National Maritime Center

Transcription

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. If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power, which will occur? o o (A) The load will slowly lower to the deck under control of the drag of the winch motor. (B) A pawl, forced by a spring mechanism, will engage the teeth of the bull gear and hold the load. (C) An electromagnetic brake will hold the load where it is suspended. o (D) The load will fall rapidly to the deck unless the foot brake is engaged. 2. No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the. o (A) harbormaster o (B) American Bureau of Shipping (C) local U.S. Coast Guard Captain of the Port o (D) National Cargo Bureau 3. While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. Who may be the lookout? o (A) The officer on watch o (B) The helmsman (C) Either A or B o (D) Neither A nor B 4. Which of the following is classified as a flammable liquid? o (A) Butane o (B) Mineral spirits (C) Methyl alcohol o (D) Bunker C Page 2 of 13

3 5. What should be done before energizing the cargo hold ventilation on a Ro-Ro vessel, prior to loading or discharging cargo? o (A) Call out the deck department for all hands. (B) Notify the engine room. o (C) Notify the boarding agent. o (D) All of the above 6. You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Which should be your initial response? (A) Countermand the order and immediately notify the Master o (B) Make an appropriate entry in the deck log concerning the Pilot's order o (C) Immediately sound a short ring on the general alarm o (D) Immediately call the Master and await further orders from him 7. When carrying a full or nearly full load of bulk ore in a general cargo type vessel, how should the ore be loaded? o (A) Along the centerline o (B) Toward the forward bulkhead of all holds (C) In accordance with the vessels stability information booklet o (D) Toward the after bulkhead of all holds 8. In order to reduce the accumulation of static electricity while loading petroleum products, you should. (A) start to load slowly o (B) use the overall method of loading only o (C) increase the air flow into the tank o (D) start to load at maximum pressure Page 3 of 13

4 9. You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 62,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage? o (A) 520 (B) 558 o (C) 620 o (D) Given a dry bulb temperature of 78 F and wet bulb temperature of 66.5 F, what is the dew point? o (A) 47.0 F o (B) 51.5 F (C) 59.0 F o (D) 70.0 F 11. Which wire rope purchase(s) is/are optional with a 30-Ton pedestal crane? (A) Rider block o (B) Luff o (C) Hoist o (D) All of the above Page 4 of 13

5 12. The tankship Northland is loaded as shown in table BL-0027 below. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. o (A) numeral o (B) numeral o (C) numeral (D) numeral If choice D is selected set score to What is NOT a requirement of cargo piping installed in tank vessels carrying grade D or E cargo ONLY? o o (A) Flanged joints shall be used for pipe sizes exceeding 2 inches in diameter. (B) Connections at bulkheads must be made so that the plating does not form part of a flanged joint. (C) The cargo piping system shall be fixed. o (D) Piping through bunker spaces may be run through a pipe tunnel. Page 5 of 13

6 14. You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE? o (A) The Pilot is solely responsible for the internal working of the ship. (B) The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. o (C) The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. o (D) The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. 15. Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height? (A) Lashings are always required o (B) One container o (C) Two containers o (D) Three containers 16. Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo? (A) American Bureau of Shipping o (B) OSHA o (C) U.S. Customs Service o (D) National Cargo Bureau 17. Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. Which action should you take to avoid sweat damage while on the voyage? (A) Do not ventilate the cargo holds o (B) Start the intake blowers o (C) Start the exhaust blowers o (D) Ventilate the cargo holds Page 6 of 13

7 18. You are preparing to load a heavy cargo with abnormal physical dimensions onboard your vessel. Which of the following is of primary importance when planning the load? o (A) Comparing how much cargo can be loaded on top of the abnormal units o (B) Ensuring the proper customs forms and labels are on the units o (C) Comparing the broken stowage factor of the unit to other cargo in the hold (D) Ensuring the maintenance of adequate stability throughout the voyage If choice D is selected set score to What type of ventilation is required for pumprooms on tank vessels, carrying grade C liquid cargo, with machinery spaces below the freeboard deck? (A) power ventilation o (B) gooseneck vents and flame screens o (C) at least two ducts extending to the weather deck o (D) a vent header system 20. What is the maximum number of crew members that may be berthed in one room aboard your cargo vessel? o (A) Two (B) Four o (C) Six o (D) Eight 21. Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire? (A) Dry chemical o (B) Water fog o (C) Alcohol foam o (D) Chemical foam 22. If two falls are attached to lift a one-ton load, what angle between the falls will result in the stress on each fall being equal to the load being lifted? o (A) 60 o (B) 75 (C) 120 o (D) 150 Page 7 of 13

8 23. Grade E liquids are those having a flash point of. o (A) below 150 F and above 80 F o (B) 150 F and below (C) 150 F and above o (D) below 80 F 24. How should you signal the crane operator to raise the boom? o (A) With forearm vertical and forefinger pointing up, move hand in small horizontal circles. (B) Extend arm with fingers closed and point thumb upward. o (C) Extend arm with the thumb pointing up and flex the fingers in and out. o (D) Place both fists in front of the body with the thumbs pointing upward. 25. Sweat damage in a hatch full of canned goods in cartons will occur when which condition exists? o (A) When the air temperature is higher than the temperature of the cargo o (B) When the air temperature is lower than the temperature of the cargo (C) When the dew point is higher than the temperature of the cargo o (D) When the dew point is lower than the temperature of the cargo 26. Bulk cargo refers to which of the following statements? (A) A homogeneous cargo not enclosed in a container o (B) A cargo which occupies a large volume of space on a vessel o (C) A cargo which is very dense in relation to its volume o (D) A cargo which requires refrigeration during the passage 27. Which term describes damage to cargo caused by fumes or vapors from liquids, gases, or solids? o (A) Vaporization o (B) Oxidation o (C) Contamination (D) Tainting If choice D is selected set score to 1. Page 8 of 13

9 28. A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 90 F (32 C), and it has a coefficient of expansion of What is the net amount of cargo loaded? o (A) 8856 bbls (B) 8784 bbls o (C) 8820 bbls o (D) 9216 bbls 29. Which statement about entry into a water ballast tank that has been sealed for a long time is TRUE? o (A) Sea water acts on the ship's metal and generates chlorine gas which may accumulate in poisonous quantities. (B) After ventilation and testing, and the tank is found safe for entry, someone should standby at the tank entrance while you are inside. o (C) A "buddy system" should be used where someone enters the tank with you. o (D) You should always wear a gas mask. 30. If a Master must jettison a container loaded with hazardous material, he must, as soon as possible, notify the. o (A) National Hazardous Chemical Response Center o (B) National Cargo Bureau (C) nearest Captain of the Port o (D) Environmental Protection Agency 31. The label required on containers carrying barium oxide in an international shipment must read. (A) "Poison" o (B) "Infectious Substance" o (C) "Spontaneously Combustible" o (D) "Radioactive" 32. What is the minimum number of fire pumps required on a cargo vessel of 2,000 GT? o (A) 1 (B) 2 o (C) 3 o (D) 4 Page 9 of 13

10 33. Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels? o (A) The movements experienced by road borne cargo are the same as the movements of a ship at sea. (B) The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction. o o (C) The securing of cargo on flats and trailers must be adequate to withstand road motions only. (D) It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient. 34. A marine radar system for surface navigation must be fitted on all ocean or coastwise vessels of over which tonnage? o (A) 1,400 GT o (B) 1,500 GT (C) 1,600 GT o (D) 1,700 GT 35. The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to. o (A) swing (B) stop o (C) hoist o (D) lower 36. What can be used to prevent a flammable atmosphere from occurring in a tank container? o (A) a combustion stabilizer (B) inert gas o (C) an oxidizer o (D) a vortex eliminator 37. How many fire axes should be carried by a 700 GT cargo vessel, navigating the Great Lakes? o (A) 4 (B) 6 o (C) 2 o (D) 8 Page 10 of 13

11 38. In a tank vessel constructed in 1970, carrying grade A, B, C, or D liquid cargo, what is required to isolate cargo pumps from sources of vapor ignition? (A) gastight bulkheads o (B) general cargo spaces o (C) cofferdams o (D) passageways or living quarters 39. Which of the signals listed is required to be displayed at night while bunkering at a dock? o (A) One red light over a white light (B) One red light o (C) One red light over a yellow light o (D) Two red lights 40. When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of. (A) flashpoint o (B) list o (C) trim o (D) stability 41. You must load as much of a large shipment of case goods as possible into a hold which has 24,400 cubic feet of space. Each case measures 2 feet by 2 feet by 4 feet and weighs 448 pounds. If you allow for broken stowage of 15%, how many long tons can be loaded? o (A) 54 o (B) 207 (C) 259 o (D) What purpose does a bridge fitting serve when lashing containers? (A) Restrains the container against horizontal motion o (B) Ties a container stack to the deck o (C) Ties a container to the container below it o (D) Restrains racking loads Page 11 of 13

12 43. Which defines the process of "Block stowage"? o (A) Separation cloths to separate different kinds of cargo o (B) To have the cargo on pallets (C) Stowing all the cargo for a port in the same area o (D) Using port marks on the cargo 44. A marine chemist issues gas free certificates and is certified by the. o (A) Mine Safety Appliance Association o (B) American Chemical Society (C) National Fire Protection Association o (D) Marine Chemists Association 45. Under normal weather and sea conditions when securing a stack of containers with twist locks, lashings are required when the tier exceeds what height? o (A) Three containers (B) Two containers o (C) One container o (D) Lashings are always required 46. What is a enclosure which will withstand ignition of a flammable gas, and which will prevent the transmission of any flame able to ignite a flammable gas, which may be present in the surrounding atmosphere called? o (A) gas-safe enclosure (B) explosion proof o (C) primary gas barrier o (D) a flame proof screen 47. Before welding in a tank that has carried petroleum products, the tank must be certified by. (A) a certified marine chemist o (B) the Coast Guard o (C) the shipyard fire department o (D) the American Bureau of Shipping Page 12 of 13

13 48. Which statement concerning the carriage of containers is TRUE? o (A) The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port. (B) With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers. o (C) Deck load calculations must take into account the square footage of the entire container bottom. o (D) When stowed on deck of a break bulk ship, the bottom of the container must be evenly supported throughout. 49. When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to. (A) prevent excessive longitudinal stresses o (B) control list o (C) prevent negative stability from developing o (D) provide the proper trim 50. The load chart of a crane enables the operator to combine the load radius with boom length to determine the. (A) allowable load o (B) minimum horsepower required o (C) hoist rope strength o (D) maximum counter weight required Page 13 of 13