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.
27: Under title 46 of the United States Code, the person in charge of a documented vessel who fails to report a complaint of a sexual offense may be __________.
Y a. fined up to $5,000 N b. imprisoned for up to one year N c. charged with accessory to sexual assault N d. All of the above 89: Ullage measurements are taken from the top of the liquid to __________.
N a. the base of the expansion trunk N b. the base of the ullage port N c. a line scribed within the ullage port Y d. an above-deck datum, usually the top of the ullage hole 192: The mooring line labeled "H" is called a(n) __________. (DO44DG )
Y a. offshore bow line N b. onshore bow line N c. offshore spring line N d. forward breast line 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 228: Securing cargo by running timbers from an upper support down to the cargo, either vertically or at an angle, is called __________.
N a. braces N b. dunnage N c. shores Y d. toms 248: Dunnage may be used to protect a cargo from loss or damage by _______________________ .
Y a. ship's sweat N b. inherent vice N c. tainting N d. hygroscopic absorption 465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?
N a. Stringers N b. Longitudinals Y c. Transverse watertight bulkheads N d. The rake 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" 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 683: Barges and vessels are ballasted before departure to __________.
Y a. improve their stability N b. avoid polluting waters where liquid ballast may not be discharged N c. prevent free surface effects N d. allow movement of liquids within the barge for tank cleaning 685: Which type of ballast is most commonly used in barges and ships?
Y a. Water N b. Oil N c. Concrete and barite N d. Sand, rock and gravel 700: A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the __________.
N a. steamer will drift stern downwind N b. tug will drift faster than the steamer N c. tug should approach stern to Y d. tug should approach from downwind 714: Using a safety factor of 6, determine the safe working load of manila line with a breaking stress of 8 tons.
N a. 0.75 tons N b. 1.25 tons Y c. 1.33 tons N d. 8.00 tons 932: When bunkering at a dock which of the following signals must be displayed?
N a. A yellow flag by day, red light by night Y b. A red flag by day, red light by night N c. A green flag by day, green light by night N d. A red flag by day, a blue light by night 1014: In order to detect rot in manila lines, you should __________.
N a. feel the surface of the line for broken fibers N b. measure the reduction in circumference of the line N c. observe any mildew on the outer surface Y d. open the strands and examine the inner fibers 1021: A vessel's Classification Certificate is issued by the __________.
Y a. American Bureau of Shipping N b. National Cargo Bureau N c. United States Coast Guard N d. United States Customs 1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.
Y a. a check valve will close and prevent reverse circulation N b. a centrifugal counterweight counteracts the force of gravity. N c. the electric pump motor will cut out N d. the control lever will move to the stop position 1121: What should be readily available on deck while seamen are working over the side on a stage?
Y a. Rng buoy N b. Fire extinguisher N c. First aid kit N d. Stokes basket 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 1276: When moored with a Mediterranean moor, the ship should be secured to the pier by having __________.
Y a. a stern line and two quarter lines crossing under the stern N b. a stern line, 2 bow lines, and 2 quarter lines leading aft to the pier N c. all regular lines leading to the pier in opposition to the anchor N d. two bow lines and two midship lines leading aft to the pier 1277: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 4 OKTAs concentration?
N a. 25% N b. 40% Y c. 50% N d. 67% 1293: What is required to be posted in the pilothouse of a vessel?
N a. Certificate of Inspection N b. Officer's licenses N c. Company Mission Statement Y d. Muster List ("Station Bill") 1334: Close link chain of not less the 3/4" (or the wire rope equivalent) is required for lashing deck cargoes of timber. What size flexible wire rope would provide the strength equivalent to 3/4" chain, using a safety factor of 5?
N a. 9/16" Y b. 1" N c. 1 1/4" N d. 1 3/8" 1496: The purpose of a devil's claw is to __________.
Y a. act as a chain stopper N b. prevent the windlass from engaging N c. prevent the chain from fouling on deck N d. control the wildcat 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 1739: 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?
N a. 60° N b. 75° Y c. 120° N d. 150° 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 1855: Which problem is virtually impossible to detect during an in-service inspection of used anchor chain?
N a. Cracks N b. Elongation N c. Loose studs Y d. Fatigue 1858: The easiest way to anchor a vessel in a current is to __________.
N a. stem the current and make very slow headway when the anchor is dropped Y b. stem the current and be falling aft very slowly when the anchor is dropped N c. stem the current and endeavor to make neither headway nor sternway when the anchor is dropped N d. stop all headway through the water and keep the current astern when the anchor is dropped 1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 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. 57 lbs. N b. 42 lbs. N c. 39 lbs. Y d. 34 lbs. 1874: The label required for magnesium scrap is __________.
N a. oxidizer N b. yellow N c. corrosive Y d. None of the above 1945: One of your crew members falls overboard from the starboard side. You should IMMEDIATELY __________.
N a. apply left rudder Y b. throw the crew member a life preserver N c. begin backing your engines N d. position your vessel to windward and begin recovery 2001: You are using tackle number 9 in illustration DO29DG to lift a weight of 120 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. 52 lbs. Y b. 39 lbs. N c. 30 lbs. N d. 27 lbs. 2018: When towing astern, one way to reduce yawing of the tow is to __________.
Y a. trim the tow by the stern N b. trim the tow by the head N c. have the tow on an even keel N d. list the tow on the side it is yawing 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2203: A Chinese stopper (two lines) will hold best when you __________.
N a. fasten the bitter ends to the mooring line with half hitches Y b. twist the ends together and hold them in the direction of the pull N c. twist the ends together and hold them in the direction opposite to the pull N d. twist the ends together and hold them at right angles to the mooring line 2461: In writing up the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Carefully and neatly erase the entry and rewrite it correctly. Y b. Cross out the error with a single line, write the correct entry, and initial it. N c. Blot out the error completely and rewrite the entry correctly. N d. Remove this page of the log book and rewrite all entries on a clean page. 2470: Which type of bottom provides most anchors with the best holding ability?
N a. Clay and rocks N b. Soft mud Y c. Sandy mud N d. Soft sand 2486: Which weld fault can only be detected by a method that examines the internal structure of a weld?
N a. Undercut N b. Lack of reinforcement N c. Overlap Y d. Lack of penetration 2556: The type of joint formed when a third small plate is riveted over two plates butted together is called a __________.
N a. butted joint N b. lap joint Y c. strap joint N d. stringer joint 2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?
N a. If a Mate deems it necessary for ship's maintenance Y b. At the discretion of the Master, for reasonable purposes N c. On the authority of the Bosun N d. The hatch may never be uncovered 2582: What is usually NOT required in preparing a hold for reception of a bulk grain cargo?
N a. Remove residue of previous cargo. N b. Remove loose rust and scale. Y c. Steam clean areas obstructed by structural members. N d. Spray or fumigate any insect colonies. 2810: Which document lists all the lifesaving equipment required for a vessel?
Y a. Certificate of Inspection N b. American Bureau of Shipping Classification Certificate N c. International Convention for the Safety of Life at Sea Certificate N d. Certificate of Registry 2814: Your vessel is crossing a river on the Great Lakes System. A power-driven vessel is ascending the river, crossing your course from port to starboard. Which statement is TRUE?
Y a. The vessel ascending the river has the right of way. N b. Your vessel has the right of way, but you are directed not to impede the other vessel. N c. The other vessel must hold as necessary to allow you to pass. N d. You are required to propose the manner of passage. 2842: By definition, a "spar deck" is the __________.
N a. lower most continuous deck not broken by water tight bulkheads N b. after most weather deck above the main strength deck Y c. upper or weather deck above the main strength deck N d. deck of light construction below the main or strength deck 2944: Your ship is navigating independently in heavy ice when it becomes beset. Which statement is FALSE?
N a. The vessel will most likely require an icebreaker to free her. N b. The vessel may be able to free herself by pumping ballast from side to side. Y c. The propeller is more susceptible to ice damage when turning slowly than when stopped. N d. It is advisable to clear the rudder area of ice by using ahead turns before backing down. 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 3026: Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?
N a. Steam fog Y b. Advection fog N c. Radiation fog N d. Lake effect fog 3046: What is an explosion hazard when exposed to flame?
N a. Formic acid N b. Nitrous oxide N c. Tallow Y d. Toluene 3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
N a. the compensating tanks on the high side Y b. the list man changing the discharge location of the chutes N c. allowing the grain to level itself as the hold fills to the spar deck level N d. trimming the final loading cone by hand 3452: A drift lead indicates that the vessel is dragging anchor when the line is __________.
Y a. taut and leading forward N b. slack N c. leading out perpendicular to the centerline N d. leading under the hull 3492: The Master of a passenger vessel which is not required to maintain an Official Logbook must keep a record of the number of passengers received and delivered from day to day. This record must be available for a period of __________.
N a. 6 months Y b. 12 months N c. 24 months N d. 36 months 3511: The wheel on the windlass with indentations for the anchor chain is the __________.
N a. grabber Y b. wildcat N c. locking ring N d. pawl 4007: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
Y a. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N b. If the buoy is afloat, no action is necessary. N c. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
Y a. 4 shots N b. 5 shots N c. 6 shots N d. 7 shots 4157: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Duration of the voyage N b. Types of cargo units and vehicles to be carried N c. Weight of cargo units and vehicles Y d. All of the above 4210: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Luff rate limits Y b. Slew travel limits N c. Swivel power limits N d. Slew rate limits 4237: What is used to power modern pedestal cranes?
N a. Steam N b. Water Y c. Hydraulics N d. All of the above