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.
9: The International Regulations for Preventing Collisions at Sea contain the requirements for __________.
Y a. signals that must be sounded when being towed in restricted visibility N b. minimum hawser lengths when being towed N c. lights that must be displayed on anchor buoys N d. mooring procedures for support vessels when transferring cargo 152: What is the function of the bypass valve on the self-contained breathing apparatus?
N a. The valve opens in excessive heat to release the oxygen in the bottle and prevent the bottle from exploding. Y b. In the event of a malfunction in the equipment, the valve can be operated manually to give the wearer air. N c. When pressure in the apparatus exceeds 7 psi above atmospheric pressure, the valve opens to release pressure. N d. The valve reduces the high pressure in the bottle to about 3 psi above atmospheric pressure. 272: Fire alarm system thermostats are actuated by __________.
N a. smoke sensors Y b. the difference in thermal expansion of two dissimilar metals N c. pressure loss due to air being heated N d. an electric eye which actuates when smoke interferes with the beam 276: For a cargo vessel of 1,000 GT or over, on an international voyage, the required minimum pitot tube pressure from the two highest outlets when two fire pumps are operating simultaneously is approximately __________.
N a. 35 psi Y b. 50 psi N c. 70 psi N d. 100 psi 296: In weighing CO2 cylinders, they must be recharged if weight loss exceeds __________.
N a. 10% of weight of full bottle N b. 15% of weight of full bottle N c. 20% of weight of charge Y d. 10% of weight of charge 321: A signal indicating Greenwich mean time would be preceded with __________.
N a. a code hoist to indicate Greenwich mean time to follow N b. the letter G N c. the letters GT Y d. the letter Z 467: Which is the required location of the radiotelephone station aboard a vessel to which the "Vessel Bridge-to-Bridge Radiotelephone Act" applies?
Y a. On the bridge or in the wheelhouse N b. In a separate radio compartment N c. Adjacent to the main power source N d. As high as possible on the vessel 593: The sea painter is secured in the lifeboat by __________.
Y a. a turn around a forward thwart with a toggle pin thru the eye N b. a knot around a thwart N c. an eye splice placed over one of the hooks of the releasing gear N d. All of the above 651: Small passenger vessels not limited to service during daylight hours must carry __________.
N a. a radar maintained in good operating condition N b. a collision bulkhead N c. a white 20 point anchor light Y d. at least one floating water light 779: A bulk freighter 680 ft. in length, 60 ft. beam, with a waterplane coefficient of .84, is floating in salt water at a draft of 21'. How many long tons would it take to increase the mean draft by 1"?
N a. 64.3 tons N b. 69.6 tons Y c. 81.6 tons N d. 116 tons 954: Which is the lifesaving signal for, "This is the best place to land"?
N a. Red star rocket N b. Orange smoke signal Y c. Green star rocket N d. Horizontal motion of a flag 962: A carbon dioxide fire extinguisher should be recharged __________.
N a. at least annually Y b. whenever it is below its required weight N c. only if the extinguisher has been used N d. before every safety inspection 1361: What is the minimum diameter allowed for bilge piping on small passenger vessels which are more than 65 feet in length?
N a. 1" Y b. 1-1/2" N c. 2" N d. 2-1/2" 1502: A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in __________.
N a. generators Y b. oil drums N c. the bridge controls N d. combustible metals 1641: The most serious effect of air trapped in a non-treated diesel engine jacket water cooling system is that it __________.
Y a. causes corrosion N b. reduces the ability of the system to cool the engine N c. can form pockets which block the flow of coolant through the system N d. accelerates formation of metal plating 1672: Which of the following would be considered downflooding on a fishing vessel as defined in regulation?
Y a. Vessel heels until water enters a hatch. N b. Vessel in collision floods through a damaged area above the waterline. N c. Vessel takes on water due to the hatches being left open in heavy rain. N d. Vessel takes on water by the propeller shaft due to failure of the stern gland. 1682: Which radio call-in plan is the most prudent?
N a. There must be a designated responsible person who will be available to receive your call at anytime. Y b. There must be specific instructions for the designated responsible person to follow if your call does not come in on schedule. N c. The designated responsible person must be instructed to call the Coast Guard search and rescue authorities immediately if your call does not come in on schedule. N d. The designated responsible person should be over 18 years of age. 1745: During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?
N a. 2" water gauge Y b. 4" water gauge N c. 20" water gauge N d. 40" water gauge 1845: What is the minimum number of hand held, rocket propelled, parachute, red flare, distress signals required on board offshore drilling units?
N a. 4 N b. 8 Y c. 12 N d. 16 1882: A sailing vessel with the wind coming from 260° relative would be __________.
N a. on a close reach Y b. on a broad reach N c. on a starboard tack N d. running before the wind 1884: INTERNATIONAL AND INLAND Unless the rules require otherwise, a sailing vessel must keep out of the way of __________.
N a. an overtaking vessel N b. a pilot vessel on station N c. another sailing vessel on a crossing course Y d. a vessel trawling 1974: When experiencing heavy winds, you should reef sails to __________.
N a. bring the sails parallel to the wind Y b. reduce sail area exposed to the wind N c. allow the sails to catch more wind N d. remove all tension on the main and jib sheets 2194: Your vessel is damaged with no list, but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?
N a. KB increases, increasing BM and therefore GM N b. KG increases due to the weight of the added water on deck Y c. BM decreases from loss of water plane and greater volume. N d. There is no effect on transverse stability. 2195: Who is charged with appointing persons to be in command of the lifeboats and(or) liferafts on a mobile offshore drilling unit?
N a. Rig superintendent N b. Tool Pusher N c. Company man Y d. Designated person in charge 2204: Which communications functions must all vessels be capable of performing under GMDSS as defined by the International Maritime Organization?
N a. Radio direction finding Y b. Distress alerting to and from vessels, search and rescue coordination, on-scene communications, signals for locating, Maritime Safety Information, general and bridge-to-bridge communications. N c. Communications in each of the operational ocean areas N d. All communications possible within the International Safety-NET service 2238: Which system has the least effective radius of operation?
N a. HF SITOR N b. MF NBDP Y c. VHF DSC N d. NAVTEX 2256: 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-0054
N a. Available GM 6.8 ft N b. Available GM 5.4 ft N c. Available GM 4.1 ft Y d. Available GM 3.6 ft 2353: Which documents are required by GMDSS for vessels on international voyages (other than the Great Lakes)?
N a. A copy of the IMO master plan of shore-based facilities N b. Station logs N c. 47 CFR Part 80 FCC Rules and Regulations Y d. All of the above 2370: According to the Chemical Data Guide, the flammable limits of ethylene oxide are __________.
N a. 1.85 - 48.0% Y b. 2 - 100% N c. 2.7 - 34% N d. 1.9 - 88.0% 2448: A person on a fixed or floating platform engaged in oil exploration MAY discharge food waste into the sea when the distance from the nearest land is at least __________.
N a. 3 nautical miles N b. 5 nautical miles Y c. 12 nautical miles N d. 25 nautical miles 2638: Marine Safety Information is promulgated via satellite through which system?
N a. AMVER Y b. SafetyNET N c. NAVTEX N d. INMARSAT-M SES 2746: Your vessel's drafts are: FWD 17'-07", AFT 16'-09"; and the KG is 21.5 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.
N a. 0.8 foot N b. 1.5 feet N c. 2.7 feet Y d. 3.6 feet 2758: A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?
N a. The tanks lie above the waterline and are filled. N b. The tanks are partially filled with dry cargo. Y c. The tanks are partially filled with liquid cargo. N d. The tanks are filled and lie below the waterline. 2849: A vessel would be referred to as "stiff" when the weight of the cargo is __________.
N a. evenly distributed vertically and the double bottoms are full N b. concentrated low and the double bottoms are empty Y c. concentrated low and the double bottoms are full N d. concentrated high and the double bottoms are empty 2864: The sailing drafts are: FWD 22'-08", AFT 23'-04" and the GM is 4.6 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 20° inclination.
Y a. 2.1 feet N b. 2.4 feet N c. 2.8 feet N d. 3.2 feet 2932: What is FALSE concerning the use of unicellular plastic foam work vests on small passenger vessels? (small passenger vessel regulations)
Y a. They may be substituted for up to 50% of the required life jackets. N b. They shall be of an approved type. N c. They shall be stowed separately from required lifesaving equipment. N d. They may be worn by crew members when working near or over the water. 2936: A vessel's drafts are: FWD 16'-03", AFT 16'-09"; and the KG is 21.3 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 2 feet off the centerline.
N a. 12° N b. 14° Y c. 20° N d. 22° 3188: 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 3255: A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. To maintain draft, ballast is added at a VCG of 10 feet. What is the change in KG?
Y a. 2.5 feet downward N b. 2.0 feet downward N c. 1.5 feet downward N d. 1.0 foot downward 3371: The DEEP DRILLER at a draft of 60.0 feet discharges 68.94 long tons of ballast. What is the new draft?
N a. 66.0 feet N b. 60.5 feet Y c. 59.5 feet N d. 55.0 feet 3507: The lightweight longitudinal moments for the DEEP DRILLER are __________.
N a. 680,914 ft-long tons N b. 9,733 ft-long tons N c. -5,937 ft-long tons Y d. -6,716 ft-long tons 4069: In the illustration, the sea anchor is number __________. (D014SA )
N a. 1 N b. 12 Y c. 14 N d. 18 4102: The center of the underwater volume of a floating vessel is the __________.
Y a. center of buoyancy N b. center of flotation N c. uncorrected height of the center of gravity of the vessel N d. center of gravity of the vessel corrected for free surface effects 4274: Your vessel is greater than 100 GRT and carries more than 12 passengers. In addition to the licensed deck officer in the pilothouse, there should be on watch an additional crew member __________.
N a. always in the pilothouse N b. on lookout on the bow Y c. in or near the pilothouse N d. only when visibilty is restricted 4401: Use of air gaps in excess of that stated in the Limits of Elevated Service for the COASTAL DRILLER could result in __________.
N a. the hull being in the storm wave zone Y b. increased overturning moments N c. reduced exposed area N d. increased static leg loading 4527: The sounding for Drill Water Tank #18 for the Coastal Driller is 1.25 feet. It is decided to fill the tank. What is the vertical center of gravity for the added liquid?
Y a. 3.13 feet N b. 2.50 feet N c. 1.87 feet N d. 0.63 foot 4778: The SS AMERICAN MARINER has on board 5540 tons of cargo with an LCG-FP of 272.20 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0169
N a. LCG-FP 266.5 feet Y b. LCG-FP 267.8 feet N c. LCG-FP 268.4 feet N d. LCG-FP 269.2 feet 5232: Fusible-link fire dampers are operated by __________.
N a. a mechanical arm outside the vent duct N b. electrical controls on the bridge Y c. the heat of a fire melting the link N d. a break-glass and pull-cable system 5297: Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while in transit is __________.
N a. consumption of on board variables N b. miscalculation of loads N c. external environmental forces Y d. flooding due to lower-hull damage 5467: What is an advantage of the 6x19 class of wire rope over the 6x37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better fatigue life N c. Resistance to elongation Y d. Resistance to corrosion 5711: Installing tandem anchors on the same mooring line is referred to as __________.
N a. doubling N b. pretensioning Y c. piggybacking N d. paralleling 5934: You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you need help?
N a. 1 N b. 2 N c. 3 Y d. 4 6011: On a MODU, hand portable extinguishers are size(s) __________.
N a. II only N b. II and III Y c. I and II N d. I only 6521: When cargo aboard a jack-up in transit becomes adrift, the tow vessel should be asked to __________.
Y a. turn into the seas N b. turn to be parallel to the seas N c. reduce speed N d. increase speed 6686: Your drafts are: FWD 24'-09", AFT 27'-02". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in salt water.
N a. 13,175 tons N b. 13,350 tons N c. 13,490 tons Y d. 13,620 tons 6817: How long must the records of tests and inspections of fire fighting equipment on board a MODU be retained on board?
N a. 6 months N b. 1 year N c. 3 years Y d. Until the next inspection for certification 8223: What is the purpose of a check valve?
N a. Passes air but not liquid N b. Regulates liquid flow Y c. Permits flow in one direction only N d. Passes liquid but not air 8263: When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.
N a. is full Y b. may be partially flooded N c. level has dropped N d. is completely flooded 8897: 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 9585: While retrieving the survival craft, the engine should be stopped __________.
Y a. when the craft clears the water N b. when the cable has been attached N c. on approach to the platform N d. at the embarkation deck