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C3 part 1

From Marina Crp

C3 part 1
100問 • 1年前From Marina Crp
  • John Randeil “*” Montano
    • 通報

    問題一覧

  • 1

    1. Which signal is used by a rescue unit to indicate "Avast hauling"?

    Firing of a red star signal

  • 2

    2. In maritime radio-communication by "low power" given by a nautical phone is meant a transmitting power. What is the maximum power of watt given?

    0.5 watt maximum

  • 3

    3. Moored in a harbour, transmitting with a mariphone is on what regulation?

    not allowed

  • 4

    4. In making VHF communication or test transmission, you must tell how, when, where, and why?

    with DSC use, first broadcast the carrier wave for at least three seconds

  • 5

    5. This communication system is used for distress alert, transmission and reception of maritime safety information via enhanced group calls. This may also be used for general communications.

    Satcom C

  • 6

    6. Why does a radio waves used in satellite communication are not affected by ionosphere?

    TDM-signals are used

  • 7

    7. What is meant by frequency?

    time lapse of vibrations.

  • 8

    8. The content of table #2 of radiotelephony procedures is _______.

    Position in code from the International code of signals

  • 9

    9. On which frequency are navigational and meteorological messages normally sent on the NAVTEX system?

    518KHZ

  • 10

    10. What is a frequency mean?

    time lapse of vibrations.

  • 11

    11. The "squelch" adjustment on the front panel of a mariphone serves to ?

    adjust the noise threshold of the mariphone receiver

  • 12

    12. When the vessels steering wheel on the navigation bridge is turned, the difference existing between the position of the wheel and that of the rudder is known as?

    the error signal

  • 13

    13. Who operates as marine traffic monitoring and communications systems, providing navigational information and the tracking of vessel movements within the port limits?

    VTS

  • 14

    14. Where does a long distance communication in the HF-bands depends on ?

    satellites

  • 15

    15. Which one of the listed requirements regarding radiotelephone auto alarm do not correspond to present regulations?

    in presence of atmospheric or interfering signals automatically adjust itself

  • 16

    16. Which channel and mode should be used when initiating a Distress alert transmission?

    Channel 70 DSC

  • 17

    17. Which one of the listed entries in the radio log for radiotelephone station do not correspond to present regulations? Entries in the radio log shall include _______.

    the condition and results of tests of the main radiotelegraph installation

  • 18

    18. By non-reduced transmitting power in VHF is meant in a power between?

    5 - 10 watt

  • 19

    19. What should you include in the body of a radio message seeking advice for a medical emergency at sea?

    the name and owner of the ship, its position and destination

  • 20

    20. In maritime communication two international treaties are primarily involved. Identify who are they?

    Solas and the international treaty of far messaging

  • 21

    21. Squelch mode serves to suppress?

    noise in speech-breaks in an SSB-signal

  • 22

    22. When may a compulsory vessel not be allowed to leave port?

    When the vessel has replaced a required piece of GMDSS - related equipment but its performance has not been verified or logged

  • 23

    23. A polarization of a radio wave is determined by a:

    position of the aerial

  • 24

    24. The VHF radiotelephone frequency for Channel 14 is?

    156.7 MHz

  • 25

    25. The call sign of a vessel is meant to?

    be able to identify oneself

  • 26

    26. With an Inmarsat-C installation there is the addressing-option "special". Via this option?

    You can send a message by express delivery

  • 27

    28. Automatic amplifier regulation is used for the following reasons?

    with weak incoming signals distortion is reduced

  • 28

    29. On board an accident happened. Urgent radio-medical advice is needed. What category you should choose?

    safety

  • 29

    31. All ships with periodically unattended machinery plants shall, in addition to the general alarm requirements should be provided with a ______.

    engine room deadman's alarm

  • 30

    33. Channel 70 for digital selective calling for Distress, Safety and Calling frequency operate a ?

    156.526 MHZ

  • 31

    34. What item is considered the equivalent of aircraft's black box?

    VDR

  • 32

    35. What is used of Automatic amplifier regulation?

    reduce distortion of weak incoming signals

  • 33

    36. The typical "daylight-frequencies" for long distance transmission are located in the?

    8 or 12 MHz-band

  • 34

    27. What is the communication within the ship's emergency organization or communication within the shore emergency response team?

    Internal communication

  • 35

    37. Where does the radio-telex in distress traffic preference is given?

    ARQ

  • 36

    38. You are approaching a port when you see three lights in a vertical line. The upper and lower are green and the middle white. What does this mean?

    A vessel may proceed only when it has received specific orders to do so.

  • 37

    39. How does the prefix PAN indicates in radiotelephone communications?

    a calling station has an urgent message about the safety of a person

  • 38

    40. Which statement concerning GMDSS distress alerts is true?

    Information contained in a distress alert includes the name and the position of the distressed vessel, and may include additional information such as the nature of the situation and what kind of assistance that may be required.

  • 39

    41. A VHF transmission range is mainly restricted of which items on the list ?

    the curvature of the surface of the earth

  • 40

    42. Which statement about transmitting distress messages by radiotelephone is incorrect?

    It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.

  • 41

    43. What is understood by the assigned frequency?

    the upper side band (USB)

  • 42

    44. What is the primary purpose for Digital Selective Calling (DSC)?

    DSC is to be used for transmitting and receiving distress alerts to and from other ship or coast radio stations via radio.

  • 43

    45. How would you identify a VHF transmission range?

    the height of the aerial

  • 44

    46. You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is ?

    In distress

  • 45

    47. Which channel has been designated for on-scene communications in GMDSS?

    16 and 2174.5

  • 46

    49. Which system may be useful for messages, such as local storm warnings or a shore-to-ship distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?

    EGC

  • 47

    50. The legal type VHF-antenna has a length of ?

    1 meter

  • 48

    51. Which of the listed requirements regarding portable radio apparatus for survival crafts do not correspond to present regulations?

    Transmitter and receiver to be tested with intervals of not more than one month

  • 49

    52. By non-reduced transmitting power in VHF how many power in watt should be require ?

    5 - 10 watt

  • 50

    53. When a licensed mariphone is replaced, what would you do?

    the old mariphone must be checked out and the new one must be checked

  • 51

    54. What requirement is required before a mariphone is installed on board ?

    a license must be issued

  • 52

    55. Radio waves used in satellite communication are not affected by ionosphere because ?

    TDM-signals are used

  • 53

    56. The holder of ship low power radiotelephone operators permit is authorized to operate equipment or station using ?

    A3 or F3 emissions

  • 54

    57. The VHF radiotelephone frequency for Channel 16 is ?

    156.8 MHz

  • 55

    58. Can you name of the AM-signal ?

    both amplitude and frequency of the carrier wave are variable

  • 56

    59. The transmitting range of an HF transmitter is mainly determined by ?

    the height of the transmitting antenna

  • 57

    60. The button or switch "dimmer" of a mariphone serves?

    to regulate the transmitting power

  • 58

    61. The recommended connection between antenna and VHF is _____.

    coax cable connection

  • 59

    62. Regulations require that any ship making a voyage of over a 48 hour duration' must have certain tests conducted not more than 12 hours prior to leaving port, this requirement includes the testing of ______.

    means of communication between the bridge and engine room

  • 60

    63. You have just received a call from the watchstander in the engine room reporting that a high temperature alarm for a main engine bearing has just sounded. Your next instruction to the watchstander should be to ?

    bring the main engine speed to idle

  • 61

    64. Distress alert initiated for other than an appropriate test, by communications equipment intended for alerting, when no distress situation actually exists.

    False alarm

  • 62

    65. How would you understand by the wave length ?

    independent of the frequency

  • 63

    66. You receive via the 8 MHz a DCS distress alert. The received DCS message is however distorted. The MMSI as well as the position are illegible. After listening at the 8 MHz telephone distress frequency, nothing is heard. This is because ?

    First an acknowledgement of a coastguard station must be received via the 8MHz

  • 64

    67. Which of the following is a homing device to enable ships and SAR aircraft to accurately pinpoint a ship in distress position ?

    SART

  • 65

    68. Acoustic feedback can arise ?

    because the volume adjustment of the speaker is too high

  • 66

    69. Which of the following is correct about frequency modulation?

    the frequency is constant

  • 67

    70. What is a Polarization of a radio wave means ?

    the direction of the electrical field

  • 68

    71. Pledge of secrecy applies ?

    only for those who want to send and/or receive a message

  • 69

    73. What is the calling in distress frequency on a single side band (SSB) marine radiotelephone?

    2182 kHz

  • 70

    74. What is the maximum range of a VHF radio-set from ship to ship at sea ?

    200 Nautical Miles

  • 71

    75. The volume button of a mariphone controls ?

    the volume

  • 72

    76. You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?

    Making smoke in daylight

  • 73

    77. A wire aerial for an MF/HF -transmitter need to be suspended between isolators, Why?

    to prevent contact with earth

  • 74

    78. Regulations require that any tankship making a voyage of over a 48 hour duration' must have certain tests conducted not more than 12 hours prior to leaving port. Meeting this requirement includes the testing of?

    means of communication between the bridge and engine room

  • 75

    79. Calls, announcement and conversations from one station to another on board should be as brief as possible and consistent with ?

    Intelligibility

  • 76

    80. When the voyage is to be of 48 hours or greater duration, which equipment must be tested NOT more than 12 hours prior to getting underway from a port?

    Emergency generator

  • 77

    81. By the degree of selectivity of a receiver is meant ?

    Ability to make weak stations audible

  • 78

    83. The VHF radiotelephone frequency for Channel 15 is ?

    156.75 MHz

  • 79

    84. What speed is known when the rotating shaft frequency and the natural vibrating frequency become synchronized at a particular speed?

    Critical speed

  • 80

    85. In shore-ship use, what is useful range of VHF?

    About 30-70 miles Line of sight

  • 81

    86. What does MUF stand for?

    highest possible frequency that will be reflected by the ionosphere

  • 82

    87. Which visual distress signal is acceptable for daylight use only?

    Hand-held orange smoke distress flare

  • 83

    88. Which distress signal is required for a liferaft in ocean service and could be effectively used to attract the attention of aircraft at night?

    Red flares

  • 84

    89. How would you determined the wave length of a radio signal ?

    frequency

  • 85

    91. What does this mean By DUAL WATCH in maritime, VHF-communication is understood ?

    the possibility to keep radio-contact with two or more stations simultaneously

  • 86

    92. The squelch on the control panel of a VHF-sat serves to:

    adjust the threshold level for admitting signals and refusing noise

  • 87

    93. For the connection between VHF and antenna must be used ?

    a copper wire of sufficient diameter to minimize loses

  • 88

    95. To choose the HF-band, the time difference between 2 stations is ?

    is hardly relevant

  • 89

    96. For the VHF-antenna connection is used ?

    a properly insulated copper wire of sufficient diameter

  • 90

    97. What is the degree of selectivity of a receiver?

    Ability to make weak stations audible

  • 91

    98. The VHF-band is in the frequency range of ?

    30 - 300 GHz

  • 92

    99. Channel 70 for digital selective calling for Distress, for Safety and Calling frequency choose which one on the list?

    156.526 MHZ

  • 93

    100. The VHF radiotelephone frequency for Channel 13 is ?

    156.65 MHz

  • 94

    101. How should the letter "D" be pronounced when spoken on the radiotelephone?

    DELL TAH

  • 95

    102. How does the polarization of a radio wave can be determine?

    Position of the aerial

  • 96

    103. An incinerator is a waste disposal unit that will burn ?

    solid material and all types of liquid waste

  • 97

    104. The ship normally carries portable VHF and UHF marine radios. They are used for internal communications and small boat operations. They are called ?

    walkie talkies

  • 98

    105. In maritime communication two international treaties are primarily involved. They are ?

    Solas and the international treaty of far messaging

  • 99

    106. In radiotelephone communications can you indicates the prefix PAN ?

    a calling station has an urgent message about the safety of a person

  • 100

    107. To avoid the possibility of a scavenge fire what important check is to be carried out every watch and more frequently if a damaged piston ring is suspected?

    The scavenge drain line is not clogged

    • C3 part 2

    C3 part 2

    John Randeil “*” Montano · 50問 · 1年前

    C3 part 2

    C3 part 2

    50問 • 1年前
    John Randeil “*” Montano

    C4 part 2

    C4 part 2

    John Randeil “*” Montano · 19問 · 1年前

    C4 part 2

    C4 part 2

    19問 • 1年前
    John Randeil “*” Montano

    問題一覧

  • 1

    1. Which signal is used by a rescue unit to indicate "Avast hauling"?

    Firing of a red star signal

  • 2

    2. In maritime radio-communication by "low power" given by a nautical phone is meant a transmitting power. What is the maximum power of watt given?

    0.5 watt maximum

  • 3

    3. Moored in a harbour, transmitting with a mariphone is on what regulation?

    not allowed

  • 4

    4. In making VHF communication or test transmission, you must tell how, when, where, and why?

    with DSC use, first broadcast the carrier wave for at least three seconds

  • 5

    5. This communication system is used for distress alert, transmission and reception of maritime safety information via enhanced group calls. This may also be used for general communications.

    Satcom C

  • 6

    6. Why does a radio waves used in satellite communication are not affected by ionosphere?

    TDM-signals are used

  • 7

    7. What is meant by frequency?

    time lapse of vibrations.

  • 8

    8. The content of table #2 of radiotelephony procedures is _______.

    Position in code from the International code of signals

  • 9

    9. On which frequency are navigational and meteorological messages normally sent on the NAVTEX system?

    518KHZ

  • 10

    10. What is a frequency mean?

    time lapse of vibrations.

  • 11

    11. The "squelch" adjustment on the front panel of a mariphone serves to ?

    adjust the noise threshold of the mariphone receiver

  • 12

    12. When the vessels steering wheel on the navigation bridge is turned, the difference existing between the position of the wheel and that of the rudder is known as?

    the error signal

  • 13

    13. Who operates as marine traffic monitoring and communications systems, providing navigational information and the tracking of vessel movements within the port limits?

    VTS

  • 14

    14. Where does a long distance communication in the HF-bands depends on ?

    satellites

  • 15

    15. Which one of the listed requirements regarding radiotelephone auto alarm do not correspond to present regulations?

    in presence of atmospheric or interfering signals automatically adjust itself

  • 16

    16. Which channel and mode should be used when initiating a Distress alert transmission?

    Channel 70 DSC

  • 17

    17. Which one of the listed entries in the radio log for radiotelephone station do not correspond to present regulations? Entries in the radio log shall include _______.

    the condition and results of tests of the main radiotelegraph installation

  • 18

    18. By non-reduced transmitting power in VHF is meant in a power between?

    5 - 10 watt

  • 19

    19. What should you include in the body of a radio message seeking advice for a medical emergency at sea?

    the name and owner of the ship, its position and destination

  • 20

    20. In maritime communication two international treaties are primarily involved. Identify who are they?

    Solas and the international treaty of far messaging

  • 21

    21. Squelch mode serves to suppress?

    noise in speech-breaks in an SSB-signal

  • 22

    22. When may a compulsory vessel not be allowed to leave port?

    When the vessel has replaced a required piece of GMDSS - related equipment but its performance has not been verified or logged

  • 23

    23. A polarization of a radio wave is determined by a:

    position of the aerial

  • 24

    24. The VHF radiotelephone frequency for Channel 14 is?

    156.7 MHz

  • 25

    25. The call sign of a vessel is meant to?

    be able to identify oneself

  • 26

    26. With an Inmarsat-C installation there is the addressing-option "special". Via this option?

    You can send a message by express delivery

  • 27

    28. Automatic amplifier regulation is used for the following reasons?

    with weak incoming signals distortion is reduced

  • 28

    29. On board an accident happened. Urgent radio-medical advice is needed. What category you should choose?

    safety

  • 29

    31. All ships with periodically unattended machinery plants shall, in addition to the general alarm requirements should be provided with a ______.

    engine room deadman's alarm

  • 30

    33. Channel 70 for digital selective calling for Distress, Safety and Calling frequency operate a ?

    156.526 MHZ

  • 31

    34. What item is considered the equivalent of aircraft's black box?

    VDR

  • 32

    35. What is used of Automatic amplifier regulation?

    reduce distortion of weak incoming signals

  • 33

    36. The typical "daylight-frequencies" for long distance transmission are located in the?

    8 or 12 MHz-band

  • 34

    27. What is the communication within the ship's emergency organization or communication within the shore emergency response team?

    Internal communication

  • 35

    37. Where does the radio-telex in distress traffic preference is given?

    ARQ

  • 36

    38. You are approaching a port when you see three lights in a vertical line. The upper and lower are green and the middle white. What does this mean?

    A vessel may proceed only when it has received specific orders to do so.

  • 37

    39. How does the prefix PAN indicates in radiotelephone communications?

    a calling station has an urgent message about the safety of a person

  • 38

    40. Which statement concerning GMDSS distress alerts is true?

    Information contained in a distress alert includes the name and the position of the distressed vessel, and may include additional information such as the nature of the situation and what kind of assistance that may be required.

  • 39

    41. A VHF transmission range is mainly restricted of which items on the list ?

    the curvature of the surface of the earth

  • 40

    42. Which statement about transmitting distress messages by radiotelephone is incorrect?

    It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.

  • 41

    43. What is understood by the assigned frequency?

    the upper side band (USB)

  • 42

    44. What is the primary purpose for Digital Selective Calling (DSC)?

    DSC is to be used for transmitting and receiving distress alerts to and from other ship or coast radio stations via radio.

  • 43

    45. How would you identify a VHF transmission range?

    the height of the aerial

  • 44

    46. You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is ?

    In distress

  • 45

    47. Which channel has been designated for on-scene communications in GMDSS?

    16 and 2174.5

  • 46

    49. Which system may be useful for messages, such as local storm warnings or a shore-to-ship distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?

    EGC

  • 47

    50. The legal type VHF-antenna has a length of ?

    1 meter

  • 48

    51. Which of the listed requirements regarding portable radio apparatus for survival crafts do not correspond to present regulations?

    Transmitter and receiver to be tested with intervals of not more than one month

  • 49

    52. By non-reduced transmitting power in VHF how many power in watt should be require ?

    5 - 10 watt

  • 50

    53. When a licensed mariphone is replaced, what would you do?

    the old mariphone must be checked out and the new one must be checked

  • 51

    54. What requirement is required before a mariphone is installed on board ?

    a license must be issued

  • 52

    55. Radio waves used in satellite communication are not affected by ionosphere because ?

    TDM-signals are used

  • 53

    56. The holder of ship low power radiotelephone operators permit is authorized to operate equipment or station using ?

    A3 or F3 emissions

  • 54

    57. The VHF radiotelephone frequency for Channel 16 is ?

    156.8 MHz

  • 55

    58. Can you name of the AM-signal ?

    both amplitude and frequency of the carrier wave are variable

  • 56

    59. The transmitting range of an HF transmitter is mainly determined by ?

    the height of the transmitting antenna

  • 57

    60. The button or switch "dimmer" of a mariphone serves?

    to regulate the transmitting power

  • 58

    61. The recommended connection between antenna and VHF is _____.

    coax cable connection

  • 59

    62. Regulations require that any ship making a voyage of over a 48 hour duration' must have certain tests conducted not more than 12 hours prior to leaving port, this requirement includes the testing of ______.

    means of communication between the bridge and engine room

  • 60

    63. You have just received a call from the watchstander in the engine room reporting that a high temperature alarm for a main engine bearing has just sounded. Your next instruction to the watchstander should be to ?

    bring the main engine speed to idle

  • 61

    64. Distress alert initiated for other than an appropriate test, by communications equipment intended for alerting, when no distress situation actually exists.

    False alarm

  • 62

    65. How would you understand by the wave length ?

    independent of the frequency

  • 63

    66. You receive via the 8 MHz a DCS distress alert. The received DCS message is however distorted. The MMSI as well as the position are illegible. After listening at the 8 MHz telephone distress frequency, nothing is heard. This is because ?

    First an acknowledgement of a coastguard station must be received via the 8MHz

  • 64

    67. Which of the following is a homing device to enable ships and SAR aircraft to accurately pinpoint a ship in distress position ?

    SART

  • 65

    68. Acoustic feedback can arise ?

    because the volume adjustment of the speaker is too high

  • 66

    69. Which of the following is correct about frequency modulation?

    the frequency is constant

  • 67

    70. What is a Polarization of a radio wave means ?

    the direction of the electrical field

  • 68

    71. Pledge of secrecy applies ?

    only for those who want to send and/or receive a message

  • 69

    73. What is the calling in distress frequency on a single side band (SSB) marine radiotelephone?

    2182 kHz

  • 70

    74. What is the maximum range of a VHF radio-set from ship to ship at sea ?

    200 Nautical Miles

  • 71

    75. The volume button of a mariphone controls ?

    the volume

  • 72

    76. You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?

    Making smoke in daylight

  • 73

    77. A wire aerial for an MF/HF -transmitter need to be suspended between isolators, Why?

    to prevent contact with earth

  • 74

    78. Regulations require that any tankship making a voyage of over a 48 hour duration' must have certain tests conducted not more than 12 hours prior to leaving port. Meeting this requirement includes the testing of?

    means of communication between the bridge and engine room

  • 75

    79. Calls, announcement and conversations from one station to another on board should be as brief as possible and consistent with ?

    Intelligibility

  • 76

    80. When the voyage is to be of 48 hours or greater duration, which equipment must be tested NOT more than 12 hours prior to getting underway from a port?

    Emergency generator

  • 77

    81. By the degree of selectivity of a receiver is meant ?

    Ability to make weak stations audible

  • 78

    83. The VHF radiotelephone frequency for Channel 15 is ?

    156.75 MHz

  • 79

    84. What speed is known when the rotating shaft frequency and the natural vibrating frequency become synchronized at a particular speed?

    Critical speed

  • 80

    85. In shore-ship use, what is useful range of VHF?

    About 30-70 miles Line of sight

  • 81

    86. What does MUF stand for?

    highest possible frequency that will be reflected by the ionosphere

  • 82

    87. Which visual distress signal is acceptable for daylight use only?

    Hand-held orange smoke distress flare

  • 83

    88. Which distress signal is required for a liferaft in ocean service and could be effectively used to attract the attention of aircraft at night?

    Red flares

  • 84

    89. How would you determined the wave length of a radio signal ?

    frequency

  • 85

    91. What does this mean By DUAL WATCH in maritime, VHF-communication is understood ?

    the possibility to keep radio-contact with two or more stations simultaneously

  • 86

    92. The squelch on the control panel of a VHF-sat serves to:

    adjust the threshold level for admitting signals and refusing noise

  • 87

    93. For the connection between VHF and antenna must be used ?

    a copper wire of sufficient diameter to minimize loses

  • 88

    95. To choose the HF-band, the time difference between 2 stations is ?

    is hardly relevant

  • 89

    96. For the VHF-antenna connection is used ?

    a properly insulated copper wire of sufficient diameter

  • 90

    97. What is the degree of selectivity of a receiver?

    Ability to make weak stations audible

  • 91

    98. The VHF-band is in the frequency range of ?

    30 - 300 GHz

  • 92

    99. Channel 70 for digital selective calling for Distress, for Safety and Calling frequency choose which one on the list?

    156.526 MHZ

  • 93

    100. The VHF radiotelephone frequency for Channel 13 is ?

    156.65 MHz

  • 94

    101. How should the letter "D" be pronounced when spoken on the radiotelephone?

    DELL TAH

  • 95

    102. How does the polarization of a radio wave can be determine?

    Position of the aerial

  • 96

    103. An incinerator is a waste disposal unit that will burn ?

    solid material and all types of liquid waste

  • 97

    104. The ship normally carries portable VHF and UHF marine radios. They are used for internal communications and small boat operations. They are called ?

    walkie talkies

  • 98

    105. In maritime communication two international treaties are primarily involved. They are ?

    Solas and the international treaty of far messaging

  • 99

    106. In radiotelephone communications can you indicates the prefix PAN ?

    a calling station has an urgent message about the safety of a person

  • 100

    107. To avoid the possibility of a scavenge fire what important check is to be carried out every watch and more frequently if a damaged piston ring is suspected?

    The scavenge drain line is not clogged