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.
15: Floors aboard ship are __________.
Y a. frames to which the tank top and bottom shell are fastened on a double bottomed ship N b. transverse members of the ships frame which support the decks N c. longitudinal beams in the extreme bottom of a ship from which the ship's ribs start N d. longitudinal angle bars fastened to a surface for strength 44: You are using an automatic tension winch by yourself. If you get caught in the turns of the line as they lead into the gypsyhead __________.
N a. the safety cutout will stop the winch before you're injured N b. the line will part and snap back Y c. you may be pulled into the winch and injured or killed N d. None of the above are correct 70: You are on a tankship designed to carry molten sulfur. Which statement is TRUE?
N a. There must be two portable toxic vapor detectors on board. N b. The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. Y c. Cargo temperature may be taken by portable thermometers. N d. The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. 128: Which is characteristic of a "special cargo"?
N a. The cargo gives off toxic gases when heated. N b. Periodic inspection is required while in transit to prevent spoilage. Y c. It is of high value or easily pilferable. N d. It must be stowed on deck. 174: A proper look-out must be kept __________.
N a. only in fog N b. only between the hours of sunset and sunrise N c. only when entering and leaving port Y d. at all times 280: Your ship is in a neutral port when full Naval Control of Shipping is established. You may expect to be boarded and instructed by a(n) __________.
N a. U.S. Naval Control of Shipping Officer N b. allied Naval Control of Shipping Officer N c. Consular Shipping Advisors (CONSA) Y d. Any of the above 404: A vessel's "quarter" is that section which is __________.
N a. abeam N b. dead astern N c. just aft of the bow Y d. on either side of the stern 482: A lot of special cargo of similar cartons is to be loaded aboard your vessel. You examine one of the cartons of the lot shown. What is the total cubic space the consignment will occupy? (Assume no broken stowage.) (D042DG )
N a. 51 cubic feet (1.5 cubic meters) Y b. 58 cubic feet (1.7 cubic meters) N c. 336 cubic feet (10 cubic meters) N d. 700 cubic feet (21 cubic meters) 498: When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
N a. energize the exhaust blowers N b. energize the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.
N a. enrollment N b. license Y c. registry N d. sea letter 518: Which factor is MOST important in preventing sweat damage within a cargo hold?
Y a. Dew point of the cargo hold N b. Dew point of the outside atmosphere N c. Outside air temperature N d. Temperature of the cargo 533: A towing hook may be released from the __________.
N a. tug's engineroom or the bow Y b. pilot house or aft steering station N c. forecastle N d. towing bitts by reaching over and releasing a lever 736: You notice that your speed has decreased, the stern of your vessel has settled into the water, and your rudder is sluggish in responding. The MOST likely cause is __________.
N a. mechanical problems with the steering gear Y b. shallow water N c. loss of lubricating oil in the engine N d. current 761: The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?
N a. Cargo Manifest Y b. Certified Crew List N c. Curio List N d. Shipping Articles 778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?
N a. 15 N b. 45 N c. 133 Y d. 149 785: With rudders amidships and negligible wind, a twin-screw vessel moving ahead on the port screw and backing on the starboard screw will __________.
N a. move in a straight line Y b. pivot to starboard N c. pivot to port N d. walk sideways to starboard 811: When oily ballast has been pumped overboard, an entry must be made in the __________.
Y a. Oil Record Book N b. Official Logbook N c. deck rough log N d. engine rough log 886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?
N a. Your speed will significantly increase. N b. Your draft will significantly decrease. Y c. Your bow will sheer towards the other vessel. N d. Your bow will sheer away from the other vessel. 895: Which factor would NOT lead to removing a towline from service?
N a. An excessive number of miles of towing service. N b. Failing a tensile strength test that proved the towline was no longer appropriate for expected sea conditions. Y c. When heavy grease on the towline saturates the core of the wire rope. N d. Its surface condition is noted, including its corrosion and discoloration. 928: Which of the signals listed is required to be displayed during the day while bunkering?
Y a. A red flag N b. A yellow flag N c. A red and yellow flag N d. A red light 945: After having been pulled aloft in a bosun's chair on a mast, you must now make yourself fast in the chair prior to painting the mast. You should first __________.
N a. have the sailor on deck make the hauling part fast to a cleat on the mast N b. make the tail of the line leading from the becket bend fast to a padeye on the mast Y c. seize the hauling part and the standing part firmly in one hand to support your weight N d. frap yourself to the mast to take the strain off the hauling part 1231: What is NOT a condition for a salvage claim?
N a. The property saved must be "maritime property." Y b. The salvors must save or attempt to save any life in peril. N c. The salvage service must be voluntary. N d. The property must be in peril. 1238: A contract of affreightment is a __________.
Y a. Bill of Lading N b. Bottomry Bond N c. manifest N d. Portage Bill 1250: The floors in a vessel's hull structure are kept from tripping, or folding over, by __________.
N a. face plates Y b. bottom longitudinals N c. longitudinal deck beams N d. transverse deck beams 1258: While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's stern lines to part. The stern begins to fall away from the dock, and no tugs are immediately available. Which measure(s) should you take FIRST?
N a. Notify the engineroom of the need for propulsion. Y b. Shut down any cargo transfer that's in progress. N c. Let go the port anchor and veer to a short scope of chain. N d. Obtain assistance from the terminal to put new stern lines out. 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" 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
N a. Tensile N b. Compression Y c. Shear N d. Strain 1452: The helm command "Check her" means __________.
N a. test the steering control N b. read the compass heading N c. stop the swing using hard over rudder Y d. slow the swing using moderate rudder 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 1615: A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is __________.
N a. tow strain N b. catenary length Y c. being in step N d. Williamson's Tow 1647: Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys?
N a. The Maritime Defense Zone Sector Y b. The Operational Control Authority N c. The National Shipping Authority N d. Any Navy Command 1742: You should conduct a sector search under which of the following circumstances?
Y a. The search target is sighted and then lost. N b. More than one vessel is available for a search. N c. The search object is a target that will be readily detected by radar. N d. An aircraft is available to assist a surface vessel. 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 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 1888: How many legs does the bridle for an ocean tow have?
N a. One Y b. Two N c. Three N d. Four 2060: In polar regions you should NOT expect to see __________.
N a. mirage effects N b. sea smoke Y c. extensive snowfall N d. false horizons 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 2213: You are using tackle number 6 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. Disregarding friction, what is the mechanical advantage of this rig? (DO29DG )
N a. 11 N b. 16 Y c. 18 N d. 24 2228: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed. Based on this data what is the transfer for a turn of 60°? (D035DG )
Y a. 140 yards (126 meters) N b. 180 yards (162 meters) N c. 225 yards (203 meters) N d. 270 yards (243 meters) 2464: Which term describes a part of a natural fiber line?
Y a. Yarns N b. Twines N c. Lacings N d. Lays 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 freely 2704: The legs of a tow bridle are joined together with a __________.
N a. bridle plate N b. shackle Y c. fishplate N d. tri-link 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 3081: A seaman is entitled by law to a release from Foreign Articles when __________.
N a. intoxicated N b. deductions are made from wages N c. injured Y d. the vessel is overloaded 3104: When maneuvering a heavy barge up a wide channel with a tug, the tow may be most closely controlled by making up to the barge __________.
N a. with a short tow astern N b. nearly bow to bow, at a small angle N c. amidships, parallel to the barge Y d. nearly stern to stern, at a small angle to the barge 3105: On a sea going towing vessel of 150 GT, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?
Y a. 4 N b. 3 N c. 2 N d. 1 3110: The number or name of a tank barge shall be __________.
N a. displayed in at least 4 different positions on the barge N b. carved on a wooden board and attached to the barge's hull N c. displayed as close to the navigation lights as possible Y d. displayed at the highest point of the barge's hull such that it can be seen from either side 3230: After a collision or accident involving an uninspected vessel, regulations require that the operator assist persons affected, but only if the operator can do so without __________.
N a. further damaging the other vessel N b. undue delay Y c. serious danger to his or her own vessel N d. creating a panic on either vessel 3286: The signal man assisting the crane operator has his arm extended, with the thumb pointing up, and is flexing his fingers in and out for as long as the load movement is desired. This is the signal to __________.
N a. lower the boom and raise the load Y b. raise the boom and lower the load N c. lower the boom and lower the load N d. raise the boom and raise the load 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 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 3582: What term indicates the length measured along the summer load line from the intersection of that load line with the foreside of the stem and the intersection of that load line with the after side of the rudder post?
N a. Length overall N b. Register length Y c. Length between perpendiculars N d. Length on the waterline 3680: What is the penalty for willfully damaging cargo?
Y a. Forfeiture of wages equal to the value of the damage and, if ordered by the court, imprisonment for not more than 12 months N b. Fine equal to the value of the damage plus a 1000 dollar penalty and/or imprisonment not to exceed 2 years N c. Fine not to exceed the value of the damage and/or imprisonment not to exceed 18 months N d. Revocation of Merchant Mariner's Document (and license if applicable), fine equal to the value of the damage or imprisonment for not more than 2 years 3982: Fairleads perform the same function as __________.
N a. deadeyes N b. bollards N c. bitts Y d. chocks 4047: Your vessel is to dock bow in at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Inshore head line Y b. Bow spring line N c. Stern breast line N d. Bow breast line 4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.
N a. has great strength N b. is very supple Y c. floats N d. absorbs shock by stretching 4133: What is used when securing light vehicles aboard Ro-Ro vessels?
N a. Chain lever or turnbuckle N b. Chain N c. Wire Y d. None of these 4248: Which of the following statements is/are TRUE regarding crane operations?
Y a. The crane operator and signalman must be familiar with hand signals. N b. The cranes can be operated from shoreside. N c. The cranes can be operated from the bridge. N d. All of the above 4252: Which action(s) is/are included in crane operations?
N a. Normal boom stowage and shutdown operations N b. Emergency shutdown operation N c. Removing booms from stowage Y d. All of the above