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.
5: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.
N a. give full left rudder Y b. give full right rudder N c. put the rudder amidships N d. throw a life ring to mark the spot 47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 122: You may be able to avoid loss of suction in a pump by __________.
N a. using a full tank to keep the pump primed N b. opening the vent cock on the pump N c. closing down on the tank valve Y d. All of the above 188: Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?
N a. Canned soups packaged in crates N b. Cardboard cartons of shoes N c. Paper products packaged in rolls Y d. Refrigerated fruit that is ripening 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. 417: When inspecting wire rope that has been in use for some time, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 471: The official identification of a vessel is found in the __________.
N a. Certificate of Inspection N b. Classification Certificate N c. Load Line Certificate Y d. Certificate of Documentation 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" 720: You suspect that a crewmember has fallen overboard during the night and immediately execute a Williamson turn. What is the primary advantage of this maneuver under these circumstances?
Y a. You will be on a reciprocal course and nearly on the track-line run during the night. N b. The turn provides the maximum coverage of the area to be searched. N c. The turn enables you to reverse course in the shortest possible time. N d. You have extra time to maneuver in attempting to close in on the man for rescue. 771: What does a Visaed Alien Crew List which is made and submitted to the U.S. Consul for visa show?
N a. All aliens aboard N b. All crew members Y c. Nonresident aliens aboard N d. Registered aliens aboard 794: "White Line" is made from __________.
Y a. cotton N b. hemp N c. manila N d. sisal 835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?
Y a. 50% N b. 65% N c. 75% N d. 100% 851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?
N a. The maintenance of an Official Logbook is optional. N b. The vessel must be on foreign articles. N c. This is considered a coastwise voyage. Y d. An Official Logbook must be maintained. 855: Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?
N a. The owner of the vessel N b. The company operating the vessel Y c. The Master of the vessel N d. The company chartering the vessel 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 951: The responsibility for maintaining the Official Logbook on voyages between the Atlantic and Pacific coasts of the United States rests with the __________.
N a. Chief Mate of the vessel Y b. Master of the vessel N c. Deck Officer of the watch at the time of the occurrence N d. Purser of the vessel 969: A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 80°F (27°C), and it has a coefficient of expansion of .0008. The net amount of cargo loaded is __________.
Y a. 8,856 barrels N b. 8,944 barrels N c. 9,072 barrels N d. 9,144 barrels 1001: Which is supplied to the vessel by the U.S. Coast Guard?
N a. Bell book N b. Cargo gear register Y c. Official Logbook N d. Rough Logbook 1069: Which step is NOT generally taken when gas-freeing a tank?
N a. Washing the tank interior with sea water Y b. Application of degreasing solvents N c. Removal of corrosion products and sludge N d. Fresh air ventilation 1114: What type of stopper would you use on a nylon mooring line?
N a. Chain Y b. Nylon N c. Manila N d. Wire 1212: What is NOT characteristic of the conditions which would be experienced by a vessel located southeast of an approaching eastward-moving storm center on the Great Lakes?
Y a. Falling barometer N b. A westerly wind N c. Lowering clouds N d. Rain or snow 1215: What is an advantage in the use of a towing hook?
N a. To prevent the tug from becoming tripped N b. To quickly connect or release a tow, especially a sinking tow N c. To facilitate berthing maneuvers Y d. All of the above 1357: The area indicated by the letter G is known as the __________. (D033DG )
N a. entrance N b. stringer plate Y c. turn of the bilge N d. garboard 1478: What does "in step" refer to in regards to towing?
N a. The towed vessel follows exactly in the wake of the towing vessel. N b. There is no catenary in the towing hawser. N c. When turning, both the towed and towing vessels turn at the same time. Y d. Both the towed and towing vessels reach a wave crest or trough at the same time. 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 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1769: Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vertical. What is the stress on each fall?
Y a. Port 1.5 tons, starboard 1.0 tons N b. Port 1.5 tons, starboard 1.5 tons N c. Port 1.7 tons, starboard 1.3 tons N d. Port 1.7 tons, starboard 2.0 tons 1771: The agency which assigns load lines and issues Load Line Certificates is the __________.
Y a. American Bureau of Shipping N b. Secretary of Commerce N c. U.S. Customs N d. U.S. Coast Guard 1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?
N a. Alteration Y b. Deviation N c. Liberty N d. Unscheduled stop 1860: A towline should be fastened to __________.
N a. the chocks at the bow of a towed vessel N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail N c. the mast of a towed sailboat Y d. a secure fitting near the bow of the towed vessel 1902: The joint indicated by letter D is a __________. (D033DG )
N a. seam Y b. butt N c. span N d. sheet line 2077: While assigned to a 150 GRT vessel, you are required to sign "foreign" articles on a voyage from New Orleans to which port?
N a. Houston, Texas N b. Veracruz, Mexico N c. Kingston, Jamaica Y d. Cristobal Colon, Panama 2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?
N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity. Y b. Refuse to sign a Clean Bill of Lading. N c. Sign the Clean Bill of Lading and have the agent countersign it. N d. Sign a Clean Bill of lading under protest. 2163: What is the name of tackle number 7? (DO29DG )
Y a. Runner N b. Inverted whip N c. Whip N d. Single purchase 2233: The knot lettered N as shown is a __________. (DO30DG )
N a. timber hitch N b. rolling bowline Y c. stopper N d. heaving line hitch 2264: When you "end for end" a wire rope, you __________.
N a. cut off the free end and bitter end of the rope N b. splice two wire ropes together Y c. remove the wire rope from the drum and reverse it so that the free end becomes the bitter end N d. remove the wire rope from the drum and turn it over, so the wire bends in the opposite direction 2281: Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?
N a. Continue backing to scour out the bottom. N b. Wait for high tide and then try backing. Y c. Flood empty tanks to increase bottom pressure and prevent inshore creep. N d. Shift weight aft to reduce the forward draft. 2289: A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE?
Y a. The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles. N b. If the vessel was on coastwise articles, the record of discharge will be made in the Official Logbook. N c. An entry should be made in the book and a Certificate of Discharge issued to the seaman. N d. A Certificate of Discharge form should be attached to the book. 2389: What is the area of a circle with a diameter of 17 feet after a sector of 111° has been removed?
N a. 36.94 square ft. Y b. 156.99 square ft. N c. 226.98 square ft. N d. 627.47 square ft. 2521: The period of roll is the time difference between __________.
N a. zero inclination to full inclination on one side N b. full inclination on one side to full inclination on the other side Y c. full inclination on one side to the next full inclination on the same side N d. zero inclination to the next zero inclination 2626: The "grip" of a joint represents the __________.
Y a. thickness of the connected members N b. diameter of the head N c. entire length of the rivet N d. diameter of the shank 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 2726: The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?
N a. The boat should be hoisted a few inches clear of the cradle before cranking out the davits. N b. The inboard gripes should be cast off before the outboard gripes. Y c. The outboard section of the cradle must be released. N d. The tricing pendants will automatically bring the boat alongside at the embarkation deck. 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 2763: When a merchant vessel is under the Naval Control of Shipping Organization in wartime, naval authorities may give orders pertaining to __________.
N a. minimum manning standards Y b. regulations about darkening ship N c. the stowage of explosives N d. the types of cargoes permitted on board 2930: A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?
Y a. When dead in the water, it is often difficult to find the neutral position and slight headway or sternway may result. N b. When going directly from full ahead to full astern, there is complete steering control. N c. When the vessel has headway and the propeller is in neutral, there is no effect on rudder control. N d. When maneuvering in port, full ahead or astern power can usually be obtained without changing shaft RPM. 3089: How does an icebreaker normally free a ship which has become beset while navigating independently?
N a. By backing down the track and cutting out ice on either bow Y b. By approaching from the stern and crossing ahead at an angle of 20° to 30° to the beset ship's course N c. By overtaking the beset ship, running ahead and then backing down the track to the beset vessel N d. By approaching the vessel from astern and towing the beset vessel stern first 3206: The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________.
Y a. lower the boom and raise the load N b. lower the load and raise the boom N c. raise the boom and lower the load N d. raise the load and lower the boom 3378: The part of the anchor indicated by the letter F is the __________. (D038DG )
Y a. shank N b. bar N c. stock N d. shot 3394: The crown of the anchor shown is indicated by which letter? (D038DG )
N a. K N b. J Y c. H N d. G 3395: The holding power of an anchor at a given scope of cable increases when the __________.
Y a. amount of chain lying along the bottom increases N b. length of the catenary is reduced N c. mooring line tension is increased N d. amount of chain lying along the bottom decreases 3396: A tow that veers to the side on the end of the towline is said to __________.
Y a. yaw N b. surge N c. sway N d. swing 3400: In a tow made up astern, the fishplate __________.
Y a. connects the hawser to the bridle N b. connects the bridle to the tow N c. keeps the hawser amidships on the tug N d. is the capping piece on the "H" bitt 3583: Indicated horsepower refers to a towing vessel's power which is __________.
Y a. theoretically available N b. measured on a test bed N c. developed at the shaft N d. measured by dynamometer 3681: While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot Y b. obeys the Master N c. asks you for instructions N d. brings the rudder to a point midway between the two conflicting positions 4020: You are on a tankship discharging oil. When all of the oil that the main cargo pumps can handle is pumped out of a tank, the remainder is __________.
N a. stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps Y b. stripped to one tank and then pumped out with the main pumps N c. stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps N d. gravitated to the centers from the wings and pumped out with the main pumps 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4038: Which cargo would require a dangerous cargo manifest?
Y a. Cotton N b. Wheat N c. Sugar N d. Lumber 4043: When backing down with sternway, the pivot point of a vessel is __________.
N a. aft of the propellers Y b. about one-quarter of the vessel's length from the stern N c. about one-third of the vessel's length from the bow N d. at the bow 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N d. All of the above