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CRP FUNCTION 1 - COMPETENCY 1
44問 • 1年前NAVIGATION
  • Joshua Sorongon
    • 通報

    問題一覧

  • 1

    What is the line drawn on a chart through places having the same value of magnetic declination?

    Isogonal

  • 2

    What is the line drawn on a chart through places that is synonymous with the Magnetic Equator?

    Aclinic

  • 3

    What is the line drawn on a chart through places of NO variation?

    Agonic

  • 4

    What is the line drawn on a chart through places having the same value of magnetic dip?

    Isoclinal

  • 5

    Which of the following statements is describing a Warm Front?

    The warmer air ascend over the colder air is more or less uniform where the intensity of rainfall is widder and longer in duration.

  • 6

    In weather forecasting, certain types of clouds are associated with certain types of weather. If you observe with a "mackerel sky", what is the belief does it represents?

    Precursor of bad weather

  • 7

    What is your idea about a cold front?

    It is when a colder air is underruning and displacing warmer air.

  • 8

    In weather forecasting, certain types of clouds are associated with certain types of weather. If you observed with an "Alto cumulus" type of cloud at a sufficient low angle of elevation, what does it represents?

    A sign of instability which may give rise to thunderstorms.

  • 9

    If you received a weather forecasts wherein the word fracto is used as a prefix to stratus or cumulus clouds, what kind of weather is accompanying this?

    Rainy weather with strong winds.

  • 10

    What is the ability of a substance to retain magnetic properties after the magnetizing force has been removed?

    Magnetic remanence

  • 11

    What would you call the number of lines of force crossing a give surface area in magnetic field?

    Magnetic flux

  • 12

    What is the ratio of the intensity of magnetization produced in a substance to the magnetic force to which the material is subjected?

    Magnetic susceptibility.

  • 13

    What is the tendency of magnetic lines of induction to concentrate on material of high permeability?

    Magnetic shielding.

  • 14

    Which of the following is NOT an error of a global positioning system?

    Tropospheric ducting

  • 15

    How many knots must a ship maintained in order for the speed adjustment of the master gyrocompass be effective?

    3 knots

  • 16

    In Great Britain, the Nautical Almanac has been published annually and each page contains data that are tabulated for how many days?

    3 days

  • 17

    When you navigate using magnetic compass, what is the force that causes compass deviation?

    Magnetic field

  • 18

    Common time on a typical clock measures a slightly longer cycle accounting for the Earth's axial rotation. How much is the difference between a sidereal day and a solar day?

    4.0905 SI seconds

  • 19

    Which error is being reduced by the magnets in the binnacles of magnetic compasses?

    Deviation error

  • 20

    How does a Global Positioning System reciever get a signal from the satellite?

    Satellite signals are sent at different frequencies and coded.

  • 21

    A landmark is 36.5 meters high and the light has a nominal range of 18 n.m.. Your height of eye is 12.75 meters. If the visibility is 11.2 n.m. when the light becomes visible, approximately how far off the light you will be?

    19.0 nm

  • 22

    Referring to the Light List, a light has a nominal range of 14 miles and 12.8 meters high. If the visibility is 6 nautical miles and your height of eye is 6.0 meters, at what approximate distance will you sight the light?

    10.0 nautical miles

  • 23

    What is meant by arc of visibility?

    It is the portion of the horizon over which a lighted aid to navigation is visible from seaward.

  • 24

    Referring to the light list, a light has a nominal range of 14 miles and 26 feet high. If the visibility is 14 nautical miles and your height of eye is 20.0 feet, at what approximate distance will you sight the light?

    11.1 nautical miles

  • 25

    You are underway on course 160°T at 10 knots. The current is 210°T at 0.9 knots. What is the speed made good?

    10.7 knots

  • 26

    You are underway and intend to make a good course of 040°T. You experience a current with a set and drift of 190°T at 1.4 knots, and a northwest wind produces a leeway of 3°. You adjust your course to compensate for the current and leeway while maintaining an engine speed of 10 knots. Find your speed made good over you intended course of 040°T.

    8.8 knots

  • 27

    If your vessel steer 349°T and current sets NxW true at the rate of 2 knots. At 2215 hrs a light bore 034°T and at 2300 hrs the same light bore 079°T. Vessel's speed (by revolutions) is 18.5 kts. What is the distance offl light at 2300 hrs?

    15.375 miles

  • 28

    Polar distances are expressed in degrees and is not affected by the precession of the equinoxes. What is the polar distance of an object that is on the celestial equator?

    90 degrees

  • 29

    What is the bearing of the celestial body during meridian transit at the First Point of Capricorn if the observer is at the equator?

    180 degrees

  • 30

    What is the latitude of a place where the sun is exactly at the zenith of the observer at Local Apparent Noon (LAN) of June 21?

    23 deg. 27 min. North

  • 31

    When the body is on the rational horizon, what is its zenith distance?

    090 degrees

  • 32

    How would you show your understanding of humidity?

    It is the water vapour of the air expressed in mass per unit volume.

  • 33

    Base on what you know, what is your opinion on dew point?

    It is the temperature to which unsaturated air must be cooled at constant pressure and constant water vapour content.

  • 34

    Base on what you know, how would you explain your understanding of humidity?

    It is the water vapour of the air expressed in mass per unit volume.

  • 35

    How would you prove your understanding of Relative Humidity?

    The actual amount of water vapor in a sample of air over the maximum amount of water vapor that the sample can contain x 100.

  • 36

    How can you describe Absolute Humidity?

    The amount of water vapor that a given quantity of air holds.

  • 37

    How would you show your understanding of dew point?

    It is the temperature to which unsaturated air must be cooled at constant pressure and constant water vapor content.

  • 38

    Which is the best answer with regards to the working principle of a hygrometer?

    The lower the humidity of the air the faster the evaporation.

  • 39

    How would you show your understanding of an Echo Sounder's error if you encounter a velocity of propagation in water?

    If temperature, salinity or pressure changes, the acoustic wavelength changes therefore the depth recorded will be inaccurate.

  • 40

    What is the relationship of the GAIN switch in the overall performance of the Echo Sounder in order to obtain accuracy and a clear record of the seabed?

    It entails signal amplification of the noise and consequently the data record may be confused.

  • 41

    What is the relationship of the "Register Intensity" switch in the overall performance of the Echo Sounder in order to obtain accuracy and a clear record of the seabed?

    It is used in analogue echo sounders to adjust the recording intensity.

  • 42

    Which routeing measure is described that constitute a boundary of opposing streams of traffic by appropriate means?

    Traffic separation scheme

  • 43

    What is meant by separation line?

    A routeing measure which ships are proceeding in opposite or nearly opposite directions.

  • 44

    Which routeing measure is described as areas within defined limits that constitute a boundary caused by natural obstacles, including those forming separation zones?

    Traffic lane

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    問題一覧

  • 1

    What is the line drawn on a chart through places having the same value of magnetic declination?

    Isogonal

  • 2

    What is the line drawn on a chart through places that is synonymous with the Magnetic Equator?

    Aclinic

  • 3

    What is the line drawn on a chart through places of NO variation?

    Agonic

  • 4

    What is the line drawn on a chart through places having the same value of magnetic dip?

    Isoclinal

  • 5

    Which of the following statements is describing a Warm Front?

    The warmer air ascend over the colder air is more or less uniform where the intensity of rainfall is widder and longer in duration.

  • 6

    In weather forecasting, certain types of clouds are associated with certain types of weather. If you observe with a "mackerel sky", what is the belief does it represents?

    Precursor of bad weather

  • 7

    What is your idea about a cold front?

    It is when a colder air is underruning and displacing warmer air.

  • 8

    In weather forecasting, certain types of clouds are associated with certain types of weather. If you observed with an "Alto cumulus" type of cloud at a sufficient low angle of elevation, what does it represents?

    A sign of instability which may give rise to thunderstorms.

  • 9

    If you received a weather forecasts wherein the word fracto is used as a prefix to stratus or cumulus clouds, what kind of weather is accompanying this?

    Rainy weather with strong winds.

  • 10

    What is the ability of a substance to retain magnetic properties after the magnetizing force has been removed?

    Magnetic remanence

  • 11

    What would you call the number of lines of force crossing a give surface area in magnetic field?

    Magnetic flux

  • 12

    What is the ratio of the intensity of magnetization produced in a substance to the magnetic force to which the material is subjected?

    Magnetic susceptibility.

  • 13

    What is the tendency of magnetic lines of induction to concentrate on material of high permeability?

    Magnetic shielding.

  • 14

    Which of the following is NOT an error of a global positioning system?

    Tropospheric ducting

  • 15

    How many knots must a ship maintained in order for the speed adjustment of the master gyrocompass be effective?

    3 knots

  • 16

    In Great Britain, the Nautical Almanac has been published annually and each page contains data that are tabulated for how many days?

    3 days

  • 17

    When you navigate using magnetic compass, what is the force that causes compass deviation?

    Magnetic field

  • 18

    Common time on a typical clock measures a slightly longer cycle accounting for the Earth's axial rotation. How much is the difference between a sidereal day and a solar day?

    4.0905 SI seconds

  • 19

    Which error is being reduced by the magnets in the binnacles of magnetic compasses?

    Deviation error

  • 20

    How does a Global Positioning System reciever get a signal from the satellite?

    Satellite signals are sent at different frequencies and coded.

  • 21

    A landmark is 36.5 meters high and the light has a nominal range of 18 n.m.. Your height of eye is 12.75 meters. If the visibility is 11.2 n.m. when the light becomes visible, approximately how far off the light you will be?

    19.0 nm

  • 22

    Referring to the Light List, a light has a nominal range of 14 miles and 12.8 meters high. If the visibility is 6 nautical miles and your height of eye is 6.0 meters, at what approximate distance will you sight the light?

    10.0 nautical miles

  • 23

    What is meant by arc of visibility?

    It is the portion of the horizon over which a lighted aid to navigation is visible from seaward.

  • 24

    Referring to the light list, a light has a nominal range of 14 miles and 26 feet high. If the visibility is 14 nautical miles and your height of eye is 20.0 feet, at what approximate distance will you sight the light?

    11.1 nautical miles

  • 25

    You are underway on course 160°T at 10 knots. The current is 210°T at 0.9 knots. What is the speed made good?

    10.7 knots

  • 26

    You are underway and intend to make a good course of 040°T. You experience a current with a set and drift of 190°T at 1.4 knots, and a northwest wind produces a leeway of 3°. You adjust your course to compensate for the current and leeway while maintaining an engine speed of 10 knots. Find your speed made good over you intended course of 040°T.

    8.8 knots

  • 27

    If your vessel steer 349°T and current sets NxW true at the rate of 2 knots. At 2215 hrs a light bore 034°T and at 2300 hrs the same light bore 079°T. Vessel's speed (by revolutions) is 18.5 kts. What is the distance offl light at 2300 hrs?

    15.375 miles

  • 28

    Polar distances are expressed in degrees and is not affected by the precession of the equinoxes. What is the polar distance of an object that is on the celestial equator?

    90 degrees

  • 29

    What is the bearing of the celestial body during meridian transit at the First Point of Capricorn if the observer is at the equator?

    180 degrees

  • 30

    What is the latitude of a place where the sun is exactly at the zenith of the observer at Local Apparent Noon (LAN) of June 21?

    23 deg. 27 min. North

  • 31

    When the body is on the rational horizon, what is its zenith distance?

    090 degrees

  • 32

    How would you show your understanding of humidity?

    It is the water vapour of the air expressed in mass per unit volume.

  • 33

    Base on what you know, what is your opinion on dew point?

    It is the temperature to which unsaturated air must be cooled at constant pressure and constant water vapour content.

  • 34

    Base on what you know, how would you explain your understanding of humidity?

    It is the water vapour of the air expressed in mass per unit volume.

  • 35

    How would you prove your understanding of Relative Humidity?

    The actual amount of water vapor in a sample of air over the maximum amount of water vapor that the sample can contain x 100.

  • 36

    How can you describe Absolute Humidity?

    The amount of water vapor that a given quantity of air holds.

  • 37

    How would you show your understanding of dew point?

    It is the temperature to which unsaturated air must be cooled at constant pressure and constant water vapor content.

  • 38

    Which is the best answer with regards to the working principle of a hygrometer?

    The lower the humidity of the air the faster the evaporation.

  • 39

    How would you show your understanding of an Echo Sounder's error if you encounter a velocity of propagation in water?

    If temperature, salinity or pressure changes, the acoustic wavelength changes therefore the depth recorded will be inaccurate.

  • 40

    What is the relationship of the GAIN switch in the overall performance of the Echo Sounder in order to obtain accuracy and a clear record of the seabed?

    It entails signal amplification of the noise and consequently the data record may be confused.

  • 41

    What is the relationship of the "Register Intensity" switch in the overall performance of the Echo Sounder in order to obtain accuracy and a clear record of the seabed?

    It is used in analogue echo sounders to adjust the recording intensity.

  • 42

    Which routeing measure is described that constitute a boundary of opposing streams of traffic by appropriate means?

    Traffic separation scheme

  • 43

    What is meant by separation line?

    A routeing measure which ships are proceeding in opposite or nearly opposite directions.

  • 44

    Which routeing measure is described as areas within defined limits that constitute a boundary caused by natural obstacles, including those forming separation zones?

    Traffic lane