Industrial Equipment 3mfa 70

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1. Which of the following factors that will affect the speed of recovery

Explanation

All of the above factors will affect the speed of recovery. Recovery technique refers to the method or process used to recover something, such as a person or an object. The choice of recovery technique can greatly impact the speed of the recovery. Wind direction and sea state can also have a significant impact on the speed of recovery, as adverse weather conditions can make it more difficult and dangerous to carry out recovery operations. Visibility level is another important factor, as poor visibility can hinder the effectiveness and efficiency of recovery efforts. Therefore, all of these factors play a role in determining the speed of recovery.

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Industrial Equipment 3mfa 70 - Quiz

The 'Industrial Equipment 3mfa 70' quiz assesses knowledge on SAR operations, focusing on equipment and protocols like GPS, ELTs, and EPIRBs. It's designed for learners to understand the technical and regulatory aspects of maritime and aerial rescue operations.

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2. Ship emergency at sea that may require MEDICO and MEDEVAC

Explanation

This answer suggests that the ship emergency at sea may require MEDICO (medical assistance) and MEDEVAC (medical evacuation). This implies that the emergency situation involves a medical issue or injury on board the ship that requires immediate attention and potentially evacuation for further medical treatment.

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3. A device that is used to transmit a signal to alert SAR authorities and allows rescue facilities to home in the distress vessel

Explanation

An EPIRB (Emergency Position Indicating Radio Beacon) is a device that is used to transmit a signal to alert SAR (Search and Rescue) authorities and allows rescue facilities to home in on the distress vessel. It is specifically designed for maritime use and is activated in emergency situations to help locate and rescue individuals in distress at sea.

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4. What do you think why generally ship could not establish a direct contact with an aircraft

Explanation

Ships and aircraft use different frequencies for communication, which is why they generally cannot establish direct contact with each other. Ships typically use very high frequency (VHF) radios, while aircraft use very high frequency omnidirectional range (VOR) or instrument landing system (ILS) frequencies. These different frequencies are specifically assigned for each type of vehicle, ensuring efficient and clear communication within their respective domains.

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5. It is abnormal lowering of internal body temperature from exposure to cold air, wind or water

Explanation

Hypothermia is the correct answer because it is the abnormal lowering of internal body temperature from exposure to cold air, wind, or water. This condition occurs when the body loses heat faster than it can produce it, leading to symptoms such as shivering, confusion, slowed heart rate, and eventually, unconsciousness. Hypothermia can be life-threatening if not treated promptly.

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6. It is a radio procedural word that means silence is lifted and is used to signify the end of the emergency and resumption of normal traffic

Explanation

"Silence fini" is a radio procedural word that is used to indicate the end of silence and the resumption of normal communication. In emergency situations, radio operators may use "silence fini" to inform others that the emergency is over and that regular communication can resume. This phrase is commonly used in maritime and aviation contexts to ensure clear and efficient communication.

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7. During pirates on board, the crew is usually ordered not to

Explanation

During pirate attacks, the crew is usually ordered not to fight against them. This is because engaging in a physical confrontation can escalate the situation and put the crew members at a higher risk of harm or even death. Instead, the crew is often advised to follow specific protocols and procedures to ensure the safety of everyone on board, such as locking themselves in secure areas, activating distress signals, and cooperating with the pirates to minimize any potential harm.

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8. These are ship emergencies at sea, except

Explanation

The given options list various ship emergencies at sea, such as hull damages, medical emergencies, grounding, and low on fuel. However, the correct answer is "low on fuel." This means that running out of fuel or having insufficient fuel is not considered a ship emergency at sea.

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9. When is the best time to cancel distress message

Explanation

The best time to cancel a distress message is when the distress craft has been recovered. This means that the situation that prompted the distress message has been resolved and there is no longer a need for assistance. Cancelling the distress message at this point ensures that resources are not wasted and that emergency services can focus on other ongoing emergencies.

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10. It is also known as anderson turn which is the fastest recovery method

Explanation

The correct answer is "single turn." This term refers to a maneuver known as the Anderson turn or the fastest recovery method.

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11. Ship emergency at sea that requires to lessen the draught of the vessel

Explanation

Grounding refers to the situation where a ship runs aground or becomes stranded on the seabed or a shoal. In this scenario, the ship's emergency at sea would require the vessel to reduce its draught, which means it needs to decrease the depth of its submerged part in order to free itself from the grounding. This could involve various actions such as jettisoning cargo or ballast, or waiting for the tide to rise. Therefore, grounding is the most suitable option among the given choices.

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12. What is the emergency signal that has the priority over other communication

Explanation

A distress signal is the emergency signal that has the priority over other communication. It is used to indicate that a person or a vessel is in immediate danger and requires immediate assistance. Distress signals are recognized internationally and are given the highest priority by search and rescue authorities. They are meant to attract attention and alert others to the emergency situation, ensuring prompt and effective response. Safety and urgency signals may also indicate a need for assistance, but a distress signal specifically indicates a life-threatening situation.

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13. Operates only within INMARSAT coverage area, generally between 70 degrees latitude north or south

Explanation

The correct answer is INMARSAT-E EPIRB. This type of EPIRB operates only within the INMARSAT coverage area, which is generally between 70 degrees latitude north or south. This means that the INMARSAT-E EPIRB can only be used in specific regions where the INMARSAT satellite network provides coverage.

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14. The 2182 khz in NBDP MF is a radio distress frequency for 

Explanation

The 2182 kHz frequency in NBDP MF is designated as a radio distress frequency for radiotelephony. Radiotelephony refers to the transmission of voice communications using radio waves. This frequency is used for distress calls and emergency communications in maritime and aviation industries.

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15. Notification by any means that a distress situation exists and assitance is needed

Explanation

A distress alert refers to a notification sent through any means to indicate that a distress situation exists and assistance is required. This alert is crucial in emergency situations where immediate help is needed. It serves as a call for help and enables coordination and response from relevant authorities or individuals to provide the necessary assistance.

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16. Satellite system that calculates position information for EPIRB, ELT and PLB

Explanation

The correct answer is cospas-sarsat. Cospas-Sarsat is a satellite system that is responsible for calculating position information for Emergency Position Indicating Radio Beacons (EPIRB), Emergency Locator Transmitters (ELT), and Personal Locator Beacons (PLB). It is an international cooperative effort between several countries and organizations to provide distress alerting and search and rescue services worldwide. Inmarsat-E, Inmarsat-A, and Inmarsat-B are different satellite systems that are not specifically designed for calculating position information for these emergency devices.

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17. The best known medical advisory service is

Explanation

The correct answer is "medical advisory radio center." This is the best-known medical advisory service because it provides radio-based medical advice and guidance. It is likely that this service has gained recognition and popularity for its expertise in providing medical advice through radio communication.

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18. In what situation that the civil vessels and aircraft may need to communicate with each other

Explanation

Civil vessels and aircraft may need to communicate with each other in both emergency situations and when communicating with SAR (Search and Rescue) facilities. In emergency situations, such as accidents or distress calls, it is crucial for civil vessels and aircraft to communicate with each other to coordinate rescue efforts and ensure the safety of those involved. Additionally, they may need to communicate with SAR facilities to provide information about their location, situation, and any assistance required. Therefore, both options a and c are correct as they represent different scenarios where communication between civil vessels and aircraft is necessary.

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19. In what situation, when the person overboard is noticed from the bridge and action is taken immediately

Explanation

In any situation where a person is noticed to be overboard from the bridge, immediate action should be taken. This means that as soon as the person is noticed missing, appropriate measures should be taken to locate and rescue them. Delayed action would be ineffective and could result in serious harm or even death for the person overboard. Therefore, the correct answer is "all of the above" because in any situation, whether it is a person missing in action, immediate action should be taken to ensure their safety.

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20. The minimum operating time of a maritime EPIRB as required by IMO is

Explanation

The minimum operating time of a maritime EPIRB as required by IMO is 48 hours. This means that the EPIRB is designed to transmit a distress signal for a minimum of 48 hours in order to increase the chances of being detected and rescued in case of an emergency at sea. This longer operating time allows for a wider search window and ensures that the distress signal can be received by search and rescue authorities for a sufficient duration.

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21. Which of the following radio beacon is used by aircraft

Explanation

EPIRB stands for Emergency Position Indicating Radio Beacon, which is a radio beacon specifically used by aircraft. It is designed to transmit distress signals in case of an emergency, such as a crash or forced landing. EPIRBs are equipped with GPS technology to provide accurate location information, allowing search and rescue teams to quickly locate and assist the aircraft in distress.

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22. A vessel in distress message must contain the following, except

Explanation

A vessel in distress message must contain the time of abandon ship, position, and identification of the vessel. The number of message sent is not a necessary piece of information to include in a distress message.

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23. Distress alert from aircraft is normally relayed to vessel in the vicinity by

Explanation

When an aircraft sends a distress alert, it is usually relayed to a vessel in the vicinity by the RCC (Rescue Coordination Center). The RCC is responsible for coordinating and managing search and rescue operations. They have the necessary resources and expertise to respond to distress alerts and coordinate the rescue efforts. The RCC will communicate with the vessel in the vicinity to provide them with information about the distress situation and coordinate any necessary assistance or rescue operations.

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24. What would you do if an EPIRB cannot be taken into survival craft during abandoning ship

Explanation

If an EPIRB (Emergency Position Indicating Radio Beacon) cannot be taken into the survival craft during abandoning ship, the correct action would be to let it float free and activate automatically. This is because EPIRBs are designed to automatically activate and transmit distress signals when they come into contact with water. By allowing it to float freely, it increases the chances of the EPIRB being detected and providing the necessary assistance in a maritime emergency.

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25. Which of the following is not in flight emergency

Explanation

Grounding is not considered an in-flight emergency because it refers to the act of keeping an aircraft on the ground and not allowing it to take off or continue its flight. In-flight emergencies typically refer to unexpected situations or events that occur during a flight, such as mechanical difficulties, forced landings, or being low on fuel. Grounding, on the other hand, is a deliberate decision made by the airline or authorities to keep the aircraft on the ground for various reasons, such as maintenance, safety concerns, or regulatory issues.

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26. MEDICO messages are usually addressed to

Explanation

MEDICO messages are usually addressed to RCC (Rescue Coordination Center). RCC is responsible for coordinating and managing search and rescue operations. MEDICO messages are used in maritime emergencies to request assistance and provide relevant information about the situation. RCC is the appropriate authority to receive and respond to these messages, ensuring that the necessary resources and assistance are provided in a timely manner.

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27. On what frequency that ELT's and EPIRB provide a homing signal

Explanation

ELT's (Emergency Locator Transmitters) and EPIRB's (Emergency Position Indicating Radio Beacons) provide a homing signal on a frequency of 121.5 MHz. This frequency is internationally recognized as the distress frequency for aviation and maritime emergencies. It is monitored by search and rescue organizations worldwide, making it the standard frequency for transmitting distress signals and aiding in locating and rescuing individuals in distress.

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28. Indicates end of transmission when no reply is expected or required

Explanation

The term "out" is used in radio communication to indicate the end of transmission when no reply is expected or required. It is a way for the person speaking to signal that they have finished speaking and are no longer expecting a response. This helps to ensure clear and efficient communication, especially in situations where multiple people may be using the same frequency or channel.

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29. Emergency signal that has priority over all other signal

Explanation

The correct answer is DISTRESS. In maritime communication, distress is an emergency signal that has priority over all other signals. It is used to indicate that a vessel or person is in immediate danger and requires immediate assistance. When a distress signal is sent, all nearby vessels and authorities are obligated to respond and provide assistance.

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30. Which of the following is not an international distress frequency

Explanation

The frequencies 121.5 MHz, 156.8 MHz, and VHF channel 16 are all internationally recognized distress frequencies used for emergency communication. However, 2188 kHz is not an international distress frequency.

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31. What standard method of recovery that saves time and covers less distance

Explanation

The correct answer is the scharnow turn. The scharnow turn is a standard method of recovery that saves time and covers less distance compared to other methods such as the anderson turn and the 270 maneuver. It involves a 180-degree turn followed by a 90-degree turn in the opposite direction, allowing the vehicle to quickly change direction and continue on its original path. This maneuver is commonly used in maritime navigation to avoid obstacles or hazards while minimizing the distance traveled.

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32. It is spoken just before the numbers are given in a message

Explanation

The correct answer is "figures" because it is spoken just before the numbers are given in a message. This suggests that the speaker is referring to numerical values or statistics, which are typically represented using figures or digits. The other options, such as verb, subject, and alphabet, do not directly relate to numbers or numerical data.

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33. What kind of vessels is especially equipped to use 2182 khz

Explanation

A fishing vessel is especially equipped to use 2182 kHz. This frequency is commonly used for distress and safety communications at sea. Fishing vessels need to be equipped with this frequency to ensure that they can communicate in case of emergencies or distress situations while out at sea.

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34. Aircraft ditching into a swell should touch down the surface just after passage of a

Explanation

When an aircraft is ditching into a swell, it should touch down on the surface just after the passage of a crest. A swell refers to a series of long, rolling waves in the ocean. The crest is the highest point of a wave, while the trough is the lowest point. By touching down just after the crest, the aircraft can minimize the impact and avoid hitting the trough, which could cause the aircraft to submerge or become unstable.

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35. A device fitted on the installation of liferaft and EPIRB on board that will allow automatic release when the vessel sinks

Explanation

A hydrostatic release system is a device fitted on the installation of a liferaft and EPIRB (Emergency Position Indicating Radio Beacon) on board a vessel. It is designed to automatically release the liferaft and EPIRB when the vessel sinks. The system operates based on water pressure, releasing the equipment at a certain depth to ensure that it is deployed only when submerged in water. This allows for the timely and automatic release of the liferaft and EPIRB in case of an emergency, increasing the chances of survival for the crew members.

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36. It indicates that a mobile craft is threatened by grave and imminent danger and request immediate assistance

Explanation

The answer PAN-PAN is correct because it is a radio communication signal used to indicate an urgent situation that is not immediately life-threatening. It is used when there is a potential danger or problem that requires assistance, but it is not as severe as a Mayday signal. The PAN-PAN signal is used to grab the attention of other vessels or authorities and request immediate assistance.

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37. What word should the SAR personnel use to mean that "I have received your transmission satisfactory"

Explanation

The SAR personnel should use the word "roger" to mean that they have received the transmission satisfactorily. "Roger" is a commonly used radio communication term derived from the phonetic alphabet, indicating that a message has been understood and acknowledged.

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38. Maritime mobile service uses

Explanation

Maritime mobile service uses frequency modulation. Frequency modulation (FM) is a method of encoding information on a carrier wave by varying the frequency of the wave. In the maritime mobile service, FM is commonly used for transmitting voice communications over radio waves. FM provides good audio quality and is resistant to noise and interference, making it suitable for communication at sea. It allows for clear and reliable communication between ships, coast stations, and other maritime mobile stations.

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39. Beaufort wind force that corresponds to moderate waves

Explanation

The Beaufort wind force scale is a measurement system that relates wind speed to observed conditions at sea. Force 5 on the scale corresponds to moderate waves, which means that the wind speed is around 17-21 knots or 19-24 mph. This level of wind force would create waves with heights of 4-8 feet, and would generally be considered moderate conditions for sailing or boating.

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40. Which of the following radio beacon is used by airplance

Explanation

ELT stands for Emergency Locator Transmitter, which is a radio beacon specifically used by airplanes. It is designed to automatically activate in the event of an aircraft crash or emergency, transmitting a distress signal on a specific frequency. This signal helps search and rescue teams locate the aircraft and provide assistance. PLB (Personal Locator Beacon), DSC (Digital Selective Calling), and EPIRB (Emergency Position Indicating Radio Beacon) are also radio beacons, but they are not specifically used by airplanes.

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41. What is the communication equipment, which was eliminated upon compliance with GMDSS

Explanation

The correct answer is 500 kHz. This frequency was eliminated upon compliance with GMDSS (Global Maritime Distress and Safety System). GMDSS is an internationally recognized set of regulations and procedures for communication and distress signaling at sea. The elimination of 500 kHz was part of the transition from older analog communication systems to newer digital systems.

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42. In what situation where MOB was reported to the bridge by an eyewitness and action is initiated with some delay

Explanation

In a situation where MOB (man overboard) was reported to the bridge by an eyewitness and action is initiated with some delay, the correct answer would be "delayed action." This means that there was a delay in taking action or responding to the report of a person falling overboard. This delay could have various reasons such as miscommunication, lack of immediate awareness, or other factors that prevented immediate action to be taken.

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43. The following are the points to be considered when arranging for evacuation of patient by helicopter, except

Explanation

The explanation for the correct answer is that giving medical information is not one of the points to be considered when arranging for the evacuation of a patient by helicopter. The other points mentioned, such as the patient's vital signs, preparing important documents, and advising any changes in the patient's condition, are all important factors to consider during the evacuation process. However, providing medical information is not specifically mentioned as a point to be considered.

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44. The aeronautical mobile service uses what communication modulation for VHF telephony

Explanation

The correct answer is amplitude modulation. In the aeronautical mobile service, VHF telephony uses amplitude modulation for communication. Amplitude modulation involves varying the amplitude of the carrier wave in proportion to the audio signal being transmitted. This allows the audio signal to be superimposed onto the carrier wave, enabling the transmission of voice signals over VHF frequencies.

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45. Ditching condition whereby ignoring crosswind components and land parallel to the primary swell

Explanation

In winds 0-25 knots, it is possible to ditch an aircraft in restricted visibility during heavy weather conditions. The condition mentioned in the answer suggests that when ditching, the pilot should ignore crosswind components and instead land parallel to the primary swell. This means that the pilot should align the aircraft with the direction of the primary waves in order to minimize the impact and maximize the chances of survival during a water landing.

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46. An equipment that when activated, will interact with the 9 ghz vessel and aircraft radars

Explanation

A SART (Search and Rescue Transponder) is an equipment that, when activated, will interact with the 9 GHz vessel and aircraft radars. It is used to locate and rescue individuals in distress at sea by transmitting a series of pulses that appear as a line of dots on the radar screen. This allows search and rescue teams to quickly locate the distressed vessel or aircraft and provide assistance.

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47. Radio procedural word that means "I must pause for a few seconds, standby for further transmission".

Explanation

The correct answer is "wait." In radio communication, "wait" is a procedural word used to indicate that the speaker needs to pause for a few seconds and standby for further transmission. It is a signal for the listener to be patient and not interrupt or respond until the speaker continues with their message.

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48. Who is responsible for declaring a distress condition using the MAYDAY signal

Explanation

Both the pilot in command and the master are responsible for declaring a distress condition using the MAYDAY signal. The pilot in command is responsible for declaring a distress condition in aviation, while the master is responsible for declaring a distress condition in maritime situations. Therefore, both options are correct depending on the context of the situation.

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49. Mandatory minimum requirements for training of masters of merchant ship in SAR operation are contained in

Explanation

The correct answer is SOLAS. SOLAS, which stands for the International Convention for the Safety of Life at Sea, contains the mandatory minimum requirements for the training of masters of merchant ships in Search and Rescue (SAR) operations. SOLAS is an international maritime treaty that sets out various safety and security measures for ships, including training requirements for personnel involved in SAR operations. It ensures that masters of merchant ships are adequately trained to handle emergency situations and coordinate SAR efforts effectively.

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50. Area coverage of geostationary INMARSAT system

Explanation

The correct answer is 70 degrees latitude north or south. This is because the geostationary INMARSAT system provides coverage up to 70 degrees latitude north or south. Beyond this latitude, the system's coverage becomes less reliable due to the curvature of the Earth and the positioning of the satellites in geostationary orbit.

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51. What should we do to the patient in order to know details of any medication which has been administered

Explanation

To know the details of any medication administered to a patient, they should be tagged. This means that some form of identification or label should be attached to the patient, indicating the medication that has been given. This tagging system helps in keeping track of the medications administered to the patient and ensures accurate documentation of their medical history.

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52. A recovery method that will take the vessel back into her wake

Explanation

The Scharnow turn is a recovery method that allows a vessel to return to its original wake. It involves making a sharp turn in the opposite direction of the initial turn, followed by a gradual turn back towards the original course. This technique is commonly used to recover a vessel from a dangerous situation or to avoid obstacles. The other options, single turn and Williamson turn, do not specifically refer to a recovery method that takes the vessel back into her wake.

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53. Communication between vessel and aircraft is difficult because of

Explanation

Communication between vessels and aircraft can be difficult due to different radio bands. Vessels typically use marine radios, which operate on VHF frequencies, while aircraft use aviation radios, which operate on VHF and UHF frequencies. These different radio bands can cause interference and make it challenging for vessels and aircraft to communicate effectively.

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54. Action not to be taken incase of fire on board

Explanation

In case of a fire on board, the correct action to be taken is to extinguish the fire. This means using appropriate firefighting equipment or methods to put out the flames and prevent the fire from spreading further. It is important to prioritize the safety of all individuals on board and prevent any potential damage or harm caused by the fire.

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55. It is one of an emergency at sea which is executed as a last resort

Explanation

Abandonship is the correct answer because it is a necessary action to take in case of an emergency at sea as a last resort. When all other options have been exhausted and the situation becomes too dangerous to remain on the ship, abandoning the ship is the best course of action to ensure the safety of the individuals involved.

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56. It is not recommended to be used in an immediate action situation

Explanation

The correct answer is single turn. This means that in an immediate action situation, it is not recommended to use multiple turns or maneuvers. Using a single turn allows for a quicker response and reduces the risk of overcomplicating the situation. Multiple turns or maneuvers may take more time and increase the chances of making a mistake or losing control. Therefore, it is best to use a single turn in such situations.

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57. Inmarsat terminal that can be used beyond 70 degrees latitude north or south

Explanation

The correct answer is inmarsat A. Inmarsat A is a type of inmarsat terminal that can be used beyond 70 degrees latitude north or south. This means that it can provide satellite communication services in polar regions where other terminals may not be able to function effectively due to the extreme conditions.

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58. During loss of communication of aircraft, the transponder should be set to

Explanation

During a loss of communication of an aircraft, the transponder should be set to 7600. This code is used to indicate a communication failure to air traffic control. By setting the transponder to 7600, the pilot signals that they are unable to communicate with air traffic control and are requesting assistance.

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59. Which of the following type of maritime satellite EPIRB whose signal is relayed via cospas-sarsat

Explanation

A 406 MHz satellite EPIRB is the type of maritime satellite EPIRB whose signal is relayed via Cospas-Sarsat. This system is used for search and rescue operations and allows distress signals to be transmitted to satellites orbiting the Earth, which then relay the signals to ground stations. The 406 MHz frequency is specifically designated for distress signals and provides better accuracy and reliability compared to other frequencies.

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60. When the ships's falls, what other means of transmitting a message

Explanation

Portable equipment refers to devices or tools that can be easily carried or moved from one place to another. In the context of the question, when the ship's falls, portable equipment can be used as an alternative means of transmitting a message. This could include devices such as satellite phones, handheld radios, or portable communication systems that can be used to send distress signals or communicate with other ships or rescue teams. Using portable equipment ensures that communication can be maintained even if the ship's main communication systems are damaged or unavailable.

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61. The frequency can be jointly used by aircraft and vessel engaged in SAR operation

Explanation

The frequency 123.0 MHz can be jointly used by aircraft and vessels engaged in Search and Rescue (SAR) operations. This frequency is commonly used for air-to-air communication and for coordination between aircraft and vessels during SAR missions. It allows for effective communication and coordination between different units involved in the operation, ensuring efficient and timely response to emergency situations.

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62. The following are traditional equipments required by SOLAS, except

Explanation

SOLAS (Safety of Life at Sea) is an international maritime safety treaty that sets minimum safety standards for ships. The traditional equipment required by SOLAS includes a survival craft radar transponder, portable VHF radio, and SART (Search and Rescue Transponder). However, GPS (Global Positioning System) is not specifically listed as a traditional equipment required by SOLAS. While GPS may be used as a navigation tool on ships, it is not a mandatory requirement according to SOLAS regulations.

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63. EPIRB whose signal is relayed via inmarsat satellites

Explanation

An inmarsat-E EPIRB is the correct answer because it is specifically mentioned that the signal is relayed via inmarsat satellites. This indicates that the EPIRB is designed to transmit its distress signal through the inmarsat satellite network. VHF EPIRBs and 406 MHz EPIRBs may not necessarily use inmarsat satellites for signal relay, so they are not the correct answer.

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64. Which of the following method of recovery that is good when reduced visibility

Explanation

The Williamson turn is a method of recovery that is effective when there is reduced visibility. This turn is used to bring a vessel back onto its original course after avoiding an obstacle. It involves a 60-degree turn in the opposite direction of the obstacle, followed by a 120-degree turn in the opposite direction to bring the vessel back onto its original course. This method allows for better maneuverability and helps maintain control of the vessel in challenging conditions with reduced visibility.

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65. Year when cospas-sarsat began operation 

Explanation

Cospas-Sarsat began operation in 1979.

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66. If the secondary swell system is present it may not be visible until the altitude in between of how many feet

Explanation

The secondary swell system may not be visible until the altitude is between 1,500 and 800 feet.

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67. What prefix is used when MEDICO message is sent

Explanation

When sending a MEDICO message, the prefix "DH" is used. This prefix is commonly used in medical contexts and stands for "Doctor of Medicine." It indicates that the sender of the message is a medical doctor.

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68. When reporting an in-flight emergency, the pilot command should expect from what unit to request necessary information

Explanation

When reporting an in-flight emergency, the pilot should expect to request necessary information from the AIS (Aeronautical Information Service). The AIS is responsible for collecting, storing, and disseminating aeronautical information necessary for the safety, regularity, and efficiency of air navigation. This information includes weather conditions, NOTAMs (Notice to Airmen), and other relevant data that can assist the pilot in managing the emergency situation effectively.

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69. Primary swell is visible during visual meteorological conditions from an altitude of ________ feet or higher

Explanation

Primary swell is a type of ocean swell that is generated by distant storms and travels long distances across the ocean. It is typically characterized by long wavelengths and smooth, regular wave patterns. The question asks for the altitude at which primary swell becomes visible during visual meteorological conditions. Visual meteorological conditions refer to weather conditions that allow for clear visibility and good visual references. The correct answer of 2000 feet suggests that primary swell can be seen from this altitude or higher, indicating that it is visible even from a relatively low altitude.

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70. Which of the following is not an international maritime distress frequency

Explanation

The correct answer is 156.3 kHz. This frequency is not an international maritime distress frequency. International maritime distress frequencies are used for emergency communications at sea. The frequencies 121.5 kHz, 156.8 kHz, and 2182 kHz are all internationally recognized distress frequencies that are used for distress calls and emergency communications in the maritime industry.

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Which of the following factors that will affect the speed of recovery
Ship emergency at sea that may require MEDICO and MEDEVAC
A device that is used to transmit a signal to alert SAR authorities...
What do you think why generally ship could not establish a direct...
It is abnormal lowering of internal body temperature from exposure to...
It is a radio procedural word that means silence is lifted and is used...
During pirates on board, the crew is usually ordered not to
These are ship emergencies at sea, except
When is the best time to cancel distress message
It is also known as anderson turn which is the fastest recovery method
Ship emergency at sea that requires to lessen the draught of the...
What is the emergency signal that has the priority over other...
Operates only within INMARSAT coverage area, generally between 70...
The 2182 khz in NBDP MF is a radio distress frequency for 
Notification by any means that a distress situation exists and...
Satellite system that calculates position information for EPIRB, ELT...
The best known medical advisory service is
In what situation that the civil vessels and aircraft may need to...
In what situation, when the person overboard is noticed from the...
The minimum operating time of a maritime EPIRB as required by IMO is
Which of the following radio beacon is used by aircraft
A vessel in distress message must contain the following, except
Distress alert from aircraft is normally relayed to vessel in the...
What would you do if an EPIRB cannot be taken into survival craft...
Which of the following is not in flight emergency
MEDICO messages are usually addressed to
On what frequency that ELT's and EPIRB provide a homing signal
Indicates end of transmission when no reply is expected or required
Emergency signal that has priority over all other signal
Which of the following is not an international distress frequency
What standard method of recovery that saves time and covers less...
It is spoken just before the numbers are given in a message
What kind of vessels is especially equipped to use 2182 khz
Aircraft ditching into a swell should touch down the surface just...
A device fitted on the installation of liferaft and EPIRB on board...
It indicates that a mobile craft is threatened by grave and imminent...
What word should the SAR personnel use to mean that "I have...
Maritime mobile service uses
Beaufort wind force that corresponds to moderate waves
Which of the following radio beacon is used by airplance
What is the communication equipment, which was eliminated upon...
In what situation where MOB was reported to the bridge by an...
The following are the points to be considered when arranging for...
The aeronautical mobile service uses what communication modulation for...
Ditching condition whereby ignoring crosswind components and land...
An equipment that when activated, will interact with the 9 ghz vessel...
Radio procedural word that means "I must pause for a few seconds,...
Who is responsible for declaring a distress condition using the MAYDAY...
Mandatory minimum requirements for training of masters of merchant...
Area coverage of geostationary INMARSAT system
What should we do to the patient in order to know details of any...
A recovery method that will take the vessel back into her wake
Communication between vessel and aircraft is difficult because of
Action not to be taken incase of fire on board
It is one of an emergency at sea which is executed as a last resort
It is not recommended to be used in an immediate action situation
Inmarsat terminal that can be used beyond 70 degrees latitude north or...
During loss of communication of aircraft, the transponder should be...
Which of the following type of maritime satellite EPIRB whose signal...
When the ships's falls, what other means of transmitting a message
The frequency can be jointly used by aircraft and vessel engaged in...
The following are traditional equipments required by SOLAS, except
EPIRB whose signal is relayed via inmarsat satellites
Which of the following method of recovery that is good when reduced...
Year when cospas-sarsat began operation 
If the secondary swell system is present it may not be visible until...
What prefix is used when MEDICO message is sent
When reporting an in-flight emergency, the pilot command should expect...
Primary swell is visible during visual meteorological conditions from...
Which of the following is not an international maritime distress...
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