GMDSS C2 PDF

GMDSS C2 1. When a DSC Distress Alert is received requesting J3E by the other vessel on fire,what should you do as a GMDSS Radio Operator? Immediately you shopuld set a continuous watch on VHF channel 70. >Set a continuous watch on the radio telephone frequency corresponding with the frequency...

GMDSS C2 1. When a DSC Distress Alert is received requesting J3E by the other vessel on fire,what should you do as a GMDSS Radio Operator? Immediately you shopuld set a continuous watch on VHF channel 70. >Set a continuous watch on the radio telephone frequency corresponding with the frequency band where the distress warning was received right away. Set a continuous watch on the NBDP frequency that is associated with frequency band on which the distress alert was received right away. No action is necessary as the DSC control unit will automatically switch the NBDP on a follow>on>communication frequency. 2. Which of the following is a symptoms of a malfunction on a GMDSS station with a 24 VDC battery system? All of the symptoms indicate a potential battery charger malfunction. >A constant 30 volts reading on the GMDSS console volt meter. A voltmeter reading of 30 volts for a brief duration followed by a constant 26 volt reading after testing the station on battery power. The ammeter measurement indicates a high rate of charging that lowers after testing the station battery power. 3. On board a survival craft what GMDSS equipment is used? GPS >EPIRB NAVTEX Handheld radio 4. What can be the visual observation of a condition whereby it may be possible to initiate a reliable TELEX transmission but a voice transmission may not be possible? >An indication on a meter or on the terminal of low receiver signal strength. An indication that the antenna has reached its maximum travel in one direction. An indication on a meter or on the display terminal of a high transmit power. An indication of a very high antenna elevation on the terminal display screen. 5. What is the operational communications conducted by radio other than distress? Security related communication Public correspondence communication Operational traffic communication >General Communication 6. When making a DSC public correspondence , how long would you wait before attempting to make a second call with a station which does not answer? 10 minutes 15 minutes 3 minutes >5 minutes 7. You had abandon your vessel because of distress situation, which of the following should be taken on board a survival craft? Nothing to worry as the SART and EPIRB will both float free and operate automatically. Program the SART and EPIRB to transmit the vessel location and the nature of distress. >Place the SART and EPIRB in the "ON" position and secure them to the survival craft. Throw the SART and EPIRB in the water to activate automatically. 8. What is the reason why you should minimized function testing of a SART? Only test in port to prevent potential interference with a safe navigation at sea. >Potential interference with safe navigation, possible misinterpretation of actual distress, and minimizes draining of the battery. Possibility of misinterpretation by other vessels as a distress situation. Minimize power consumption and only test at sea to reduce potential interference and confusion. 9. Who is in charge of distress traffic during SAR operations when all participating ships are merchant vessels? >Rescue Coordination Centre (RCC) Coordination Surface Search (CSS) The first vessel that arrived on the scene On >Scene Commander (OSC) 10. Your vessel is on fire on a radio traffic sea area, how will you initiate a callusing VHF? PAN>PAN spoken three times followed by the nature of your message. >MAYDAY spoken three times and followed by the nature of your message. Any STATIONS or ALL SHIPs spoken three times followed by the nature of your message. SECURITEE spoken three times followed by the nature of your message. 11. If an Inmarsat Distress Alert set up menu contains an incorrect or unavailable LES code, what will happen to the distress transmission? If the LES code is incorrect the distress alert will not be detected by any RCC. The NCS will send a distress alert set incorrect and the LES code alarm will activate. >The NCS will step in and route the Distress alert transmission to an RCC. The NCS will update the LES code in the distress alert set up menu. 12. What is the term which refers to the supply of electrical energy required to supply radio installations on every ship for the purpose of conducting distress and safety radio>communications in the event of failure of the ship's main and emergency sources of electrical power? Ship\'s emergency diesel generator Ship\'s standby generator Emergency power >Reserve Source of energy 13. You have a very loud low frequency hum appearing on your transmission. In what part of the transmitter would you first look for trouble? >The power supply The driver circuit The power amplifier circuit The variable frequency oscillator 14. What is most likely the cause that SART do not indicate standby mode? The SART battery is dead >The SART is on active mode The SART switch ring magnet is displaced. The SART PCB is drifting 15. When the fire onboard is already extinguished, what is the necessary message that you should send? >A cancellation message of the previous alert message. Urgency message that fire on-board is already extinguished. An alert message that fire is already extinguished An advice message to update the alert message. 16. What is your main function if your vessel is the designated On Scene Coordination with respect to Distress communication? Deploy a SART to assist in homing casualties. >You should maintain communication with all Search and Rescue (SAR) facilities. Fixed the position of the casualty and advice all participating SAR facilities. Recover the EPIRB and switch it off so that it stop sending Distress signal. 17. When receiving signals using emission class J3E, what tuning device is adjusted until the voice is clearly audibly heard in the loudspeaker? RF Control >Clarifier Control Squelch Control Volume Control 18. What is a distress communication? In radiotelegraphy SOS sent as a single character and in radio telephony speaking the word "MAYDAY". >All message relative to the immediate assistance required by a ship, aircraft or other vehicle in imminent danger. International recognized communications relating to emergency situations. Health and welfare messages concerning the immediate protection of property and safety of human life. 19. When you received a distress alert at DSC 2187.5 kHz and your ship is capable to provide assistance, how will you acknowledge the received MAYDAY? You should acknowledge at 6312.5 kHz and assist as necessary. You should acknowledge at 407.5 kHz and assist as necessary.  You should acknowledge at 2187.5 kHz and render assistance as necessary. >You should acknowledge at 2182 kHz and render assistance as necessary. 20. What action should you take after sending a false Distress Alert on 2187.5kHz indicating J3E? Reset the DSC controller and no need to send cancellation message. Reset the DSC controller and message to all station on VHF Ch. 16. Switch off the equipment for 30 minutes and it will automatically reset. >Reset the DSC controller and send a cancellation message to all station on 2182Khz. 21. Which channel and mode should you use when initiating a Distress alert transmission such as fire onboard? Channel 6 Radiotelephony Channel 6 DSC Channel 13 Radiotelephony and Channel 16 DSC >Channel 70 DSC 22. How woulod you describe a temperature effect on the specific gravity of lead acid batteries? Higher temperature result in a high specific gravity reading. Lower temperature results in a lower specifi gravity reading. Lower temperature results in a higher specific gravity reading. >Higher temperature results in a lower specific gravity reading. 23. Your vessel is on fire and require immediate assistance, how will you start your VHF>call? PAN PAN (3x) SECURITY (3x) SOS (3x) >MAYDAY (3x) 24. What protection should you wear when performing GMDSS equipment back up power battery maintenance? >You should wear eye protection, gloves and apron. You should wear eye protection and cover all. You should wear cover all and gloves. You should wear face mask and gloves. 25. What must be the characteristics of the Reserve Source of Energy under GMDSS? >It must be independent of the ship's electrical system It must be incorporated into the ship's electrical system It must be independent of the propelling power of the ship It must have power a supplies independent to HF and MF installations at the same time 26. Which is the best protection must be worn when you are carrying out maintenance on batteries?  Glove and eye protector is enough. Gloves and cover all to protect the hand. Eye protection and cover all. >Eye protection gloves and apron. 27. Who normally acknowledge a DSC distress alert message? Any station which heard it. >Coast Station Rescue Coordination Center The first station that received it. 28. What would you do if you notice a transmission problem during transmission? Switch>off the power supply of the equipment and re>start again. Ignore the defect malfunction and continue with transmission. >The transmission should immediately be suspended. Complete the transmission it will automatically stop if trouble persists. 29. You are combating fire at the engine room and the Master order you to send a distress call. Why is it important to transmit MAYDAY or PAN>PAN signals even if not in distress? To give warning to other ship to keep clear of your vessel. To alert the consignee/s that their cargoes may not arrive on time. >It will alert shipping to a possible future distress call. To advice other station that you require assistance. 30. What will you do when a received Distress Alert from a vessel on fire is requesting J3E? >Immediately set continuous watch on the radio telephone frequency that is associated with frequency band on which the Distress alert was received. Immediately set a continuous watch on VHF Ch. 70. Immediately set a continuous watch on the SITOR (NBDP) frequency that is associated with frequency band on which the Distress alert is received. No action is necessary as the DSC control unit will automatically switch to the SITOR (NDBP) follow on frequency. 31. What happens if you speak into the handheld transceiver's microphone when the deviation adjustment is set to high? It may cause interference to other stations on a higher frequency bands. It may cause atmospheric interference in the air around the antenna. It may cause digital interference to computer equipment >It may cause interference to other stations operating nearby. 32. What should the GMDSS Radio Operator consult in the proper procedure to be followed in distress situations under GMDSS? Part 90 of the FCC Rules and Regulations The manufacturer's instruction manual >Part 80, Sub part of the FCC rules and Regulations The IMO recommendation. 33. Which statement is false regarding the maintenance of GMDSS equipment at sea? >The GMDSS maintainer may not be the person designated to have primary responsibility for radio communications during Distress incidents even if licensed as an operator. All at sea maintenance and repairs must be performed by or under the supervision of a person holding a GMDSS Maintainer License. The GMDSS maintainer may be the person responsible for ensuring that the watches are properly maintained. Ship must carry at least one person who qualifies as a GMDSS maintainer for the maintenance and repair of equipment if at sea maintenance option is selected. 34. What should be the information content of GMDSS distress alerts, such as a fire onboard? The distress message contain is automatically program when the distress key is press. The distress message should contain the nature of the distress. The distress message should contain information about flag and port of registry. >The distress alert message should contain the name and position of the distress vessel. 35. What is the approximate lifetime of the marine leads batteries? >4 years 5 years 3 years 2 years 36. What are the characteristics of the Reserve Source of Energy under GMDSS? >Must be independent of the Ship\'s electrical System Must be incorporated into the ship\'s electrical System Supplies independent HF and MF installations at the same time Can be independent of the propelling power of the ship 37. To ensure that all necessary MSI has been received, when should the NAVTEX receiver be switched on? At least hours before sailing time At least 3 hours before sailing time At least 1 hour before sailing time >At least 4 hours before sailing time 38. What is the digital automatic alerting system that you hear on ship VHF, MF, andHF frequency bands with information (position, I.D. of Ship and type of distress) to the operator at CRS or RCC? NAVTEX >Digital Selective Calling Narrow Band Direct Printing Automatic Identification System 39. What is most likely the cause when you triggered SART and no active mode indication? >A faulty PCB Displaced magnet SART is stock in active mode A drift on PCB 40. What personal protective equipment you should use during maintenance of radio equipment batteries? Gloves and cover all to protect the hand. Eye protection and cover all The normal working clothes. >Eye protection gloves and apron 41. If you abandon your ship and boarded a survival craft, which of the following step you should prioritize? Nothing to do as EPIRB and SART activated automatically when remove form securing bracket. Make ready the EPIRB and SART activate when another vessels as in sight. Throw the EPIRB and SART in the water to automatically activate. >Ensure that the EPIRB and SART is activated until help arrived 42. What publications should a GMDSS Operator reference for the correct GMDSS equipment set>up and operation? >The manufacturer's instruction manual. ITU publication Manual Part 90 of the FCC Rules and Regulation NTC regulation Manual 43. Your vessel losses Inmarsat SES operation after a large course change. Which of the following could cause this? >System loses gyro follow>up or a gyro system malfunction Misalignment of the shadow correction filter. Misalignment of the SES antenna and the LES. Shadowing of SES antenna by clouds or other weather formation. 44. In the operation of 2182 kHz radiotelephone system, which of the following indicates a symptom of malfunction that needs to be reported to the Master? >No indication of power output when speaking into the microphone. Much lower noise level observed during daytime operation. When testing alarm on 2182 kHz into an antenna, the distress frequency watch receiver becomes unmuted. Failure to contact a shore station in 600 miles distance during daytime. 45. Which of the following frequencies is "NOT" allocated for alerting in the Global Maritime Distress and Safety System?  406 MHz (EPIRB) 1626.5 kHz>1645.5 kHz (INMARSAT) >415 kHz and 526.5 kHz DSC on 156.525MHz (channel 70) and various MF/HF frequencies 46. What is the system that provides priority access to satellite channel in an emergency situations and alert to the LES personnel? >Inmarsat System Safety Net System Enagnce Group Call System Maritime Safety Information System 47. What is the cause of the LCD brilliance that cannot be raise? The battery voltage is low The fuse of the receiver blow. The battery id dead >The life of the LCD has expired. 48. Onboard a liferaft, which piece of required GMDSS equipment is the primary source of transmitting locating signals? >A SART in transpond mode Survival Craft Transceiver Radio Direction Finder (RDF) An EPIRB transmitting on 406 MHz 49. When your equipment fails, how will you decide on the requirements for parts and repair materials for the said GMDSS equipment? >The recommendation of the manufacturer. The recommendation of PSC inspector By IMO circular "Equipment Spares" The GMDSS maintainer requirements. 50. What is the signal you must transmit to locate your position using your mobile unit? Radio beacon signal Radio direction signal Alerting signal >Homing Signal 51. During transmission your radio signal became distorted what should you do? Use minimum modulation >Cease the transmission Reduce transmitter power Reduce audio amplitude Reduce transmitter power 52. What distress alerts are based on the use of transmission via satellites (from a ship earth station or satellite EPIRB) and terrestrial services (from ship stations and EPIRBs)?  Shore>to>shore distress alert Ship>to>ship distress alert >Ship>to>shore distress alert Shore>to>ship distress alert. 53. There are no signals or static heard in the receiver of the SSB Transceiver, although a loud noise is heard if the volume control is advanced all the way up, which of the following is "NOT" the possible cause? The antenna switch has been transferred to the test position >The frequency is not properly set. The antenna of feed line has been damaged A defective receiver 54. What is usually the first step of GMDSS radio operator to take when initiating a distress priority message via INMARSAT? By pressing the security alert safety system (SASS) button in the Master's Cabin. Edit distress message Access the File Menu >By pressing a distress button or hot key(s) on the equipment 55. What must be the provisions for maintenance of a ship operating in sea area A1? Duplication of equipment >Any one of the following. At sea maintenance Shore maintenance 56. Your vessel is on fire and requires immediate assistance on what frequency you should use to send a distress message? Use only frequencies used by police fire or emergency medical services. >Whatever frequency has the best chance of communicating a distress message. You should send on 2182 khz a designated distress frequency. Use only the frequencies that are within your operating privileged. 57. Under what condition you should relay a DSC Distress alert? When the coast station determined further help is necessary. You can relay anytime if you feel deem necessary. >If the mobile unit in Distress is incapable of sending further distress alert communication. You should never relay a Distress alert, the Coast Station and RCC will do that. 58. What is the distress telegraphy message to be used when your vessel is threatened by a serious imminent danger and is in need of immediate assistance? >SOS TTT MAYDAY PAN>PAN 59. You are about to abandon your ship as GMDSS Radio Operator, what is the first step to take in initiating a distress priority message via Inmarsat? By dialling the correct code on the telephone remote unit, By contacting CES operator and announcing a distress condition is existence. By contacting the CES operator using the radiotelephony distress procedure "Mayday"...etc. >By pressing a "Distress Button or Distress Hot key" on the equipment. 60. How can the satellite signal be immediately remedied by means of a shipboard obstruction? Increase the receiver gain. Raise the transmit power level. Relocate the mast or other obstruction. >Change the ship's course. 61. Your vessel is on fire and you require immediate assistance, how will you initiate your call using the VHF? Press the distress key on the equipment and send your message. PAN>PAN spoken three times followed by your message. SECURITEE spoken three times followed by the nature of your message. >MAYDAY spoken three times followed by the nature of your message. 62. Under GMDSS, at what minimum intervals a compulsory VHF>DSC radio telephone installation must be tested? Monthly >Daily Once a week Weekly 63. You observed that the maximum usable frequency varies during transmission, what most likely causes the effect? The temperature of the ionosphere. The speed of the winds in the upper atmosphere. The type of weather just below the ionosphere. >The amount of radiation received from the sun, mainly ultraviolet. 64. What is usually the first step for a GMDSS Radio Operator to take when initiating a distress priority message, such as fire onboard via INMARSAT? >Pressing a Distress Key on the equipment Contacting the CES operator using the radiotelephone distress procedure Mayday...etc. Dialling the correct code on the telephone remote unit Contacting the CES operator and announcing a distress condition is in existence 65. You are preparing to abandon your ship, what type of signal you must transmit to locate your position using your mobile unit?  Alerting signal Radio Beacon >Homing Signal Radio Direction Signal 66. What frequencies in GMDSS equipment you should use on an "On Scene" communication between vessel in distress and the SAR Aircraft? VHF Ch 70, 4125 kHz, J3E, 5680 kHz, J3E VHF Ch>12, 4125 kHz, JF1B, 5680 khz, J3E VHF Ch>70, 4125 kHz, F1B 5680Khz, J3E >VHF Ch>16, 4125 kHz, J3E, 3023 kHz, J3E 67. The SART is required to have the sufficient battery capacity to operate in the stand>by mode for what period of time? five days six days three days >four days 68. Which of the following statements about maintenance requirement for GMDSS Equipment is FALSE? >If shore based maintenance is employed. maintenance services are not required to be completed or performance confirmed unless the vessel sails to foreign ports. Compulsory vessel's sailing in Sea Areas A3 and A4 must provide two or three maintenance options which are duplication of equipment, shore>based or at sea maintenance capability. If compulsory vessels operating in Sea Area A4 are required to carry at least three licensed GMDSS Radio Operator. Compulsory vessels sailing in Sea Area A1 and A2 must provide any one of the three maintenance options which are duplication of equipment shore>base, or at sea maintenance capability. 69. How do you prevent a powerful signal from "smothering" your receiver while listening to a neighbouring station's transmission? You should adjust the squelch You should adjust the volume. >Off the speaker and use headset. You should lower the power output. 70. What is the term which refers to the supply of electrical energy required to supply radio installations on every ship for the purpose of conducting distress and safety radio communications in the event of failure of the ship's main and emergency sources of electrical power? Emergency power Ship's standby generator Ship's emergency diesel generator >Reserve source of energy 71. What step should you take after abandoning your ship and boarding a survuval craft? Nothing to do as EPIRB and SART is activated automatically when remove from securing bracket Program the SART and EPIRB to transmit the vessel's location and situation. >Ensure that the EPIRB and SART are activated until help arrived. Throw the EPIRB and SART in the water to automatically activate. 72. A fire occurred onboard your ship and you need assistance in sending a DSC message, how will you categorize your message? >Distress Safety Routine Precautions 73. What type of initial external message you should send if it is necessary to communicate about the fire onboard your vessel? Distress message to the MRCC and other ships. Advice message to all ships and MRCC >Alert message to all ships. Urgency message to MRCC and all ships. 74. Which system is most likely to be affected by atmospheric disturbances? INMARSAT Standard>C Safety NET >MF/HF radiotelephony VHF DSC 75. Risk of chemical burns is one of the two hazards associated with lead acid batteries that you should be aware. What is the other hazard that you should give concern in dealing with lead acid? Risk of fire >Risk of explosion Risk of poisoning Risk of suffocation 76. In case of power breakdown, what type of batteries most commonly used on board ships as source of backup power? Lithium battery Nickel>iron (NiFe) battery Nickel>Cadmium (NiCd) battery >Lead Battery 77. Why is it important to transmit a Distress message when you have fire onboard? The distress message is not necessary because your situation is still on uncertainty phase. The distress messages are necessary so that other vessel can approach you and give assistance. The distress message is not necessary if you don’t need immediate assistance. >The distress message is necessary to alert other vessel and authorities. 78. In accordance with the International Convention on Maritime Search and Rescue, who is responsible for promoting the efficient organization of search and rescue service? >Rescue Coordination Center Coordination Surface Search (CSS) On>Scene Commander (OSC) Ship Earth Station (SES) 79. Which of the following unit as per IAMSAR is responsible for promoting the efficient organization of search and rescue? Coordination Surface Search (CSS) >Rescue Coordination Center (RCC) On>Scene Commander (OSC) Ship Earth Station (SES) 80. What is the main reason the radio transmission tend to be useful only for short>distance communication during daylight hours? Because of lack of activity >Because of D region absorption Because of auroral propagation. Because of magnetic flux 81. What information should the message contain in GMDSS alert such as fire onboard? Pressing the distress key on the equipment automatically send the information. The distress alert message should contain the nature of distress alert. The distress alert message includes information about flag and port of registry. >The distress alert message should contain the name and position of the vessel. 82. Which of the following failures must be logged and notified to the Master when using 2182 kHz radiotelephone system? Much higher noise level observed during daytime operation. >When talking to the microphone no power indicator output. When testing alarm to an artificial antenna the distress frequency watch receiver become unmuted. Failure to contact a shore station 600 nautical miles distance during daytime operation. 83. What may form during the chemical process in battery charging? >It may form highly explosive mixture if exposed to sunlight. It may form highly explosive if mixed with water. It may form highly explosive mixture if exposed to circuit. It may form highly explosive mixture if exposed to chemical. 84. You are approaching another vessel and you see that the signal flag " J " is hoisted, what should you do? Proceed on present course and speed since the vessel is requesting a tug. Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate. >Keep well clear of the vessel because she is either on fire and has dangerous cargo on board or she is leaking dangerous cargo. Approach the vessel with caution because she is dragging her anchor. 85. You received a DSC fire alert on 8414.5 kHz. in a Sea Area A3. What should you doif no acknowledgement from coast station within 3 minutes? Acknowledge the distress alert by an appropriate GMDSS equipment. Acknowledge the distress alert by DSC No action to be done just proceed to your destination >Transmit a DSC distress relay alert. 86. Which of the following is defined as back>up power source that provides power tothe radio installations for the purpose of conducting distress and safety communication when the vessel's main and emergency generators failed? >Reserve Source of Energy (RSE) Emergency Back>up Generator (EBG) Reserve Source of Diesel Power (RSDP) Emergency Diesel Generator (EDG) 87. If your ship is on fire, what priority signal will you use in sending your message by FAX? Emergency Safety Urgent >Distress 88. What are the hazards associated with lead acid batteries that you must be aware? Risk in exposing to chemical. >Risk of explosion and corrosion Risk in exposing to circuit. Risk of exposure to poisoning. 89. In a fully charged lead>acid battery, what will be the electrolyte's freezing point? Higher than in a discharged battery, but the specific gravity will be less. The same as in a discharged battery. >Lower than in a discharged battery.  Higher than in a discharged battery. 90. After the fire incident onboard your ship upon power>up, what controls are to be adjusted on an Inmarsat C terminal? >No control to be adjusted The antenna azimuth and elevation control The receiver gain must be adjusted to maximum. The Inmarsat terminal must be set to ocean region. 91. What are the characteristic of the reserve source of energy under GMDSS? Supplies independent HF and MF installations at the same time Must be incorporated into the ship's electrical system Can be independent of the propelling power of the ship >Must be independent of the ship's electrical system 92. What frequency you should use if your vessel is on fire and requiring immediate assistance? Use only the frequencies used by police, fire or emergency medical services Use only the frequencies that are within your operating privileges >Whatever frequency that has the best chance of communicating the distress message. You should send on 2182 kHz as it is a designated distress frequency 93. A GMDSS Radio Operator license holder is prohibited to undertake which of the following servicing or maintenance function? Replacement of consumable items such as paper, ribbons, etc. Reset tripped circuit breakers or replaced defective fuse. Routine battery maintenance if used as part of the GMDSS equipment. >Any adjustment or maintenance that may affect the proper operation of the station. 94. You abandon your ship and boarded a survival craft. What should you do with your EPIRB and SART? >Ensure that the EPIRB and SART is activated until help arrived. Nothing to do EPIRB and SART is activated automatically when removed from the securing bracket. Make ready the EPIRB and SART activate when another vessel is in sight. Throw the EPIRB and SART in the water so that it will automatically activate. 95. What piece of required GMDSS equipment is the primary source of transmitting locating signals in the event of equipment failure? SART RDF Handheld Transceiver >EPIRB 96. What is the cause of an individual battery cell to reverse polarity?  When a charging wire connected in a wrong way. (The negative to the positive and the positive to the negative). Insufficient charging which does not bring all of the cells up to full charge. High discharge rate without allowing for a cool down period. >When discharging the battery string if a cell becomes weaker than the remaining cells, the discharge current will effectively charge the weaker cell in reverse polarity. 97. Why must the SART be mounted as high as possible in the survival craft? Because it increases the power So that it will not get wet >To increase the range To be seen better on the radar 98. Which of the following maintenance function is not a responsibility of the GMDSS Radio Operator? Perform schedule testing of the battery charge condition. Visual inspection of equipment including antenna and associated components. >Aligning the power output stage for maximum power. Perform on the air verification checks. 99. During abandon ship, which of the following types of EPIRBs is most likely to be used to transmit a distress alert signal? Class A EPIRBs 121.5/124.3 MHz EPIRBs >406 MHz EPIRBs S>band EPIRBs 100. What is the substance produced during the battery charging process which requires battery charging rooms to be well ventilated? Highly poisonous gas. >Explosive gases. Corrosive gases. Highly combustible oxygen. 101. Your vessel suffered a fire and it is out of control. You were ordered by the Master to make a distress call. How will you initiate a call by radiotelephony? PAN PAN (3x) SOS (3x) SECURITY (3x) >MAYDAY (3x) 102. What is the NAVTEX message which ensures that the system is functioning normally? B G A >Z 103. Your MF>HF whip antenna breaks off and is carried away by storm. What would youdo to regain operation on MF>HF frequencies? Rig a wire antenna 10>15 feet long from the antenna tuner to the highest vertical support. >Rig a wire antenna approximately 35>75 feet long per the equipment instruction manual. Rig a long wire antenna at least 100 feet long. Rig a horizontal center fed dipole antenna 40 feet long. 104. Your antenna tuner becomes totally inoperative. What would you do to obtain operation on 2 HF bands? To bypass the antenna tuner and shorten the whip to 15 ft. >To bypass the antenna tuner. Use a straight whip or wire antenna approximately 30 ft long. It is impossible to obtain operation on 2 different HF bands, without an operating antenna tuner. Without an operating antenna tuner, transmission is impossible. 105. If your antenna tuner becomes totally inoperative, what would you do to obtain operation on 2 HF Bands? It is impossible to obtain operation on 2 different HF bands without an operating antenna. By pass the antenna tuner and shorten the whip to about 15 feet. >By pass the antenna tuner. Use a strait whip or wire antenna approximately 30 feet long. Without operating antenna tuner, transmission is not possible. 106. Your ship recieved a distress relay on DSC frequency 2187.5 kHz that a vessel is on fire. On what frequency by radio telephony would you acknowledge? 8290.0 kHz 4207.5 kHz 6312.0 kHz >2182.0 khz 107. At present the MF/HF transmitter often has an automatic aerial turning unit. Should this fail: the transmitter will automatically keep operating Off the MF and HF distress frequencies the transmitter will automatically keep operating on the MF and HF distress frequencies it is not possible to put the turning unit in a fixed position, so the MF distress frequencies can still be used >its always possible to put the turning unit in a fixed position, so the MF distress frequencies can still be used 108. What is the best way to minimize or prevent interference to other stations?  By changing frequency when notified that your radio communication interfer. >Determine the frequency is not use by monitoring the frequency before transmitting. By using onidirectional antenna pointed away from other station. By reducing power to a level that will not affect other on frequency communication. 109. What happen if your vessel is on fire and you begin a DSC distress transmissionbut do not include a message? The transmission is aborted and alarm sound will indicates that will advice you to provide information. The receiving station will poll the DSC unit of your vessel to download the necessary information. >The transmissioin will be made "default", information provided automatically.. The transmission will not be initiated and "ERROR" will indicate on the display read out. 110. On a survival craft, you hear the SART's Audible tone, what does it mean? It informs the survivors when the the SART swithces to the "standby mode". It is a sign when the battery charge condition is weak. >It is informing you that asistance may be nearby. It informs the survivors that a near by vesselis signalling on DSC. 111. For distress call such as fire onboard, how will you initiate a call on VHF? Initiate a call on VHF Channel 69 Initiate a call on VHF Channel 13 >Initiate a call on VHF Channel 16 Initiate a call on VHF Channel 70 112. You are on the vicnity of the search area of an abandon ship. How can you detect that a SART is transmitting in the immediate vicinity? The SART signal appears as a target which comes and goes in the effects of heavy swells. >The SART's blips on the PPI will begin arcing and eventually become concentric circles. The SART can provide an approximate position location within a two nautical per IMO Standard. A unique two tone signal heard upon the automatic un>muting of the 2182 khz receiver 113. During the charging process what does it produce that requires battery chargingroom to be well ventilated? >Explosive gasses Corrosive gasses Highly combustible Highly poisonous gas 114. Which statement is correct regarding a method that a vessel experiencing problems with shadowing of the Inmarsat B SES antenna by an onboard obstruction could use to attemp reliable communication? Change to other satellite region. Switch from telex to voice mode with require lower signal strenght.for proper operation >Change course to make the communication Change the Coast Station ID programming. 115. What's the unit of measurement used to express the inductive reactance of a circuit? Farads Henrys Mhos >Ohms 116. Which of the following maintenance function may not be performed by the holder of a GMDSS Operator License? >Any adjustment of maintenance that may affect the proper operation of the station. Reset tripped circuit breakers or replace defective fuses. Routine battery maintenance if used as part of GMDSS station. Replacement of consumable items such as paper, ribbons, etc. 117. What is the minimum transmitter power level required for a medium fequency transmitter aboard a compulsary fitted vessel? The power atleast 25 watts delivered into 50 ohmns when operated with aprimary voltage of 13.6 volts DC. >The power needed to communicate with the nearest public coast station operating on 2182 khz The power atleast 60 watts to communicate with the nearest public station operating a single sideband,, suppressed carrier power. The power atleast 100 watts single side band suppressed carrier power. 118. Which statements is correct regarding the requirement for emergency and reservepower in GMDSS radio installations? An emergency power source for radio communications is not required if a vessel has proper reserve power (batteries) A reserve power source is not required for radio communications Only one of the above is required if a vessel is equipped with a second 406 EPIRB as a backup means of sending a distress alert >All newly constructed ships under GMDSS must have both emergency and reserve power Sources for radio communications 119. What is the most likely cause of SART Red LED not turning on? Drift on PCB Stock in active mode SART in active mode >Faulty PCB 120. How would you measure the current drawn from a power supply by a receiver? The current meter should be placed in parallel with one of the receiver power leads. The current meter should be placed in series with both receiver power leads.  The current should be placed in parallel series with both receiver power supply leads. >The current meter should be placed in series with one of the receiver power leads. 121. How often would you carry out a full specific gravity check of a lead acid battery? Weekly Daily >Monthly Annually 122. What is the most likely reason for a message being erase from NAVTEX memory? The lock message is set on. The mesage are older than number 150. >The 66 hours passed from the moment received. The unlock message is not set on. 123. You are onboard a 500GT, how many SART must be intalled to your ship? None >Two One As required by administrator 124. Which statement concerning GMDSS distress alerts such as fire onboard is TRUE? The information contained in a a message that alerts other vessels and may include additional information on existing navigational hazards in port. The information in distress alert is advising vessels in the vicinity of a distress situation to leave the area without notifying the RCC that is overseeing the operation. >The information contained in a distress alert includes the name and 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. The information in distress alerts that is used to alert other vessels, including those in port, of existing weather warnings. 125. What occurs in ARQ when the information sending station (ISS) gets a signal indicating that the parity check failed? The next block will be sent The acknowledge light will illuminate The data link will break >The last block will be resent 126. If your vessel is on fire and requiring immediate assistance, what is the two letters signal you should dispaly? NC AL >CD PM 127. If your vessel is on fire and requiring immediate assistance, what frequency you should use? >What ever frequency that has the best chance of communicating the distress message Use only the frequencies that are within your operating privileges. Use only the frequencies used by police, fire or emergency medical services You should send on 2182 kHz as it is a designated distress frequency 128. Which of the following as per IAMSAR is responsible for promoting the efficientorganizing Search and Rescue Service? On>Scene Commander (OCS) Coordination Surface Search (CSS) Ship Earth Station (SES) >Rescue Coordination Center (RCC) 129. What are the conditions, under GMDSS, whereby a ship is NOT allowed to depart from any port? The vessel is carrying more than the required number of qualified GMDSS radio operators The vessel has a temporary waiver of its radio license and safety certificate >The vessel is not capable of performing all required distress and safety functions The vessel is not carrying a GMDSS radio maintainer, but has provided for shore side maintenance 130. What type of signal you must transmit to locate your position using your mobileunit? >Homing Signal Radio beacon signal Alerting signal Radio direction signal 131. Which of the following action should be taken once the vessel is berthed and will not leave port again for several week? The Inmarsat C system can be powered down without taking additional steps once the GMDSS operator has ensured that all incoming safety net messages have been received and stored. >The GMDSS operator may log off the Inmarsat C system and turn the power off, unless the vessel decides to leave the unit on during the port stay. The GMDSS operator must notify the NCS that the vessel will be offline and wait for the NCS to acknowledge with a confirmation number that must be logged. The GMDSS operator must transmit an all ship alert to notify vessel within the satellite footprint that the vessel will be offline. 132. What is the effect of the temperature to the specific gravity of lead acid batteries? A lower temperature results in lower specific gravity reading. >A higher temperature results in a lower specific gravity reading. The temperature has no effect on specific gravity reading. A higher temperature results in a higher specific gravity. 133. In using a GMDSS communication equipment, what is the most common practice thata radio operator must learn? Silence the alarm to prevent noise >Monitor the channel before transmitting Send test transmission to another ship station using 2187.5 KHZ Transmit without identification 134. When listening to the transmission of a very close station, what step must be observed to prevent the strong signal from "smothering" the receiver? Lower power output >Switch off speaker and use headset Adjust volume control Use a headset and adjust the squelch. 135. You noticed interference on one or two station while watching TV onboard, what is most likely cause of interference? >Harmonic transmission from your transmitter To much low pass filtering on the transmitter De>ionization of the ionosphere near your area. The TV receiver front>end overboard 136. What would be an indication of a malfunction on a GMDSS equipment station with a 24 VDC battery system? After testing the battery power a voltmeter reading of 30 volts for brief period followed by 26 volt reading. After testing the station battery power the ammeter reading indicates a high rate of charge that then declines. >A constant 30 volt reading on the GMDSS console. An indication on a meter or on the terminal of low receiver signal strenght. 137. What is the usual effect of the ionosphere storms? It prevent communication by groundwave. It produce extreme weather changes. It increase the maximum usable frequency >It cause a fade>out of skywaves signal 138. A storm hits your ship, causing your MF>HF whip antenna to shatter. What would you do if you needed to reclaim MF>HF frequencies? Rig a horizontal dipole antenna 40 feet long. >Rig a wire antenna approximately 35>75 feet long per the equipment instruction manual. Rig a wire antenna 10>15 ft long from the antenna tuner to the highest vertical support. Rig a long wire antenna at least 200 feet long. 139. What is your reponsibility under a GMDSs equip vessel in a distress situation? If your ship is over 300GT you can be required to render assistance if such assistance will not effect your schedule. >In distress situation you must be able to perform communications function that are essential for the safety of your ship itself and of other ship. If outside of sevice areas you may be required to render assistance in Distress situation. If you are close to a vessel in distress regardless of your vessel size you much render assistance. 140. What is the signal you must transmit to locate you position using your mobil unit on bard a survival craft? >Homing signal Radio direction signal Radio beacon signal Alerting signal 141. In which Sea Area the radio coverage of VHF coast stations in which continuous alerting by Digital Selective Calling (DSC) is available? >Sea Area A1 Sea Area A2 In all the bsea area is available. Sea Area A3 142. In proper setting up and safe operation of radio equipment, what publication you should consult? FCC rules and regulation ITU Manual Code of Federal Regulations. >The manufacturer's instruction manual. 143. When your vessel is on fire, what is the rapid and successful reporting of a distress incident to a unit which can be provide of coordinate assistance? Safety alerting Urgency alerting Public Alerting >Distress alerting 144. When you are listening to the transmission of a very close station , what step you must observe to prevent the strong signal from smothering the receiver? Adjust squelch Lower the power output >Switch off the speaker and use headset. Adjust volume control 145. Why is it necessary to send distress alert when you have fire onboard? The distress alert message is not necesasary if you do not need immediate assistance. The distress alert message is necessary so that other vessel can approach you and give assistance. The distress alert message is not necessary because your situation is still on uncertainty phase. >The distress alert message is necessary to alert other vessel and authorities. 146. Which of the following indicate proper operation of a SSB transmitter rated at 60 watts PEP output in J3E mode? In SSB (J3E) mode, speaking into the microphone causes no power meter fluctuate on above the 60 watts reading. >In SSB (J3E) voice mode, with the transmitter keyed but without speaking into the microphone no power output is indicated. A steady indication of transmitter energy on RF power meter with no fluctuations when speaking into the microphone. In communication the power meter can be seen fluctuating regularly from zero to the 60 watts relative output reading. 147. What is the term which refers to the supply of electrical energy required to supply radio installations on every ship for the purpose of conducting distress and safety radio Communications in the event of failure of the ship's main and emergency sources of electrical power? Emergency power >Reserve source of energy Ship\'s emergency diesel generator Ship\'s standby generator 148. While underway, how frequently is the DSC controller required to be tested? Once a month >Once a day Once a week Twice a week 149. What should you do if you test radio equipment and it turns out to be defective? Switch>off the equipment and re>start and test again. Stop testing and try testing next time on your duty. >The Master must be notified as soon as possible Consult the equipment manual and continue testing. 150. In case of power breakdown a reserve power source must be able to power all radio equipment plus as emergency light system for how long? 4 hours 7 hours >6 hours 5 hours