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.
39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 43: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
Y a. after spring line N b. forward spring line N c. waist breast line N d. stern line 155: You are transporting dangerous cargo on your vessel. You must inspect this cargo __________.
Y a. daily N b. daily, at sea only N c. after encountering rough weather N d. after loading and prior to arrival in port only 215: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. Y d. It pulls the stern toward the bank. 378: In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
N a. -10°F (-23°C) and +10°F (-12°C) N b. 12°F (-11°C) and 20°F (-7°C) Y c. 28°F (-2°C) and 40°F ( 4°C) N d. 42°F (6°C) and 55°F (13°C) 470: A fiber towing hawser should be stowed __________.
Y a. in an enclosed rope locker with adequate air circulation N b. by spooling it on the winch N c. by coiling it on deck N d. by hanging it in the engineroom 507: You are signing on your crew. Which is NOT authorized?
Y a. A man presenting his Chief Mate's license to sign on as able seaman N b. An engineer presenting an MMD endorsed "QMED - any rating" to sign on as an Electrician N c. A man presenting an MMD endorsed as "Able Seaman" to sign on as Bosun N d. A man presenting an MMD endorsed "Steward's Department (F.H.)" to sign on as Chief Cook 541: The official number of a documented vessel is __________.
N a. not required to be marked anywhere on the vessel Y b. required to be permanently marked on the vessel's structure N c. required to be painted on the vessel's stern N d. required to be painted on the vessel's bow 571: You are in port A in the United States, and your Certificate of Inspection has expired. You wish to go to port B in the United States for repairs and to complete the inspection. If the Officer-in-Charge Marine Inspection deems it safe, he may issue a __________.
N a. Certificate of Seaworthiness N b. Limited Certificate of Inspection N c. Temporary Certificate of Inspection Y d. Permit to Proceed 647: Synchronous towing means that the __________.
N a. tug is on the crest of a wave while the tow is in the trough N b. tug is in the trough while the tow is riding on the crest of a wave Y c. tug and tow are both in the same relative position on different waves at the same time N d. port and starboard engines on the tug are turning at the same RPM 672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.
N a. increasing the angle of line pull to the keel axis of the tow Y b. reducing the angle of line pull to the keel axis of the tow N c. positioning the towing vessel on the forward end of the tow N d. shortening the length of the tow line 729: A petroleum liquid has a flash point of 85°F. This is a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 774: The strongest of the natural fibers is __________.
N a. cotton N b. hemp Y c. manila N d. sisal 821: The Master must maintain the Oil Record Book on board for at least __________.
N a. 1 month N b. 12 months N c. 24 months Y d. 36 months 837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?
Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements N b. While operating above the US outer continental shelf N c. On vessels operating on domestic voyages only N d. Never, under any circumstances 849: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. gate valve N b. butterfly valve N c. globe valve Y d. check valve 852: How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?
Y a. Require a demonstration by the officer and the crew member N b. Require a written test N c. Require that an interpreter be provided N d. All of the above 913: When commencing cargo operations on a container ship, one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ____________.
N a. remove an existing list that would slow down cargo operations Y b. initiate loading in conjunction with unloading at the hatch N c. improve stability during cargo operations N d. allow longshoremen easy access to the hatch 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 956: When a vessel is swinging from side to side off course due to quartering seas, the vessel is __________.
N a. broaching N b. pitchpoling N c. rolling Y d. yawing 1216: It is easier to dock a right-hand, single-screw vessel __________.
N a. starboard side to the wharf N b. either side to the wharf Y c. port side to the wharf N d. stern to the wharf 1254: Under identical load conditions, nylon, when compared with natural fiber line, will stretch __________.
N a. less and have less strength N b. more and have less strength Y c. more and have greater strength N d. less and have greater strength 1463: On a small boat, which knot is best suited for attaching a line to the ring of an anchor?
N a. Clove hitch N b. Figure-eight knot Y c. Fisherman's bend N d. Overhand knot 1488: What does the term "end-for-end" refer to in regard to a wire towing hawser?
N a. Cutting off the bitter and towing ends of the wire rope N b. Splicing two wire ropes together Y c. Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end N d. Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum 1520: A welded joint's effectiveness is considered __________.
N a. 48% N b. 90% Y c. 100% N d. 121% 1622: What is NOT an indication that pack ice may be nearby?
Y a. The presence of icebergs N b. Ice blink N c. Absence of wave motion N d. Sighting a walrus in the Arctic 1625: All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual's __________.
N a. blood Y b. breath N c. urine N d. All of the above 1694: A "whipping" is __________.
N a. a messenger N b. a stopper for nylon line N c. a U-bolt for securing a cargo whip to the winch drum Y d. turns of twine around a rope end 1713: The cheek length of a block in inches should be about __________.
Y a. three times the circumference of a manila line N b. five times the diameter of a manila line N c. twice the diameter of its sheaves for manila line N d. twenty times the diameter of a manila line 1799: The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the __________.
Y a. lifting capacity of the winch N b. location of the boom N c. position of the guy N d. weight of the load 1812: A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by the __________.
N a. American Bureau of Shipping N b. Occupational Safety and Health Administration N c. U.S. Coast Guard Y d. National Cargo Bureau 1818: When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?
N a. If one engine fails, you do not lose control of the tow. N b. It is more maneuverable. Y c. It develops more bollard pull for the same horsepower. N d. It is generally subject to more propeller damage from debris in the water. 1939: 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. 2007: The helm command "shift your rudder" means __________.
N a. double your rudder angle or go to full rudder Y b. change from right rudder to left rudder an equal number of degrees N c. bring your rudder amidships N d. check the swing of the vessel 2034: You are ordering a new block to use with a 3-inch circumference manila line. Which represents a proper size block for this line?
N a. 6-inch cheek, 4-inch sheave N b. 8-inch cheek, any size sheave Y c. 9-inch cheek, 6-inch sheave N d. At least a 12-inch sheave 2123: Your vessel is required to have a slop chest. Which of the following articles is NOT required by law to be carried in the slop chest?
N a. Foul weather clothing Y b. Candy N c. Tobacco products N d. Blankets 2196: 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 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2196: 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 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2278: You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true?
N a. Wooden covers must be laid over the bilge wells to prevent the sulfur from entering the bilges. Y b. Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations. N c. The major characteristic of this cargo is that it forms sulfuric acid upon contact with water. N d. Other hazardous material may not be stowed in the same hold as the sulfur but may be carried on deck above the hold. 2305: Which will cause a wire rope to fail?
N a. Using a medium graphite grease as a lubricant N b. Operating a winch too slow Y c. Using a sheave with an undersized throat N d. A sheave diameter of 24 times the wire's diameter 2488: A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?
N a. The aluminum will provide greater resistance to the spread of fire by conduction. Y b. The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals. N c. If the superstructure is stressed, an aluminum structure requires additional expansion joints to prevent fracture. N d. The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion. 2536: Wages due a seaman may be attached by the court for the __________.
N a. payment of any fines imposed by the court N b. payment of back taxes to the IRS Y c. support of a spouse N d. All of the above 2599: When several salvors are on-scene at the same time to assist a vessel that has not been abandoned, which principal governs the decision as to which one's services will be accepted?
Y a. The Master of the ship needing assistance has the absolute right to decide. N b. The first salvor on-scene has the prior claim providing he has adequate facilities to assist the vessel needing assistance. N c. The salvors must agree to a division of any salvage among themselves with the major share allotted to those doing the most work. N d. The first salvor on-scene has the absolute right to provide assistance; however, he is liable if the ship is lost due to his lack of experience, equipment, etc. 2692: Your vessel is on a voyage from Ogdensburg, NY, to Chicago, IL, via the Great Lakes. The date is October 3 of the current year. If your vessel is subject to the load line requirements, to which of her marks should she be loaded? (D031DG )
N a. Fresh water - Winter N b. Salt water - Intermediate Y c. Fresh water - Intermediate N d. Salt water - Winter 2712: Which two Great Lakes are considered hydraulically as one?
N a. Lakes Superior - Huron Y b. Lakes Michigan - Huron N c. Lakes Erie - St. Clair N d. Lakes Erie - Ontario 2824: While being assisted by an icebreaker on Lake Superior, you receive a single letter code instructing you to slow your vessel. Which signal could you use to signify that you are complying with the request?
N a. Three blasts of the whistle N b. The code flag "A" (Alpha) displayed from a halyard Y c. Four blasts of the whistle, namely 1 short 2 long and 1 short N d. The code flag "L" (Lima) displayed from a halyard 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2968: On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems on an average of every __________.
N a. two days N b. three days Y c. four days N d. five days 3010: The piping that routes an oil cargo from the manifold directly to a cargo tank and serves only one tank is known as a __________.
N a. cargo fill N b. filler line Y c. tank drop N d. branch line 3352: The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
N a. hoist the load N b. raise the boom Y c. lower the boom N d. lower the load 3447: The best method to secure a tow line to a cleat is to __________.
Y a. take a turn around the cleat, then figure-eights, and a half-hitch N b. make figure-eights, followed by a half-hitch, then a figure-eight knot N c. take a turn, a half turn, and a figure-eight N d. take several turns around the cleat only 3500: Small hull leaks can be temporarily repaired by __________.
N a. parceling N b. parbuckling Y c. caulking N d. seizing 3589: A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and __________.
N a. transportation to the port of engagement N b. one month's pay only N c. one month's pay or transportation to the nearest U.S. port, whichever is the least amount Y d. one month's pay or transportation to the nearest U.S. port, whichever is the greater amount 4028: Which statement about the carriage of coal is true?
N a. Most problems with spontaneous combustion will occur within 72 hours of loading and after that the risk decreases. N b. Wet coal is more liable to spontaneous heating than dry coal. N c. Coal absorbs nitrogen from the air which reacts with methane and causes spontaneous heating. Y d. Freshly worked coal is more dangerous than weathered coal. 4061: The two factors which make underwater hull repair difficult are accessibility and the __________.
N a. availability of tools N b. shape of the hull Y c. pressure exerted by the water N d. threat of progressive flooding 4120: Which of the following is considered auxiliary securing equipment that provides extra reliability to lashing in Ro-Ro transport operations?
N a. Trailer trestles N b. Pedestals N c. Wheel chocks Y d. All of the above 4140: The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it __________.
N a. deteriorates in sunlight N b. cuts on sharp edges N c. is vulnerable to damage and pilferage Y d. All of the above 4181: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?
N a. Wire rope. Y b. Chain N c. Webbing N d. All of the above 4187: Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?
N a. Start ventilation, lower the ramp, notify engine room N b. Lower the ramp, start ventilation, notify engine room Y c. Notify engine room, lower the ramp, start ventilation N d. Start ventilation, notify engine room, lower the ramp 4222: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Equalizing beam N b. Hoist fall spreader Y c. Rider block N d. Block/hook assembly