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.
90: You are on a multiple-product chemical tanker. The loading plan includes cargoes of diethylenetriamine and formamide. Which statement concerning the stowage of these cargoes is TRUE?
N a. They must be separated by a void space or empty tank. N b. The cargoes must have individual venting systems. N c. The valves in common piping systems must be chained closed and locked. Y d. The minimum segregation required is a single bulkhead. 91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. N b. Able seamen are required in the deck crew. N c. All crew members shall have Merchant Mariner's Documents. Y d. Certificates of Discharge are not required to be issued. 130: You are on a vessel carrying liquefied butadiene in bulk. Which document is NOT required to be either in the wheelhouse or easily accessible to the person on watch while underway?
Y a. Cargo manual N b. Cargo information card N c. Certificate of Inspection N d. Shipping document 138: Which vessel is most likely to be loaded full but not down?
N a. A bulk carrier loaded with heavy ore N b. A bulk carrier loaded with steel Y c. A break bulk vessel loaded with palletized cargo N d. A tanker loaded with heavy grain 157: The proper way to correct a mistake in the logbook is to __________.
Y a. draw a line through the entry, rewrite, and initial the correction N b. draw several lines through the entry, rewrite, and initial the correction N c. erase the entry and rewrite N d. completely black out the entry, rewrite, and initial the correction 226: Which statement is TRUE concerning the vessel's slipstream?
N a. It has no effect on the steering of the vessel. N b. It has no effect on the rudder when the helm is amidships. N c. Its velocity is the same as that of the wake. Y d. The propeller gives it a helical motion. 249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.
N a. any certificated tankerman N b. the Master of the vessel N c. the officer of the watch Y d. the person designated as "person in charge" 396: A vessel is equipped with twin propellers, both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships, what will happen?
N a. The bow will swing to starboard. N b. The bow will swing to port. N c. The vessel will steer a zigzag course. Y d. The vessel will steer a fairly straight course. 418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?
N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required. Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation. N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed. N d. The possibility of any sweat problem, either cargo or ship, is remote. 457: You are the operator of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 493: What does "end for end" mean in regard to a towing hawser?
N a. To take the kinks out of the hawser N b. To fake it down in figure eights N c. To increase the catenary Y d. To swap ends of the hawser to minimize wear 577: You are signing on a crew. A man presents a Merchant Mariner's Document that you suspect has been tampered with. Which action should you take?
N a. Confiscate the document and deliver it to the Coast Guard. N b. Sign the man on and notify the Coast Guard at the first U.S. port of call. Y c. Refuse to sign the man on articles until authorized by the Coast Guard. N d. Refuse to sign the man on and notify the FBI of unauthorized use of a federal document. 648: Bulk cargo refers to __________.
N a. cargo which occupies a large volume of space N b. cargo which requires refrigeration N c. cargo which is very dense Y d. homogeneous cargo not enclosed in a container 787: While assigned to a 120 GRT vessel, you are required to sign "foreign" articles on a voyage from New York City to which port?
N a. Halifax, Canada Y b. Long Beach, California N c. Veracruz, Mexico N d. Saint Maarten, Netherlands Antilles 840: The terms "cant frame" and "counter" are associated with the vessel's __________.
N a. cargo hatch N b. forecastle N c. steering engine Y d. stern 885: How many wire clips must be used to make a temporary repair to a tow wire?
N a. 3 N b. 4 Y c. 5 N d. Wire clips are never, under any circumstances, permitted 891: A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman, according to the regulations, __________.
N a. the Second Mate and the Master must testify as to the facts of the assault N b. the case will be dismissed if the logbook entries are improperly made Y c. the logbook entry is prima facie evidence of the facts if it complies with the law N d. the logbook is inadmissible if the logbook entries do not conform to the law 907: While assigned to a 90 GRT vessel, you are required to sign "foreign" articles on a voyage from Philadelphia to which port?
Y a. San Francisco, CA N b. Baltimore, MD N c. Tampico, Mexico N d. Montreal, Canada 983: When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?
Y a. Yaw N b. Roll N c. Pitch N d. Leeway 998: When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1000: The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.
Y a. weather adjustments N b. hand-electric steering N c. automatic gyro N d. non-followup control 1008: When anyone voluntarily deposits his/her license or document with a Coast Guard investigating officer __________.
N a. he/she permanently gives up rights to the license or document Y b. it may be for reasons of mental or physical incompetence N c. it must be for reason of addiction to narcotics N d. All of the above 1123: 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 Coast Pilot N c. the International Code of Signals (PUB 102) Y d. Radio Aids to Navigation (PUB 117) 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1194: What type of line melts easiest?
N a. Wire N b. Dacron N c. Nylon Y d. Polypropylene 1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.
N a. lose headway without swinging Y b. turn her bow toward the dock N c. turn her bow away from the dock N d. head into the wind, regardless of the side the wind is on 1494: After splicing an eye in a piece of wire rope, the splice should be parceled and served to __________.
N a. strengthen the line N b. increase its efficiency Y c. prevent hand injury by covering loose ends N d. make the line more flexible 1510: The type of welding employed in shipyards is primarily __________.
N a. brazing Y b. electric arc N c. pressure welding N d. thermite welding 1512: 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?
N a. R (ROUTINE) N b. Z (FLASH) Y c. O (IMMEDIATE) N d. P (PRIORITY) 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 1733: Separating both blocks of a tackle to prepare it for reuse is called __________.
N a. chockablocking N b. out-hauling Y c. over-hauling N d. two-blocking 1748: An Official Logbook is required on which vessel?
N a. A 150-G.T. tug going from Boston to New Orleans. Y b. A 100-G.T. tug going from New York to San Pedro, California. N c. A 50-G.T. tug going from Miami to Seattle. N d. A 199-G.T. tug on a coastwise trip of 650 miles. 1798: You are on a single-screw vessel with a left-handed propeller making no way in the water. How will your vessel react when you apply right rudder?
N a. Bow will kick to starboard N b. Bow will kick to port Y c. Rudder alone has no effect on the vessel N d. Stern will kick to port, then slowly swing to starboard 1830: Using the graph, if the dry bulb temperature is 76°, and the wet bulb temperature is 58°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 35% N b. 47% N c. 61% N d. 76% 1874: The label required for magnesium scrap is __________.
N a. oxidizer N b. yellow N c. corrosive Y d. None of the above 1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
Y a. 1 to 6 hours N b. 30 minutes to 1 hour N c. 3 hours to start of business the following day N d. 10 minutes if possible 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 2022: In determining the scope of cable to be used when anchoring, what would NOT be considered?
N a. Depth of the water N b. Character of the holding ground Y c. maintenance cost for the chain N d. Type of anchor cable 2037: You are riding to a single anchor. The vessel is yawing excessively. Which action should be taken to reduce the yawing?
N a. Veer chain to the riding anchor N b. Heave to a shorter scope of chain on the riding anchor N c. Drop the second anchor at the extreme end of the yaw and veer the riding anchor Y d. Drop the second anchor at the extreme end of the yaw, then adjust the cables until the scope is equal 2086: What is the mechanical advantage of tackle number 11? (DO29DG )
N a. 7 Y b. 6 N c. 5.5 N d. 5 2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )
Y a. A N b. B N c. C N d. D 2193: 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 in illustration D035DG. Based on this data what is the tactical diameter of the turning circle? (D035DG )
N a. 755 yards N b. 780 yards N c. 820 yards Y d. 880 yards 2274: 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 N b. 30 minutes to 1 hour Y c. 1 to 6 hours N d. 10 minutes if possible 2316: A lookout can leave his/her station __________.
N a. at any time N b. at the end of the watch N c. 15 minutes before the end of the watch Y d. only when properly relieved 2462: Which term describes a part of a natural fiber line?
N a. Twines Y b. Fibers N c. Lays N d. Lacings 2729: The load line markings shown are inscribed on the vessel's __________. (D031DG )
N a. port side N b. starboard side Y c. port and starboard sides N d. stern 2859: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike) to signify that "________________".
N a. I am altering my course to starboard N b. I am altering my course to port N c. I am operating astern propulsion Y d. my vessel is stopped and making no way through the water 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 3042: A Great Lakes vessel bound for Anticosti Island is exempt from the IMO Grain Regulations if the vessel meets all of the following standards EXCEPT __________.
N a. the metacentric height corrected for free surface must meet regulatory minimums throughout the voyage Y b. slack surfaces should be in a mound N c. the longitudinal strength of the vessel must not be imperiled N d. the Master must ascertain the expected weather conditions enroute 3080: Which method should be used to warm up the pump turbines prior to discharge?
N a. Lock the turbine rotor and slowly bleed in steam until operating temperature is reached N b. Run the pump at high speed with the discharge valves closed N c. Run the turbine at slow speed with the pump disconnected Y d. Shut the discharge valve and run the pump at slow speed 3176: The part of the anchor indicated by the letter G is the __________. (D038DG )
N a. fluke N b. shank Y c. tripping palm N d. crown 3460: You would NOT secure a line to a __________.
N a. kevel Y b. stand pipe N c. button N d. timber head 3463: Deckhands onboard towing vessels shall be divided into 3 watches when the trip exceeds __________.
N a. 1000 miles N b. 800 miles N c. 700 miles Y d. 600 miles 3610: You have a tow of chemical barges. The mate reports an ammonia smell around the head of the tow. You would suspect a leak in the barge carrying __________.
N a. methyl chloride N b. heptane N c. propanolamine Y d. morpholine 4016: Which statement is TRUE concerning weather conditions on the Great Lakes?
N a. When a vessel is south of an eastward-moving storm center, the approach of the low is evidenced by winds from the north to northeast. Y b. When a vessel is north of an eastward-moving storm center, changes in the weather are less distinctive than when sailing south of the center. N c. The most destructive storms usually come from the northwest or north. N d. Thunderstorms are most likely to develop from November through April. 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 4159: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?
N a. One Y b. Two N c. Three N d. Four 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above 4391: A report of casualty to a vessel must include __________.
N a. the estimated cost of damage N b. the amount of ballast on board Y c. the name of the owner or agent of the vessel N d. an evaluation of who was at fault