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.
303: Plastic material may be thrown overboard from a vessel which is __________.
N a. 25 miles from shore N b. 12 miles from shore N c. 3 miles from shore Y d. None of the above are correct. 343: An emergency sea anchor may be constructed by using __________.
N a. a boat bucket N b. an air tank filled with water N c. an oar and canvas weighted down Y d. All of the above 355: The center of flotation of a vessel is the point in the waterplane __________.
Y a. about which the vessel lists and trims N b. which coincides with the center of buoyancy N c. which, in the absence of external forces, is always vertically aligned with the center of gravity N d. which is shown in the hydrostatic tables as VCB 415: What must ocean going vessels of 100 GT to 400 GT be fitted with for oily mixtures?
N a. A fixed system to discharge the slops overboard Y b. A fixed system to discharge oily mixtures to a reception facility N c. A portable system to discharge the slops overboard N d. A portable system to discharge oily mixtures to a reception facility 621: The color of the signal flare sent up by a submarine about to surface because of an emergency on board is __________.
N a. white N b. green N c. yellow Y d. red 668: The midships house of your break bulk ship is constructed with an interior stair tower from the main deck to the bridge. Under what circumstances may the doors from each deck to the stair tower be kept open when underway?
N a. They are to be kept closed at all times. N b. They may be kept open if the ventilation or air conditioning system is shut down. Y c. They may be kept open if they can be automatically closed from the bridge. N d. They can be kept open if the Muster List ("Station Bill") has personnel designated to close them in case of fire. 676: Your vessel has 3 lifeboats on each side. The middle boat on the starboard side is designated as boat number __________.
N a. 2 N b. 2 STARBOARD Y c. 3 N d. 4 771: You are approaching another vessel and see that she has the signal flag "F" hoisted. What should you do?
N a. Continue on your present course since the vessel is signaling for a pilot. Y b. Attempt to call the vessel on VHF radiotelephone because she is disabled. N c. Stop your vessel instantly. N d. Change course to keep clear of the vessel because she is maneuvering with difficulty. 792: What is an advantage of a dry chemical extinguisher as compared to a carbon dioxide extinguisher?
N a. It has a greater duration. N b. It provides a heat shield for the operator. N c. It is nontoxic. Y d. It offers lasting, effective protection against burn-back. 940: When a vessel is inclined by an external force, the __________.
N a. shape of the vessel's underwater hull remains the same N b. vessel's center of gravity shifts to the center of the vessel's underwater hull Y c. vessel's center of buoyancy shifts to the center of the vessel's underwater hull N d. vessel's mean draft increases 944: The lifesaving signal indicating "You are seen - Assistance will be given as soon as possible" is the __________.
N a. vertical motion of white flags N b. vertical motion of a white light or flare N c. firing of a green star signal Y d. None of the above 968: Which condition is necessary for a substance to burn?
N a. The temperature of the substance must be equal to or above its fire point. N b. The air must contain oxygen in sufficient quantity. N c. The mixture of vapors with air must be within the "explosive range." Y d. All of the above 1009: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11.5". 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-0021
N a. 1.80 feet N b. 1.89 feet Y c. 1.98 feet N d. 2.05 feet 1083: On board small passenger vessels, fittings used in a gasoline supply line must be __________.
Y a. made of non-ferrous metal, and be a flare or non-bite flareless type N b. an interlocking type N c. a silver-soldered type N d. an asbestos covered type 1364: Signaling devices required on inflatable liferafts include a(n) __________.
N a. Very pistol Y b. orange smoke signal N c. air horn N d. lantern 1423: A weight of 250 tons is loaded on your vessel 95 feet forward of the tipping center. The vessel's MT1 is 1000 ft-tons. What is the total change of trim?
N a. 11.90 inches N b. 18.75 inches Y c. 23.75 inches N d. 38.01 inches 1432: You are reading the draft marks. The top 2 inches of the 9 forward is visible above the water level, and the water level is four inches below the 10 aft. What is the mean draft? (D032DG )
N a. 9'-10" Y b. 9'-06" N c. 9'-04" N d. 9'-02" 1440: A ship is inclined by moving a weight of 30 tons a distance of 30 ft. from the centerline. A 28-foot pendulum shows a deflection of 12 inches. Displacement including weight moved is 4,000 tons. KM is 27.64 feet. What is the KG?
Y a. 21.34 feet N b. 22.06 feet N c. 22.76 feet N d. 23.21 feet 1488: When compared to a high-expansion foam, a low-expansion foam will __________.
N a. be dryer N b. be lighter Y c. be more heat resistant N d. cling to vertical surfaces 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 1558: A Halon 1301 cylinder is periodically tested for weight loss and pressure loss. What minimum percentage of the full pressure can be lost before the cylinder must be recharged?
N a. 3% N b. 5% Y c. 10% N d. 15% 1756: Under federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?
N a. .18%BAC N b. .10%BAC N c. .06%BAC Y d. .04%BAC 1828: A gas-free certificate would usually be issued by a(n) __________.
N a. ABS marine surveyor Y b. certified marine chemist N c. port engineer N d. Coast Guard marine inspector 1853: On offshore drilling units each fire station is identified by letters and numbers at least __________.
Y a. 2 inches high N b. 3 inches high N c. 5 inches high N d. 8 inches high 1877: Which shipboard equipment will detect a signal from a SART?
N a. S-Band Radar N b. A DSC receiver Y c. X-Band Radar N d. The autoalarm 1992: A deep keel on a sailing vessel increases the_____________.
Y a. resistance to lateral movement N b. length-depth ratio resulting in a faster hull design N c. height of the center of gravity above the hull resulting in a more stable vessel N d. mast height to compensate for increased lateral resistance 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. 2402: How should the lifeboat sea painter be rigged?
N a. Spliced into the ring on the stem post N b. Secured by a toggle around the outboard side of a forward thwart N c. Secured by a toggle to the stem post and led outboard of the falls Y d. Secured to the inboard side of the forward thwart and led inboard of the falls 2449: You are loading epichlorohydrin onto your barge. According to the Chemical Data Guide, you could expect to detect a leak by smell if the concentration in air was at least __________.
N a. 2 ppm Y b. 10 - 25 ppm N c. 40 ppm N d. 105 ppm 2453: A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called __________.
N a. breakout wrench N b. makeup tongs Y c. chain tongs N d. pipe spinner 2466: According to regulations, access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be __________.
N a. from areas equipped with power ventilation N b. only from enclosed areas free from sources of vapor ignition Y c. from the open deck N d. from within the vessel 2576: When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.
Y a. the safety of navigation or important meteorological warnings N b. the safety of a vessel or a person is in jeopardy N c. a vessel in need of immediate assistance N d. a coast station traffic list 2879: While underway and towing an unmanned tank barge you are required to __________.
Y a. maintain a strict watch on the barge from the towing vessel N b. fly a red flag from the towing vessel N c. open the tops of all empty tanks on the barge N d. take hourly soundings of any loaded tanks on the barge 2894: The sailing drafts are: FWD 23'-10", AFT 25'-02" and the GM is 5.3 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 18° inclination.
N a. 0.8 feet N b. 1.1 feet N c. 1.5 feet Y d. 1.9 feet 2990: The SS AMERICAN MARINER arrived in port with drafts of: FWD 28'-04", AFT 30'-08". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0092
N a. FWD 29'-01", AFT 30'-01" N b. FWD 29'-03", AFT 29'-11" Y c. FWD 29'-05", AFT 29'-09" N d. FWD 29'-07", AFT 29'-07" 3129: If water is rising in the bilge of a survival craft, you should first __________.
N a. abandon the survival craft N b. check for cracks in the hull N c. shift all personnel to the stern Y d. check the bilge drain plug 3195: 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-0113
N a. FWD 18'-05", AFT 21'-05" N b. FWD 18'-00", AFT 21'-10" N c. FWD 18'-06", AFT 22'-01" Y d. FWD 17'-10", AFT 22'-00" 3328: A barge displaying a 2' X 3' white sign with the word "WARNING" followed by "DANGEROUS CARGO" in black letters __________.
Y a. would require that a cargo information card be carried in the pilothouse of the towboat N b. may not be spotted next to the towboat while under tow N c. may not be in the same tow as a barge carrying gasoline N d. must be located as a lead barge in a tow 3615: The DEEP DRILLER is moored in 700 feet of water. The tension on anchor line #3 is 200 kips. What is the vertical component of chain tension for that line?
N a. 59.1 long tons Y b. 60.9 long tons N c. 89.3 long tons N d. 487.2 long tons 3631: During an ice storm on board the DEEP DRILLER, the rig is uniformly covered with 414 tons of ice. At the beginning of the storm the rig was at 45 foot draft. After the storm the rig was at a 48 foot draft. Assume a KG of 127 feet for the new ice and an original KG of 58 feet. What is the new KG of the DEEP DRILLER?
Y a. 59.74 feet N b. 60.34 feet N c. 61.19 feet N d. 61.27 feet 3788: When you hear three short blasts on the ship's whistle and the same signal on the general alarm bells, you __________.
N a. are required to be at your liferaft Y b. are dismissed from drills N c. should point to the man overboard N d. should start the fire pump 4012: The Federal Water Pollution Control Act requires the person in charge of a vessel to immediately notify the Coast Guard as soon as he knows of any oil discharge. Failure to notify the Coast Guard can lead to a monetary fine and imprisonment up to __________.
Y a. 5 years N b. 3 years N c. 2 years N d. 1 years 4189: You are loading in the winter in Albany, N.Y., for a voyage to a port governed by the tropical load line mark. Which of the following statements is TRUE? (Hydrometer reading in Albany is 1.000)
N a. You may not exceed the winter load line mark when you finish loading except for the burnout to sea. Y b. The freshwater allowance and burnout to sea may be subtracted from the required freeboard in Albany. N c. You may calculate the burnout necessary to reach the tropical zone and load extra cargo to compensate. N d. You may load to the winter mark less the fresh water allowance if you will be at the tropical mark upon arrival in the tropical zone. 4447: When a helicopter is lifting personnel from a survival craft, the other individuals in the craft should __________.
N a. enter the water in case the person being lifted slips from the sling N b. stand on the outside of the craft to assist the person being lifted N c. remove their life preservers to prepare for their transfer to the helicopter Y d. remain seated inside the craft to provide body weight for stability 4457: Prior to entering a davit-launched liferaft, you should make sure that __________.
Y a. the liferaft is well ventilated of excess carbon dioxide N b. all personnel have removed their life preservers to facilitate boarding N c. the door flap has been cut away and stowed inside the raft N d. All of the above 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 5301: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in VCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?
N a. 0.19 foot down N b. 0.44 foot down Y c. 0.63 foot down N d. 1.19 feet down 5305: The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds less than 70 knots, has a KGT of 50.6 feet and a KGL of 51.4 feet. The margin on the maximum allowable KG is __________.
Y a. 13.6 feet N b. 14.4 feet N c. 40.0 feet N d. 65.0 feet 5407: The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the LCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom?
N a. 114.06 feet AFO N b. 119.44 feet AFO N c. 123.75 feet AFO Y d. 125.91 feet AFO 5449: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT 20'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0178
N a. 1.05 feet N b. 1.15 feet N c. 1.25 feet Y d. 1.31 feet 5751: When piggybacking anchors, the distance between the primary anchor and the secondary anchor is determined by __________.
N a. bottom conditions N b. anchor types Y c. water depth N d. workboat winch capacity 5871: The DEEP DRILLER is moored in 600 feet of water. The tension on anchor line #8 is 190 kips. What is the vertical component of chain tension for that line?
N a. 53.6 long tons Y b. 55.3 long tons N c. 84.8 long tons N d. 442.4 long tons 5905: The signal for fire alarm on a MODU must be indicated __________.
N a. at each alarm bell N b. at each alarm actuator N c. near all exits Y d. on the Muster List ("Station Bill") 6523: On the cargo manifest, the total weight of a box containing cargo is the __________.
N a. tare weight N b. net weight Y c. gross weight N d. cargo weight 6735: On a MODU, each EPIRB or SART must be tested at least once __________.
N a. each week N b. every two weeks Y c. each month N d. every two months 6967: A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?
N a. Nearest Oceanographic office N b. The Marine Safety Center at Coast Guard Headquarters N c. National Ocean Service Y d. Nearest Officer in Charge, Marine Inspection 7388: All marine low-speed diesels are of what design?
N a. Four-stroke Y b. Two-stroke N c. Electronic ignition N d. Forced exhaust 8161: A semisubmersible, displacing 20,500 long tons, has vertical moments of 1,060,000 foot-long tons. What is the change in KG if 500 long tons are discharged from a VCG of 120 feet?
N a. 1.22 feet downward Y b. 1.71 feet downward N c. 1.75 feet downward N d. 2.93 feet downward 8165: The DEEP DRILLER, loaded as shown in Sample Load Form #2 (Ballast to Survival), suffers major damage which results in flooding in tank 1S. Your best countermeasure is to __________.
Y a. pump from 2S N b. pump from C1S N c. pump from 1S N d. counterflood in 10P 9561: Vertical moments are obtained by multiplying a vessel's weight and its __________.
Y a. VCG or KG N b. LCB N c. LCG N d. TCG