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.
25: The turning circle of a vessel making a turn over 360 degrees is the path followed by the __________.
Y a. center of gravity N b. bow N c. bridge N d. centerline 46: Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?
N a. A fully loaded vessel will be slower to respond to the engines. N b. A fully loaded vessel will maintain her headway further. N c. A light vessel will be more affected by the wind. Y d. A light vessel loses more rudder effect in shallow water. 55: You are in charge of a U.S. documented vessel. Under title 46 of the United States Code, if you fail to report a complaint of a sexual offense, you may be __________.
N a. held personally liable by the victim and sued N b. criminally charged and jailed Y c. civilly charged and fined N d. All of the above are correct. 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 106: In relation to the turning circle of a ship, the term "kick" means the distance __________.
N a. around the circumference of the turning circle N b. gained at right angles to the original course N c. gained in the direction of the original course Y d. or throw of a vessel's stern from her line of advance upon putting the helm hard over 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 319: Static electricity may be built up by the __________.
N a. flow of petroleum through pipes N b. spraying or splashing of petroleum N c. settling of solids or water in petroleum Y d. All of the above 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 372: Keeping the draft at or below the load line mark will insure that the vessel has adequate __________.
N a. ballast Y b. reserve buoyancy N c. displacement N d. rolling periods 474: On an anchor windlass, the wheel over which the anchor chain passes is called a __________.
N a. brake compressor wheel N b. devil's claw Y c. wildcat N d. winchhead 588: Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.
N a. contents of the container Y b. list of the vessel N c. size of the shoreside crane N d. weight of the container 682: The mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line Y b. offshore bow line N c. offshore spring line N d. onshore bow line 759: The equipment used to control, protect and connect a towline is called ___________ .
N a. cat head Y b. terminal gear N c. level wind N d. poured socket 815: A U.S. or foreign flag vessel that does not comply with the Officers Competency Certificates Convention of 1936 may be detained by certain designated officials. These officials include all of the following EXCEPT a/an ___________ .
Y a. State Police officer N b. Coast Guard officer N c. Coast Guard petty officer N d. officer of the U.S. Customs Service 866: For the deepest water when rounding a bend in a river, you should navigate your vessel __________.
N a. toward the inside of the bend Y b. toward the outside of the bend N c. toward the center of the river just before the bend, then change course for the river's center after the bend N d. in the river's center 877: On which vessels may licensed individuals be required to stand watch under the two-watch system, on voyages of more than 600 miles in length?
Y a. Uninspected towing vessels N b. Offshore supply vessels N c. Cargo ships N d. Tank vessels 897: Which factor(s) might indicate that a towline should be removed from service?
N a. Visible damage to the towline, including fishhooks. N b. Measurements showing a decrease in diameter. N c. A surface condition of corrosion and discoloration. Y d. All of the above 898: You must load as much of a large shipment of case goods as possible into a hold which has 24,000 cubic feet of space. Each case measures 2 feet by 2-1/2 feet by 4 feet and weights 448 pounds. If you allow for broken stowage of 15%, how many long tons can be loaded?
N a. 280 N b. 233 Y c. 204 N d. 190 910: The purpose of sheer in ship construction is to __________.
Y a. allow the ship to ride waves with drier decks N b. eliminate the need for butt straps N c. eliminate the need for margin plates N d. give greater strength at the deck edge 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 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 1003: You are on a containership. The cargo includes a container of small arms ammunition, a container of lead-acid storage batteries and a container of methyl acetylene bottles. Which statement is TRUE?
N a. The storage batteries must be stowed on deck away from the ammunition. N b. The storage batteries must be at least ten horizontal feet away from the methyl acetylene. N c. The ammunition must be separated from the methyl acetylene by at least one hold. Y d. No separation is required because freight containers are exempted. 1052: A term used to describe the dip in a towline that acts as a shock absorber is __________.
Y a. catenary N b. step N c. shock dip N d. bight 1071: In some cases, the 50% duty on all foreign repairs made to American flag merchant vessels may be remitted. Which work does NOT come under the remitting policy of U.S. Customs?
Y a. Chipping, painting, and scaling by foreign labor N b. Repairs to hull structural damage N c. Repairs due to damage done by heavy weather N d. Repairs to the main propulsion machinery 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1224: Which is NOT a recommended practice when handling nylon line?
N a. Nylon lines which become slippery because of oil or grease should be scrubbed down. Y b. Manila line stoppers should be used for holding nylon hawsers. N c. When easing out nylon line, keep an extra turn on the bitt to prevent slipping. N d. Iced-over nylon lines should be thawed and drained before stowing. 1289: What would you use to adjust the height of a cargo boom?
N a. Lizard N b. Spanner guy Y c. Topping lift N d. Working guy 1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.
N a. to starboard Y b. to port N c. straight ahead N d. as influenced by the tide and sea 1626: Using a scope of 6, determine how many feet of anchor cable you should put out to anchor in 12 feet (3.7 meters) of water.
N a. 2 feet (0.6 meters) N b. 18 feet (5.5 meters) N c. 48 feet (14.6 meters) Y d. 72 feet (21.9 meters) 1643: The splice designed to pass easily through a block is called a(n) __________.
N a. eye splice N b. short splice Y c. long splice N d. block splice 1649: What is required to be stenciled at the heel of a cargo boom?
N a. Maximum angle of elevation permitted N b. Date of the last quadrennial test Y c. Safe working load N d. Maximum load when doubled up 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 1795: Which knot represents a double sheet bend? (DO30DG )
N a. F N b. L Y c. R N d. T 1796: Which safety check(s) should be made before letting go the anchor?
N a. See that the anchor is clear of obstructions. N b. See that the chain is all clear. N c. See that the wildcat is disengaged. Y d. All of the above 1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.
N a. constantly shifting the rudder N b. moving all passengers to one side of the boat Y c. rigging a sea anchor N d. moving all passengers to the stern 2008: When towing another vessel, the length of the towing line should be __________.
N a. as long as possible N b. as short as possible under the circumstances and not over two wave lengths N c. such that one vessel will be on a crest while the other is in a trough Y d. such that the vessels will be in step 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2093: What is the mechanical advantage of tackle number 10? (DO29DG )
N a. 4 N b. 4.5 Y c. 5 N d. 5.5 2135: A load line certificate is valid for how many years?
N a. 1 N b. 2 N c. 3 Y d. 5 2198: 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 transfer for a turn of 90°? (D034DG )
N a. 355 yards Y b. 380 yards N c. 410 yards N d. 455 yards 2226: The knot lettered O is a __________. (DO30DG )
N a. timber hitch Y b. barrel hitch N c. carrick bend N d. blackwall hitch 2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.
N a. Load Line Certificate Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. operations manual 2286: Cargo that is highly susceptible to damage by tainting from odorous cargo is called __________.
N a. clean cargo Y b. delicate cargo N c. dry cargo N d. immune cargo 2456: Which term describes a part of a natural fiber line?
N a. Lacings N b. Lays Y c. Strands N d. Twines 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 2734: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability book to determine the hogging numeral. (Get Table Data)
N a. 98.23 numeral Y b. 95.70 numeral N c. 84.46 numeral N d. 81.37 numeral 2789: Your vessel is approaching the International Bridge on the St. Marys River. If the gage on the bridge, read from top to bottom, indicates 124 ft. and the IGLD (1955) is 600 ft., determine the actual vertical clearances between the existing water level and the lowest point of the bridge over the channel.
Y a. 124 feet N b. 476 feet N c. 724 feet N d. 840 feet 2977: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
Y a. P (PRIORITY) N b. Z (FLASH) N c. R (ROUTINE) N d. O (IMMEDIATE) 2986: Sulfuric acid is a __________.
N a. clear syrupy liquid with no odor Y b. colorless-to-brown liquid with a choking odor when hot N c. colorless liquid with a pleasant fruity odor N d. whitish liquid with a faint, pleasant odor 3098: A weight of 1,000 short tons is equivalent to __________.
N a. 1,500 foot-pounds N b. 2,240 long tons N c. 2,000 pounds Y d. 2,000 kips 3172: The signal man assisting the crane operator has his hands clasped in front of his body. This is the signal to __________.
Y a. dog everything N b. stop N c. stand-by N d. prepare for signal 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 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 3662: Unless extremely flexible wire rope is used, the sheave diameter should always be as large as possible, but should never be less than __________.
Y a. 20 times the rope diameter N b. 10 times the rope diameter N c. 2 times the rope diameter N d. the rope diameter 4144: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever N b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Ratchet tensioner 4152: Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions. N b. The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea. N c. It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized. Y d. All the above 4158: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Weight of cargo units and vehicles N b. Types of cargo units and vehicles to be carried N c. Dynamic forces under adverse weather conditions Y d. All of the above 4212: What is another name for the boom of a crane?
N a. Lift N b. Rider Y c. Jib N d. All of the above 4229: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )
N a. Boom assembly N b. Hook block assembly Y c. Rider block tagline system N d. All of the above 4266: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
N a. The cranes require shoreside assistance to handle heavy cargos. N b. The cargo discharge cannot be accomplished without pendulation. N c. The cargo discharge cannot be performed at anchor. Y d. The discharge is slow due to the size of the cargo and all the cranes working together.