National Maritime Center Providing Credentials to Mariners (Sample Examination) Page 1 of 12
Choose the best answer for the following Multiple Choice Questions 1. Which term is given to a mature hurricane that has passed over colder water or land and loses its tropical characteristics? o (A) Typhoon o (B) A high pressure area o (C) An easterly wave (D) An extratropical low-pressure system 2. Tropical storms and hurricanes are most likely to form in the Southern hemisphere during which months? o (A) April through May (B) January through March o (C) June through August o (D) September through November 3. What natural feature is responsible for the rather even climate found on the Florida peninsula throughout the year? o (A) Strong masses of continental air o (B) The Bermuda high (C) The Gulf Stream o (D) The cool waters of the Sargasso sea If choice C is selected set score to 1. 4. If the current and wind are in the same direction, what does the sea surface represent concern the true wind speed? o (A) The appearance of the sea surface does not change (B) It appears less than actually exists o (C) It appears at the correct speed o (D) It appears higher than actually exists Page 2 of 12
5. Which is TRUE concerning Hot air? o (A) Hot air retains the same amount of moisture as cold air o (B) Hot air holds less moisture than cold air o (C) The moisture content of air is independent of air temperature (D) Hot air holds more moisture than cold air 6. Weather systems in the middle latitudes generally travel in which direction? (A) West to East o (B) North to South o (C) East to West o (D) South East to North West 7. In a river subject to tidal currents, the best time to dock a ship without the assistance of tugs is. o (A) at flood tide (B) at slack water o (C) at high water o (D) when there is a following current 8. When daylight savings time is kept the times of tide and current calculations must be adjusted. One way of doing this is to. o (A) add 15 to the standard meridian when calculating the time difference (B) add one hour to the times listed under the reference stations o (C) subtract one hour from the times listed under the reference stations o (D) apply no correction, as the times in the reference stations are adjusted for daylight savings time 9. All personnel on board a vessel should be familiar with the rescue boat's. o (A) navigational systems o (B) maintenance schedules o (C) fuel consumption rates (D) boarding and operating procedure Page 3 of 12
10. Lifesaving regulations in Subchapter W require that a fire drill include which of the following? o (A) Starting the fire pumps o (B) Checking arrangements for abandon ship o (C) Checking the operation of watertight doors (D) All of the above 11. If a powdered aluminum fire is being fought, which is the most effective extinguishing agent to use? o (A) Water fog o (B) Steam o (C) CO2 (D) Dry powder 12. A class C fire would be burning. (A) electrical insulation o (B) celluloid o (C) fuel oil o (D) wood 13. How does foam extinguish an oil fire? (A) By excluding the oxygen from the fire o (B) By removing the fuel source from the fire o (C) By increasing the weight of the oil o (D) By cooling the oil below the ignition temperature 14. How often are CO2 cylinders forming part of a fixed fire extinguishing system required to be pressure tested? o (A) year o (B) 2 years o (C) 6 years (D) 12 years Page 4 of 12
15. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed? o (A) Used to shield against electrical shock (B) Aimed at the source of the flames o (C) Shot off a flat surface onto the flames o (D) Fogged above the equipment 16. Combustible gas indicators measure the presence of combustible gas as a percentage of the. o (A) flash point (B) lower explosive limit o (C) upper explosive limit o (D) fire point 17. Which statement concerning carbon dioxide is FALSE? o (A) It cannot be smelled. (B) It is safe to use near personnel in a confined space. o (C) It displaces the oxygen in the air. o (D) It cannot be seen. 18. Weight is considered during the periodic required inspection and servicing of which extinguisher(s)? o (A) Water (stored pressure) fire extinguishers (B) CO2 (carbon dioxide) fire extinguishers o (C) Foam fire extinguishers o (D) All of the above 19. A stored-pressure water extinguisher is most effective against which class of fires? (A) A o (B) B o (C) C o (D) D Page 5 of 12
20. Actuating the CO2 fixed system causes which of the following to shutdown? o (A) Fuel supply (B) Mechanical ventilation o (C) Electrical lighting o (D) Natural ventilation 21. A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent? (A) Number of strands per wire rope o (B) Number of wires per strand o (C) Factor of safety o (D) Number of wires in the core 22. Anchor shackles should have a breaking strength that is. o (A) 25% more than the chains they are connecting o (B) 50% more than the chains they are connecting o (C) 100% more than the chains they are connecting (D) equal to the chains they are connecting 23. The safest device used to secure the end of the pendant wire when it is initially passed to the anchor handling vessel is a. o (A) shackle o (B) connecting link o (C) pelican hook (D) hydraulic deck stopper 24. In a combination chain and wire rope mooring system, the anchor chain is deployed at the anchor end of the line to. o (A) reduce the time to retrieve the line o (B) reduce the catenary o (C) increase fatigue life of the system (D) increase the holding power Page 6 of 12
25. Which statement is CORRECT with respect to inserting an airway tube? o (A) A size 2 airway tube is the correct size for an adult. o (B) Inserting the airway tube will prevent vomiting. o (C) The airway tube will not damage the victim's throat. (D) Only a trained person should attempt to insert an airway tube. 26. What is a convenient and effective system of examining the body of an injury victim? o (A) Watch the patient's eyes as you probe parts of the body. o (B) Look for uncontrolled vibration or twitching of parts of the body. o (C) Look for discoloration of the patient's skin. (D) Check the corresponding (left versus right) parts of the body. 27. A seaman has a small, gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound? o (A) Apply a compression bandage. o (B) Wrap a tight bandage around the wound. (C) Apply butterfly strips, then a sterile dressing. o (D) Use temporary stitches of sail twine. If choice C is selected set score to 1. 28. What is the preferred method of controlling external bleeding? o (A) A tourniquet above the wound (B) Direct pressure on the wound o (C) Pressure on a pressure point o (D) Elevating the wounded area 29. What class of bulkhead is required around the galley on a MODU? (A) Class A o (B) Class B o (C) Class C o (D) Class D Page 7 of 12
30. On offshore drilling units fitted with fixed CO2 systems, the system must discharge at least 85 percent of the required amount of CO2 within. o (A) 1 minute (B) 2 minutes o (C) 3 minutes o (D) 4 minutes 31. When fire pumps are used for other than firefighting services, each pipe connecting the other service (except for branch lines used for deck washing) must have which item to be incompliance with regulations? (A) A shut off valve at a manifold near the pump o (B) A check valve installed in the line o (C) A regulator in the line set at 125 psi o (D) A quick disconnect union within ten feet of the pump 32. To determine the number of industrial personnel allowed on a mobile offshore drilling unit, you should check the. (A) Certificate of Inspection o (B) Safety of Life at Sea Certificate o (C) Operations Manual o (D) Muster List ("Station Bill") 33. On offshore drilling units, the number of industrial personnel permitted to be on board during drilling operations is found on the. o (A) Safety of Life at Sea Certificate o (B) Classification Certificate o (C) Owner's Operation Manual (D) U.S. Coast Guard Certificate of Inspection 34. Annual inspection of MODU cranes shall be conducted by. o (A) the crane operator o (B) U.S. Coast Guard o (C) the person in charge (D) a qualified inspector Page 8 of 12
35. The generators on your rig have shut down, leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? o (A) Mayday, Mayday, Mayday o (B) Pan, Pan, Pan o (C) Lights out, Lights out, Lights out (D) Security, Security, Security 36. What agency issues the Ship Station license for the VHF marine radio on a mobile offshore drilling unit? (A) Federal Communications Commission o (B) Department of Transportation o (C) U.S. Coast Guard o (D) Federal Broadcast Authority 37. Each EPIRB required on a MODU shall be stowed in a manner which will permit. (A) it to float free if the unit sinks o (B) it to remain attached to the unit o (C) replacement of the battery without exposure to the weather o (D) easy access to its storage compartment 38. Offshore drilling units must have at least two ring buoys with water lights that, when released from the mounting rack, activate a. o (A) steam whistle o (B) radio signal (C) smoke signal o (D) battery powered horn If choice C is selected set score to 1. 39. The MODU has suffered a casualty which requires an orderly evacuation of the unit using the lifeboats and liferafts. Among the items to accomplish in preparing to evacuate the unit is. o (A) taking a soil sample of the bottom (B) securing the unit as in preparation for a severe storm o (C) distributing self-contained breathing devices o (D) All of the above Page 9 of 12
40. The Master or person in charge on a MODU shall insure that line throwing equipment is not operated. (A) in an explosive atmosphere o (B) by other than senior rig personnel o (C) near a lifeboat station o (D) during a rain storm 41. What agency is responsible for enforcing the rules for obstruction lights on mobile offshore drilling units? (A) U.S. Coast Guard o (B) Department of Energy o (C) Corps of Engineers o (D) Minerals Management Service 42. After being launched from MODUs, totally enclosed survival craft which have been afloat over a long period require. o (A) use of ear plugs to dampen engine noise (B) regular checks of bilge levels o (C) frequent opening of hatches to permit entry of fresh air o (D) frequent flushing of the water spray system with fresh water 43. Each person on a MODU carrying immersion suits must wear the immersion suit in a boat drill, or participate in a drill which includes donning the suit and being instructed in its use at least once every. (A) month o (B) 2 months o (C) 3 months o (D) 6 months 44. On offshore drilling units, the lifeboats must be lowered to the water and maneuvered at least once every. o (A) 2 months (B) 3 months o (C) 6 months o (D) 12 months Page 10 of 12
45. On offshore drilling units each inflatable liferaft that is not intended for davit launching must be stowed so as to float free or be. o (A) replaced every 12 months o (B) stowed in approved racks o (C) located above the main deck area (D) equipped with a hydrostatic release 46. In how many locations must lifeboats be installed on a mobile offshore drilling unit? o (A) 1 (B) 2 o (C) 3 o (D) 4 47. What statement about immersion suits is TRUE? o o (A) Any tear or leak will render the suit unserviceable and it must be replaced. (B) During the annual maintenance, the front zipper should be lubricated using light machine oil or mineral oil. (C) No stowage container for immersion suits may be capable of being locked. o (D) Immersion suits should be worn while performing routine work on deck. If choice C is selected set score to 1. 48. Which statement about immersion suits is TRUE? o (A) The primary color of the suit's exterior may be red, orange or yellow. (B) The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. o (C) The suit is flameproof and provides protection to a wearer swimming in burning oil. o (D) The suit may be stored in a machinery space where the ambient temperature is 160 F. 49. Which statement about immersion suits is TRUE? o (A) The suit is flameproof and provides protection to the wearer while swimming through burning oil. o (B) The suit seals in body heat and provides protection against hypothermia indefinitely. (C) The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. o (D) The suit's oil resistance is such that it will be serviceable and be usable after exposure to gasoline or mineral spirits without needing to be specially treated. If choice C is selected set score to 1. Page 11 of 12
50. An immersion suit must be equipped with which item(s)? o (A) A sea dye marker (B) A whistle, light and retroreflective material o (C) An orange smoke canister o (D) An air bottle for breathing Page 12 of 12