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.
60: Your vessel rolls slowly and sluggishly. This indicates that the vessel __________.
N a. has off-center weights N b. is taking on water N c. has a greater draft forward than aft Y d. has poor stability 109: Your vessel has a displacement of 10,000 tons. It is 350 feet long and has a beam of 55 feet. You have timed it's full rolling period to be 15.0 seconds. What is your vessel's approximate GM?
N a. 1.18 feet N b. 1.83 feet Y c. 2.60 feet N d. 3.36 feet 842: As compared to carbon dioxide, dry chemical has which advantage?
N a. Cleaner N b. Effective on metal fires Y c. Greater range N d. More cooling effect 865: On board a small passenger vessel, fuel tank vents should __________.
N a. be connected at the highest point in the tank N b. terminate in a U-bend fitted with a single corrosion resistant wire screen of at least 30x30 mesh N c. be installed with an upward gradient to prevent fuel from being trapped in the line Y d. All of the above 1087: A combination or all-purpose nozzle produces __________.
N a. low-velocity fog only N b. a solid stream only N c. a solid stream and foam Y d. a solid stream and fog 1213: When a wind force causes a vessel to heel to a static angle, the __________.
N a. centers of buoyancy and gravity are in the same vertical line Y b. righting moment equals the wind-heeling moment N c. center of buoyancy remains the same N d. deck-edge immersion occurs 1246: Inflatable liferafts are provided with __________.
N a. a Very pistol Y b. a towing connection N c. a portable radio N d. canned milk 1248: In the event of fire in a machinery space, __________.
Y a. the fixed carbon dioxide system should be used only when all other means of extinguishment have failed N b. the fixed carbon dioxide system should be used immediately, as it is the most efficient means of extinguishment N c. water in any form should not be used as it will spread the fire N d. the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel 1314: Under normal conditions a liferaft is released from its cradle by __________.
N a. cutting the restraining strap N b. unscrewing the turnbuckle on the back of the cradle N c. lifting one end of the raft Y d. pushing the plunger on the center of the hydrostatic release 1408: What is NOT a characteristic of carbon dioxide fire-extinguishing agents?
Y a. Effective even if ventilation is not shut down N b. Will not deteriorate in storage N c. Non-corrosive N d. Effective on electrical equipment 1446: A vessel's mean draft is 29'-07". At this draft, the TPI is 152. The mean draft after loading 1360 tons will be __________.
N a. 29'-09" N b. 29'-11" Y c. 30'-04" N d. 30'-07" 1624: A sail plan, including the vessel's itinerary, name, number, and persons aboard, should be filed with __________.
N a. the FAA N b. the Coast Guard N c. U.S. Customs Y d. a responsible person 1763: You are operating a liftboat. When jacking down and a leg becomes stuck on the bottom, you should __________.
N a. raise the free legs all the way N b. use the engines to rotate about the leg that is stuck Y c. jack the barge down part way to pull the leg free N d. submerge the barge completely to give added pull 1947: INTERNATIONAL AND INLAND Your 18-meter vessel is under sail at night displaying sidelights, stern light, and a red light over a green light at the masthead. If you start the auxiliary engine and engage the propeller, you must_______.
N a. turn your stern light off N b. show two green lights instead of a red and green at the masthead N c. display a white light in sufficient time to prevent collision Y d. turn off the red over green, turn on the white masthead light 1975: On a commercial fishing vessel, a wearable personal flotation device must be marked with the name of the __________.
N a. vessel N b. assigned individual N c. owner of the device Y d. Any of the above 2131: When a person is in shock, their skin will be __________.
N a. warm and dry N b. warm and damp N c. cold and dry Y d. cold and damp 2151: 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-0052
N a. Available GM 6.9 ft N b. Available GM 5.3 ft N c. Available GM 4.1 ft Y d. Available GM 3.8 ft 2189: Changing direction by bringing the stern of the vessel through the eye of the wind is known as __________.
Y a. jibing N b. running before the wind N c. tacking N d. reefing 2198: Which statement is TRUE concerning a sailing vessel with the sails properly trimmed?
N a. The more the sails are sheeted in, the greater your speed will be when sailing downwind. N b. As the sails are sheeted in, the vessel will heel less when close hauled. N c. As the sails are sheeted in on a close hauled course, speed will increase as the side forces on the vessel decrease. Y d. Sheeting in the sails will allow the vessel to sail closer to the wind but will decrease speed. 2198: Which statement is TRUE concerning a sailing vessel with the sails properly trimmed?
N a. The more the sails are sheeted in, the greater your speed will be when sailing downwind. N b. As the sails are sheeted in, the vessel will heel less when close hauled. N c. As the sails are sheeted in on a close hauled course, speed will increase as the side forces on the vessel decrease. Y d. Sheeting in the sails will allow the vessel to sail closer to the wind but will decrease speed. 2210: To check stability, a weight of 10 tons is lifted with the jumbo boom whose head is 45 ft. from the ship's centerline. The clinometer show's a list of 5.0° with weight suspended. Displacement including the weight is 9,000 tons. The GM while in this condition is __________.
Y a. 0.57 foot N b. 0.72 foot N c. 0.96 foot N d. 1.25 feet 2233: You are underway when a fire breaks out in the forward part of your vessel. If possible, you should __________.
N a. call for assistance N b. abandon ship to windward N c. keep going at half speed Y d. put the vessel's stern into the wind 2639: Your vessel's drafts are: FWD 23'-10", AFT 26'-00". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 18 inches? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 34 tons Y b. 45 tons N c. 55 tons N d. 61 tons 2796: On small passenger vessels cooking and heating equipment __________.
N a. shall be suitable for marine use N b. may use liquefied petroleum gas N c. cannot use gasoline Y d. All of the above 2891: The maximum angle at which the intact stability curves are valid for MODU's is the angle for __________.
N a. the limit of positive stability N b. the limit of small-angle stability N c. maximum offset Y d. downflooding 2919: All of the following are part of the fire triangle EXCEPT __________.
N a. fuel Y b. electricity N c. oxygen N d. heat 2950: You have loaded a deck cargo, and the vessel has assumed a 7° list due to negative GM. Your salt water drafts are: FWD 16'-00", AFT 16'-02". If you then load 1050 tons of cargo in the lower holds (VCG 11.0 feet) and take on 600 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2.8 feet N b. 2.5 feet Y c. 1.9 feet N d. 1.5 feet 2976: Aboard small passenger vessels the number of childrens' life jackets carried must be at least what percentage of the total number of persons aboard?
N a. 4% N b. 7.5% Y c. 10% N d. 15% 3023: A semisubmersible which flops between forward and aft angles of trim is likely to have __________.
Y a. KML less than KGL N b. an off-center LCG N c. LCG greater than LCB N d. KML greater than KMT 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 3091: When will the float-free emergency position indicating radio beacon be activated after abandoning ship?
Y a. Immediately after floating free N b. After about one hour when the salt water activates the battery N c. Only when keyed by the radar of another vessel N d. Only when daylight activates the photovoltaic cell 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 3226: The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads __________.
N a. "Warning, Keep Off, Stay Clear" N b. "Danger, Do Not Board" Y c. "Warning, No Smoking, No Open Lights, No Visitors" N d. "Dangerous Cargo Being Transferred" 3263: What is the operating principal of a flash type evaporator?
N a. Sea water is heated to boiling temperature under a vacuum. N b. Sea water is passed over heated plates in a thin film. Y c. Heated sea water is injected into a vacuum chamber. N d. Sea water is forced through a heated eductor. 3308: The quickest method to stop a small diesel engine whose throttle or governor has become stuck open is to __________.
N a. drain the fuel tank N b. turn off the ignition switch Y c. close the fuel supply valve N d. apply the shaft brake 3412: Your vessel's existing draft is FWD 24'-08", AFT 25'-04". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 180 long tons are loaded in No. 23 hatch.
N a. FWD 24'-04 2/3", AFT 25'-10 3/4" Y b. FWD 24'-06 1/2", AFT 25'-08 2/3" N c. FWD 24'-08 1/4", AFT 25'-00 2/3" N d. FWD 24'-10 1/4", AFT 25'-00 1/4" 3543: The DEEP DRILLER's lightweight is the condition prior to loading __________.
N a. deck load N b. deck load and lower-hull liquids N c. deck load, lower-hull liquids, and external loads Y d. deck load, lower-hull liquids, external loads, and deploying anchors 3574: How many fire axes should be carried by a 700 GT cargo vessel, navigating the Great Lakes?
N a. 8 Y b. 6 N c. 4 N d. 2 3740: The proper stimulant for an unconscious person is __________.
N a. tea N b. coffee N c. whiskey and water Y d. ammonia inhalant 3842: You must ensure that lifesaving equipment is __________.
N a. locked up Y b. readily accessible for use N c. inaccessible to passengers N d. on the topmost deck of the vessel at all times 3856: The immersion suit requirements for OSV apply to units operating in the Atlantic Ocean __________.
N a. above 20 degrees North and below 20 degrees South N b. above 25 degrees North and below 25 degrees South N c. above 30 degrees North and below 30 degrees South Y d. above 32 degrees North and below 32 degrees South 3872: For an OSV not on an international voyage, an approved substitute for an impulse projected type line throwing appliance is a __________.
N a. spring-loaded line thrower N b. hand thrown buoyant line Y c. shoulder type line throwing gun N d. heaving line 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 4574: The SS AMERICAN MARINER has on board 4824 tons of cargo with an LCG-FP of 277.45 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-0164
N a. LCG-FP 267.7 feet N b. LCG-FP 268.4 feet Y c. LCG-FP 269.2 feet N d. LCG-FP 270.6 feet 4703: A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the stern to re-level the jack-up if 75 kips is applied at the bow?
N a. 50 kips N b. 75 kips N c. 100 kips Y d. 150 kips 4742: You are scheduled to load 4700 tons of cargo, 45 tons of crew effects and stores and 323 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in fresh water.
N a. 19'-00" N b. 19'-03" Y c. 19'-07" N d. 20'-01" 5727: Given the same water depth and line tension, the length of the ground cable of a 90 pound/foot mooring chain compared to the length of the ground cable of a 19 pound/ft wire rope mooring line will be __________.
N a. indeterminable N b. identical N c. shorter Y d. longer 5824: The vertical distance between G and M is used as a measure of __________.
N a. stability at all angles of inclination Y b. initial stability N c. stability at angles less than the limit of positive stability N d. stability at angles less than the downflooding angle 6201: The two courses of action if the underwater hull of a MODU is severely damaged are to plug the openings and to __________.
N a. dewater the compartment Y b. establish and maintain flooding boundaries N c. secure power to the compartment N d. counter flood to maintain even keel 6265: During severe storms when survival becomes a major concern, it may become necessary to relieve high anchor tensions on the windward side of the unit by __________.
N a. deballasting the rig N b. ballasting the rig N c. paying out cable on the windward side Y d. paying out cable on the leeward side 6617: On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than __________.
N a. two persons N b. three persons Y c. four persons N d. five persons 6724: In a water tube marine boiler, what protects the superheater tubes from the fires of combustion?
N a. Water-wall tubes N b. Downcomers Y c. Screen tubes N d. Water drums 7063: The symptoms of a fractured back are __________.
N a. leg cramps in the muscles in one or both legs N b. pain and uncontrolled jerking of the legs and arms N c. vomiting and involuntary urination or bowel movement Y d. pain at the site of the fracture and possible numbness or paralysis below the injury 7097: What is a convenient and effective system of examining the body of an injury victim?
Y a. Check the corresponding (left versus right) parts of the body. N b. Watch the patient's eyes as you probe parts of the body. N c. Look for discoloration of the patient's skin. N d. Look for uncontrolled vibration or twitching of parts of the body. 7785: The result of multiplying a weight by a distance is a __________.
Y a. moment N b. force N c. couple N d. center of gravity location 8191: During a severe storm while the COASTAL DRILLER is elevated, on board loads must be shifted so that the TCG is on the centerline and the LCG is __________.
N a. 40.00 feet AF0 N b. 68.33 feet AF0 Y c. 119.44 feet AF0 N d. 160.33 feet AF0 8203: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. Including the time required to place the generators on-line, the approximate time required to lower the legs from a TOC (tip-of-can) position of 1.20 feet to 60.50 feet is __________.
N a. 8 minutes N b. 32 minutes N c. 47 minutes Y d. 55 minutes 8415: The three conditions which cause engine shutdown are overspeed, low lube oil pressure, and __________.
N a. high lube oil pressure N b. high jacket water pressure Y c. high jacket water temperature N d. low jacket water pressure 8535: You are transferring fuel from a supply vessel to your MODU. If you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.
Y a. increase N b. decrease N c. stop N d. stabilize 9705: Which of the following statements is/are FALSE in regard to Ro-Ro vessels' spaces that are "specially suitable for vehicles"?
Y a. The spaces shall NOT be fitted with a flame detecting system. N b. The spaces shall be fitted with an approved fixed CO2 fire extinguishing system. N c. As an alternative to a fixed CO2 system, the Commandant may permit a water sprinkler system. N d. All of the above