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 117: Combustible gas indicators operate by drawing an air sample into the instrument __________.
Y a. over an electrically heated platinum filament N b. where it is mixed with nitrogen N c. where it is ignited by a sparking device N d. where its specific gravity is measured 171: 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 Y c. put the vessel's stern into the wind N d. keep going at half speed 452: When the handle of an all-purpose nozzle is in the forward position, the nozzle will __________.
N a. produce high-velocity fog N b. produce low-velocity fog N c. produce a straight stream Y d. shut off the water 635: The person in charge on the vessel and the person in charge at the facility must hold a meeting before starting the transfer of oil. Who must decide to start the transfer?
N a. The person in charge on the vessel N b. The person in charge at the facility Y c. Both persons in charge N d. The person in charge of either place that is doing the pumping 873: On small passenger vessels which parts of a water-cooled gasoline or diesel engine must be water-jacketed and cooled?
N a. The engine's head N b. The block N c. The exhaust manifold Y d. All of the above 905: The color of the signal flare sent up by a submarine coming to periscope depth is __________.
N a. white N b. green Y c. yellow N d. red 1038: You are piloting a vessel, which is required to have a radiotelephone, on the navigable waters of the United States. You must __________.
N a. maintain a listening watch and communicate in English N b. use the bridge-to-bridge VHF-FM designated frequency only to exchange navigational information or necessary tests N c. have on board an operator who holds a restricted radiotelephone operator permit or higher license, as well as a FCC ship station license Y d. All of the above 1148: Spontaneous combustion is most likely to occur in __________.
Y a. rags soaked in linseed oil N b. overloaded electrical circuits N c. dirty swabs and cleaning gear N d. partially loaded fuel tanks 1288: Which extinguishing agent is the best for use on electrical fires?
N a. Foam Y b. CO2 N c. Dry chemical N d. Water fog 1344: What is the purpose of the hydrostatic release on an inflatable liferaft?
Y a. To release the raft from the cradle automatically as the ship sinks N b. To inflate the raft automatically N c. To test the rafts hydrostatically N d. None of the above 1360: When lowering a boat with gravity davits, it will be pulled into the embarkation deck by the __________.
N a. falls Y b. tricing pendants N c. frapping lines N d. boat hooks 1377: On a vessel of 34,000 tons displacement, a tank 80 ft. long, 60 ft. wide and 30 ft. deep is half filled with fresh water (SG 1.000) while the vessel is floating in saltwater (SG 1.026). What is the free surface constant for this tank?
N a. 2661 N b. 2819 Y c. 40100 N d. 42213 1424: Halon gas will decompose and may form very hazardous toxic fumes when discharged __________.
Y a. directly on flames N b. at room temperature N c. in an extremely cold climate N d. None of the above 1498: The spread of fire is prevented by __________.
Y a. cooling surfaces adjacent to the fire N b. leaving combustibles in the endangered area N c. increasing the oxygen supply N d. All of the above 1625: A shipmate suffers a heart attack and stops breathing. You must __________.
N a. immediately give a stimulant, by force if necessary N b. make the victim comfortable in a bunk N c. administer oxygen Y d. immediately start CPR 1665: Which statement about stowing spare hose is TRUE?
Y a. Fold the hose so that the male coupling is about 4 feet from the female coupling, then roll it up. N b. Roll the hose starting at the female end. N c. Roll the hose starting at the male end. N d. Fold the hose into lengths about 6 feet long and then lash the folds together. 1741: The maximum allowable oxygen content within the ship's cargo tanks, inert gas piping and the vapor recovery system is __________.
N a. 4% N b. 5% Y c. 8% N d. 10% 1774: You are preparing to contain an oil spill. You must first receive approval from the Federal On-Scene Coordinator (OSC) prior to __________.
N a. employing a boom N b. using suction equipment Y c. applying chemical agents N d. deploying skimmers 1811: What should be your FIRST action if you discover a fire aboard ship?
Y a. Sound the alarm. N b. Attempt to put out the fire. N c. Confine it by closing doors, ports, vents, etc. N d. Call the Master. 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 1984: You have 550 tons of below deck tonnage including liquid mud. Your existing deck cargo is 120 tons with a VCG above the deck of 2.6 feet. What is the maximum additional deck cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 20 tons N b. 60 tons Y c. 120 tons N d. 240 tons 2201: The name of the fishing vessel is NOT required to be marked on a(n) __________.
N a. EPIRB Y b. inflatable liferaft N c. life float N d. buoyant apparatus 2372: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 23.0 feet, and the drafts are: FWD 15'-03", AFT 15'-09"; at what angle will the vessel lose positive stability?
N a. 57° N b. 72° N c. 81° Y d. 90° 2390: According to the Chemical Data Guide, ethylene oxide exhibits which fire and explosion hazard?
N a. It breaks down into highly toxic fumes of bromides. N b. It reacts with water to provide flammable vapors. Y c. It does not need oxygen for combustion. N d. Its flash point is 80.4°F. 2463: A heavy, thick-walled tube, usually steel, used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a __________.
N a. heavy-walled drill pipe N b. tool joint N c. down hole tool Y d. drill collar 2482: If a cargo of kerosene were considered "too lean" to explode, then it must be __________.
N a. above the "explosive range" N b. within the "explosive range" Y c. below the "explosive range" N d. None of the above 2497: In MODU drilling operations, the term tripping means __________.
N a. releasing the tongs from the drill pipe N b. welding hard metal to tool joints Y c. hoisting drill pipe out of and returning it to the wellbore N d. sliding a joint of drill pipe down to the pipe rack ramp 2530: Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2572: The radiotelephone urgency signal is __________.
N a. mayday Y b. pan pan N c. securite N d. seelonce feenee 2628: What normally helps in detecting escaping gas?
N a. Running hand along pipe N b. Red flame Y c. Odor N d. Increase the line pressure 2653: The deck loads on a MODU are distributed through the deck beams to the __________.
Y a. frames N b. hull N c. stringers N d. plates 2735: A load line is assigned to a MODU to insure adequate stability and __________.
N a. mooring tension N b. riser tension N c. lifesaving equipment Y d. structural strength 2883: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 2925: The free surface effects of a partially full liquid tank decrease with increased __________.
N a. density of the liquid N b. placement of the tank above the keel Y c. displacement volume of the MODU N d. size of the surface area in the tank 3058: Life floats and buoyant apparatus shall be marked __________. (small passenger vessel regulations)
N a. with the vessel's name in 3" letters N b. conspicuously in 1-1/2" letters with the number of persons allowed N c. with the vessel's name on all paddles Y d. All of the above 3081: A person who observes an individual fall overboard from an OSV should __________.
N a. immediately jump into the water to assist the individual Y b. call for help and keep the individual in sight N c. run to the radio room to send an emergency message N d. go to the control room for the distress flares 3252: Before any machinery is put in operation, you should __________.
Y a. ventilate all compartments, see that the machinery is clean and there are no obstructions N b. just turn the key and start up N c. take for granted that there are no fuel leaks N d. assume there are no volatile fumes in the engine space 3392: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0126
Y a. 595 tons N b. 870 tons N c. 1200 tons N d. 1350 tons 3475: What is the increase in the longitudinal free surface correction for the DEEP DRILLER at a draft of 60 feet if 103.48 long-tons of ballast are transferred from a full ballast tank 1P to an empty ballast tank 10S?
N a. 0.50 foot Y b. 0.47 foot N c. 0.27 foot N d. 0.13 foot 3546: According to the regulations for passenger vessels, a "motor vessel" is one which is propelled by machinery other than steam and is more than __________.
N a. 16 ft. in length N b. 34 ft. in length N c. 45 ft. in length Y d. 65 ft. in length 3651: Distress signals may be __________.
N a. red flares N b. smoke signals N c. sound signals Y d. Any of the above 3794: During an abandonment or drill, the first person to arrive at the survival craft should __________.
N a. pass out food and water to personnel N b. open the doors and start the sprinkler system N c. activate the emergency release handle Y d. open the doors and prepare the craft for boarding 3987: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new longitudinal metacentric height?
N a. 5.02 feet N b. 5.65 feet Y c. 7.33 feet N d. 7.63 feet 3993: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker?
N a. 5,996 foot-tons Y b. 1,688 foot-tons N c. 495 foot-tons N d. 115 foot-tons 4021: A towing vessel's fire detection system may be certified to comply with the Coast Guard's towing vessel fire protection regulations by _________ .
N a. a Coast Guard inspector Y b. a registered professional engineer N c. the owner or Master of the vessel N d. a licensed electrician 4210: You are loading in a port subject to the summer load line mark and bound for a port subject to the winter load line mark. You will enter the winter zone after steaming four days. You will consume 35 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.0083, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 74 inches N b. 78 inches N c. 80 inches N d. 86 inches 4218: You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of twelve days. You will consume 31 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.000, and the average TPI is 46. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 78 inches N b. 74 inches N c. 70 inches N d. 68 inches 4493: The COASTAL DRILLER, with a draft of 10 feet 6 inches, has a displacement of __________.
Y a. 13,662 kips N b. 13,553 kips N c. 13,011 kips N d. 12,252 kips 4641: What is the change in longitudinal moments for the Coastal Driller if 2.0 feet of drill water is transferred from a full drill water tank #23 to an empty drill water tank #1?
N a. 15,565 foot-kips increase N b. 7,585 foot-kips increase Y c. 15,565 foot-kips decrease N d. 16,041 foot-kips decrease 4681: The COASTAL DRILLER is in transit loaded as shown in the Sample Load Form #1 (Rig Move). What would be the new KGT if, during the move, 170.9 kips of fuel oil is consumed from Diesel Oil Tanks #13 and #14?
N a. 48.98 feet N b. 50.08 feet Y c. 50.70 feet N d. 51.21 feet 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 6261: When should the emergency position-indicating radio beacon be activated after abandoning a MODU?
Y a. Immediately N b. After one hour N c. Only when another vessel is in sight N d. Only after sunset 6767: A life preserver or buoyant work vest is required to be worn on a MODU when a person is __________.
N a. working on the rig floor Y b. working over water N c. working on the pipe racks N d. operating line throwing equipment 7657: The righting moment can be determined by multiplying the displacement by the __________.
N a. vertical center of gravity (KG) N b. longitudinal center of gravity (LCG) Y c. righting arm (GZ) N d. center of gravity (CG) 8323: The Lethal Concentration of H2S that will cause death with short-term exposure is a minimum of __________.
N a. 100 ppm N b. 200 ppm N c. 400 ppm Y d. 700 ppm 8485: The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.43 feet. What is the trim angle?
Y a. 2° by the head N b. 2° by the stern N c. 4° by the head N d. 4° by the stern 9493: On a vessel, multiplying a load's weight by the distance of the load's center of gravity above the baseline results in a(n) __________.
N a. transverse moment Y b. vertical moment N c. righting moment N d. inclining moment 9607: There is a fire aft aboard your vessel. To help fight the fire, you should __________.
Y a. head the bow into the wind and decrease speed N b. put the wind off either beam N c. put the stern into the wind and increase speed N d. put the stern into the wind and decrease speed 9624: You detect an odor of burning cotton fabric and then see smoke coming from the top of an open laundry room doorway. After activating the fire alarm, you might do any of the following next, EXCEPT __________.
N a. begin breaking out the nearest fire hose N b. secure ventilation to the room N c. close the door to the room Y d. acquire the nearest self contained breathing apparatus