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.
121: Your vessel has a displacement of 24,500 tons. It is 529 feet long and has a beam of 71 feet. You have timed your full charge rolling period to be 25.0 seconds. What is your vessel's approximate GM?
N a. 1.25 feet Y b. 1.56 feet N c. 1.98 feet N d. 2.43 feet 149: A signal indicating zone time is preceded with the letter __________.
N a. L N b. N Y c. T N d. Z 163: You are at sea in an inflatable liferaft. In high latitudes, the greatest danger is __________.
N a. asphyxiation due to keeping the canopy closed Y b. hypothermia caused by cold temperature N c. collapse of the raft due to cold temperatures N d. starvation 173: While adrift in an inflatable liferaft in hot, tropical weather __________.
N a. the canopy should be deflated so that it will not block cooling breezes N b. the pressure valve may be periodically opened to prevent excessive air pressure Y c. deflating the floor panels may help to cool personnel N d. the entrance curtains should never be opened 177: Before taking drinking water on board in the U.S. or its possessions, the responsible person from the vessel should determine that the source __________.
N a. is used by a city N b. has been treated with chlorine Y c. is approved by the Public Health Service N d. is not from surface water 299: Which of the following statements relating to AMVER (Automated Mutual-assistance Vessel Rescue) is TRUE?
N a. An AMVER participant is under greater obligation to render assistance to a vessel in distress than a non-participant. Y b. There is no cost to the ship or owner for messages sent within the AMVER system. N c. An AMVER participant is not relieved of the obligation to give 24 hour advance notice to the U.S. Coast Guard before entering a U.S. port from offshore. N d. The AMVER system does not reduce the time lost for vessels responding to calls for assistance. 544: In radiotelephone communications, the prefix PAN-PAN indicates that __________.
N a. a ship is threatened by grave and imminent danger and requests immediate assistance Y b. a calling station has an urgent message about the safety of a person N c. the message following the prefix will be about the safety of navigation N d. the message following is a meteorological warning 686: You should be most concerned about a possible explosion or fire in fuel tanks __________.
Y a. during fueling when the fuel first strikes the tank bottom N b. during fueling when the fuel strikes fuel already in the tank N c. when underway as the fuel is moved by wave action N d. shortly after fueling when fuel vapors gather 738: There is a fire aft aboard your vessel. To help fight the fire, you should __________.
N a. put the wind off either beam Y b. head the bow into the wind and decrease speed N c. put the stern into the wind and increase speed N d. put the stern into the wind and decrease speed 843: The signal given to commence lowering the lifeboats is __________.
N a. 3 short blasts of the ship's whistle Y b. specified on the muster list (station bill) N c. 3 long blasts of the ship's whistle N d. 1 long blast of the ship's whistle 931: The major cause of shock in burn victims is the __________.
N a. high level of pain N b. emotional stress N c. increase in body temperature and pulse rate Y d. massive loss of fluid through the burned area 942: A fifteen-pound CO2 extinguisher __________.
Y a. contains 15 pounds of CO2 N b. weighs 15 pounds when full of CO2 N c. has 15 pounds of pressure at the nozzle N d. weighs 15 pounds when empty 960: Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause __________.
N a. a decrease in reserve buoyancy N b. a decrease in the maximum draft N c. the vessel to flop to port and starboard Y d. None of the above 967: Gasoline fuel tanks on small passenger vessels must be installed __________.
Y a. independent of the hull N b. on a level higher than the engine N c. in a cool and insulated place N d. so the fuel line to the engine leads from a shut-off valve at the bottom of the tank 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 1032: When used to fight fire, carbon dioxide __________.
Y a. is effective if used promptly on an oil fire N b. has a greater cooling effect than water N c. is lighter than air N d. is harmless to cargo and crew 1219: 46 CFR Subchapter T requires that rigid plastic or other nonmetallic piping __________.
N a. only be used in non-vital systems N b. not be used in gasoline or diesel fuel systems N c. have approved metallic fittings and cutoff valves where it penetrates a watertight deck or bulkhead Y d. All of the above 1382: Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by __________.
Y a. convection N b. conduction N c. radiation N d. spontaneous combustion 1640: A Halon 1301 cylinder contains 100 pounds of liquid at 360 psi. It must be recharged when the weight drops below how many pounds of liquid?
N a. 90 N b. 92 Y c. 95 N d. 98 1712: The gross weight of a fully charged CO2 cylinder is 80 lbs. When the bottle is empty it weighs 60 lbs. What is the minimum acceptable gross weight of the CO2 bottle before it should be recharged by the manufacturer?
N a. 55 lbs N b. 68 lbs Y c. 78 lbs N d. 82 lbs 1752: Vapor recovery hoses must be tested yearly at what ratio to their maximum allowable working pressure?
Y a. 1½ mawp N b. 2 mawp N c. 3 mawp N d. 5 mawp 1823: What is the MINIMUM distance a vessel subject to the requirements of Annex V to MARPOL 73/78 must be located from nearest land to legally discharge paper trash?
N a. 5 nautical miles N b. 10 nautical miles Y c. 12 nautical miles N d. 25 nautical miles 2162: Which tank barges require draft marks?
N a. Tank barges over 50 GT N b. Tank barges over 100 GT N c. Notch barges over 1000 GT Y d. All tank barges 2177: What is the primary equipment for receiving MSI?
N a. SART N b. EPIRB Y c. NAVTEX N d. INMARSAT-B 2338: In order to check your vessel's stability, a weight of 40 tons is lifted with the jumbo boom, the boom head being 50 feet from the ship's centerline. The clinometer is then carefully read and shows a list of 5°. The vessel's displacement is 8,000 tons including the suspended weight. What will be the metacentric height of the vessel at this time?
N a. 2.74 feet N b. 2.80 feet Y c. 2.86 feet N d. 2.93 feet 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 2673: A MODU having continuous closely spaced transverse strength members is __________.
N a. longitudinally framed Y b. transversely framed N c. cellular framed N d. web framed 2716: A life float on a fishing vessel must be equipped with __________.
N a. red parachute flares N b. drinking water N c. a jackknife Y d. a light 2716: A life float on a fishing vessel must be equipped with __________.
N a. red parachute flares N b. drinking water N c. a jackknife Y d. a light 2840: If a vessel loads 400 tons of deck cargo resulting in a GM of -0.2 feet on 9000 tons of displacement, what will be the angle of loll? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 16° N b. 15° N c. 12° Y d. 9° 2846: A small passenger vessel engaging in international voyages must be dry docked at least once every __________.
N a. 6 months Y b. 12 months N c. 36 months N d. 60 months 2883: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 2998: The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of __________. (Uninspected Vessel Regulations)
N a. one approved flotation cushion for each person on board Y b. one approved life preserver for each person on board and one lifebuoy N c. one approved inflatable vest for each person on board N d. lifeboat capacity equal to 1 1/2 times the number of persons on board 3001: Which statement concerning immersion suits is TRUE?
N a. Immersion suits should be worn during routine work on deck to provide maximum protection. N b. After purchasing, the suit should be removed from its storage bag and hung on a hanger where readily accessible. Y c. Immersion suits must have a PFD light attached to the front shoulder area. N d. Small leaks or tears may be repaired using the repair kit packed with the suit. 3108: A CO2 extinguisher which has lost 10% of its charge must be __________.
N a. used at the earliest opportunity N b. hydro tested Y c. recharged N d. weighed again in one month 3230: Which statement is TRUE concerning a power driven fire pump on board a small passenger vessel?
N a. The hand fire pump shall be located adjacent to the main engine spaces. N b. It shall be of at least 2 gallons per minute capacity. N c. It shall be painted red. Y d. It may also serve as a bilge pump. 3260: A length of fire hose shall be __________. (small passenger vessel regulations)
Y a. attached to each fire hydrant at all times N b. equipped with a rotary sprinkler head N c. marked with the lot number and wholesale price N d. not more than 10 feet in length 3289: A warship indicates that it wishes to communicate with a merchant ship by hoisting __________.
N a. the merchant ship's identity signal and keeping it hoisted during the entire communication N b. the national ensign of the merchant vessel at the starboard yard N c. the flags MV close up until acknowledged and then lowering them to the dip Y d. the code pennant, and keeping it flying during the entire communication 3302: What is the minimum number of Type B-II hand portable fire extinguishers required to be aboard a 3,000 BHP, 99 GT harbor tug? (Uninspected Vessel Regulations)
N a. 2 N b. 3 Y c. 5 N d. 6 3469: The knife on an inflatable liferaft will always be located __________.
N a. in one of the equipment bags Y b. in a special pocket on the exterior of the canopy N c. on a cord hanging from the canopy N d. in a pocket on the first aid kit 3618: The SS AMERICAN MARINER has drafts of: FWD 28'-00", AFT 29'-00". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 81.05 tons of seawater.
N a. FWD 28'-06.2", AFT 28'-06.2" N b. FWD 28'-06.3", AFT 28'-08.0" Y c. FWD 28'-07.3", AFT 28'-07.8" N d. FWD 28'-10.0", AFT 28'-08.0" 3620: How should the letter "O" be pronounced when spoken on the radiotelephone?
N a. OCK TOW BER N b. O RI AN Y c. OSS CAH N d. OA KAM 3933: On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is __________.
N a. 250 gallons per minute N b. 350 gallons per minute Y c. 500 gallons per minute N d. 700 gallons per minute 4085: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 65.95 feet N b. 66.85 feet N c. 67.66 feet Y d. 68.59 feet 4153: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new draft?
N a. 60 feet 9.6 inches N b. 59 feet 2.7 inches N c. 57 feet 11.5 inches Y d. 56 feet 10.9 inches 4208: You are loading in a port subject to the winter load line mark and bound for a port subject to the summer load line mark. You will enter the summer zone after steaming six days. You will consume 32 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.005, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 93 inches N b. 90 inches Y c. 81 inches N d. 70 inches 4315: Curve A in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during severe storm conditions during transit based on __________.
Y a. stability and leg strength N b. variable load N c. environmental load N d. load line 4481: The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of __________.
N a. 13,011 kips Y b. 13,336 kips N c. 13,445 kips N d. 14,637 kips 5277: Failure of both port ballast pumps on the DEEP DRILLER prevents their use. To deballast from tank 1P, you may use the __________.
N a. port saltwater service pump N b. port drill water pump N c. port bilge pumps Y d. starboard ballast pump and the crossover system 5771: A J-chaser is used to __________.
N a. transfer a pennant wire to the anchor handling vessel N b. clean chain as it is hauled into the rig N c. lower spring buoys into the water Y d. retrieve an anchor after the buoy has been lost 6695: Each buoyant work vest on a MODU must be __________.
Y a. Coast Guard approved N b. marked with the name of the unit N c. equipped with a water light N d. All of the above 7401: In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when __________.
N a. there is a rescue craft in the area N b. water temperature is below 40°F Y c. there is a severe list to the windward side of the MODU N d. a rigid survival craft is in the area 7417: You receive a call from the U.S. Coast Guard addressed to all stations. The call begins with the words "Pan-Pan" (3 times). Which type of emergency signal would this be?
N a. Safety signal Y b. Urgency signal N c. Distress signal N d. Red alert signal 8487: The DEEP DRILLER, at a draft of 19 feet, has a KGL of 59.91 feet and an LCG of 1.57 feet. What is the trim angle?
N a. 0.2° by the stern Y b. 0.3° by the stern N c. 0.4° by the stern N d. 0.5° by the stern 9021: Aboard a vessel, dividing the sum of the longitudinal moments by the total weight yields the vessel's __________.
N a. inclining moments N b. righting moments N c. vertical moments Y d. longitudinal position of the center of gravity 9381: If the liferaft capsizes, all personnel should leave the raft and __________.
N a. climb onto the bottom N b. swim away from the raft Y c. right the raft using the righting strap N d. inflate the righting bag 9457: The center of buoyancy is located at the __________.
N a. geometric center of the waterplane area N b. intersection of the vertical centerline and line of action of the buoyant force N c. center of gravity of the vessel corrected for free surface effects Y d. geometric center of the displaced volume 9517: Aboard a vessel, dividing the sum of the transverse moments by the total weight yields the vessel's __________.
N a. vertical moments Y b. transverse position of the center of gravity N c. inclining moments N d. righting moments 9553: When the height of the metacenter is greater than the height of the center of gravity, a vessel is in __________.
Y a. stable equilibrium N b. neutral equilibrium N c. unstable equilibrium N d. negative equilibrium 9633: Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO2 fixed fire extinguishing system?
N a. Only one control activator is required for discharge piping systems designed without a stop valve. N b. Two control activators are required when a stop valve is installed in the main discharge line to a space. N c. An alarm must sound for at least 20 seconds before CO2 is released into a space that is likely to be occupied. Y d. All of the above