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single voyage outside the sea area for which the vessel is equipped.
B. ships must have the required equipment inspected at least once every 12 months.
C. Ships must carry at least three persons holding GMDSS operator?s license for distress and safety radio communications purposes.
D. The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards.
29. Which statement is false regarding a GMDSS-equipped ship?
A. A conditional or partial exemption may be granted, in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped.
B. ships must have the required equipment inspected at least once every five years.
C. The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards.
D. Ships must carry person(s) holding a GMDSS operator?s license for distress and safety radio communications purposes.
30. 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?
A. Emergency power.
B. Reserve source of energy.
C. Ship?s emergency diesel generator. D. Ship?s standby generator.
31. GMDSS-equipped ships will be required to perform which of the following communications functions?
A. Distress alerting and maritime safety information.
B. Search and Rescue coordination and on-scene communications.
C. Bridge-to-bridge and general radio communications. D. All of these
32. A vertical antenna (whip) has a radiation pattern best described by which statement?
A. A Figure eight B. A cardioid.
C. A circle. D. An ellipse.
33. Under GMDSS, the proper functioning of the DSC facilities shall be tested periodically without radiation of signals, by use of the means provided by equipment. What is the period?
A. Weekly.
B. Annually, by a representative of the MSA. C. Daily
D. Monthly.
34. Under GMDSS, the reserve source of energy is not a battery (for example, a motor generator) the reserve source of energy must be tested at what minimum intervals?
A. Weekly.
B. Annually, by a representative of the MSA. C. At the annual SOLAS inspection. D. Monthly.
35. Who can make the determination to suspend AIS continuous listening watch?
A. The operator, when the vessel is no longer operating in open sea. B. The Master, when determining that armed robbery may occur.
C. An operator when it is determined that the noise becomes annoying to personnel on the bridge.
D. Anyone, if it is determined that the noise interferes with listening on 97.5MHz FM transmissions.
36. Which of the following documents are required by GMDSS for vessels on international voyages?
A. A copy of the IMO master plan of shore-based facilities. B. Station logs.
C. ITU Radio Regulations. D. All of these.
1A 2C 3B 4B 5D 6C 7A 8D 9C 10D 11C 12D 13A 14C 15A 16C 17C 18B 19C 20D
21A 22C 23B 24A 25D 26B 27A 28C 29B 30B 31D 32C 33C 34A 35B 36D 37. What equipment is used in or near the survival craft?
A. NAVTEX B. Fathometer.
C. COSPAS-SARSAT D. EPIRB
38. Which statement is false regarding a GMDSS-equipped ship?
A. A conditional or partial exemption may not be granted, even in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped.
B. ships must have the required equipment inspected at least once every 12 months.
C. The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards.
D. Ships must carry person(s) holding a GMDSS operator?s license for distress and safety radio communications purposes.
39. Every A3 ship, while at sea, shall maintain a continuous watch:
A. On VHF DSC channel 70
B. On the distress and safety DSC frequency 2,187.5 KHz and 8,414.5 KHz and also on at least one of the distress and safety DSC frequencies 4,207.5 KHz, 6,312 KHz, 12,577 KHz or 16,804.5 KHz, appropriate to the time of day and the geographical position of the ship. C. For satellite shore-to-ship distress alerts. D. All of these.
40. What statement is generally correct regarding the maintenance requirements for ships under GMDSS?
A. Redundancy of functions of certain equipment will partially meet this requirement.
B. On-board maintenance provided by a person holding a Second Class Electronic Certificate license will partially meet the requirements.
C. shore based maintenance and scheduled tests and inspections will partially meet this requirement. D. All of these.
41. What is the primary purpose of the GMDSS?
A. Environmental protection.
B. A common international communications system for all shipping.
C. Automate and improve emergency communications for the world?s shipping industry. D. Effective and inexpensive communications.
42. What is the minimum operation time of reserve source of energy on ships without an emergency energy source?
A. 1 hour B. 6 hours C. 12 hours
D. 24 hours
43. What is the minimum operation time of reserve source of energy on ships with an emergency energy source?
A. 1 hour
B. 6 hours C. 12 hours
D. 24 hours 44. Vessel operating in which sea area(s) are required to carry either INMARSAT or HF equipment or a combination thereof under GMDSS?
A. All sea areas. B. A3.
C. A4.
D. A3 and A4
45. Which system is most likely to be affected by atmospheric disturbances?
A. VHF DSC
B. INMARSAT Standard-C C. MF/HF radiotelephony.
D. Safety NET
46. Which system is least likely to be affected by atmospheric disturbances?
A. NAVTES
B. MF NBDP. C. SES
D. HF NBDP
47. Which of the following systems is most likely to be subject to fading or static interference?
A. HF NBDP B. INMARSAT
C. Digital Selective Calling on channel 70.
D. VHF ARQ
48. Which system has the least effective radius of operation?
A. HF SITOR B. MF NBDP
C. VHF DSC D. NATTEX
49. What is the basic concept of GMDSS?
A. Search and rescue authorities shore can be alerted to a distress situation.
B. shipping in the immediate vicinity of a ship in distress will be rapidly alerted.
C. Shore-side authorities and vessels can assist in a coordinated SAR operation with minimum delay. D. All of these.
50. A ship operating in sea area A1 must have the following provisions of maintenance:
A. Shore maintenance. B. Duplication of equipment. C. At Sea Maintenance. D. Any one of these.
51. A ship operating in sea area A3 must have the following provisions for maintenance:
A. Duplication of Equipment.
B. Shore Maintenance. C. At Sea Maintenance.
D. Any two of these.
52. What is the minimum operator license required to perform or supervise the performance of at sea maintenance which may affect the proper operation of the GMDSS station in sea area A3?
A. Second Class Radio Electronic Certificate B. Restricted Operator?s Certificate.
C. First Class Radio Electronic Certificate. D. GMDSS General Operator?s Certificate.
53. What is the minimum operator license required to perform or supervise the performance of at sea maintenance which may affect the proper operation of the GMDSS station in sea area A1?
A. Restricted Operator?s Certificate.
B. First Class Radio Electronic Certificate.
C. Second Class Radio Electronic Certificate D. GMDSS General Operator?s Certificate.
54. What is the minimum operator license required to perform or supervise the performance of at sea maintenance which may affect the proper operation of the GMDSS station in sea area A2?
A. Restricted Operator?s Certificate.
B. First Class Radio Electronic Certificate. C. Second Class Radio Electronic Certificate
D. GMDSS General Operator?s Certificate.
55. What is the minimum operator license required to perform or supervise the performance of at sea maintenance which may affect the proper operation of the GMDSS station in sea area A4?
A. Restricted Operator?s Certificate.
B. Second Class Radio Electronic Certificate C. First Class Radio Electronic Certificate. D. GMDSS General Operator?s Certificate.
56. How many pieces of portable GMDSS VHF transceivers must a passenger ship of 400 tons gross tonnage be provided with?
A. 3 B. 1 C. 2