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 51: You are the licensed Master of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand any order spoken by the officers?
N a. 50% N b. 65% Y c. 75% N d. 100% 100: Which statement is ALWAYS true?
Y a. Keep clear of any line that is under a strain. N b. A line will creak, make snapping sounds, and smoke before it parts. N c. Only synthetic lines will snap back after parting. N d. Stepping on the bight of a line is safer than stepping in the bight of a line. 127: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )
Y a. breast line N b. shore line N c. spring line N d. stern line 406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?
N a. If one screw is stopped, the ship will turn toward the side of the stopped screw. N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder. Y c. Turning response by use of the rudder only is greater than on a single-screw vessel. N d. With the rudder amidships, the ship will steer a fairly steady course. 514: The part of an anchor which takes hold on the bottom is the __________.
N a. arm N b. base Y c. fluke N d. stock 573: An ocean towing bridle whose legs are of equal length, but too short, may __________.
Y a. fail to provide spring in the hawser N b. cause unequal distribution of the load to one leg N c. cause the bridle legs to jump clear of the chocks or fairleads N d. None of the above 595: The turning circle of a vessel is the path followed by the __________.
N a. outermost part of the ship while making the circle Y b. center of gravity N c. bow N d. tipping center 620: You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?
Y a. Open-bed containers may be used to transport hazardous materials if the cargo is properly secured. N b. A portable cargo tank of a flammable, cryogenic liquid may not be in transit for a period exceeding its marked rated holding time unless the liquid is inhibited. N c. A portable cargo tank containing a cryogenic liquid must be shipped on deck unless forced ventilation is provided to the decks-decks. N d. A container loaded with packages of tear gas would display a placard reading "Irritant." 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 860: Which category of able seaman is not authorized to be counted as an able seaman on a seagoing tug of over 100 gross tons?
N a. Unlimited N b. Limited N c. Special Y d. Special (OSV) 872: In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, when the __________.
Y a. injury requires immediate inpatient hospitalization of the seaman N b. Master authorizes the agent to act in his place N c. ship is still in port and the seaman can appear before the Consul after medical treatment N d. seaman also consents to the absence, and there is no dispute as to the wages due 885: How many wire clips must be used to make a temporary repair to a tow wire?
N a. 3 N b. 4 Y c. 5 N d. Wire clips are never, under any circumstances, permitted 927: 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 above 934: Which method is used to detect rot in manila lines?
Y a. Opening the strands and examining the inner fibers N b. Measuring the reduction in circumference of the line N c. Observing for the appearance of mildew on the outer surface N d. Feeling the surface of the line for broken fibers 968: The Master may have his/her license suspended or revoked for __________.
N a. carrying stowaways N b. sailing shorthanded Y c. being negligent N d. All of the above 1238: A contract of affreightment is a __________.
Y a. Bill of Lading N b. Bottomry Bond N c. manifest N d. Portage Bill 1256: You are docking an oceangoing single-screw vessel under normal circumstances with a single tug. The tug is usually used to __________.
Y a. control the bow and is tied to the offshore bow N b. control the stern and is tied to the stern on the offshore side N c. pull the vessel into the slip and is tied to the bow N d. push the ship bodily alongside and is tied to the offshore side amidships 1475: As shown, the mooring line labeled "G" is called a(n) __________. (DO44DG )
N a. forward spring line N b. offshore bow line N c. forward breast line Y d. inshore bow line 1571: As Chief Officer of a vessel underway, it comes to your attention that the vessel is, in some manner, unseaworthy. Under such circumstances the Master is required to take action upon receiving __________.
N a. information of such condition from yourself Y b. notification of such condition from yourself and the Second Officer N c. notification of such condition from yourself and any other member of the crew N d. notification of such condition from yourself or the Second Officer 1573: Which statement about splices is TRUE?
N a. A back splice is used to permanently connect two lines together. Y b. A long splice is used to connect two lines that will pass through narrow openings. N c. A short splice is used to temporarily connect two lines. N d. In splicing fiber rope, you would splice with the lay of the line. 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 1617: Using the graph in illustration D008DG, if the dry bulb temperature is 84°, and the wet bulb temperature is 81°, what is the relative humidity in a cargo hold? (D008DG )
N a. 71% N b. 79% N c. 81% Y d. 87% 1619: A periodic thorough examination of the cargo gear proves satisfactory. What percentage of the total gear must be dismantled to determine actual internal condition?
Y a. None N b. 10% N c. 25% N d. 100% 1723: What is meant by the term "two-blocked"?
Y a. The bottom block touches the top block. N b. The line has jumped the sheaves. N c. There are turns in the fall. N d. You have two blocks. 1841: If a tow sinks in shallow water, you should __________.
N a. release it immediately N b. attempt to beach it before it goes under Y c. pay out cable until it's on the bottom and place a buoy on the upper end N d. shorten cable to keep it off the bottom 1868: When being towed by one tug, the towing bridle should be connected to towing __________.
Y a. bitts with figure eights N b. pad eyes with pelican hooks N c. pad eyes with safety hooks N d. All of the above 1881: In time of war Naval Control of Shipping Authorities may give orders concerning the __________.
N a. cargo to be loaded N b. final destination Y c. ship's route N d. All of the above 1956: Which lien against a vessel would be settled FIRST?
N a. Maintenance and cure N b. Vessel mortgage Y c. Salvage lien N d. Ship repairer's lien 2121: Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?
Y a. Stack weights should be less when using a solid bar lashing as compared to a wire lashing. N b. Stack heights may be increased when using a solid bar lashing. N c. Stack heights should be reduced when using a solid bar lashing. N d. Solid bars should be used for lashing the first tier only, with wire lashings on the higher tier(s). 2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence. Y b. The CSS must be established by mutual agreement between the ships concerned. N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present. N d. The first vessel to arrive at the distress incident is designated as the CSS. 2180: The weight of the container and its contents is supported on deck by what part(s)?
Y a. Four lower corner castings N b. Bottom, side, and end rails N c. Bottom flooring, side, and end rails N d. Bottom flooring only 2214: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 90°? (D034DG )
N a. 820 yards Y b. 870 yards N c. 930 yards N d. 975 yards 2219: You are using tackle number 5 to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 50 lbs. N b. 75 lbs. Y c. 90 lbs. N d. 112 lbs. 2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?
N a. 3.90 sq. ft N b. 8.67 sq. ft Y c. 34.77 sq. ft N d. 50.27 sq. ft 2284: In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the __________.
N a. charted depth of water only Y b. depth of water, including tidal differences N c. type of line being used for the anchor rope N d. type of anchor being used 2336: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
N a. engine(s) crash astern, no turn N b. two 180°Turns N c. a Williamson Turn Y d. a single turn with hard rudder 2520: When a line is spirally coiled about its end and lying flat on deck, it is said to be __________.
N a. coiled N b. faked Y c. flemished N d. seized 2548: What is the accepted standard for wire rope falls used in connection with the lifeboat gear?
N a. Six by seven galvanized wire rope N b. Six by twenty-four improved plow steel wire rope N c. Six by thirty-seven preformed fiber-core wire rope Y d. Six by nineteen regular-lay filler wire rope 2564: The major components which determine the length of catenary in a deployed anchor cable are water depth, cable tension, and __________.
N a. environmental forces N b. bottom conditions Y c. cable weight N d. water density 2594: Which is NOT an advantage of the flush method of welded shell plating?
N a. Reduces weight N b. Reduces frictional resistance N c. Keeps practically 100% of tensile strength at the joints Y d. Reduces plate stress 2738: Assume that your vessel has just entered Lake Michigan via the Straits of Mackinac and is proceeding south to Chicago. Which statement is TRUE with respect to the aids to navigation you will encounter along this route?
N a. Aids to navigation are serviced jointly by the U.S. and Canadian Coast Guard. Y b. Red buoys should be passed down your starboard side. N c. Green buoys mark the location of wrecks or obstructions which must be passed by keeping the buoy on the right hand. N d. All solid colored buoys are numbered, the red buoys bearing odd numbers and green buoys bearing even numbers. 2832: You are transiting the Straits of Mackinac by way of an improved channel. You have information which indicates that the channel's Federal project depth is 28 ft. Which of the following statements is true with regards to this channel?
N a. The least depth within the limits of the channel is 28 ft. Y b. The design dredging depth of the channel is 28 ft. N c. The channel has 28 ft. in the center but lesser depths may exist in the remainder of the channel. N d. The maximum depth which may be expected within the limits of the channel is 28 ft. 2836: Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?
Y a. Lake Superior N b. Lake Michigan N c. Lake Huron N d. Lake Ontario 2933: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Stern breast line Y b. Bow spring line N c. Bow breast line N d. Inshore head line 2969: Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in __________.
N a. summer and early autumn N b. autumn and early winter N c. winter and early spring Y d. spring and early summer 2976: Which statement is TRUE with respect to shiphandling procedures in ice?
N a. Never go "full astern" at any time while in ice. Y b. Go astern in ice with extreme care - always with rudder amidships. N c. Enter ice at medium speeds to reduce impact. N d. The presence of a snow cover on the ice assists a vessel's progress through an ice field. 3173: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 10 minutes if possible N d. 30 minutes to 1 hour 3282: What term indicates the immersed body of the vessel aft of the parallel mid-body?
Y a. Run N b. Stern N c. Counter N d. Flow 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 3466: What is a spill pipe?
N a. A drainage pipe that carries rain or spray from an upper deck to a lower deck Y b. A pipe under the anchor windlass leading to the chain locker N c. A chute, usually over the stern, to lead dumped garbage clear of the hull N d. An opening in the deck leading outside the hull 3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
N a. The stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°. 3691: On the cargo manifest, the gross weight of a box containing cargo is the weight of the __________.
N a. cargo N b. box Y c. cargo and box N d. rate weight 4050: You are on a 120,000 DWT loaded bulk carrier. When anchoring without the aid of tugs, your maximum speed should not exceed how many feet per second?
Y a. 0.5 (0.3 knot) N b. 1.0 (0.6 knot) N c. 1.3 (0.8 knot) N d. 1.75 (1.0 knot) 4066: What is the MOST irritating to the skin?
N a. Carbon disulfide N b. Ethyl alcohol N c. Isoprene Y d. Oleum 4121: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. rolling N b. pitching N c. heaving Y d. All of the above 4123: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. any force of gravity acting on the lashes N b. rolling N c. pitching Y d. All of the above 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle 4215: The electrical components for each single crane are installed in its __________.
N a. crane house N b. machinery base N c. turntable Y d. All of the above 4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block