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.
101: On a vessel of 10,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on the tank top. The hold is 40 feet long and 50 feet wide. The reduction in metacentric height is __________.
N a. 1.1 feet Y b. 1.2 feet N c. 1.3 feet N d. 1.5 feet 210: Metacentric height is an indication of a vessel's stability __________.
N a. for all angles of inclination N b. for large angles of inclination Y c. for small angles of inclination N d. in no case 335: Your vessel is carrying 24,000 barrels of oil for discharge. The cargo hoses have an inside diameter of eight inches. The container around the loading manifold must hold __________.
Y a. three barrels N b. four barrels N c. six barrels N d. eight barrels 407: Any person maintaining a listening watch on a bridge-to-bridge radiotelephone must be able to __________.
Y a. speak English N b. repair the unit N c. send Morse Code N d. speak a language the vessel's crew will understand 413: Paint and oil lockers on small passenger vessels must be constructed of or lined with __________.
Y a. steel or equivalent material N b. fiberglass N c. sheetrock, asbestos, or other material that retards the spread of fire N d. marine plywood 483: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 4184 tons of cargo on board with a KG of 27.8 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-0008
Y a. KG 25.8 feet N b. KG 26.6 feet N c. KG 27.2 feet N d. KG 28.0 feet 563: Which item is of the most use in getting a lifeboat away from a moving ship?
N a. The falls Y b. Boat hook N c. Boat painter N d. Sea painter 724: Messages concerning weather conditions transmitted by radiotelephone are preceded by __________.
N a. MAYDAY N b. PAN-PAN Y c. SECURITE N d. SOS 752: Which statement describes the primary process by which fires are extinguished by dry chemical?
N a. The stream of dry chemical powder cools the fire. Y b. The dry chemical powder attacks the fuel and oxygen chain reaction. N c. The powder forms a solid coating over the surface. N d. The dry chemical smothers the fire. 908: If ignited, which material would be a class B fire?
N a. Magnesium N b. Paper N c. Wood Y d. Diesel Oil 1010: Which action will best increase the transverse stability of a merchant vessel at sea?
Y a. Ballasting the double bottom tanks N b. Deballasting the deep tanks N c. Positioning a heavy lift cargo on the main deck N d. Raising the cargo booms to the upright position 1035: The letter G, when sent with a complement, may be followed by __________.
N a. two numerals N b. two letters N c. three or four numerals Y d. four or five numerals 1128: Most small passenger vessels have an auxiliary steering arrangement. According to the regulations, which is acceptable as a substitute for the auxiliary steering system?
N a. A threefold purchase, rove to advantage N b. A spare rudder, stowed so it can be readily mounted Y c. A suitable hand tiller, approved by the OCMI N d. All of the above 1366: The air spaces in the floor of an inflatable liferaft will provide protection against __________.
N a. asphyxiation from CO2 N b. loss of air in the sides of the raft N c. rough seas Y d. cold water temperatures 1691: When anchoring a small sailing vessel in rough weather, the best anchor line would be composed of __________.
N a. chain-wire N b. chain-manila Y c. chain-nylon N d. all chain 1834: The liquid mud tanks on your vessel measure 20'L by 18'B by 7'D. The vessel's displacement is 986 T and the specific gravity of the mud is 1.6. What is the reduction in GM due to 2 of these tanks being slack?
N a. .09 foot N b. .45 foot Y c. .88 foot N d. 1.35 feet 1842: How many VHF Survival Craft Transceivers are required aboard passenger ships?
N a. 2 Y b. 3 N c. 4 N d. 5 1896: The edge of the sail labeled "A" is called the __________. (D001SL )
N a. leech N b. clew Y c. luff N d. headboard 1897: Which is a part of a vessel's standing rigging?
N a. Sheet Y b. Backstay N c. Topping lift N d. Downhaul 1988: You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 2.54 feet N b. 2.85 feet Y c. 3.11 feet N d. 3.55 feet 2104: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 25.2 feet, and the drafts are: FWD 27'-11", AFT 28'-09"; at what angle will the vessel lose positive stability?
Y a. 54° N b. 59° N c. 65° N d. 71° 2134: The flammable limits of gasoline are 1.3 to 7.6 percent volume of the air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample registers 55 on the instrument. What is the concentration of gases?
N a. 55% N b. 5.5% N c. 4.1% Y d. 0.7% 2150: You have approximately 6 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 7 feet? (total displacement is 422 tons)
Y a. 0.1 foot N b. 0.3 foot N c. 0.5 foot N d. 0.9 foot 2221: In heavy seas the helmsman should steer the survival craft __________.
Y a. into the seas N b. broadside to the seas N c. in the same direction as the seas N d. in a series of figure-eights 2229: To get the best speed when tacking and using a mainsail and jib, the sails should be trimmed such that __________.
N a. the jib is on one side of the vessel and the mainsail on the other Y b. an air slot is formed between the two sails N c. one sail is as close to a right angle as possible to the other N d. as much of a gap as possible exists between the two sails in order to catch the most wind 2275: INTERNATIONAL AND INLAND Your 18-meter vessel is propelled by sail and power. What action is required when the engine is stopped?
N a. Display a black diamond shape forward. Y b. Remove the black cone shape from forward. N c. Remove the black balls (one at the masthead and one on each spreader). N d. Display a black cylindrical shape at the masthead. 2290: In order to calculate the TPI of a vessel, for any given draft, it is necessary to divide the area of the waterplane by __________.
N a. 35 N b. 120 N c. 240 Y d. 420 2317: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0057
Y a. 7.7 feet N b. 9.1 feet N c. 9.9 feet N d. 10.6 feet 2504: A reinspection of the vessel shall be made between which of the following months while the Certificate of Inspection is valid?
N a. 8 - 12 months N b. 10 - 12 months Y c. 10 - 14 months N d. 12 - 14 months 2672: Your vessel's drafts are: FWD 16'-08", AFT 17'-06"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 60° inclination if the center of gravity is 1.7 feet off the centerline.
N a. 1.8 feet Y b. 2.1 feet N c. 3.0 feet N d. 3.8 feet 2701: Compared to internal structural plating, the exterior hull plating on a MODU is usually __________.
Y a. stronger N b. thinner N c. more corrosion resistant N d. a lower grade steel 2814: Your vessel's drafts are: FWD 21'-04", AFT 21'-08"; and the KG is 20.6 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 45° inclination if the center of gravity is 1.2 feet off the centerline.
N a. 3.8 feet Y b. 4.4 feet N c. 5.2 feet N d. 5.6 feet 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 3084: All life floats and buoyant apparatus shall be clearly and legibly marked or painted with the __________. (small passenger vessel regulations)
N a. manufacturer's price, stock number, and inspection date N b. vessel's name, tonnage, and horsepower Y c. vessel's name in 3" letters N d. vessel's name, and number of persons allowed, all in at least 3" inch high letters and numbers 3104: An emergency check-off list is required on vessels carrying six or fewer passengers for hire. The list must contain information on all of the following EXCEPT __________. (Uninspected Vessel Regulations)
N a. precautions for rough weather Y b. actions required in the event of accident N c. procedures for man overboard emergencies N d. emergency procedures for fire at sea 3665: The time required to ballast the DEEP DRILLER to survival draft, when threatened with heavy weather, while under tow, is about __________.
Y a. 2 hours N b. 3 hours N c. 4 hours N d. 5 hours 3728: A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?
Y a. Rub the toes briskly. N b. Elevate the foot slightly. N c. Rewarm rapidly. N d. Give aspirin or other medication for pain if necessary. 3737: The most important consideration in the event the Deep Driller suffers damage is __________.
Y a. preserve reserve buoyancy N b. advise authorities N c. pump from adjacent undamaged compartments N d. counterflood on the opposite corner 3906: When a lifeline is required to be attached to a ring life buoy it must be at least __________.
N a. 30 feet long Y b. 60 feet long N c. 90 feet long N d. 120 feet long 3999: Which item may be substituted for, in the fireman's outfit, on a cargo vessel?
N a. fire ax N b. flashlight N c. rigid helmet Y d. flame safety lamp 4016: Fire protection regulations apply to those towing vessels __________.
N a. used only for pollution response N b. owned and operated by the US government N c. used only within a barge fleeting area Y d. used only on inland waters 4041: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the new TCG?
N a. -0.26 foot N b. -0.46 foot Y c. 0.46 foot N d. 0.61 foot 4068: On board an OSV, the key to the most rapid and effective response to a man overboard situation is __________.
N a. switching to hydraulic steering N b. a dedicated crew N c. good equipment Y d. good communication 4150: In an emergency, the electro-hydraulic steering units can be directly controlled by the __________.
Y a. trick wheel N b. rapson slide N c. follow-up gear N d. receiver unit 4210: You are loading in a port subject to the summer load line mark and bound for a port subject to the winter load line mark. You will enter the winter zone after steaming four days. You will consume 35 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.0083, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 74 inches N b. 78 inches N c. 80 inches N d. 86 inches 4247: The maximum combined drilling load for the COASTAL DRILLER consisting of the combined hook, rotary, setback, and conductor tension, shall not exceed __________.
N a. 450 kips N b. 500 kips N c. 750 kips Y d. 1000 kips 4283: When underway at a draft of 10.5 feet in a severe storm, the COASTAL DRILLER has a maximum allowed KG of __________.
Y a. 40 feet N b. 50 feet N c. 55 feet N d. 65 feet 4486: The international body responsible for drafting the convention prohibiting marine pollution (MARPOL) is the __________.
N a. Maritime Advisory Council Y b. International Maritime Organization N c. International Association of Shipping N d. Association of Seafaring Nations 4785: What should you do with your emergency position indicating radio beacon if you are in a liferaft in a storm?
Y a. Bring it inside the liferaft and leave it on. N b. Bring it inside the liferaft and turn it off until the storm passes. N c. Leave it outside the liferaft and leave it on. N d. Leave it outside the liferaft but turn it off. 5281: The DEEP DRILLER suffers minor flooding of the port pump room while in transit. If both port bilge pumps fail to dewater the pump room, you may __________.
Y a. use port drill water pump N b. use port saltwater service pump N c. use port ballast pumps N d. use starboard ballast pumps and crossover system 5486: This illustration shows the correct method of securing a __________. (D009SA )
N a. man-rope N b. frapping line Y c. sea painter N d. lifeline 5691: In a storm, the windward lines of a MODU's mooring system provide __________.
N a. a positive righting moment N b. an increase in KM N c. a negative restoring force Y d. a positive restoring force 5961: A CO2 extinguisher on a MODU which has lost 10% of its charge must be __________.
N a. used at the earliest opportunity N b. hydro-tested Y c. recharged N d. weighed again in one month 6067: On offshore drilling units fitted with fixed CO2 systems, the system must discharge at least 85 percent of the required amount of CO2 within __________.
N a. 1 minute Y b. 2 minutes N c. 3 minutes N d. 4 minutes 6115: If a mobile offshore drilling rig has four hand portable fire extinguishers that can be recharged by personnel on the unit, how many spare charges must be carried?
N a. 1 Y b. 2 N c. 3 N d. 4 6123: On offshore drilling units, the minimum required number of fireman's outfits which must be carried is __________.
N a. 1 Y b. 2 N c. 3 N d. 4 6663: A branch line valve of a fire extinguishing system on a MODU must be marked with the __________.
N a. maximum pressure allowed at that branch Y b. name of the space or spaces which it serves N c. date of the last maintenance inspection N d. pressure needed to maintain an effective stream at that point 7121: CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when __________.
N a. the discharge valve is open N b. the control box glass is broken Y c. pressure from the control cylinders is detected N d. the control cylinders have been completely discharged 8198: On a vessel of 6500 tons displacement, a tank 30 ft. long, 32 ft. wide and 15 ft. deep is half filled with oil cargo (S.G. 0.948) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 3240 N b. 2731 Y c. 2162 N d. 1336 8867: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet?
N a. 2,094 long tons N b. 2,194 long tons Y c. 2,294 long tons N d. 3,294 long tons