National Maritime Center

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1 National Maritime Center Providing Credentials to Mariners (Sample Examination) Page 1 of 13

2 Choose the best answer to the following Multiple Choice Questions. 1. 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 2. 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 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 4. Which statement about immersion suits is TRUE? o (A) The immersion suit seals in body heat and provides protection against hypoglycemia for weeks. o (B) The suit is flameproof and provides protection to the wearer while swimming through burning oil. o (C) The wearer of the suit is severely restricted and requires 1.5 times more time to climb a ladder than without the suit. (D) Prior to abandonment, the suit allows body movement such as walking, climbing a ladder and picking up small objects. Page 2 of 13

3 5. What is the best indication of the loading of a diesel engine? o (A) Fuel consumption o (B) Manifold pressure o (C) Oil temperature (D) Exhaust gas temperature 6. 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 7. 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% 8. What is one effect of running a diesel engine at too cool a temperature? o (A) Excessive fuel consumption o (B) Foaming of the lubricating oil (C) Buildup of sludge in the lubricating system o (D) Severe heat stresses on mechanical parts 9. According to the regulations for lifeboat falls, which action must be taken at 30-month intervals? o (A) Inspected (B) End-for-ended o (C) Renewed o (D) Weight tested Page 3 of 13

4 10. A vessel that does not possess any reserve buoyancy will sink. Which of the following is considered a direct measure of reserve buoyancy? (A) The vessel's freeboard o (B) The vessel's permeability o (C) The vessel's LBP o (D) The vessel's floodable length If choice A is selected set score to 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 12. 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 13. You have abandoned ship and find yourself aboard a lifeboat in a heavy sea. Your boat is able to make way through the water. Which action should you take to prevent broaching? o (A) Place everyone as far forward in the boat as possible to keep the bow heavy o (B) Take no action to prevent broaching as this is a recommended maneuver in a heavy sea o (C) Put the sea on your stern and run as fast as the boat will go (D) Head the boat into the swells to take them at a 30 to 40 degree angle on either bow and run as slow as possible without losing steerage 14. 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 Page 4 of 13

5 15. 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 16. Which statement is TRUE concerning an inflatable liferaft? o (A) Crew members can jump into the raft without damaging it. o (B) The floor may be inflated for insulation from cold water. o (C) The raft may be boarded before it is fully inflated. (D) All of the above 17. Which statement is TRUE concerning distress signals in a lifeboat? o (A) If hand-held rocket-propelled parachute flares are provided, they are the only distress signals required in a lifeboat (B) Parachute flares, hand held flares and orange smoke signals are required in a lifeboat o (C) Two hand-held smoke signals and two parachute flare are required in a lifeboat o (D) A Very pistol with twelve flares is required in a lifeboat 18. 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 19. 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 Page 5 of 13

6 20. 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 21. 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. 22. Which is TRUE concerning immersion suits and their use? o (A) Only a light layer of clothing may be worn underneath. o (B) A puncture in the suit will not appreciably reduce its value. o (C) They should be tight fitting. (D) They provide sufficient flotation to do away with the necessity of wearing a life jacket. 23. 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. 24. When a wind force causes a vessel to heel to a static angle, the. o (A) deck-edge immersion occurs o (B) center of buoyancy remains the same o (C) centers of buoyancy and gravity are in the same vertical line (D) righting moment equals the wind-heeling moment Page 6 of 13

7 25. Your vessel is discharging containers from the main deck with the ship's cranes. Which of the following must be taken into account when calculating the center of gravity as the containers are discharged? o (A) The vertical distance from the main deck plus the height of the container o (B) The vertical distance from the main deck plus half the height of the container (C) The vertical distance from the main deck plus the vertical distance to the head of the boom o (D) The vertical distance from the main deck to the heel of the boom plus half the height of the container 26. On a tankship, who is responsible for the sanitary inspections of the crew's quarters? o (A) Master and Second Mate o (B) Master and Chief Mate (C) Master and Chief Engineer o (D) Master and union delegate 27. 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. If choice A is selected set score to 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 Page 7 of 13

8 29. 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. 30. 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 31. 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 32. 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 33. 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 If choice A is selected set score to 1. Page 8 of 13

9 34. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the. o (A) center of flotation o (B) amidships station o (C) geometric center of the waterplane area (D) center of gravity 35. Which officer is responsible for the sanitary condition of the engineering department? o (A) First Assistant o (B) Chief Mate (C) Chief Engineer o (D) Master 36. A floating vessel will behave as if all of its weight is acting downward through which point? o (A) The center of buoyancy o (B) The center of flotation (C) The center of gravity o (D) The metacenter 37. 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 38. Fire dampers prevent the spread of fire by. o (A) radiation o (B) conduction (C) convection o (D) direct contact Page 9 of 13

10 39. 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 If choice A is selected set score to 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 41. Which term defines the horizontal fore-and-aft movement of a vessel? o (A) Sway (B) Surge o (C) Heave o (D) Yaw 42. 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 43. According to the SOLAS regulations, lifeboat falls must be renewed at intervals of how many years? o (A) 2.5 o (B) 3 o (C) 4 (D) 5 Page 10 of 13

11 44. 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 45. 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 46. When a rescue vessel approaches a survival craft in heavy seas, which action should the person in charge of the survival craft take? o (A) Tie up to the rescue vessel o (B) Transfer all personnel immediately o (C) Transfer only those personnel who are not seasick (D) Wait for calmer weather before transferring personnel 47. 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 48. 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 If choice A is selected set score to 1. Page 11 of 13

12 49. The vertical motion of a floating vessel in which the entire hull is lifted by the force of the sea is known by which term? (A) Heave o (B) Pitch o (C) Surge o (D) Sway If choice A is selected set score to 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 Page 12 of 13

13 National Maritime Center Providing Credentials to Mariners D025DG 5/23/2016 Adapted for testing purposes only Further reproduction prohibited without permission Page 13 of 13