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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 107: When may a seaman on a vessel engaged in foreign trade be paid before earning the wages?
Y a. The seaman may only draw an advance on earned wages. N b. Wages up to fifty percent of the seaman's base wage maybe advanced upon proof of serious family illness. N c. Wages equivalent to three days base wage may be advanced upon arrival in a foreign port. N d. The advance of wages is at the discretion of the master; however, a seaman cannot be in an overpaid status at signoff. 136: Under the federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?
N a. .18% BAC N b. .10% BAC N c. .06% BAC Y d. .04% BAC 154: A look-out at the bow sights an object on your port side. How many bell strokes should he sound?
N a. One Y b. Two N c. Three N d. Four 213: You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in docking. The amount of chain you should pay out is __________.
N a. 5 to 7 times the depth of the water Y b. 1 1/2 to 2 times the depth of the water N c. equal to the depth of the water N d. you should NEVER use the anchor to help in docking 218: What is the main purpose of dunnage?
N a. To act as ballast for light vessels Y b. To provide ventilation and drainage for cargo N c. To secure the tarpaulins in place N d. To support weakened bulkheads 238: A shore is a piece of securing dunnage that __________.
Y a. runs from a low supporting level up to the cargo at an angle N b. is also known as a "distance piece" N c. is placed on the deck under the cargo to distribute its weight evenly N d. is run horizontally from a support to the cargo 254: "Ease the rudder" means to __________.
N a. move the rudder slowly in the direction of the most recent rudder command N b. bring the rudder amidships Y c. decrease the rudder angle N d. steer the course which is your present heading 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 331: Shipping articles are a contract of agreement between the members of the crew and the __________.
N a. charterers N b. Coast Guard Y c. Master N d. vessel's owner 418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?
N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required. Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation. N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed. N d. The possibility of any sweat problem, either cargo or ship, is remote. 432: A licensed Master of Towing Vessels may NOT serve as the person in charge of which towing vessel?
N a. 99 GRT towing vessel operating on Chesapeake Bay N b. 199 GRT towing vessel operating in the Gulf of Alaska N c. 480 GRT towboat operating on the Western Rivers Y d. 405 GRT towing vessel operating between Florida and the US Virgin Islands 467: Of which type of material may a towing hawser be constructed?
N a. Wire rope N b. Nylon, dacron, polypropylene or a blend of other synthetic fibers N c. Manila Y d. All of the above 543: You would be most likely to use a fishplate __________.
N a. when towing alongside Y b. on a hawser tow N c. when pushing ahead or in the notch N d. when running "light boat" 548: Using the graph shown, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity? (D008DG )
N a. 55% Y b. 70% N c. 75% N d. 82% 634: The "iron mike" is a(n) __________.
N a. pilot N b. speaker N c. standby wheel Y d. automatic pilot 692: The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.
Y a. Christmas tree tow N b. tandem tow N c. British tow N d. tandem tug tow 708: The National Cargo Bureau represents the __________.
N a. agent N b. operator N c. shipper Y d. All of the above 743: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. towing arch N b. jockey bar N c. chafing bar Y d. Dutch tow bar 845: The terminology "able to understand any order spoken by the officers" refers to all of the following situations EXCEPT __________ .
N a. in response to a fire N b. directing the use of lifesaving equipment Y c. for deck department crew members to understand the terminology used in the engine room N d. in response to a man overboard 881: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. completely black out the entry and rewrite Y c. draw a line through the entry, rewrite, and initial N d. draw several lines through the entry and rewrite 919: A deepwell pump is a type of __________.
N a. screw pump Y b. centrifugal pump N c. eductor N d. gear pump 1007: When using the term "limber system" one is referring to a __________.
N a. cleaning system Y b. drainage system N c. strengthening system N d. weight reduction system 1034: You are the licensed operator of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand the language commonly used onboard the vessel?
N a. 100% Y b. 75% N c. 65% N d. 50% 1059: You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?
N a. Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned. N b. The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank. N c. The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue. Y d. Steam cleaning and water washing are both capable of generating electrostatic charges within a tank. 1071: In some cases, the 50% duty on all foreign repairs made to American flag merchant vessels may be remitted. Which work does NOT come under the remitting policy of U.S. Customs?
Y a. Chipping, painting, and scaling by foreign labor N b. Repairs to hull structural damage N c. Repairs due to damage done by heavy weather N d. Repairs to the main propulsion machinery 1087: The turning circle of a vessel is the path followed by the __________.
Y a. center of gravity N b. outermost part of the ship while making the circle N c. bow N d. tipping center 1123: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
N a. the Light List N b. the Coast Pilot N c. the International Code of Signals (PUB 102) Y d. Radio Aids to Navigation (PUB 117) 1401: A clause in the charter party requires a vessel's owner to pay dispatch money when the vessel __________.
N a. changes berths to expedite loading or discharging N b. does not load and discharge its cargo in the time specified N c. is not ready to load or discharge cargo Y d. loads and discharges its cargo in less time than specified 1501: Particular average is __________.
N a. the average distance steamed per day over the duration of the voyage N b. charges against all parties in a marine venture to pay for damages Y c. loss sustained by only one party N d. claimed after all liens against the vessel are settled 1594: What is the breaking strain of steel wire rope with a 5/8" diameter?
N a. 1.0 tons N b. 6.6 tons Y c. 9.6 tons N d. 15.6 tons 1606: To safely anchor a vessel there must be sufficient "scope" in the anchor cable. Scope is the ratio of __________.
N a. weight of cable to weight of vessel N b. weight of cable to weight of anchor N c. length of anchor to depth of water Y d. length of cable to depth of water 1654: Which knot should be used to bend two hawsers together for towing?
Y a. Double carrick bend N b. Fisherman's bend N c. Heaving line bend N d. Rolling hitch 1699: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. Y b. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N c. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N d. A seaman is injured and in the hospital for four days. 1722: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 1743: A mooring line leading at nearly right angles to the keel is a __________.
N a. bow line Y b. breast line N c. spring line N d. stern line 1863: If a mooring line should part while you are tying up at a dock, you should make a temporary eye by tying a __________.
N a. becket bend N b. clove hitch Y c. bowline N d. square knot 1886: The knot lettered R is a __________. (DO30DG )
Y a. double becket bend N b. bowline N c. fisherman's bend N d. round turn and two half hitches 1995: The single turn method of returning to a man overboard should be used ONLY if __________.
N a. the man is reported missing rather than immediately seen as he falls overboard Y b. the vessel is very maneuverable N c. the conning officer is inexperienced N d. a boat will be used to recover the man 2074: You are proceeding to a distress site. The survivors are in liferafts. What will make your ship more visible to the survivors?
N a. Steering a sinuous course N b. Steering a zig-zag course Y c. Turning on all available deck lights at night N d. Dumping debris over the side to make a trail to your vessel 2139: You are proceeding to the area of reported distress. When you arrive at the reported position, the vessel in distress is not sighted. What type of search should be conducted?
N a. Sector search Y b. Expanding square N c. Track crawl N d. Parallel track search 2167: Which statement concerning sweat damage in containers is TRUE?
N a. Sweat damage in containers is unusual due to the small enclosed volume of air. N b. In general, containerized hygroscopic cargoes are the only ones subject to sweat damage. Y c. Containers should be ventilated, dehumidified, or the contents physically protected against sweat damage. N d. Sweat damage is not a problem except in insulated and refrigerated containers. 2168: What is the name of tackle number 6? (DO29DG )
N a. Triple purchase N b. Clew garnet tackle N c. Boat falls Y d. Threefold purchase 2187: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 5. What is the mechanical advantage of this rig? (DO29DG )
Y a. 25 N b. 20 N c. 15 N d. 10 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2209: Certain cargoes must be segregated because of their __________.
Y a. inherent characteristics N b. weight N c. destination N d. danger to humans 2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 34% N b. 47% N c. 76% N d. 79% 2283: What is the area of a circle with a radius of 2 feet after a sector of 86° has been removed?
N a. 2.39 sq. ft N b. 3.02 sq. ft Y c. 9.55 sq. ft N d. 12.57 sq. ft 2509: What is the purpose of cant frames in steel vessels?
N a. To support the overhang of the stern Y b. To provide strength to shell plating at the stern N c. To add strength to the deck beams which support the weather decks N d. To support the plating of a cylindrical tank 2804: Which publication is NOT carried on board U.S. merchant vessels operating under Naval Control of Shipping?
N a. Allied Control of Shipping Manual - Guide to Masters N b. Communications Supplement Y c. Tactical Control and Routing of Merchant Vessels N d. All of the above are carried on board 2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.
N a. portions of the Chicago River N b. portions of the Calumet River Y c. the St. Lawrence River to Trois Rivieres N d. Saginaw Bay 2980: What is a step in attaching a poured metal socket to a wire rope?
Y a. Etch the wire with acid. N b. Install a wire seizing on the wire that will be inside the socket. N c. Ensure the fiber core is well lubricated. N d. Pour molten babbitt metal into the socket. 3108: How should you signal the crane operator to raise the boom?
N a. Extend arm with the thumb pointing up and flex the fingers in and out. N b. Place both fists in front of the body with the thumbs pointing upward. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y d. Extend arm with fingers closed and point thumb upward. 3328: The vertical motion of a floating vessel is known as __________.
N a. surge N b. sway Y c. heave N d. yaw 3340: It is NOT advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too difficult to make fast N c. parts too readily N d. is too susceptible to mildew 3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line 3508: A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you, you should secure the line __________.
N a. to the base of the foremast Y b. to the forward-most bitts N c. to the forward part of the deckhouse N d. at the stern 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 4063: The knot at the end of the heaving line used to pass the towing hawser is called a __________.
Y a. monkey's fist N b. ball or baseball knot N c. heaving knot N d. three strand Turk's head 4207: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
N a. Portable power swivel N b. 20-foot container spreader N c. 40-foot container spreader Y d. None of the above