National Maritime Center Providing Credentials to Mariners (Sample Examination) Page 1 of 17
Choose the best answer to the following Multiple Choice Questions. 1. Which meets the requirement of an independent backup system on an electric start survival craft? o (A) A hydraulic system o (B) A backup system is not required o (C) A pneumatic system (D) A second rechargeable spare battery 2. To prevent the spread of fire by convection you should take which action? (A) Close all openings to the area o (B) Remove combustibles from direct exposure o (C) Cool the bulkhead around the fire o (D) Shut off all electrical power 3. During a SAR helicopter evolution the rescue sling is the most widely used method of extraction. Which of the following describes the alternate Double Lift Method used to pick-up incapacitated persons? o (A) A normal rescue sling and a rescue seat used to simultaneously extract multiple personnel (B) A normal rescue sling and a seating belt manned by a helicopter crew member o (C) Two normal rescue slings one manned by a helicopter crew member o (D) A normal rescue sling and a rescue net used to simultaneously extract multiple personnel 4. Your vessel has 3 lifeboats on each side. What is designated boat number of the middle boat on the starboard side? o (A) 2 o (B) 2 STARBOARD (C) 3 o (D) 4 5. What does a pyrometer measure on a diesel engine? o (A) Water pressure (B) Exhaust temperature o (C) Air box pressure o (D) Water temperature Page 2 of 17
6. What is the name given to the lines that are passed around the falls to hold the boat and prevent it from swinging violently. (A) Frapping lines o (B) Tricing lines o (C) Life lines o (D) Tripping lines 7. All of the following are recognized distress signals under the Navigation Rules EXCEPT which signal? o (A) The repeated raising and lowering of outstretched arms (B) A green star signal o (C) Red flares o (D) Orange-colored smoke 8. Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by. o (A) recharging the cartridge and refilling it with powder o (B) authorized fire equipment servicing personnel only (C) replacing the propellant cartridge and refilling with powder o (D) puncturing the cartridge seal after installation 9. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response? o (A) Open the door to evaluate the extent of the fire o (B) Release the CO2 flooding system o (C) Enter and use a portable extinguisher (D) Secure the ventilation 10. Which action must be taken annually concerning inflatable liferafts carried on passenger vessels? o (A) Shall be sent to the steamship company shore repair facility o (B) They shall be sent to the Coast Guard for servicing (C) Shall be sent to a Coast Guard approved service facility o (D) They are required to be overhauled by the ship's crew Page 3 of 17
11. If a passenger vessel navigating the Great Lakes is required to carry 8 life buoys, what is the allowable minimum number of these buoys that must have self-igniting lights attached? o (A) 8 o (B) 6 (C) 4 o (D) 2 12. Which defines the function of a spark arrestor? o (A) It keeps sparks from falling into an open tank o (B) Grounds static electricity reducing chance of explosion (C) Prevents sparks from getting out of an engine's exhaust system o (D) Utilized to secure covers on ullage openings 13. The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines? o (A) A o (B) B o (C) C (D) D 14. Which term is given to the wooden planking that protects the tank top from cargo loading? o (A) Frames o (B) Toms o (C) Shores (D) Ceiling 15. You are at sea and have received a General Emergency message announcing the outbreak of war in Europe. You are directed to comply with the instructions in NGA (NIMA) PUB 117, Chapter Eight. Which statement is TRUE? (A) You should attempt to submit an AMVER report to NSA. o (B) When over 200 miles from a port in the danger zone, you should not darken ship. o (C) You should only enter a port in the danger zone during hours of darkness. o (D) If on a coastwise voyage along the east coast of the U.S., you should put into the nearest port. Page 4 of 17
16. Who determines the number of rowing oars that must be carried in a motor-propelled lifeboat on a cargo vessel? o (A) The Coast Guard o (B) The American Bureau of Shipping o (C) The Master of the vessel (D) The lifeboat manufacturer 17. What welding pattern is NOT used to permanently attach a stiffener to a plate? o (A) Continuous o (B) Staggered intermittent (C) Tack o (D) Chain intermittent 18. How often are each EPIRB and SART for lifeboats required to be tested on the vessel? o (A) Weekly o (B) Every 2 weeks (C) Monthly o (D) Every 3 months 19. What is the MOST important consideration when determining how to fight an electrical fire? o (A) The amount of toxic fumes created by the extinguisher o (B) Whether the fire is in machinery or passenger spaces (C) Danger of shock to personnel o (D) Maintaining electrical power 20. Which portable fire extinguisher should be used on a class C fire on board a vessel? o (A) Water (stored pressure) (B) Carbon dioxide o (C) Foam o (D) Carbon tetrachloride Page 5 of 17
21. Which is the primary type of welding employed in shipyards in the construction of cargo vessels? (A) electric arc o (B) pressure welding o (C) thermite welding o (D) brazing 22. The greatest effect on stability occurs from loose liquids flowing. o (A) from side to side in the tanks of the vessel o (B) from fore to aft in the tanks of a vessel o (C) in and out of a vessel that is holed in a peak tank (D) in and out of a vessel that is holed in a wing tank 23. There is a fire in the crew's quarters of your vessel. Which action should you take FIRST? o (A) Ventilate the quarters as much as possible (B) Close all ventilation to the quarters if possible o (C) Prepare to abandon ship o (D) Attempt to put the fire out yourself before sounding the alarm 24. You abandoned ship in the North Atlantic and one of the crew members is hypothermic. During a SAR helicopter extraction which lifting device should be avoided when hoisting this patient to the aircraft? o (A) The rescue litter o (B) The rescue net (C) The rescue sling o (D) The rescue basket 25. Which is TRUE of the vapor pressure of a substance? o (A) It is not affected by temperature (B) It increases with the temperature o (C) It may increase or decrease as the temperature rises o (D) It decreases as temperature increases Page 6 of 17
26. The order of importance in addressing damage control is. (A) control fire, control flooding, repair structural damage o (B) control fire, restore vital services, control flooding o (C) restore vital services, control fire, control flooding o (D) control flooding, control fire, repair structural damage 27. A crew member has just fallen overboard off your port side. Which action should you take? o (A) Immediately put the rudder over hard right. o (B) Wait until the stern is well clear of the man and then put the rudder over hard right. o (C) Immediately put the engines astern. (D) Immediately put the rudder over hard left. 28. What term indicates the midships portion of a vessel that has a constant cross section? o (A) Half length o (B) Molded length o (C) Amidships (D) Middle body 29. A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n). o (A) cofferdam o (B) exemption space (C) tonnage opening o (D) tonnage deck 30. Which statement describes the primary process by which fires are extinguished by dry chemical? o (A) The stream of dry chemical powder cools the fire. (B) The dry chemical powder attacks the fuel and oxygen chain reaction. o (C) The powder forms a solid coating over the surface. o (D) The dry chemical smothers the fire. Page 7 of 17
31. CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge? o (A) 80% o (B) 85% (C) 90% o (D) 95% 32. The term "strake" is used in reference to which item(s)? o (A) Vessel framing o (B) Anchor gear (C) Hull plating o (D) Rudder mountings 33. What is the purpose of a water spray system on a covered lifeboat? (A) It protects the lifeboat from reaching combustion temperature while operating in a fire o (B) The spray system cools the lifeboat engine o (C) The system will put out a fire inside the lifeboat o (D) It keeps the lifeboat warm in a cold climate by applying heated water spray from the engine to the boat 34. Lifesaving regulations in Subchapter W require that a fire drill include which of the following? o (A) Checking the operation of watertight doors o (B) Starting the fire pumps o (C) Checking arrangements for abandon ship (D) All of the above 35. When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at approximately which time intervals? o (A) 1 hour o (B) 3 minutes o (C) 10 minutes (D) 1 minute Page 8 of 17
36. You are fighting a fire in the electrical switchboard in the engine room. You should secure the power, then take which action? (A) Use a portable CO2 extinguisher o (B) Determine the cause of the fire o (C) Use a low-velocity fog adapter with the fire hose o (D) Use a portable foam extinguisher 37. Which statement is TRUE concerning carbon dioxide? o (A) It is lighter than air. o (B) It is used mostly on class A fires. (C) It is an inert gas. o (D) All of the above 38. What is NOT a function of the steam drum of a marine water-tube boiler? o (A) Serves as a reservoir of boiler feedwater o (B) Holds internal fittings for separation of moisture from steam o (C) Receives saturated steam from the generating tubes (D) Collects steam exhausted from the turbines 39. In plugging submerged holes; why are rags, wedges, and other materials used in conjunction with plugs? o (A) To reduce the possibility of stress fractures o (B) To prevent progressive flooding (C) To reduce the water leaking around the plugs o (D) To reduce the water pressure on the hull 40. When should you first have any food or water after boarding a lifeboat or liferaft? o (A) After 12 hours (B) After 24 hours o (C) Within 48 hours o (D) Some food and water should be consumed immediately and then not until 48 hours later. Page 9 of 17
41. What is the signal given to commence lowering the lifeboats? o (A) 3 long blasts of the ship's whistle o (B) 3 short blasts of the ship's whistle o (C) 1 long blast of the ship's whistle (D) 1 short blast of the ship's whistle 42. The single turn method of returning to a man overboard should be used ONLY if which condition exists? o (A) The conning officer is inexperienced o (B) A boat will be used to recover the man (C) The vessel is very maneuverable o (D) The man is reported missing rather than immediately seen as he falls overboard 43. In a fixed CO2 fire extinguishing system where pressure from pilot cylinders is used to release the CO2 from the main bank of 20 cylinders, what is the minimum number of required pilot cylinders? (A) 2 o (B) 3 o (C) 4 o (D) 6 44. Your vessel is conducting helicopter evacuation operations for an injured crew member. Which of the following statements is true concerning the hoisting line? o (A) A tag line is required to be attached to the hoist cable for securing o (B) Secure the graining line to the deck railings o (C) As a safety measure wrap the line around the patient before attaching it to the basket (D) Allow the line to touch the deck to discharge the static electricity 45. Which action would you take to get low-velocity fog from an all-purpose nozzle? o (A) Attach the bronze nozzle tip to the fog outlet of the nozzle o (B) Simply move the handle to the vertical position on the nozzle o (C) Attach an applicator to the solid stream outlet on the nozzle (D) Attach an applicator to the nozzle in place of the bronze nozzle tip Page 10 of 17
46. What time of day would an SSB radio have the longest transmitting range? o (A) At noon (B) During darkness o (C) Daylight before noon o (D) Daylight after noon 47. Which is TRUE of the vessel's Sheer Plan? o (A) The plan has the forebody to the right of centerline and afterbody to the left of centerline o (B) The plan is an endwise view of the ship's molded form o (C) The plan is usually drawn for the port side only (D) The plan shows a longitudinal side elevation 48. The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE? (A) The outboard section of the cradle must be released. o (B) The boat should be hoisted a few inches clear of the cradle before cranking out the davits. o (C) The tricing pendants will automatically bring the boat alongside at the embarkation deck. o (D) The inboard gripes should be cast off before the outboard gripes. 49. What should be used to steer an open lifeboat if the rudder becomes lost or damaged? (A) Steering oar o (B) Sea anchor o (C) Spare rudder o (D) Daggerboard 50. Which statement is TRUE concerning radiotelephones on board towing vessels? o (A) Only the Master of the vessel is allowed to speak over the radiotelephone. o (B) There cannot be a radiotelephone located anywhere except in the wheelhouse. (C) The officer in charge of the wheelhouse is considered to have the radiotelephone watch. o (D) Only distress messages may be transmitted over channel 13. Page 11 of 17
51. A long ton is. o (A) 1,000 pounds o (B) 2,000 pounds (C) 2,240 pounds o (D) 2,400 pounds 52. You are on the beach and want to signal to a small boat in distress that your present location is dangerous and that they should land to the left. How would you indicate this? o (A) Send the letter K by light and point to the left o (B) Fire a green star to the left o (C) Place an orange signal to your left as you signal with a white light (D) Send the code signal S followed by L 53. What is the radiotelephone urgency signal? (A) PAN PAN o (B) MAYDAY o (C) SECURITE o (D) SEELONCE FEENE 54. Due to the shape of the sea anchor, which is the best way to haul it back aboard? o (A) Getting all hands to assist hauling it in o (B) Cutting the line, as you cannot haul it back in (C) Pull its trip line and haul it in o (D) Hauling in on the anchor line as you would any anchor 55. What shall be conducted during a fire and boat drill? (A) All watertight doors in the vicinity of the drill shall be operated. o (B) All lifeboat equipment shall be examined. o (C) Fire pumps shall be started and all exterior outlets opened. o (D) All of the above Page 12 of 17
56. Which is TRUE concerning a certificated lifeboatman assigned to command a lifeboat? o (A) He/She should be the first individual to board the craft o (B) Must drain the hydraulic pressure before lowering the craft (C) Must have a list of the persons assigned to the lifeboat o (D) Must be the brakeperson actually lowering the boat 57. The percentage of the total surface area or volume of a flooded compartment that can be occupied by water caused by damage defines which term? (A) Permeability o (B) One compartment standard o (C) Center of flotation o (D) Form gain 58. If more than one raft is manned after the vessel has sunk, you should take which action? o (A) Go in a different direction in search of land o (B) Spread out to increase the possibility of a search aircraft finding you (C) Tie the rafts together and try to stay in a single group o (D) Reduce the number of rafts by getting as many people as possible into as few rafts as possible 59. Which one of the following signals is made at night by a lifesaving station to indicate "Landing here highly dangerous"? o (A) Vertical motion of a white light or flare (B) Horizontal motion of a white light or flare o (C) White star rocket o (D) Vertical motion of a red light or flare 60. Fire dampers prevent the spread of fire by. o (A) radiation o (B) conduction (C) convection o (D) direct contact Page 13 of 17
61. Which item(s) is/are a 2,000 GT tankship is required to carry? o (A) Two canister type gas masks if such vessel is authorized to carry grade A, B, C or D liquids (B) Two self-contained breathing apparati o (C) One oxygen breathing apparatus with enough lifeline to reach from the open deck to any part of the tanks o (D) Emergency outfits only on an international voyage 62. The float free link attached to a sea painter on an inflatable liferaft has a breaking strength of. o (A) 200-268 lbs for buoyant apparatus with a capacity of 11 to 20 persons o (B) 400-536 lbs for buoyant apparatus with a capacity of 21 persons or more o (C) 100-134 lbs for buoyant apparatus with a capacity of 10 persons or less (D) All of the above 63. When rendering assistance to personnel in the water a SAR helicopter utilizes a rescue sling for most extractions. In which case would the use of a litter be preferred? o (A) When the person has a pacemaker and static discharge is a concern o (B) When the person is not trained in the use of the rescue sling o (C) When the person is suffering from fatigue (D) When the person is suffering from hypothermia 64. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action? o (A) Dewater the compartment o (B) Ballast to maintain even keel o (C) Secure power to the compartment (D) Establish and maintain flooding boundaries 65. Paints and solvents on a vessel should be. o (A) covered at all times to protect from ignition sources (B) returned to the paint locker after each use o (C) stored safely at the work site until work is completed o (D) stored in a suitable gear locker Page 14 of 17
66. When choosing extinguishers to fight a Class "B" fire do NOT use which type of extinguisher? o (A) Carbon dioxide (B) Water (cartridge-operated) o (C) Dry chemical o (D) Foam (stored-pressure type) 67. You have taken another vessel in tow at sea. Which is an indicator that the towing speed is too fast? o (A) The vessels are not in step (B) The catenary comes clear of the water o (C) The towed vessel goes "in irons" o (D) The tow line feels like it is "jumping" when touched 68. In illustration D016SA below, what number indicates the frapping line? o (A) 1 (B) 2 o (C) 3 o (D) 4 69. After clearing the vessel, what is one of the FIRST things you would do in an inflatable liferaft? o (A) Post a lookout. (B) Pick up other survivors. o (C) Open equipment pack. o (D) Issue anti-seasickness medicine. 70. A class B fire is most successfully fought by which method? (A) Preventing oxygen from reaching the burning material o (B) Using the extinguishing agent to make the burning material fire-resistant o (C) Cooling the burning material below its ignition temperature o (D) Using the extinguishing agent to remove the heat Page 15 of 17
National Maritime Center Providing Credentials to Mariners D025DG 5/23/2016 Adapted for testing purposes only Further reproduction prohibited without permission Page 16 of 17
National Maritime Center Providing Credentials to Mariners D016SA 5/23/2016 Adapted for testing purposes only Further reproduction prohibited without permission Page 17 of 17