question_data = `{ "title": " Test 6 GOC General" , "buttonText": "Klicka här för att rätta", "questions": [{ "number": "1", "question": "On a marine radio, the function of the squelch control is to: ", "correct": "c", "answer": [ { "label": "a", "text": "Increase the volume of the messages received " }, { "label": "b", "text": "Increase the clarity of weak signals " }, { "label": "c", "text": "Eliminate background interference" }, { "label": "d", "text": "Stop other stations cutting into a conversation " }] }, { "number": "2", "question": "Your receiver is working normally, but when you press the transmit button everything ‘dies’ including dial lights etc. Which of the following is the most likely cause ? ", "correct": "c", "answer": [ { "label": "a", "text": "Blown fuse " }, { "label": "b", "text": " Faulty aerial (antenna) " }, { "label": "c", "text": " Battery almost discharged " }, { "label": "d", "text": "Broken power leads " }] }, { "number": "3", "question": "If the battery plates are not covered with electrolyte (liquid), which of the following would you add? ", "correct": "c", "answer": [ { "label": "a", "text": " Salt water " }, { "label": "b", "text": "Sulphuric acid " }, { "label": "c", "text": " Distilled water" }, { "label": "d", "text": "Acid and water mixed " }] }, { "number": "4", "question": " What is the function of the Antenna Tuning Unit (ATU) on a MF/HF set ? ", "correct": "a", "answer": [ { "label": "a", "text": " Adjusts the ‘electrical’ length of the antenna to achieve maximum power output on different frequencies " }, { "label": "b", "text": " Improved the quality and clarity of incoming signals " }, { "label": "c", "text": "Minimises the effect of loud static on received signals " }, { "label": "d", "text": "Adjusts the ‘physical’ length of the antenna to achieve maximum power output on different frequencies " }] }, { "number": "5", "question": "Two 12 volt batteries connected in parallel will produce which of the following voltages: ", "correct": "a", "answer": [ { "label": "a", "text": "12 volts " }, { "label": "b", "text": "24 volts " }, { "label": "c", "text": "6 volts " }, { "label": "d", "text": "18 volts " }] }, { "number": "6", "question": " A EPIRB can only be tested: ", "correct": "d", "answer": [ { "label": "a", "text": "With the permission of local police" }, { "label": "b", "text": " Inside the hull of your vessel " }, { "label": "c", "text": "With the permission of the nearest coast or limited coast station " }, { "label": "d", "text": "By activating the test switch " }] }, { "number": "7", "question": " Fine tuning of incoming signals on SSB can be achieved by adjusting: ", "correct": "c", "answer": [ { "label": "a", "text": " The squelch control " }, { "label": "b", "text": "The volume control" }, { "label": "c", "text": "The clarifier control " }, { "label": "d", "text": " The RF gain control " }] }, { "number": "8", "question": " Which of the following is the correct form of distress message: ", "correct": "c", "answer": [ { "label": "a", "text": " Mayday Lisa SLUD – on fire - 10 miles nortwest Vinga Light – abandoning ship – require immediate assistance " }, { "label": "b", "text": "Lisa SLUD – Mayday - abandoning ship – require immediate " }, { "label": "c", "text": " Mayday Lisa SLUD - 10 miles northwest Vinga Light – on fire - abandoning ship – require immediate assistance " }, { "label": "d", "text": "10 miles northeast Lisa SLUD Light – on fire - abandoning ship – require immediate assistance - Mayday Lisa SLUD " }] }, { "number": "9", "question": "Which of the following is the correct expression for acknowledging a radiotelephone distress message: ", "correct": "d", "answer": [ { "label": "a", "text": "Mayday received " }, { "label": "b", "text": " Romeo your Mayday " }, { "label": "c", "text": " Mayday Romeo " }, { "label": "d", "text": "Received Mayday " }] }, { "number": "10", "question": "In radiotelephony what priority signal may precede a ‘Man Overboard’ ", "correct": "a", "answer": [ { "label": "a", "text": " The distress signal 'Mayday' " }, { "label": "b", "text": " The urgency signal 'Pan Pan' " }, { "label": "c", "text": "The safety signal 'Security' " }, { "label": "d", "text": " None of the above, it would be a general call to all stations " }] }, { "number": "11", "question": " A DSC Distress alert may only be sent on the authority of: ", "correct": "a", "answer": [ { "label": "a", "text": " The Master or Skipper " }, { "label": "b", "text": " Any crew member with a valid radio operators certificate " }, { "label": "c", "text": " The owner of the vessel " }, { "label": "d", "text": "The dedicated radio operator " }] }, { "number": "12", "question": "The word SECURITE repeated three times indicates: ", "correct": "b", "answer": [ { "label": "a", "text": "Your boat has been holed and is taking water fast and you require immediate assistance " }, { "label": "b", "text": " The station about to transmit the message had information concerning the safety of navigation or is giving an important meteorological warning " }, { "label": "c", "text": "The station transmitting is about to pass a message to another boat concerning an injured person " }, { "label": "d", "text": " You wish to use the radio telegram service operated by Stockhlom Radio " }] }, { "number": "13", "question": "You receive a distress alert by DSC on the 2 MHz frequency, what do you do next? ", "correct": "d", "answer": [ { "label": "a", "text": "Immediately acknowledge the alert by DSC " }, { "label": "b", "text": " Standby on VHF Channel 16 " }, { "label": "c", "text": " Scan all radiotelephony distress frequencies" }, { "label": "d", "text": " Standby on 2182 kHz" }] }, { "number": "14", "question": " Which of the following frequency bands would most likely provide reliable communications between two stations that are 80 M apart? ", "correct": "c", "answer": [ { "label": "a", "text": "The High Frequency (HF) band. " }, { "label": "b", "text": " The Very High Frequency (VHF) band " }, { "label": "c", "text": "The Medium Frequency (MF) band " }, { "label": "d", "text": "The Low Frequency (LF) band " }] }, { "number": "15", "question": " What statement best describes demodulation? ", "correct": "b", "answer": [ { "label": "a", "text": " Detuning the receiver to remove interfering signals. " }, { "label": "b", "text": " Extracting intelligence from the radio carrier signal. " }, { "label": "c", "text": "Separating the TELEX signals from the voice signals. " }, { "label": "d", "text": "Removing atmospheric noise from the signal. " }] }, { "number": "16", "question": "Which statement best describes amplitude modulation? ", "correct": "d", "answer": [ { "label": "a", "text": " The frequency is varied in synchronization with the modulating signal. " }, { "label": "b", "text": " The character data from the terminal is changed to audio tones. " }, { "label": "c", "text": " The amplitude of the carrier is changed but there is still only a single frequency being transmitted " }, { "label": "d", "text": "The amplitudes in the sideband(s) changes but the radio frequency remains constant " }] }, { "number": "17", "question": " What is the emission designation for MF-HF voice signals? ", "correct": "c", "answer": [ { "label": "a", "text": " F1B " }, { "label": "b", "text": " J2B " }, { "label": "c", "text": " J3E " }, { "label": "d", "text": " F3E " }] }, { "number": "18", "question": "A vertical (whip) antenna has a radiation pattern best described by? ", "correct": "b", "answer": [ { "label": "a", "text": " A figure eight " }, { "label": "b", "text": " A circle " }, { "label": "c", "text": " A cardioid " }, { "label": "d", "text": " An ellipse " }] }, { "number": "19", "question": " Which statement is false regarding the GMDSS requirement for ship sources of energy? ", "correct": "b", "answer": [ { "label": "a", "text": " At all times while the vessel is at sea, a sufficient supply of electrical energy to operate the radio installations and charge any batteries which may be part of the reserve source of energy is required " }, { "label": "b", "text": " The reserve sources of energy need to supply independent MF and The reserve sources of energy need to supply independent MF and HF radio installations at the same time." }, { "label": "c", "text": " An uninterruptible power supply or other means of ensuring a continuous supply of electrical power to all GMDSS equipment that could be affected by normal variations and interruptions of ship's power is required " }, { "label": "d", "text": " If a vessel's position is constantly required for the proper performance of a GMDSS station, provisions must be made to ensure position information is uninterrupted if the ship's source of main or emergency energy fails. " }] }, { "number": "20", "question": "Under GMDSS, a compulsory VHF-DSC radiotelephone installation must be tested at what minimum intervals at sea? ", "correct": "d", "answer": [ { "label": "a", "text": " Monthly " }, { "label": "b", "text": " Annually, by a representative of the Swedish Maritime Administration " }, { "label": "c", "text": "At the annual SOLAS inspection " }, { "label": "d", "text": "Daily " }] }] }`;