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.
116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 132: What is a characteristic of all centrifugal cargo pumps?
N a. They are self-priming. Y b. Decreasing the speed of rotation will decrease the discharge pressure. N c. Opening the discharge valve wider will increase the discharge pressure. N d. All of the above 132: What is a characteristic of all centrifugal cargo pumps?
N a. They are self-priming. Y b. Decreasing the speed of rotation will decrease the discharge pressure. N c. Opening the discharge valve wider will increase the discharge pressure. N d. All of the above 193: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
N a. the Light List N b. the International Code of Signals (PUB 102) Y c. Radio Navigational Aids (PUB 117) N d. the Coast Pilot 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 389: When hooking up a cargo hose to your vessel's manifold, you should use a(n)______________.
N a. international shore connection Y b. insulating flange or single length of non-conducting hose N c. self-contained breathing apparatus N d. oxygen analyzer 515: When compared to a fiber towing hawser, what is NOT an advantage of a wire towing hawser?
N a. Wire is easy to handle when properly spooled on the drum of a towing winch. Y b. Wire has more spring and shock resistance than fiber. N c. Wire can be used to tow heavier loads because of its smaller diameter and more manageable size. N d. Wire is subject to less deterioration if properly maintained. 618: When considering a vessel's stability, which spaces in a general cargo vessel are the best locations for the carriage of bulk grain?
Y a. Deep tanks N b. Lower holds N c. Lower holds at the ends of the vessel N d. 'Tween-decks 658: When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.
N a. along the centerline N b. toward the forward bulkhead of the forward holds and toward the after bulkhead of the after holds Y c. toward the after bulkhead of the forward holds and the forward bulkhead of the after holds N d. toward the after bulkhead of all holds 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 676: Conditions for crossing a rough bar are usually best at __________.
N a. low water slack Y b. high water slack N c. high water ebb N d. high water flood 709: The designations A,B,C,D, and E grades of cargo refer to the __________.
N a. degrees of quality of petroleum products Y b. flash point range and Reid vapor pressure index of petroleum products N c. grades of crude oil N d. pour point, color, and viscosity index of petroleum products 875: Which statement, concerning offshore supply vessel operations, correctly defines the length of a voyage?
N a. The distance from the point of departure to the vessel's first stop N b. The distance from the point of departure to the most distant point offshore Y c. The total distance from the port of departure to the port of arrival, not including stops at offshore points N d. The shortest measurable distance from the port of departure to the port of arrival 944: When caring for natural-fiber line, you should NEVER __________.
N a. dry the line before stowing it Y b. lubricate the line N c. protect the line from weather N d. slack off taut lines when it rains 993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Offshore head line 1220: Who certifies the safe working load of cargo cranes on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. National Cargo Bureau 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. 1236: You are docking a ship with a single-screw tug assisting on your starboard bow. How should the tug be tied up if you are anticipating that she will have to hold your bow off while you stem the current?
N a. One head line would be sufficient. N b. The tug would need at least two head lines. N c. The tug should put a spring line up, leading astern on the ship. Y d. The tug should put a stern line up, leading ahead on the ship. 1245: While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards, the lookout may be __________.
N a. the helmsman Y b. the mate on watch N c. Either A or B N d. Neither A nor B 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1348: Preparation of muster lists and signing of same is the responsibility of the __________.
N a. Chief Officer of the vessel N b. owner of the vessel Y c. Master of the vessel N d. United States Coast Guard 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1401: A clause in the charter party requires a vessel's owner to pay dispatch money when the vessel __________.
N a. changes berths to expedite loading or discharging N b. does not load and discharge its cargo in the time specified N c. is not ready to load or discharge cargo Y d. loads and discharges its cargo in less time than specified 1431: A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances, the __________.
Y a. vessel operator can collect demurrage N b. ship is authorized extra time to discharge the cargo N c. charterer must pay dispatch money N d. effective period of the charter is extended 1455: Which letter represents a bowline on a bight? (DO30DG )
N a. H Y b. I N c. M N d. W 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1520: A welded joint's effectiveness is considered __________.
N a. 48% N b. 90% Y c. 100% N d. 121% 1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.
N a. the same ratio N b. more chain for each fathom of depth Y c. less chain for each fathom of depth N d. two anchors with the same ratio of chain 1557: When relieving the helm, the new helmsman should find it handy to know the __________.
Y a. amount of helm carried for a steady course N b. variation in the area N c. leeway N d. deviation on that heading 1607: Using a scope of 6, how much cable would have to be used in order to anchor in 24 feet of water?
N a. 4 feet N b. 18 feet N c. 30 feet Y d. 144 feet 1622: What is NOT an indication that pack ice may be nearby?
Y a. The presence of icebergs N b. Ice blink N c. Absence of wave motion N d. Sighting a walrus in the Arctic 1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.
N a. cover plate N b. joiner N c. lap strake Y d. stealer plate 1788: Which position shown is the most dangerous when tying up? (D019DG )
Y a. I N b. II N c. III N d. IV 1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?
N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water. N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock. N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained. Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water. 1924: The knot lettered I as shown is a __________. (DO30DG )
N a. square knot N b. round knot Y c. bowline on a bight N d. timber hitch 2100: The primary purpose of a load line is to establish required __________.
Y a. minimum freeboard N b. GM N c. transverse stability N d. fresh water allowances 2109: What is NOT an item that requires the vessel to be dry-docked?
N a. Inspection of tail shaft liner N b. Repacking and grinding of skin valves Y c. Verification of load line measurements N d. Belt gauging 2114: All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trade shall be done under the supervision of __________.
N a. a U.S. Coast Guard Marine Inspector Y b. an officer assigned to the vessel N c. the American Bureau of Shipping N d. the National Cargo Bureau 2154: A vessel has a charter party for one voyage to carry a full load of manganese from Durban, South Africa, to Baltimore, Maryland, at a stipulated rate per ton. Which type of contract is involved?
N a. Bareboat charter party Y b. Voyage charter party N c. Demise charter party N d. Time charter party 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 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 2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.
N a. provide tail shaft clearances Y b. test welds for subsurface defects N c. check the wear of the rudder carrier bearing N d. test the links of the anchor cables while being ranged 2516: Which statement about the dangerous cargo manifest, carried on a ship, is TRUE?
N a. The manifest must be made up by the Master or other designated ship's officer. N b. Shipments of hazardous and non-hazardous cargo may be listed on the manifest if they are destined for the same consignee. Y c. The manifest must be kept in a designated holder on or near the bridge. N d. The type of label(s) required for each cargo must be indicated. 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 2794: The Great Lakes Edition of the Notice to Mariners is published __________.
Y a. weekly by the 9th Coast Guard District N b. monthly by the Army Corps of Engineers N c. monthly by the Naval Oceanographic office N d. biweekly by the Commandant, U.S. Coast Guard 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) 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 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3079: What is a solid at ambient temperature?
N a. Aniline N b. Formic acid N c. Methyl chloride Y d. Napthalene 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 3109: When hip towing, a line led from the bow of the towing vessel aft to the vessel being towed would be a __________.
N a. backing line Y b. towing line N c. stern line N d. breast line 3164: How should you signal the crane operator to lower the boom and raise the load?
N a. Extend arm and point finger in the direction to move the boom. Y b. Extend arm with thumb pointing downward and flex fingers in and out. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. N d. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. 3504: Metal plates that cover the top of the hawsepipe are called __________.
N a. footings N b. plugs Y c. buckler plates N d. stop waters 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 3616: A tug in irons is __________.
N a. rudder bound N b. being tripped by the towline Y c. unable to maneuver N d. broached 4038: Which cargo would require a dangerous cargo manifest?
Y a. Cotton N b. Wheat N c. Sugar N d. Lumber 4053: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you give this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) Y c. R (ROUTINE) N d. Z (FLASH) 4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
Y a. Drape along brackets N b. Leave in place while back loading cargo to save time N c. Hang vertically in the paint locker N d. All of the above 4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?
N a. Sound the general alarm. Y b. Return the control levers to the neutral positions. N c. Notify port security. N d. Hold the control levers all the way down.