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nav(semi)

nav(semi)
60問 • 2年前
  • Hope Nueva España
    • 通報

    問題一覧

  • 1

    What is the term for minimum clearance available between the deepest point on the vessel and the bottom in still water?

    Under keel clearance

  • 2

    Which condition that a vessel will steer more easily?

    When she is trimmed by the stern

  • 3

    The following tools set limitations to ship's track in order to avoid accidents EXCEPT

    Critical objects

  • 4

    What should be the base of the ECDIS grounding alarm?

    Chart information

  • 5

    Cross-track limit is used on the following EXCEPT

    Stray both sides of the track

  • 6

    Which function you can activate that floats with the ship and will provide a visual indication that your ship is on course or off-course?

    Parallel index lines

  • 7

    What is/are the most important safety features found in ECDIS?

    Safety contour

  • 8

    Which triggers the alarm when the vessel is approaching a shallow water?

    Safety contour

  • 9

    Who has the authority to approved a voyage plan?

    Master

  • 10

    What ECDIS tool is highlighting a given safety contour based on safety depth?

    Limiting danger line

  • 11

    Where does a voyage plan should start and end?

    Berth to berth

  • 12

    Below are factors that affect a vessel's turn EXCEPT

    Available depth contour of water

  • 13

    When using radar for fixing ship position, which medium is best and more accurate?

    two or more ranges

  • 14

    Many factors will affect the vessel's maneuverability EXCEPT

    Corrosion of propeller

  • 15

    Which tool allows the ECDIS to scan ahead of the ship to a distance set by the user?

    User-defined distance

  • 16

    Which function alerts the observer beforehand before shallow coastal water?

    Anti-grounding

  • 17

    What is the point of execution which a vessel must start her course alteration to keep on the next track?

    Wheel over point

  • 18

    What is defined as the distance traveled by a vessel after giving the wheel over and before commencing turn?

    Head reach

  • 19

    A ship with a speed of 17 knots and a turning radius of 0.132 miles, based on the rate of turn formula, what is the rate of turn?

    123 deg per minute

  • 20

    What stage is collecting information and validating all relevant information?

    Appraisal

  • 21

    Which statement is true regarding the dead reckoning system in ECDIS?

    position will likely become less accurate

  • 22

    What dangers are highlighted by RNC during route scanning?

    User defined

  • 23

    In route planning the navigator wishes to specify an alarm for a sharp curve, what is the alarm?

    Critical point alarm

  • 24

    What facility acts as a final layer of safety should a navigational danger be missed by the visual check or route scan?

    Anti-grounding function

  • 25

    Which factor below is NOT correct in voyage planning?

    Any routing constraints imposed by the charterer on the ship

  • 26

    Which of the following statement is incorrect regarding recording and counter-checking of ship position on ECDIS?

    it is required by the pilot and VTS

  • 27

    What is the purpose of the look-ahead feature in ECDIS?

    to alarm incoming lower water depth

  • 28

    Which of the following statement is true relating to the maneuvering characteristics of a vessel?

    The position of the pivot point will vary performance

  • 29

    What was the vector in a radar-arpa and ais target represents?

    course and speed of target

  • 30

    What stage is ensuring that the voyage plan is being followed?

    Execution

  • 31

    What is the alarm on ECDIS when it detects an obstacle closer than the set limit?

    Grounding alarm

  • 32

    Which tool the navigator will easily detect in case the ship is drifting towards a coastline caused by current?

    PIL

  • 33

    Which statement is not TRUE in voyage planning?

    Voyage plan should be presented to port authorities

  • 34

    What is the biggest disadvantage of ECDIS?

    limited size of display

  • 35

    The mandatory requirement of navigational equipment to be connected to ECDIS is EXCEPT

    depth measuring device

  • 36

    Traditional methods of position fixing includes the following EXCEPT

    using a satellite-based system

  • 37

    What system does not work with the route scanning process?

    Raster Navigational Chart

  • 38

    When the d-GPS is absent in the ECDIS system, which system it will automatically change?

    dead reackoning

  • 39

    Which function in ECDIS can be used to label ENC chart features and its main purpose is the de-clutter the chart display?

    Scale minimum

  • 40

    When browsing ENC, what is the shortest way to return the display to normal?

    Best chart

  • 41

    Which of the following is NOT included in ECDIS standard display?

    Scale bars labels

  • 42

    ECDIS base display consist of the following EXCEPT

    Chart boundary

  • 43

    Which user object with point geometry such as buoy or obstruction?

    Symbol

  • 44

    Which tool allows the user to get an alarm ahead of ownship of any danger?

    Anti-grounding function

  • 45

    What is created when using a special ECDIS graphic editor?

    Mariner's Note

  • 46

    What tool is useful to insert text, draw lines and highlight areas for passage planning?

    Mariner's overlay

  • 47

    user entered depth that will affect the appearance of spot soundings

    deep contour

  • 48

    ECDIS default value of safety contour

    30m

  • 49

    reduce the amount of information displayed on ecdis

    scamin

  • 50

    limit is used to control the ships deviation from planned track.

    XTE

  • 51

    sole purpose is to portray spot soundings in grey and white areas

    safety depth

  • 52

    area where ownship will experience squat

    deep contour

  • 53

    highlight the gradients of seabed

    shallow contour

  • 54

    this value should not be less than the shallow contour setting value + safety margin

    safety contour

  • 55

    to measure the angle of an object

    EBL

  • 56

    to measure the distance of an object

    VRM

  • 57

    at any point indicates the latitude and longitude

    marker position

  • 58

    emphasizes deep and shallow areas by use of contrast color using this mode

    shallow contour

  • 59

    giving an adequate safety allowance for the dynamic draft of the vessel

    safety contour

  • 60

    function primarily used for the route checking

    safety depth

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    問題一覧

  • 1

    What is the term for minimum clearance available between the deepest point on the vessel and the bottom in still water?

    Under keel clearance

  • 2

    Which condition that a vessel will steer more easily?

    When she is trimmed by the stern

  • 3

    The following tools set limitations to ship's track in order to avoid accidents EXCEPT

    Critical objects

  • 4

    What should be the base of the ECDIS grounding alarm?

    Chart information

  • 5

    Cross-track limit is used on the following EXCEPT

    Stray both sides of the track

  • 6

    Which function you can activate that floats with the ship and will provide a visual indication that your ship is on course or off-course?

    Parallel index lines

  • 7

    What is/are the most important safety features found in ECDIS?

    Safety contour

  • 8

    Which triggers the alarm when the vessel is approaching a shallow water?

    Safety contour

  • 9

    Who has the authority to approved a voyage plan?

    Master

  • 10

    What ECDIS tool is highlighting a given safety contour based on safety depth?

    Limiting danger line

  • 11

    Where does a voyage plan should start and end?

    Berth to berth

  • 12

    Below are factors that affect a vessel's turn EXCEPT

    Available depth contour of water

  • 13

    When using radar for fixing ship position, which medium is best and more accurate?

    two or more ranges

  • 14

    Many factors will affect the vessel's maneuverability EXCEPT

    Corrosion of propeller

  • 15

    Which tool allows the ECDIS to scan ahead of the ship to a distance set by the user?

    User-defined distance

  • 16

    Which function alerts the observer beforehand before shallow coastal water?

    Anti-grounding

  • 17

    What is the point of execution which a vessel must start her course alteration to keep on the next track?

    Wheel over point

  • 18

    What is defined as the distance traveled by a vessel after giving the wheel over and before commencing turn?

    Head reach

  • 19

    A ship with a speed of 17 knots and a turning radius of 0.132 miles, based on the rate of turn formula, what is the rate of turn?

    123 deg per minute

  • 20

    What stage is collecting information and validating all relevant information?

    Appraisal

  • 21

    Which statement is true regarding the dead reckoning system in ECDIS?

    position will likely become less accurate

  • 22

    What dangers are highlighted by RNC during route scanning?

    User defined

  • 23

    In route planning the navigator wishes to specify an alarm for a sharp curve, what is the alarm?

    Critical point alarm

  • 24

    What facility acts as a final layer of safety should a navigational danger be missed by the visual check or route scan?

    Anti-grounding function

  • 25

    Which factor below is NOT correct in voyage planning?

    Any routing constraints imposed by the charterer on the ship

  • 26

    Which of the following statement is incorrect regarding recording and counter-checking of ship position on ECDIS?

    it is required by the pilot and VTS

  • 27

    What is the purpose of the look-ahead feature in ECDIS?

    to alarm incoming lower water depth

  • 28

    Which of the following statement is true relating to the maneuvering characteristics of a vessel?

    The position of the pivot point will vary performance

  • 29

    What was the vector in a radar-arpa and ais target represents?

    course and speed of target

  • 30

    What stage is ensuring that the voyage plan is being followed?

    Execution

  • 31

    What is the alarm on ECDIS when it detects an obstacle closer than the set limit?

    Grounding alarm

  • 32

    Which tool the navigator will easily detect in case the ship is drifting towards a coastline caused by current?

    PIL

  • 33

    Which statement is not TRUE in voyage planning?

    Voyage plan should be presented to port authorities

  • 34

    What is the biggest disadvantage of ECDIS?

    limited size of display

  • 35

    The mandatory requirement of navigational equipment to be connected to ECDIS is EXCEPT

    depth measuring device

  • 36

    Traditional methods of position fixing includes the following EXCEPT

    using a satellite-based system

  • 37

    What system does not work with the route scanning process?

    Raster Navigational Chart

  • 38

    When the d-GPS is absent in the ECDIS system, which system it will automatically change?

    dead reackoning

  • 39

    Which function in ECDIS can be used to label ENC chart features and its main purpose is the de-clutter the chart display?

    Scale minimum

  • 40

    When browsing ENC, what is the shortest way to return the display to normal?

    Best chart

  • 41

    Which of the following is NOT included in ECDIS standard display?

    Scale bars labels

  • 42

    ECDIS base display consist of the following EXCEPT

    Chart boundary

  • 43

    Which user object with point geometry such as buoy or obstruction?

    Symbol

  • 44

    Which tool allows the user to get an alarm ahead of ownship of any danger?

    Anti-grounding function

  • 45

    What is created when using a special ECDIS graphic editor?

    Mariner's Note

  • 46

    What tool is useful to insert text, draw lines and highlight areas for passage planning?

    Mariner's overlay

  • 47

    user entered depth that will affect the appearance of spot soundings

    deep contour

  • 48

    ECDIS default value of safety contour

    30m

  • 49

    reduce the amount of information displayed on ecdis

    scamin

  • 50

    limit is used to control the ships deviation from planned track.

    XTE

  • 51

    sole purpose is to portray spot soundings in grey and white areas

    safety depth

  • 52

    area where ownship will experience squat

    deep contour

  • 53

    highlight the gradients of seabed

    shallow contour

  • 54

    this value should not be less than the shallow contour setting value + safety margin

    safety contour

  • 55

    to measure the angle of an object

    EBL

  • 56

    to measure the distance of an object

    VRM

  • 57

    at any point indicates the latitude and longitude

    marker position

  • 58

    emphasizes deep and shallow areas by use of contrast color using this mode

    shallow contour

  • 59

    giving an adequate safety allowance for the dynamic draft of the vessel

    safety contour

  • 60

    function primarily used for the route checking

    safety depth