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.
63: You have abandoned ship and are in an inflatable raft that has just inflated. You hear a continuous hissing coming from a fitting in a buoyancy tube. What is the cause of this?
N a. The saltwater is activating the batteries of the marker lights on the canopy. N b. The inflation pump is in automatic operation to keep the tubes fully inflated. N c. A deflation plug is partially open allowing the escape of CO2. Y d. Excess inflation pressure is bleeding off and should soon stop. 114: If you are in urgent need of a helicopter, which signal code should you send?
Y a. BR N b. BS N c. BT1 N d. BZ 211: The oxygen indicator is an instrument that measures the __________.
Y a. amount of oxygen in the atmosphere of a confined space N b. amount of combustible gas as a percentage of the lower explosive limit in a confined space N c. concentration of CO2 as a percentage of oxygen in a confined space N d. None of the above 228: Which is the most serious type of fracture?
Y a. Compound N b. Greenstick N c. Closed N d. Crack 289: You are at the helm of a sailing vessel under sail on the starboard tack, close hauled, and you are instructed to "head up". You should __________.
N a. turn the wheel to port if you are steering with a wheel N b. push the tiller to starboard if you are steering with a tiller Y c. turn the rudder to starboard N d. All of the above are correct 314: The flag hoist 1.33 would be sent as __________.
N a. 1, answer pennant, 3, first substitute Y b. 1, answer pennant, 3, second substitute N c. 1, answer pennant, 3, third substitute N d. N, 1, answer pennant, 3 948: Fires in combustible metals, such as sodium or magnesium, are classified as class __________.
N a. A N b. B N c. C Y d. D 969: That center around which a vessel trims is called the __________.
Y a. tipping center N b. center of buoyancy N c. center of gravity N d. turning center 1066: Coast Guard approved buoyant work vests __________.
N a. may be substituted for 10 percent of the required life preservers N b. should be stowed adjacent to lifeboats and emergency stations N c. may be used by boat crews and line handlers during lifeboat drills Y d. should be used when carrying out duties near a weather deck's edge 1093: On small passenger vessels, which device(s) must be fitted to a fuel line's tank connection?
N a. A fuel strainer Y b. A shut-off valve N c. A tubular glass gauge to indicate the fuel level N d. All of the above 1110: Limit switches on gravity davits should be tested by __________.
N a. the engineers, from a panel in the engine room N b. shutting off the current to the winch Y c. pushing the switch lever arm while the winch is running N d. All of the above 1212: Ambient air, which you normally breathe, contains what percent of oxygen?
N a. 6% N b. 10% N c. 15% Y d. 21% 1227: Which type of portable fire extinguishers is NOT designed for use on flammable liquid fires?
N a. Foam (stored-pressure) Y b. Water (cartridge-operated) N c. Dry chemical N d. Carbon dioxide 1345: An inflatable liferaft can be launched by __________.
N a. the float-free method ONLY N b. breaking the weak link on the painter Y c. throwing the entire container overboard and then pulling on the operating cord to inflate the raft N d. removing the securing straps 1453: The hoods over galley ranges present what major hazard?
Y a. Grease collects in the duct and filter and if it catches fire is difficult to extinguish. N b. In order to effectively draw off cooking heat they present a head-injury hazard to a person of average or more height. N c. They inhibit the effective operation of fire fighting systems in combating deep fat fryer or range fires. N d. They concentrate the heat of cooking and may raise surrounding flammable material to the ignition point. 1597: Which characteristic is an advantage of Halon as a fire extinguishing medium?
Y a. Electrically non-conductive N b. Relatively inexpensive N c. Effective against chemicals containing an oxidizer N d. All of the above 1673: In commercial fishing, "cold water" means water where the monthly mean low water temperature is normally __________.
N a. 39°Fahrenheit or less N b. 44°Fahrenheit or less N c. 49°Fahrenheit or less Y d. 59°Fahrenheit or less 1711: Which precaution should be taken when testing a line throwing gun?
Y a. Never remove the line from the rocket. N b. Fire it at an angle of approximately 90 degrees to the horizon. N c. Wear asbestos gloves. N d. All of the above 1748: In an inert gas system, high pressure alarms are set in the main vapor collection line to cause an audible and visual alarm if the pressure reaches a certain level. What is the percentage of the lowest relief valve setting at which the alarm must sound?
N a. 70% N b. 80% Y c. 90% N d. 95% 1788: Which channel is designated as the VHF follow-on communications channel and is required in all portable survival craft equipment?
N a. Channel 6 N b. Channel 13 Y c. Channel 16 N d. Channel 70 1816: INTERNATIONAL AND INLAND Except where specifically required by the rules, a sailing vessel is NOT required to keep out of the way of a __________.
N a. vessel engaged in fishing N b. vessel anchored Y c. power-driven pilot vessel on station N d. vessel setting a channel buoy 1831: A slow and easy motion of a vessel in a seaway is an indication of a __________.
Y a. small GM N b. low center of gravity N c. stiff vessel N d. large GZ 1920: Which statement is TRUE concerning life preservers?
N a. Buoyant vests may be substituted for life preservers. Y b. Kapok life preservers must have vinyl-covered pad inserts. N c. Life preservers must always be worn with the same side facing outwards. N d. Life preservers are not designed to turn a person's face clear of the water when unconscious. 1928: Your vessel displaces 740 tons and measures 141'L by 34'B. What is the reduction in GM due to free surface if the fish hold (41'L by 30'B by 9'D) is filled with 2.5 feet of water? (Each foot of water weighs 35.1 tons)
N a. 2.14 feet N b. 2.75 feet N c. 2.96 feet Y d. 3.18 feet 1984: You have 550 tons of below deck tonnage including liquid mud. Your existing deck cargo is 120 tons with a VCG above the deck of 2.6 feet. What is the maximum additional deck cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 20 tons N b. 60 tons Y c. 120 tons N d. 240 tons 2024: Which step should be taken, if possible, when the vessel must be abandoned because of a distress situation?
N a. Alert the U.S. Coast Guard by using the survival craft's portable INMARSAT unit. N b. Program the SART and EPIRB to transmit the vessel's location and situation. Y c. Place the SART and EPIRB in the "ON" position and secure them to the survival craft. N d. No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly. 2095: Sails may be wing and wing when __________.
N a. close hauled N b. tacking N c. wearing Y d. sailing with the wind aft 2364: Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 950 tons 2.5 feet forward of the tipping center N b. 950 tons 5.6 feet aft of amidships N c. 1250 tons 4.3 feet forward of amidships N d. 1250 tons 1.4 feet aft of the tipping center 2408: If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked, when is it required to be hauled out again?
N a. 12 months since last dry-docking N b. 18 months since last dry-docking N c. 24 months since last dry-docking Y d. 36 months since last dry-docking 2459: A virtual rise in the center of gravity may be caused by __________.
N a. filling a partially filled tank Y b. using fuel from a pressed fuel tank N c. emptying a partially filled tank N d. transferring ballast from the forepeak to the after peak 2479: Coast Guard regulations require a shipboard Oil Pollution Emergency Plan to be reviewed __________.
Y a. annually N b. once every two years N c. once every four years N d. once every five years 2541: When lifting loads from a boat in heavy weather, the load should be taken when the boat __________.
Y a. reaches the crest N b. begins to fall N c. begins to rise N d. reaches the trough 2615: On a MODU, the keel is the primary strength member of the lower hull form in which direction?
N a. transverse N b. diagonal Y c. longitudinal N d. vertical 2680: You are loading benzyl chloride and a small quantity spills on deck. According to the Chemical Data Guide, which of the following may be used as a substitute for water for the cleanup procedure?
N a. Alcohol N b. Sodium bisulfite Y c. Sodium carbonate N d. Soda ash solution 2841: The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a MODU is the __________.
Y a. air gap N b. freeboard N c. penetration N d. water depth 3072: The SS AMERICAN MARINER has on board 6450 tons of cargo with an LCG-FP of 274.46 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-0101
N a. LCG-FP 272.6 feet Y b. LCG-FP 269.8 feet N c. LCG-FP 266.5 feet N d. LCG-FP 263.8 feet 3078: If you see an individual fall overboard, you should __________.
N a. throw him/her a life buoy N b. hail "man overboard" N c. pass the word to the bridge Y d. All of the above 3160: Fixed ballast, if used, may be __________. (small passenger vessel regulations)
N a. discharged or moved at any time Y b. moved temporarily for examination or repair of the vessel, when done under the supervision of an inspector N c. moved under the supervision of the owner, Master or shipyard N d. moved under any condition except extreme emergency 3216: Gasoline fuel tank vents should terminate __________.
N a. in the engine compartment N b. in the fuel tank space Y c. above or outside the hull N d. at the most convenient location 3366: An inflatable liferaft is floating in its container, attached to the ship by its painter, as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container?
N a. Cut the painter line so that it will not pull the liferaft container down. N b. Swim away from the container so that you will not be in danger as it goes down. Y c. Take no action as the pull on the painter will cause the liferaft to inflate and open the container. N d. Manually open the container and inflate the liferaft with the hand pump. 3400: How should the number "9" be pronounced when spoken on the radiotelephone?
N a. NEW-MER-AL-NINER N b. NUM-BER-NINE Y c. NO-VAY-NINER N d. OK-TOH-NINE 3429: Using the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 3 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 37.6 lbs.
N a. 930 tons each N b. 955 tons each Y c. 975 tons each N d. 990 tons each 3522: You are on a Mariner class cargo vessel. Your drafts are: FWD 21'-04", AFT 23'-04". You wish to increase the calculated GM of 4.8' to 5.8'. What tanks should you ballast? (Use the white pages in the Stability Data Reference Book.)
N a. Tanks: DB2, DB6 N b. Tanks: DB6, DT7 Y c. Tanks: DB4, DB7 N d. Tanks: DB2, DB5 3572: Your vessel's existing draft is FWD 25'-04", AFT 24'-08". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 634 long tons are discharged from NO. 19 hatch.
N a. FWD 25'-00 1/4", AFT 25'-04 1/8" N b. FWD 25'-02 3/4", AFT 23'-08 5/8" Y c. FWD 25'-05 1/4", AFT 23'-08 5/8" N d. FWD 25'-10 1/4", AFT 23'-11 3/4" 3646: One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an __________.
N a. red star shell Y b. searchlight N c. burning barrel N d. orange smoke signal 3780: One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to __________.
N a. stream the sea anchor Y b. take an anti-seasickness pill N c. open the pressure relief valve N d. drink at least one can of water 3800: If you have to jump in the water when abandoning ship, your legs should be __________.
N a. spread apart as far as possible N b. held as tightly against your chest as possible N c. in a kneeling position Y d. extended straight down and crossed at the ankles 3885: On the DEEP DRILLER, among the starboard-side valves to open when flooding through the overboard discharge into ballast tank 1S is valve __________.
Y a. 2 N b. 3 N c. 7 N d. 37 4053: 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 resulting trim angle?
N a. 3.49 degrees to the stern N b. 4.69 degrees to the stern Y c. 5.18 degrees to the stern N d. 5.68 degrees to the stern 4192: Alterations or repairs on inspected small passenger vessels must be done __________.
N a. under the direction of the Officer in Charge, Marine Inspection N b. in accordance with the regulations of Subchapter "S" (Subdivision and Stability) N c. in accordance with regulations in effect when the vessel was contracted for, as long as the repairs are minor Y d. All of the above 4553: What longitudinal moments are created when 379.97 kips of fresh water is placed in the COASTAL DRILLER's #1 drill water tank?
N a. 1,729 ft-kips N b. 1,739 ft-kips N c. 1,749 ft-kips Y d. 1,759 ft-kips 4717: The COASTAL DRILLER is loaded as shown in the sample load from #2 (preload). All of the preload is dumped with the exception of 50 kips in preload tank #28. What is the new LCG?
N a. 119.11 feet AF0 N b. 119.44 feet AF0 Y c. 119.68 feet AF0 N d. 120.11 feet AF0 5047: A jack-up drilling rig being towed must __________.
Y a. turn off all lights that interfere with the navigation lights N b. turn on all available working lights on deck N c. ring the bell rapidly for five seconds once a minute N d. display two black diamonds in a vertical line during the day 7003: When treating a chemical burn, you should flood the burned area for at least __________.
Y a. five minutes N b. ten minutes N c. fifteen minutes N d. twenty minutes 8177: When elevating the COASTAL DRILLER in 200 feet of water, the unit should be placed at an air gap of __________.
N a. 35 feet N b. 32 feet Y c. 30 feet N d. 25 feet 8295: The DEEP DRILLER suffers minor flooding of the port pump room. If both port bilge pumps fail to dewater the pump room, you should use the __________.
Y a. port drill water pump N b. port saltwater service pump N c. port ballast pumps N d. starboard ballast pumps and crossover system 8305: Since accumulations of H2S gas on a MODU can be dangerous to personnel, it is important to know that H2S gas is __________.
N a. lighter than air Y b. heavier than air N c. a yellow gas that is easily recognized N d. mildly toxic 8307: The sense of smell cannot be depended upon to detect H2S because __________.
N a. it has a smell similar to petroleum products N b. hydrogen sulfide gas is odorless Y c. the sense of smell is deadened by the gas N d. it is better to rely on eye irritation as a detector 8595: When a survival craft drill is held, the person in charge must insure that __________.
N a. all survival craft are lowered to the water, launched, and operated for thirty minutes Y b. all davits used for launching liferafts are operated N c. each emergency position indicating radio beacon is tested for thirty minutes N d. the helicopter pad landing lights are operating in a quick-flashing mode 9545: An unstable upright equilibrium position on a vessel means that the metacenter is __________.
Y a. lower than the center of gravity N b. at the same height as the center of gravity N c. higher than the baseline N d. on the longitudinal centerline