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.
10: What is the definition of transverse metacenter?
N a. The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability. Y b. The point to which G may rise and still permit the vessel to possess positive stability. N c. The sum of the center of buoyancy and the center of gravity. N d. The transverse shift of the center of buoyancy as a vessel rolls. 33: Inflatable liferafts are less maneuverable than lifeboats due to their __________.
N a. shape N b. shallow draft N c. large sail area Y d. All of the above 88: You are attempting to administer CPR to a victim. When you blow into his mouth it is apparent that no air is getting into the lungs. What should you do?
N a. Blow harder to force the air past the tongue. N b. Raise the victim's head higher than his feet. N c. Press on the victim's lungs so that air pressure will blow out any obstruction. Y d. Re-tip the head and try again. 147: Your vessel is on a voyage of three months duration. The number of sanitary inspections required is __________.
Y a. one N b. three N c. six N d. twelve 194: Which signal given by flashing light changes a statement into a question?
N a. C Y b. RQ N c. N N d. NO 221: Which statement about the free surface effect is TRUE?
N a. It increases in direct proportion to the length of the tank times the breadth squared. Y b. It decreases at increased angles of heel due to pocketing when a tank is 90% full. N c. It decreases in direct proportion to increasing specific gravity of the liquid in the tank. N d. In practice, the correction is considered to be a virtual reduction of KG. 232: You are tending the lifeline of a person who has entered a compartment wearing a breathing apparatus. How many tugs of the lifeline mean "Are you all right"?
Y a. One N b. Two N c. Three N d. Four 386: On vessels subject to 46 CFR Subchapter T, Certification Expiration Date Stickers __________.
N a. are issued along with a valid Certificate of Inspection (COI) to indicate the date the COI expires N b. must be readily visible to each passenger prior to boarding and to patrolling Coast Guard law enforcement personnel N c. must be placed on glass or other smooth surfaces where they may be removed without damage to the vessel Y d. All of the above 406: A SOLAS passenger ship safety certificate is required on all __________.
N a. T-Boats carrying more than 49 passengers for hire Y b. T-Boats that carry more than 12 passengers on an international voyage N c. T-Boats carrying more than 150 passengers for hire N d. large excursion vessels on lakes, bays, sounds, and river routes 411: Under Annex V to MARPOL 73/78, garbage discharged from vessels that are located between 3 and 12 nautical miles from nearest land must be ground to less than __________.
Y a. 1" N b. 1-1/4" N c. 1-1/2" N d. 2" 440: You are making a heavy lift with the jumbo boom. Your vessel displaces 8390 T. The 40 ton weight is on the pier and its center is 55' to starboard of the centerline. The head of the boom is 110' above the base line and the center of gravity of the lift when stowed on deck will be 45' above the base line. As the jumbo boom takes the strain the ship lists to 3.5°. What is the GM with the cargo stowed?
Y a. 4.58 feet N b. 4.27 feet N c. 3.93 feet N d. 3.68 feet 484: A message warning of a tropical storm should be sent as a(n) __________.
N a. routine message N b. urgent message N c. distress message Y d. safety message 495: No vessel may use or carry an oil transfer hose unless it meets certain requirements. Which of the following is NOT among those requirements?
Y a. Metallic reinforcement N b. A bursting pressure that is at least four times the sum of the relief valve setting and the static head N c. A working pressure that is more than the sum of the relief valve setting and the static head N d. Identification markings 551: A shaft alley divides a vessel's cargo hold into two tanks, each 20 ft. wide by 60 ft. long. Each tank is filled with saltwater below the level of the shaft alley. The vessel's displacement is 7,000 tons. What is the reduction in GM due to free surface effect?
N a. .29 feet Y b. .33 feet N c. .38 feet N d. .42 feet 723: The color of the signal flare sent up by a submarine to indicate an emergency condition within the submarine is __________.
Y a. red N b. white N c. yellow N d. green 735: You are fueling your vessel when you notice oil in the water around your vessel. You should immediately stop fueling and __________.
N a. begin cleanup operations Y b. notify the U. S. Coast Guard N c. leave the area N d. notify the Corps of Engineers 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 749: Small passenger vessels on rivers routes in cold water must be provided with life floats of an aggregate capacity to accommodate __________.
Y a. at least 50% of all persons on board or meet certain construction standards N b. 100% of the crew and 50% of all passengers allowed to be carried N c. not less than 50% of all passengers on board at the time N d. All persons on board (100% of all passengers and crew) 860: A ship's forward draft is 22'-04" and its after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight __________.
N a. at the bow N b. in the lower holds Y c. amidships N d. at the ends 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 951: If a crewman suffers a second-degree burn on the arm, you should __________.
N a. drain any blisters N b. apply antiseptic ointment N c. scrub the arm thoroughly to prevent infection Y d. immerse the arm in cold water 982: In continuous operation, the effective range of the 15 pound CO2 extinguisher is limited to __________.
N a. 2 to 4 feet Y b. 3 to 8 feet N c. 9 to 12 feet N d. 10 to 15 feet 1232: A marine chemist issues gas free certificates and is certified by which organization?
N a. Mine Safety Appliance Association N b. American Chemical Society N c. Marine Chemists Association Y d. National Fire Protection Association 1620: One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that __________.
N a. it can break down under high heat and emit noxious fumes N b. it will decompose under prolonged storage and lose its effectiveness Y c. fire has been known to flash back over the surface of an oil fire N d. it is ineffective in fighting fires in high-voltage electrical equipment 1895: How can a SART's effective range be maximized?
N a. The SART should be placed in water immediately upon activation. Y b. The SART should be held as high as possible. N c. Switch the SART into the "high" power position. N d. If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal. 1997: Vessels to which Annex V to MARPOL 73/78 applies may discharge garbage containing plastics __________.
N a. 5 nautical miles from nearest land N b. 12 nautical miles from nearest land N c. 25 nautical miles from nearest land Y d. None of the above 2381: Beyond the area of state ownership in the U.S. outer continental shelf, the right to drill is controlled by the __________.
N a. U.S. Coast Guard Y b. Minerals Management Service N c. American Bureau of Shipping N d. U.S. Corps of Engineers 2486: 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-0065
Y a. Available GM 5.0 ft N b. Available GM 5.4 ft N c. Available GM 6.1 ft N d. Available GM 6.8 ft 2539: If you came into contact with nitrobenzene while disconnecting the cargo hose, you should be aware that it is __________.
N a. highly toxic when absorbed through the skin N b. a blood poison N c. a nerve poison Y d. All of the above 2806: A vessel heading NW is on a course of __________.
N a. 274.5° N b. 292.5° Y c. 315.0° N d. 337.5° 2861: What is the minimum number of portable fire extinguishers required on board a 45-foot towing vessel having a fixed fire system on board? (Uninspected Vessel Regulations)
N a. 1 B-I Y b. 2 B-I N c. 3 B-I N d. 4 B-I 2895: The downflooding angle for a MODU is the minimum angle at which __________.
N a. the load line becomes submerged Y b. a non-watertight opening is at still water level N c. offset becomes excessive N d. reserve buoyancy is a maximum 2952: Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil?
N a. The loading dock Y b. The midpoint of the barge N c. Within 25 feet of the pump engine N d. Above the forward rake end 2965: Which is TRUE concerning immersion suits and their use?
N a. Only a light layer of clothing may be worn underneath. Y b. They provide sufficient flotation to do away with the necessity of wearing a life jacket. N c. They should be tight fitting. N d. A puncture in the suit will not appreciably reduce its value. 3437: A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?
N a. 2.0 feet N b. 2.4 feet Y c. 3.0 feet N d. 6.0 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 3525: Among the equipment included in the DEEP DRILLER lightweight are the loading hoses, derrick, traveling block in the lowest position, mooring chain, all machinery with liquids to normal operating level, and __________.
N a. normal food supplies for 79 persons N b. eight anchor buoys Y c. anchors N d. lower hull fuel 3542: An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?
N a. Fire a red flare at night or a red smoke signal by day Y b. Send the Morse signal "N" by flashing light N c. Make a round turn (360°) and resume course N d. Make an "S" turn (hard right then hard left) and resume course 3685: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and aft inclination. The wind and waves are light. This inclination could have been caused by __________.
N a. the failure of mooring lines 6 and 7 N b. the drilling crew dumping the mud N c. the drill string breaking Y d. ballast tanks equalizing into tank 10S 3974: In the illustration, the sea anchor is shown as item number_____. (D014SA )
N a. 7 N b. 13 N c. 15 Y d. 14 4113: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for transverse free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?
N a. 10.42 feet N b. 10.87 feet N c. 11.50 feet Y d. 12.13 feet 4455: What is the primary advantage of a davit-launched liferaft in comparison to an inflatable liferaft?
N a. The davit-launched liferaft is easier to maintain. N b. The davit-launched liferaft is made of fire-retardant material. N c. The davit-launched liferaft has a built-in sprinkler system for fire protection. Y d. The davit-launched liferaft enables personnel to enter the raft without having to enter the water. 4471: A severe storm threatens the COASTAL DRILLER, and a decision is made to evacuate the unit. If practical, all non-essential personnel should be off the unit in advance of the storm's predicted arrival by __________.
N a. 12 hours N b. 24 hours N c. 36 hours Y d. 48 hours 4594: As shown, a frapping line is indicated by number __________. (D016SA )
N a. 1 Y b. 2 N c. 3 N d. 4 4811: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KMT if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 135.91 feet Y b. 136.38 feet N c. 136.62 feet N d. 136.89 feet 4837: When the bypass valve of a self-contained breathing apparatus is opened, the mainline valve should be __________.
N a. completely open Y b. completely closed N c. pinched to check the air flow N d. immediately disconnected 5081: What color are obstruction lights on mobile offshore drilling units that are located on the waters of the U.S. Outer Continental Shelf seaward of the line of demarcation?
Y a. White N b. Red N c. Yellow N d. Blue 5273: The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C3S. Your best countermeasure is to __________.
N a. pump from 10S N b. counterflood in 1P Y c. pump from 8S N d. pump from C3S 5725: Given the same water depth and line tension, the catenary length of a 90 pound/foot mooring chain in comparison to the catenary length of a 19 pound/foot wire rope mooring line will be __________.
N a. longer N b. identical Y c. shorter N d. indeterminable 5814: Your drafts are: FWD 18'-03", AFT 21'-09". What is the KM based on the tables in the blue pages of the Stability Data Reference Book?
N a. 25.2 feet Y b. 25.6 feet N c. 25.9 feet N d. 26.3 feet 5883: In selecting a tug for moving a MODU, consideration should be given to its __________.
N a. indicated horsepower, bollard pull, and displacement N b. indicated horsepower, maneuverability, and displacement N c. indicated horsepower, bollard pull, and maneuverability Y d. bollard pull, displacement, and maneuverability 7725: Reserve buoyancy is the __________.
N a. unoccupied space below the waterline Y b. volume of intact space above the waterline N c. excess of the buoyant force over the gravity force N d. difference in the buoyant force in salt and fresh waters 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 8584: When transferring survivors from an enclosed lifeboat to a rescue vessel, personnel on board the boat should __________.
N a. remove their life preservers to make it easier to climb on board the rescue vessel N b. climb on top of the boat while waiting for their turn to transfer to the rescue vessel Y c. remain seated inside and make the transfer one person at a time N d. enter the water and swim over to the rescue vessel 8697: The DEEP DRILLER, at 58.0 feet draft in sea water, loads 200 long tons. What is the new displacement?
N a. 17,642 long tons N b. 17,842 long tons Y c. 18,042 long tons N d. 18,118 long tons 9205: When you are firing a pyrotechnic distress signal, it should be aimed __________.
N a. horizontally and directly abeam of your vessel N b. at the vessel whose attention you want to attract N c. into the wind Y d. at greater than 60 degrees above the horizon 9255: A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a __________.
N a. dump valve N b. deflector N c. separator Y d. diverter 9306: When two generators are operating in parallel, what will happen if one engine driving a generator shuts down?
N a. The generator that's still running will motorize. N b. Both generators will immediately shut down. N c. The running generator's circuit breaker will immediately trip on overload. Y d. The stalled generator's circuit breaker will trip on reverse power. 9391: Once you have established the daily ration of drinking water in a survival situation, how should you drink it?
N a. Small sips at regular intervals during the day N b. The complete daily ration at one time during the day Y c. One-third the daily ration three times daily N d. Small sips only after sunset 9543: Stable equilibrium for a vessel means that the metacenter is __________.
N a. at a lower level than the baseline N b. on the longitudinal centerline Y c. higher than the center of gravity N d. at amidships