green lights may appear on ---------CORRECT ANSWER----------------- Horizontally banded buoys Wind resulting from the cooling of a land mass more quickly especially at night than adjacent water is a ---------CORRECT ANSWER-----------------Land breeze
The term "Mean high water" is the average height of ---------CORRECT ANSWER---- -------------All Highwater waters over a 19 year period Which term best describes an accurate position which is not based on any prior position ---------CORRECT ANSWER-----------------Fix A safe water marker me exhibit ---------CORRECT ANSWER-----------------Vertical stripes and a white light Mean low-water is an average height of ---------CORRECT ANSWER-----------------All low-water over a 19 year period A position obtain using only the vessels course and speed from a known position is a ---------CORRECT ANSWER-----------------Dead reckoning position A vertically striped aid to navigation buoy may be ---------CORRECT ANSWER--------- --------Lights with a white light The path that a vessel is expected to follow is called the ---------CORRECT ANSWER-----------------Track line
Nun buoys may show only ---------CORRECT ANSWER-----------------Flashing red lights A description on a nautical chart noting a "Racon"indicates ---------CORRECT ANSWER-----------------Radar transponder beacon Legends printed on a nautical chart in capital letters show that the associated landmark is ---------CORRECT ANSWER-----------------Conspicuous A non-lateral aid with a red spherical top mark assists in identifying which ATON -- -------CORRECT ANSWER-----------------A Safe water mark The term Slackwater during a title change means ---------CORRECT ANSWER--------- --------Little or no movement of water When entering a channel from the sea and decide to check your compass heading you steer on a pair of range lights and find the upper light is in line with the lower light you should ---------CORRECT ANSWER-----------------Maintain your current course
You observe a buoy mark having green and red horizontal bands it will have a light characteristic of ---------CORRECT ANSWER-----------------Composite group flashing 2 + 1 The direction of the earth surface wind is ---------CORRECT ANSWER----------------- Deflected by the earths rotation( Coriolis effect ) Your vessels position should be plotted using bearings of ---------CORRECT ANSWER-----------------Fixed known objects on shore Which buoy may be lettered and not numbered ---------CORRECT ANSWER----------- ------Preferred channel buoy Spring tides will produce ---------CORRECT ANSWER-----------------Higher highs and lower lows than normal You must assume when using a buoy as an aid to navigation ---------CORRECT ANSWER-----------------The buoy may not be in the charted position The local notice to mariners provides corrections of local nature to charts and is published ---------CORRECT ANSWER-----------------Weekly
The depth of the water on a chart is the ---------CORRECT ANSWER----------------- Vertical distance from the charge sounding data him to the ocean bottom A north hemisphere win which shifts in a counter clockwise motion is called a ----- ----CORRECT ANSWER-----------------Backing wind A vessels's position acquired by using the last three or more bearings is called a --- ------CORRECT ANSWER-----------------Fix Mean lower low water (MLLW) is the reference plane used for ---------CORRECT ANSWER-----------------Sounding on the US East and West Coast Hey single line of position combined with a dead reckoning position results in a --- ------CORRECT ANSWER-----------------Estimated position The sun and moon align twice each month what type of tides can be expected ----- ----CORRECT ANSWER-----------------Spring A buoy mark with a composite group flashing light indicates a ---------CORRECT ANSWER-----------------Preferred channel
On the US East and West Coast charted depths are taken from ---------CORRECT ANSWER-----------------Mean lower low water A weather forecast expects a backing wind in the north hemisphere this would indicate it will ---------CORRECT ANSWER-----------------Shift in a counterclockwise manner What type of tides occur when the sun and moon are at right angles 90° to each other ---------CORRECT ANSWER-----------------Neap When there are 2 high and 2 low tides in a 24 hour. This is called ---------CORRECT ANSWER-----------------Semidiurnal Which chart projection is most suited for coastal navigation ---------CORRECT ANSWER-----------------Mercator To make a correction to your compass course (psc) you would find the variation on a Mercator chart ---------CORRECT ANSWER-----------------On the compass rose
Which buoy listed below could be used to mark special anchorage --------- CORRECT ANSWER-----------------Yellow buoy B Local notice to mariners report dredging operations are underway in your facility which buoy indicates the dredging area ---------CORRECT ANSWER----------------- Yellow buoy The weather forecast calls for a stationary front which weather charge symbol represents this ---------CORRECT ANSWER-----------------Line with red circles on one side and blue triangles on the other A white buoy with an orange colored rectangle on it is used to indicate --------- CORRECT ANSWER-----------------General information The chart projection most widely used for navigation is The ---------CORRECT ANSWER-----------------Mercator An occluded front is represented by which color line ---------CORRECT ANSWER----- ------------Purple
The description Racon along side an illustration on a chart would mean a --------- CORRECT ANSWER-----------------Radar transponder beacon A line of position made by sighting two charted objects in a direct line is called a -- -------CORRECT ANSWER-----------------Range line Chart legends printed in capital letters shows that the associated landmark is ------ ---CORRECT ANSWER-----------------Conspicuous To measure the distance on a Mercator chart between two way points which tool would you use to measure the distance ---------CORRECT ANSWER----------------- Dividers Distance along a track line is measured on a Mercator chart by using the --------- CORRECT ANSWER-----------------Latitude scale nearest to the track line If lighted white lights may be found on ---------CORRECT ANSWER----------------- Informational and regulatory buoys Conspicuous landmarks on a chart legend are printed in ---------CORRECT ANSWER-----------------Capital letters
What critical source of information is to be used in correcting charts and maintaining them up-to-date ---------CORRECT ANSWER-----------------Local notice to mariners The source to find the number of a chart for a certain geographic area --------- CORRECT ANSWER-----------------Catalog of nautical charts A weekly source for mariner warnings for serious defects or important changes to aids to navigation are published ---------CORRECT ANSWER-----------------Local notice to mariners The US Coast Pilot (volumes I thru IX) is published by which US government agency ---------CORRECT ANSWER-----------------National Ocean service Light list that are published for US coastal waters are ---------CORRECT ANSWER---- -------------Corrected only to the date of publication and must be updated there after Compass "deviation" is caused by the ---------CORRECT ANSWER----------------- Earths magnetic field
Magnetic north varies from true north because of ---------CORRECT ANSWER-------- ---------Variation
