This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck93: A lookout can leave his station __________.
Y a. only when properly relieved N b. at the end of the watch N c. 15 minutes before the end of the watch N d. at any time181: Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?
N a. Aliens may be employed except that all U.S. flag vessels must maintain no less than 90% U.S. citizens in the crew. Y b. Qualified aliens may be employed to fill the vacancies. N c. Seamen to fill vacancies must be flown from U.S. to join the vessel in the foreign port. N d. Vacancies can only be filled by U.S. citizens with valid Merchant Mariner's Documents.221: A vessel arrives in a foreign port and the Master is informed that the vessel is being sold to foreign interests. The new owners request that the crew remain on board to complete the voyage. Under these circumstances, the crew __________.
Y a. has the right to an immediate discharge and transportation to original port of engagement N b. must remain on board N c. must comply with the decision made by the Master N d. must remain aboard until the vessel is delivered to the new owners at a mutually agreed upon port284: The beam of a vessel refers to the __________.
N a. depth between decks N b. internal cubic capacity N c. molded depth of the vessel Y d. width of the vessel380: The (auto)ignition temperature is that temperature at which_______.
Y a. no spark or flame is required to ignite gas or vapor N b. a fuel begins to give off explosive vapors N c. a fuel if ignited will continue to burn N d. a 1% mixture of the fuel with air will explode517: What is the purpose of the intermediate spring?
N a. Serves as a backup for the main tow hawser in case of failure. Y b. Provides weight and flexibility to the total tow makeup. N c. Lengthens the main tow hawser to keep the tow in step. N d. Distributes the towing load.588: Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.
N a. contents of the container Y b. list of the vessel N c. size of the shoreside crane N d. weight of the container677: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. forward spring line Y b. after spring line N c. waist breast line N d. stern line787: While assigned to a 120 GRT vessel, you are required to sign "foreign" articles on a voyage from New York City to which port?
N a. Halifax, Canada Y b. Long Beach, California N c. Veracruz, Mexico N d. Saint Maarten, Netherlands Antilles865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs891: A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman, according to the regulations, __________.
N a. the Second Mate and the Master must testify as to the facts of the assault N b. the case will be dismissed if the logbook entries are improperly made Y c. the logbook entry is prima facie evidence of the facts if it complies with the law N d. the logbook is inadmissible if the logbook entries do not conform to the law891: A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman, according to the regulations, __________.
N a. the Second Mate and the Master must testify as to the facts of the assault N b. the case will be dismissed if the logbook entries are improperly made Y c. the logbook entry is prima facie evidence of the facts if it complies with the law N d. the logbook is inadmissible if the logbook entries do not conform to the law927: Sluicing or slushing wire rope __________.
N a. prevents internal and external rust and corrosion N b. reduces chafing and increases its useful service life N c. reduces internal friction within the wire Y d. All of the above952: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. Y c. Pyridine need not be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine.993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Offshore head line1006: Which action reduces the yawing of a vessel in a following sea?
N a. Increasing GM N b. Pumping out tanks aft N c. Shifting weights to the bow Y d. Shifting weights to the stern1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames1128: The most accurate account of cargo on board will be found in the __________.
N a. Manifest N b. charter party Y c. Bill of Lading N d. Portage Bill1141: A vessel has arrived in a U.S. port from a foreign voyage. Preliminary entry has been made. Formal entry at the U.S. Custom House must be made within how many hours after arrival (Sundays and holidays excepted)?
N a. 12 N b. 24 Y c. 48 N d. 72 without exception1235: You are on watch entering port while the pilot has the conn. The pilot gives a steering command to the helmsman who partially repeats the command. You should immediately __________.
Y a. repeat the Pilot's command and ensure that the helmsman repeats it completely N b. ask the Pilot to repeat the command since the helmsman failed to hear it completely N c. observe the helmsman's wheel action to be sure that it complies with the Pilot's command N d. ignore the helmsman's response as long as it was close to what the Pilot ordered1268: The S.S. Ossel Hitch arrives in Capetown, South Africa, and the Master affects a note of protest with the U.S. Consul. Why would the Master affect this document?
N a. Crew misconduct N b. Inability of vessel to comply with voyage charter N c. Suspicion of cargo pilferage by crew Y d. Suspicion of heavy weather damage to vessel or cargo1338: A "dangerous cargo manifest" is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this "manifest" from the __________.
N a. manufacturer N b. ABS N c. Coast Guard Y d. shipper1468: What will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser N b. Trimming the tow by the stern Y c. Stowing deck loads forward N d. Drogues put over the stern1468: What will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser N b. Trimming the tow by the stern Y c. Stowing deck loads forward N d. Drogues put over the stern1505: The supplement to the IOPP Certificate contains what type of data?
N a. The grades of cargo that an oil tanker is permitted to carry. Y b. A checklist of the equipment installed for controlling the discharge of oil. N c. The trade routes upon which the vessel may operate. N d. A list of the underwriters who will assume financial responsibility in the event of an oil spill.1506: The sprocket wheel in a windlass, used for heaving in the anchor, is called a __________.
N a. capstan N b. dog wheel N c. fairlead Y d. wildcat1521: An underwriter is liable for __________.
N a. loss arising from the subject itself because of its inherent qualities N b. loss caused by the ordinary evaporation of liquids Y c. loss caused by heavy weather N d. the natural decay of the vessel due to the passage of time1595: Which picture represents a barrel hitch? (DO30DG )
Y a. O N b. U N c. E N d. P1633: The strongest way to join the ends of two ropes is with a __________.
N a. back splice Y b. short splice N c. square knot N d. carrick bend1730: A disk with a horizontal line through its center, equivalent to the summer load line, is called the __________.
N a. deadrise mark N b. maximum allowable draft mark Y c. Plimsoll mark N d. tonnage mark1759: The amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90° would be __________.
N a. 1000 lbs. N b. 1154 lbs. Y c. 1414 lbs. N d. 2000 lbs.1772: What is the volume in a cone with a base diameter of 32 feet and a height of 21 feet?
N a. 8,444.60 cubic ft. N b. 7,732.81 cubic ft. Y c. 5,629.73 cubic ft. N d. 703.72 cubic ft.1791: Which factor does NOT affect the required freeboard of a cargo vessel?
N a. Season of the year N b. Geographic zone of operation N c. Density of the water Y d. Condition of trim in normal operation1939: You are on a vessel that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of the towline. Which statement is TRUE?
N a. The anchor cable should be veered enough to allow the towline connection to be just forward of your bow. N b. The anchor cable should be veered enough to allow the towline connection to be immediately astern of the towing vessel. Y c. The strain of the tow is taken by the riding pawl, chain stopper, and anchor windlass brake. N d. The anchor cable should be led out through a chock, if possible, to avoid a sharp nip at the hawsepipe lip.1967: Using the graph shown, if the dry bulb temperature is 92°, and the wet bulb temperature is 85°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 75% N b. 81% N c. 84% N d. 88%1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
Y a. 1 to 6 hours N b. 30 minutes to 1 hour N c. 3 hours to start of business the following day N d. 10 minutes if possible1981: The boom stops on a pedestal crane prevent the boom from __________.
Y a. being raised too high N b. swinging at sea N c. overloading when not in use N d. being lowered too low1994: The space indicated by the letter J is known as the __________. (D033DG )
Y a. double bottom N b. flooding barrier N c. floor space N d. bilge tank2166: A ballasted vessel sinks enroute to a dry dock. Under these circumstances, the vessel's owner can claim __________.
Y a. actual total loss N b. constructive total loss N c. general average N d. particular average2231: What is the mechanical advantage of tackle number 2? (DO29DG )
N a. 0.5 N b. 1 Y c. 2 N d. 32279: In plugging submerged holes; rags, wedges, and other materials should be used in conjunction with plugs to __________.
N a. reduce the water pressure on the hull N b. reduce the possibility of stress fractures N c. prevent progressive flooding Y d. reduce the water leaking around the plugs2348: You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?
N a. All of these cargoes are mutually compatible. N b. Benzene may not be carried in a tank adjacent to either of the other two cargoes. Y c. Allyl alcohol is incompatible with propanolamine but both are compatible with benzene. N d. Propanolamine is compatible with allyl alcohol but must be segregated from benzene.2492: When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.
N a. friction on the spring line is minimized N b. the length of the spring line is minimized N c. the head line and spring line can be worked simultaneously Y d. the tug can pivot freely2542: When loading containers into the cell guides in the hold of a container ship, which statement is TRUE?
Y a. No further securing is usually required. N b. Containers must have vertical lashings if they do not have twist lock securing. N c. All containers must have vertical and horizontal lashings. N d. The container must be locked into the cell guide.2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.
N a. hauling vertically on the line N b. making the line fast to the bitt and bringing the vessel further forward Y c. reversing the angle and direction of pull, with moderate scope N d. increasing the scope and running slowly in a wide circle with the anchor line taut2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 162776: How are aids to navigation on the Great Lakes arranged geographically?
N a. In a westerly and northerly direction, except on Lake St. Clair N b. In an easterly and southerly direction, except on Lake Erie Y c. In a westerly and northerly direction, except on Lake Michigan N d. In an easterly and southerly direction, except on the New York State Barge Canal2889: What is the minimum size required before a vessel can be documented?
Y a. 5 net tons N b. 100 gross tons N c. 26 feet length N d. 65 feet length2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.
N a. 88°F Y b. 100°F N c. 111°F N d. 119°F3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light3070: What is an advantage of a gate valve over a butterfly valve?
Y a. Less frequent maintenance N b. Faster operation N c. Cheaper N d. More compact3242: What term indicates the line drawn at the top of the flat plate keel?
Y a. Base line N b. Molded line N c. Designer's waterline N d. Keel line3321: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.
N a. one year imprisonment or $500 N b. two years imprisonment or $500 Y c. two years imprisonment or $1000 N d. two years imprisonment or $20003396: A tow that veers to the side on the end of the towline is said to __________.
Y a. yaw N b. surge N c. sway N d. swing4114: When accepting vehicles for shipment, the Master should ensure that __________.
N a. all decks intended for the stowage of vehicles are, in so far as is practicable, free from oil and grease N b. the ship has on board an adequate supply of cargo securing gear, which is maintained in sound working condition N c. vehicles are in apparent good order and condition suitable for sea transport, particularly with regards to securing Y d. All of the above4255: Which of the following statement(s) is/are TRUE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. N c. When twinned, the crane rotation on the foundation assembly is unlimited. Y d. All of the above4440: You are standing the wheelwatch when you hear the cry, "Man overboard, starboard side". You should instinctively __________.
N a. give full left rudder N b. throw a life ring to mark the spot N c. put the rudder amidships Y d. give full right rudder4875: The crane manufacturer's operating tables are posted near the __________.
N a. crane pedestal N b. wire-rope locker N c. main deck Y d. crane controls