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.
24: Which single-letter sound signal may be made only in compliance with the International Rules of the Road?
Y a. D N b. F N c. Q N d. U 87: Which type of portable lighting may be used to enter a compartment on a tank barge which is NOT gas-free?
N a. A three-cell flashlight Y b. An explosion-proof, self-contained, battery-fed lamp N c. A spark resistant and flame retardant lamp N d. None of the above 111: In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by __________.
Y a. convection N b. conduction N c. radiation N d. ventilation 330: Many vessels are provided with flume tanks, which also have a dump tank located under the flume tanks. In the event the ship is damaged, you could dump the flume tanks into the dump tank which would __________.
N a. reduce the free surface effect and raise the KG N b. not have any effect on free surface and raise the KG Y c. reduce the free surface effect and lower the KG N d. not have any effect on free surface and lower the KG 385: You are operating a non-ocean going vessel, how much of the accumulated oily waste must you be able to retain on board?
N a. 25% N b. 50% N c. 75% Y d. 100% 421: After the initial AMVER Position Report, sent by a vessel sailing foreign, subsequent Position Reports must be sent no less frequently than every __________.
N a. 24 hours N b. 36 hours Y c. 48 hours N d. Monday, Wednesday, and Friday 561: The 12-foot low-velocity fog applicator __________.
N a. has a spray pattern 12 feet in diameter N b. can be used in conjunction with both 1-1/2 inch and 2-1/2 inch all-purpose nozzles Y c. has a 90° bend at its discharge end N d. has a screw thread end which connects to the all-purpose nozzle 612: The service life of distress signals must be not more than __________.
Y a. forty two months from the date of manufacture N b. thirty six months from the date of the last inspection N c. twenty four months from the date of approval N d. twelve months from the date of purchase 614: Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The port side freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST __________.
N a. press up a slack double bottom tank on the port side N b. fill an empty centerline double bottom tank Y c. pump out a slack marine portable tank located on the portside amidships N d. jettison the anchors and anchor cables 663: Stretchers are fitted in lifeboats to provide a __________.
N a. place for people to lie down N b. means for rigging the sail Y c. place for rowers to brace their feet N d. suitable means for water to drain below the footings 927: The extinguishing agent most effective for combating wood fires is __________.
Y a. water N b. carbon dioxide N c. foam N d. dry chemical 982: In continuous operation, the effective range of the 15 pound CO2 extinguisher is limited to __________.
N a. 2 to 4 feet Y b. 3 to 8 feet N c. 9 to 12 feet N d. 10 to 15 feet 1006: An immersion suit must be equipped with a(n) __________.
N a. air bottle for breathing N b. orange smoke canister Y c. whistle, light and retroreflective material N d. sea dye marker 1258: On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called __________.
N a. acrylic acid N b. benzene Y c. oleum N d. vinyl toluene 1307: Firefighting foam is only effective when the foam __________.
N a. penetrates to the bottom of the fire N b. is kept saturated with low-velocity water fog N c. mixes with the burning fuel oil Y d. completely covers the top of the burning liquid 1326: All inflatable liferafts have __________.
N a. safety straps from the overhead N b. built in seats N c. releasing hooks at each end Y d. water stabilizing pockets 1712: The gross weight of a fully charged CO2 cylinder is 80 lbs. When the bottle is empty it weighs 60 lbs. What is the minimum acceptable gross weight of the CO2 bottle before it should be recharged by the manufacturer?
N a. 55 lbs N b. 68 lbs Y c. 78 lbs N d. 82 lbs 1723: The regulations that were passed to implement MARPOL 73/78 concerning oil pollution apply to a U.S. flag vessel that sails on which waters?
N a. Inland waters only N b. Great Lakes only Y c. International waters N d. All of the above 1729: The purpose of the deck seal in an inert gas system is to prevent __________.
Y a. flammable vapors from entering machinery space N b. flue gas escaping to atmosphere N c. inert gas escaping to atmosphere N d. air entering inert gas system 1865: The SS AMERICAN MARINER is partially loaded with a GM of 2.6 feet and drafts of: FWD 13'-07", AFT 15'-01". Use the white pages of the Stability Data Reference Book to determine what tanks you should ballast to increase the GM to 3.4 feet.
N a. Tanks: DB1, DB3 N b. Tanks: DB5, DT1A Y c. Tanks: DB6, DB7, DT7 N d. Tanks: DB4, DT8 1878: The liquid mud tanks on your vessel measure 20'L by 18'B by 7'D. The vessel's displacement is 866 T and the specific gravity of the mud is 1.8. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.24 foot N b. 0.56 foot N c. 0.95 foot Y d. 1.12 feet 1913: The SS AMERICAN MARINER has the following drafts: FWD 8'-04", AFT 15'-08". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0047
Y a. 1.77 feet N b. 1.91 feet N c. 2.09 feet N d. 2.21 feet 1966: A sailing vessel with the wind coming from 090° relative would be __________.
N a. close hauled on the starboard tack Y b. reaching on the starboard tack N c. on a broad reach on the starboard tack N d. close hauled on the port tack 2027: Who is responsible for transmitting a message stating that distress communications have ceased?
Y a. The Rescue Coordination Center (RCC) controlling the distress communications N b. The vessel providing the initial communications with the distressed vessel N c. The Coast Radio Station (CRS) that was first contacted concerning the distress situation N d. No formal message must be transmitted as long as no distress-related communications have occurred after reasonable time. 2036: Which system provides maximum communications range?
N a. MF SITOR Y b. INMARSAT N c. Digital Selective Calling on 8414.5KHz N d. VHF ARQ 2259: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.2 feet, and the drafts are: FWD 22'-04", AFT 23'-00"; at what angle will the vessel lose positive stability?
N a. 72° Y b. 78° N c. 86° N d. 92° 2310: A fire pump may be used for other purposes if __________.
N a. the other services are run off a reducing station with a pressure gage Y b. one of the required pumps is kept available for use on the fire main system at all times N c. no relief valves are installed N d. all of the above conditions are met 2597: Reinforcing frames attached to a bulkhead on a MODU are called __________.
N a. side longitudinals N b. intercostals Y c. stiffeners N d. brackets 2612: What is NOT listed as a synonym for crude oil in the Chemical Data Guide?
N a. Rock oil N b. Mineral oil N c. Seneca oil Y d. Earth crude 2627: Deck beams on a MODU are generally spaced at equal intervals and run __________.
N a. longitudinally N b. vertically Y c. transversely N d. intermittently 2642: When properly set and drawing, a fore-and-aft sail has a cross-section that __________.
N a. is a uniform curve Y b. is a curve with more curve at the luff N c. is a curve with more curve at the leach N d. approximates a straight line 2790: The weight of liquefied petroleum gas vapors as compared to air is __________.
N a. variable N b. the same N c. lighter Y d. heavier 2801: How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 2000 brake horsepower?
Y a. 2 N b. 3 N c. 4 N d. 5 2820: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0082
N a. FWD 26'-02", AFT 26'-08" Y b. FWD 25'-09", AFT 27'-02" N c. FWD 25'-03", AFT 28'-09" N d. FWD 24'-11", AFT 29'-11" 2988: No person whose license has been revoked shall be issued another license except upon __________.
Y a. approval of the Commandant N b. taking a new examination N c. approval of the Officer-in-Charge, Marine Inspection N d. approval of an administrative law judge 3099: Which type of power may a towing vessel use to drive the cargo pumps of a tank barge?
N a. Only air N b. Only steam N c. Air or steam only Y d. Steam, air, or electricity 3380: At each initial and subsequent inspection for certification, all carbon dioxide fire extinguishers aboard a vessel are __________. (small passenger vessel regulations)
N a. checked for pressure loss N b. discharged and recharged N c. sent ashore to an approved service facility Y d. weighed 3448: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 3485 tons of cargo on board with a KG of 24.4 feet. Use the white pages of the Stability Data Reference Book to determine the final KG of all the cargo after loading is completed. ST-0131
N a. KG 25.1 feet Y b. KG 25.6 feet N c. KG 26.0 feet N d. KG 26.5 feet 3831: Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 10P to Tank 1S using #1 ballast pump, is valve __________.
N a. 24 Port N b. 33 Port Y c. 34 Port N d. 44 Port 3877: On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve __________.
N a. 8 N b. 19 N c. 20 Y d. 48 3983: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new height of the longitudinal metacenter?
N a. 61.24 feet N b. 61.22 feet Y c. 61.20 feet N d. 61.13 feet 4050: The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged ___________ .
Y a. when a new Master assumes command N b. daily, at 0800 local zone time N c. weekly, before 2400 Saturday N d. immediately after assuming the watch 4120: Which of the following would be of immediate concern after discovering a large fire in the ship's galley?
N a. An adjacent storeroom, containing spare parts Y b. A storeroom directly above, containing combustible fluids N c. An adjacent storeroom, containing mattresses and linen N d. An adjacent storeroom, marked "Stewards Stores" 4239: Either one approved B-V semi-portable fire-extinguishing system or a fixed fire-extinguishing system is required to protect the engine room on towing vessels whose construction was contracted for before __________. (Uninspected Vessel Regulations)
N a. April 29, 2005 N b. April 29, 2004 Y c. August 27, 2003 N d. February 1, 2002 4687: What is the decrease in vertical moments for the Coastal Driller if 2.5 feet of drill water is discharged from a full drill water tank #23?
N a. 3,464 ft-kips N b. 2,982 ft-kips Y c. 482 ft-kips N d. 161 ft-kips 5611: The full period of motion of the DEEP DRILLER while tripping is 8 seconds and the maximum pitch angle as seen on the inclinometers is 4 degrees. From the standpoint of critical motion, the motion is __________.
N a. unsatisfactory, place setback in the pipe racks Y b. satisfactory, continue tripping N c. unsatisfactory, deballast to survival draft N d. unsatisfactory, place unit in standby 6106: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0192
N a. Available GM 4.3 ft N b. Available GM 4.7 ft N c. Available GM 5.1 ft Y d. Available GM 5.5 ft 6580: The brickwork surrounding the firebox of a boiler is known as __________.
Y a. refractory N b. the screen wall N c. the water wall N d. fire plate 6813: The Master or person in charge of a mobile offshore drilling unit shall ensure the crane record book shows __________.
N a. the name of the operator Y b. the American Petroleum Institute name plate data N c. the average load in pounds each usage N d. All of the above 7025: A patient suffering from heat exhaustion should be___ __________.
Y a. moved to a cool room and told to lie down N b. kept standing and encouraged to walk slowly and continuously N c. given a glass of water and told to return to work after 15 minutes of rest N d. None of the above are correct 8036: Radiation spreads a fire by __________.
N a. transmitting the heat of a fire through the ship's metal N b. burning liquids flowing into another space Y c. transferring heat across an unobstructed space N d. heated gases flowing through ventilation systems 8392: You are preparing for what promises to be a rough ocean passage. Your 120-foot schooner carries a yard on the foremast about 50 feet above the water. The yard weighs about 1000 pounds. If you take the yard down and stow it on deck for the trip, you will __________.
N a. decrease the GM N b. give the vessel a gentler roll Y c. increase the metacentric height N d. decrease the reserve buoyancy 8775: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected forward inclination. The wind and waves are light from the starboard bow. Among the possible causes, you should consider __________.
N a. failure of mooring lines 2 and 3 N b. drilling crew has dumped the mud Y c. the drill string has broken N d. ballast tanks equalizing into tank 1P 8837: A jack-up with a calculated moment to change list one inch (MCL1") of 1,200 foot-kips intends to transfer 100 kips of weight in a transverse direction. How far should the weight be transferred to change the draft on the port side from 11.5 to 11.0 feet?
N a. 12 feet N b. 48 feet N c. 120 feet Y d. 144 feet 8983: The time required to incline from port to starboard and back to port again is called __________.
N a. initial stability N b. range of stability N c. inclining moment Y d. rolling period 9347: CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge?
N a. 80% N b. 85% Y c. 90% N d. 95% 9455: The original equilibrium position is stable when __________.
Y a. metacentric height is positive N b. metacentric radius is positive N c. KG exceeds maximum allowable limits N d. free surfaces are excessive 9493: On a vessel, multiplying a load's weight by the distance of the load's center of gravity above the baseline results in a(n) __________.
N a. transverse moment Y b. vertical moment N c. righting moment N d. inclining moment 9573: A floating vessel will behave as if all of its weight is acting downward through the __________.
Y a. center of gravity N b. center of buoyancy N c. center of flotation N d. metacenter