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.
100: When a vessel has positive stability, the distance between the line of force through B and the line of force through G is called the __________.
N a. metacentric height Y b. righting arm N c. righting moment N d. metacentric radius 112: Your small vessel is broken down and rolling in heavy seas. You can reduce the possibility of capsizing by __________.
Y a. rigging a sea anchor N b. constantly shifting the rudder N c. moving all personnel forward and low N d. moving all personnel aft 526: Motor-propelled lifeboats are required to have sufficient fuel to operate continuously at 6 knots for how many hours?
N a. 6 N b. 12 N c. 18 Y d. 24 736: How many liters of water per person must be carried in lifeboats on a tankship sailing a coastwise route?
N a. None N b. One N c. Two Y d. Three 739: A 7,000 ton displacement tankship carries two slack tanks of alcohol with a S.G. of 0.8. Each tank is 50 ft. long and 30 ft. wide. What is the reduction in GM due to free surface with the vessel floating in sea water, S.G. is 1.026?
N a. .36 ft N b. .46 ft Y c. .72 ft N d. .82 ft 780: The change in trim of a vessel may be found by __________.
Y a. dividing the trim moments by MT1 N b. subtracting the LCF from the LCB N c. looking at the Hydrostatic Properties Table for the draft of the vessel N d. dividing longitudinal moments by the displacement 853: When whistle signals are used for launching lifeboats, one short blast means __________.
N a. "use the float-free method only" Y b. "lower all boats" N c. "raise all boats" N d. "drill is over, secure all boats" 871: The bilge pump on a fishing vessel __________.
Y a. must be fixed if the vessel exceeds 12 meters in length N b. may be used as a fire pump N c. must be portable if there are more than 4 watertight compartments N d. must be capable of pumping at least 450 gpm 1025: Which group should be used to send the signal "Latitude 73°25'North"?
N a. G17325N Y b. L7325N N c. LA7325N N d. N7325 1268: Where must the draft marks be placed on a small passenger vessel?
N a. On each side of the stem N b. Near the stern post or rudder post N c. At each end of the vessel Y d. All of the above 1269: Life floats and buoyant apparatus used aboard small passenger vessels shall be marked in clearly legible letters and numbers __________.
Y a. with the parent vessels name in 3" high letters and the number of persons allowed with 1 1/2" high numbers N b. by a Coast Guard inspector after inspecting the equipment N c. by the American Bureau of Shipping (ABS), another recognized, authorized classification society or the vessels underwriters N d. by all of the above 1376: Which distress signal is required for a liferaft in ocean service and could be effectively used to attract the attention of aircraft at night?
N a. The water light N b. Smoke marker Y c. Red flares N d. Orange dye marker 1659: You have berthed in a port area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?
N a. A flashing yellow light Y b. A red light visible all around the horizon N c. A green light visible all around the horizon N d. An illuminated red and yellow caution flag 1731: Coast Guard Regulations permit which of the following systems to be used for fire prevention and the simultaneous inerting of cargo tanks on tank vessels?
Y a. An inert gas system N b. The deck foam system N c. The fire main system N d. A fixed water spray system 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 1871: If the cause of a sudden severe list is negative initial stability, counterflooding into empty tanks may __________.
N a. increase the righting moment N b. cause an increase in the righting arm N c. bring the vessel to an upright equilibrium position Y d. cause the vessel to flop to a greater angle 1918: Which equipment is not a source of locating signals?
N a. EPIRB's that transmit on 406 MHz Y b. Survival craft VHF transceivers that provide a beacon on 121.5 MHz N c. COSPAS-SARSAT EPIRBs N d. SARTs operating on 9 GHz 1990: What product is considered a noxious liquid substance for regulatory purposes?
N a. Acetonitrile N b. Molten sulfur Y c. Dodecanol N d. Soybean oil 2001: The person in charge of a mobile offshore drilling unit must insure that __________.
N a. each bilge pump is operated at least once a week N b. all personnel are provided with work vests N c. whistles and general alarm bells are tested once each day Y d. the date and hour of each fire drill is recorded in the log 2044: INTERNATIONAL AND INLAND You are under sail making 5 knots. The apparent wind is broad on the port beam at 10 knots. You see another sailing vessel dead ahead on a meeting course. What action is correct?
N a. Both vessels must maneuver to avoid collision. Y b. You must keep out of the way of the other vessel. N c. Only the other vessel must maneuver to avoid collision. N d. You are only required to maneuver if collision cannot be avoided by maneuver of the other vessel. 2133: If a vessel is sagging, which kind of stress is placed on the sheer strake?
Y a. Compression N b. Racking N c. Tension N d. Thrust 2155: When sailing with the wind aft, a vessel may carry sails on both sides at the same time. The sails are __________.
Y a. wing and wing N b. luffed N c. reefed N d. cringled 2395: A negative metacentric height __________.
Y a. should always be immediately corrected N b. will always cause a vessel to capsize N c. always results from off-center weights N d. All of the above are correct 2464: 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-0064
N a. 3.9 feet Y b. 4.3 feet N c. 4.7 feet N d. 5.1 feet 2529: What is a grade B flammable liquid?
N a. Ethylene oxide N b. Paraldehyde Y c. Chlorallylene N d. Allyl alcohol 2552: When can routine communications be resumed when radio silence has been imposed?
N a. After determining that the frequency or channel appears to be no longer in use N b. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications Y c. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded. N d. If, in the Master's opinion, communications on that frequency will interfere with emergency communications 2760: According to the regulations, what type of gauging is required for a cargo of butadiene?
N a. Open Y b. Restricted N c. Closed N d. None 2787: You are on a commercial fishing vessel 78 feet long. At least one of your ring buoys or throwable flotation devices must have a line of what minimum length attached?
N a. 60 feet N b. 70 feet N c. 80 feet Y d. 90 feet 2863: You are berthed at a cargo facility where you have just completed discharging a dangerous cargo from your barge. You must complete topside repairs on the barge involving hot work before sailing. Which statement is TRUE?
N a. You can make repairs with permission of the facility owner since you are empty and the cargo is on the facility. N b. The repair area must be inspected by a marine surveyor to ensure that it can be done safely. N c. Hot work repairs at such a facility are prohibited. Y d. The Captain of the Port may give specific approval to make hot work repairs. 2953: When the height of the metacenter has the same value as the height of the center of gravity, the metacentric height is equal to __________.
N a. the height of the metacenter N b. the height of the center of gravity N c. the same as half the height of the metacenter Y d. zero 3005: All vessels having a Certificate of Inspection and operating exclusively in salt water shall be dry-docked or hauled out __________. (small passenger vessel regulations)
N a. once in each calendar year N b. once in each fiscal year N c. at the time of each inspection Y d. at intervals not to exceed 2 years 3009: Which type of ventilation is required for enclosed spaces containing gasoline, machinery, or fuel tanks? (small passenger vessel regulations)
Y a. Natural supply and mechanical exhaust N b. Mechanical supply and natural exhaust N c. Mechanical supply and mechanical exhaust N d. Natural supply and natural exhaust 3030: 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-0097
N a. 7.7 feet N b. 9.1 feet N c. 9.9 feet Y d. 10.6 feet 3051: The external flotation bladder on an immersion suit should be inflated __________.
N a. only after two hours in the water N b. only after four hours in the water N c. before entry into the water Y d. upon entry into the water 3131: Damage stability of a MODU is the stability __________.
N a. which exists when the wind speed is less than 50 knots N b. before collision Y c. after flooding N d. at survival draft 3173: What is considered to be a B-II portable fire extinguisher?
N a. 2 pound dry chemical Y b. 2-1/2 gallon foam N c. 4 pound carbon dioxide N d. All of the above 3331: The stability which remains after a compartment is flooded is called __________.
N a. intact stability N b. initial stability N c. immersion stability Y d. damage stability 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. 3373: The DEEP DRILLER at survival draft loads 2,068.1 long tons of ballast. What is the new draft?
N a. 30.0 feet N b. 45.0 feet Y c. 60.0 feet N d. 75.0 feet 3419: Using the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (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 35 lbs.
N a. 785 tons each N b. 820 tons each Y c. 880 tons each N d. 900 tons each 3529: The SS AMERICAN MARINER has the following drafts: FWD 08'-11.5", 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-0138
N a. 2.15 feet Y b. 2.05 feet N c. 1.95 feet N d. 1.75 feet 3738: A crew member is unconscious and the face is flushed. You should __________.
Y a. lay the crew member down with the head and shoulders slightly raised N b. administer a liquid stimulant N c. lay the crew member down with the head lower than the feet N d. attempt to stand the crew member upright to restore consciousness 3797: What are the longitudinal moments for the contents of P-tank #1 of the DEEP DRILLER if the ullage is 2.3 feet?
Y a. -3,096 ft-tons N b. -3,880 ft-tons N c. -4,663 ft-tons N d. -6,509 ft-tons 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 3942: You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?
N a. Wet clothes during the day to decrease perspiration. N b. Get plenty of rest. N c. Keep the entrance curtains open. Y d. All of the above 3956: Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?
N a. Cut the painter line so it will not pull the liferaft container down. N b. Swim away from the container so you will not be in danger as it goes down. Y c. Take no action because 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. 4031: The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, and FSMT = 18,732 foot-long tons. What is the metacentric height corrected for transverse free surface effects?
N a. 5.66 feet N b. 7.37 feet Y c. 8.02 feet N d. 54.82 feet 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 4215: A mat-type jack-up drilling unit is the best selection for __________.
Y a. soft mud bottoms N b. uneven bottoms N c. deep water N d. hard bottoms 4487: Weights added or discharged at the center of flotation on the COASTAL DRILLER while floating will change the __________.
N a. list N b. trim Y c. true mean draft N d. TPI 4497: The COASTAL DRILLER is in transit at the load line draft. It discharges 279.93 kips of weight. The new draft is __________.
N a. 10.88 feet N b. 10.8 feet N c. 10.0 feet Y d. 10 feet 8 inches 4687: What is the decrease in vertical moments for the Coastal Driller if 2.5 feet of drill water is discharged from a full drill water tank #23?
N a. 3,464 ft-kips N b. 2,982 ft-kips Y c. 482 ft-kips N d. 161 ft-kips 4744: You operate the lever shown when the lifeboat is __________. (D013SA )
N a. in the secured position N b. at the embarkation deck N c. being lowered to sea level Y d. waterborne 5045: Your jack-up is being towed along a shipping channel. You are concerned that a vessel that is overtaking you is coming too close to pass safely. You must __________.
N a. broadcast a Mayday message N b. prepare the survival craft for launching N c. sound the abandon unit signal Y d. sound five or more short blasts on the whistle 5094: The mechanism that will release the tricing pendant, as shown, is __________. (D012SA )
N a. the fore and aft gripes Y b. the McCluny hook N c. a quick release lever N d. a 3/4" shackle 5135: In the illustration, symbol 2 represents __________. (D041DG )
N a. displacement N b. beam limit N c. bilge level Y d. baseline 5233: During counterflooding to correct a severe list or trim aggravated by an off-center load, a MODU suddenly takes a list or trim to the opposite side. You should __________.
N a. continue counterflooding in the same direction N b. continue counterflooding, but in the opposite direction Y c. immediately stop counterflooding N d. deballast from the low side 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 7046: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.
N a. blows the fire back toward the vessel N b. comes over either beam N c. comes over the stern Y d. comes over the bow 8351: What is a pinion in a jacking system?
N a. Flexible coupling N b. Flexible shaft N c. Flexible joint Y d. Gearwheel