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.
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 155: When oil is accidentally discharged into the water, what should you do after reporting the discharge?
Y a. Contain the oil and remove as much of it as possible from the water. N b. Throw chemical agents on the water to disperse the oil. N c. Throw sand on the water to sink the oil. N d. Obtain your permit from the Corps of Engineers 477: The radiotelephone required by the "Vessel Bridge-to-Bridge Radiotelephone Act" is for the exclusive use of __________.
N a. the Master or person in charge of the vessel N b. a person designated by the Master N c. a person on board to pilot the vessel Y d. All of the above 517: The VHF radiotelephone calling/safety/distress frequency is __________.
Y a. 156.8 MHz (channel 16) N b. 156.7 MHz (channel 14) N c. 156.65 MHz (channel 13) N d. 156.6 MHz (channel 12) 579: The letter R followed by one or more numbers indicates __________.
N a. a vessel's identity N b. bearing N c. visibility Y d. distance 658: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. N b. Fusible links must be replaced at every inspection for certification. N c. Fusible links are tested by applying a source of heat to them. Y d. Fusible links must be replaced if a damper is activated. 937: On a class "B" fire, which portable fire extinguisher would be the LEAST desirable?
N a. Carbon dioxide Y b. Water (stored pressure) N c. Dry chemical N d. Foam 1015: Which group should be used to send the signal Longitude 109°34'West?
N a. D0934 N b. LO10934W Y c. G10934 N d. L10934 1116: Line throwing apparatus aboard ship must contain __________.
N a. two rockets, one of which shall be the buoyant type N b. three rockets, one of which shall be the buoyant type Y c. four rockets, two of which shall be the buoyant type N d. five rockets, two of which shall be the buoyant type 1126: Aboard small passenger vessels which type(s) of ventilation must be provided for enclosed spaces containing gasoline engines or gasoline fuel tanks?
Y a. Natural supply and mechanical exhaust N b. At least one opening to the exterior of the hull N c. Mechanical supply and natural exhaust N d. Any of the above 1255: The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise is __________.
N a. white Y b. green N c. yellow N d. red 1261: On small passenger vessels, when must watchmen patrol throughout the vessel to guard against and give alarm in case of fire or other danger?
N a. At all times outside normal work hours N b. At all times when the vessel is underway Y c. During the nighttime when the vessel carries overnight passengers N d. When the rest of the crew is asleep 1319: Where should muster lists be posted?
N a. In crew's accommodation spaces N b. On the navigating bridge N c. In the engine room Y d. All of the above 1336: A feature of an inflatable raft which helps keep people stationary in rough weather is __________.
N a. lashings on the floor of the raft for the passenger's feet N b. straps from the overhead Y c. lifelines on the inside of the raft N d. ridges in the floor of the raft 1525: You are reading the draft marks. The top 2 inches of number "9" are visible above the waterline. What is the draft? (D032DG )
N a. 8'-10" N b. 9'-02" Y c. 9'-04" N d. 9'-08" 1629: Which statement is TRUE about fire fighting foam?
N a. The air bubbles in foam act as an insulator in fighting a class C fire. N b. The effectiveness of foam in forming a blanket over a burning liquid increases as the temperature of the liquid increases. N c. Foam can be used to control gases escaping from compressed gas cylinders. Y d. Foam sets up a vapor barrier over a flammable liquid preventing flammable gases from rising. 1887: When amendments are made to the Shipboard Oil Pollution Emergency Plan, the revisions must be submitted to the Coast Guard __________.
N a. one month before the anniversary date of the plan N b. six months before the end of the approval period Y c. and cannot be implemented without approval N d. and can be implemented without immediate approval as long as final approval is received within six months of submission 2014: Your vessel measures 131 feet long by 20 feet in beam. If the natural rolling period at a draft of 8'-03" is 6 seconds, what is the GM?
N a. 1.26 feet N b. 1.74 feet N c. 1.93 feet Y d. 2.15 feet 2015: A shroud is __________.
N a. a light sail N b. a topmast stay N c. a sheet Y d. standing rigging 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 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 2174: You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample caused the needle to move rapidly to 100 on the dial then fall to zero. What is the concentration of flammable gas?
N a. Less than the flammable range N b. Within the flammable range Y c. Over the flammable range N d. The explosimeter is defective and giving a false reading. 2223: Knowing the compass heading that is 90° to the side of a MODU will enable the operator of a survival craft to initially steer __________.
N a. into the wind Y b. away in fire and smoke N c. directly to the standby boat N d. directly to the nearest land 2230: To check stability, a weight of 40 tons is lifted with the jumbo boom, whose head is 40 feet from the ship's centerline. The clinometer shows a list of 6.5° with the weight suspended. Displacement including weight is 16,000 tons. The GM while in this condition is __________.
N a. 0.21 foot N b. 0.43 foot Y c. 0.88 foot N d. 1.02 feet 2267: During the towing of a survival craft, a lookout should be on station to __________.
Y a. release the towline in an emergency N b. help the helmsman steer N c. look for food and water N d. check the water level in the bilge 2334: Which flash point would indicate a grade E combustible liquid?
N a. 80°F N b. 75°F N c. 140°F Y d. 155°F 2378: A vessel's drafts are FWD 23'-01", AFT 24'-11". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if: (1) 142 tons are discharged 122 feet forward of amidships; (2) 321 tons are loaded 82 feet forward of amidships; and (3) 74 tons are discharged 62 feet aft of amidships.
N a. FWD 23'-05", AFT 24'-00" N b. FWD 23'-06", AFT 24'-02" N c. FWD 23'-07", AFT 24'-03" Y d. FWD 23'-09", AFT 24'-05" 2387: A magnetic compass card is marked in how many degrees?
N a. 90 N b. 180 Y c. 360 N d. 400 2441: A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the __________.
N a. lifts N b. collars Y c. elevators N d. clamps 2655: Support of MODU side plating is provided primarily by transverse __________.
N a. beams N b. girders Y c. frames N d. bulkheads 2829: Aboard small passenger vessels the steering gear, signaling whistle, controls, and communication system shall be tested by the Master __________.
N a. once a week Y b. before getting underway for the day's operation N c. at every inspection and reinspection N d. at least once in every 48 hours 2889: Switchboards shall be ...... (small passenger vessel regulations)
N a. Watertight. N b. Grounded to the main engine on a wooden hulled boat. Y c. The dead-front type, totally enclosed N d. Equipped with switch locks 2943: A virtual rise in the center of gravity of a MODU may be caused by __________.
N a. filling a partially filled tank Y b. using an on board crane to lift a freely swinging heavy object N c. emptying a partially filled tank N d. transferring pipe from the setback area to the pipe rack 3054: Your sailing drafts are: FWD 22'-04", AFT 23'-06" and the GM is 3.2 feet. What will be the angle of list if #3 starboard double bottom (capacity 97 tons, VCG 2.5 feet and 23 feet off the centerline) is filled with saltwater? (Use the data in Section 1, the blue pages, of the Stability Data Reference Book)
N a. Less than 1° Y b. 3° N c. 7° N d. 11° 3188: The air spaces in the floor of an inflatable liferaft will provide protection against __________.
N a. asphyxiation from CO2 N b. loss of air in the sides of the raft N c. rough seas Y d. cold water temperatures 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" 3273: A semisubmersible with a displacement of 20,000 long tons and a KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. What is the change in KG?
N a. 0.79 foot downward N b. 1.00 foot downward Y c. 1.04 feet downward N d. 1.83 feet downward 3375: The DEEP DRILLER at a draft of 58.0 feet discharges 1,792.44 long tons of ballast. What is the new draft?
N a. 40 feet Y b. 45 feet N c. 50 feet N d. 55 feet 3443: The DEEP DRILLER, at a draft of 60 feet, has a KGT of 57.11 feet and TCG of 0.5 foot to port. What is the list angle?
N a. 2° port N b. 3° port N c. 4° port Y d. 5° port 3528: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0137
N a. 271.2 ft N b. 288.8 ft Y c. 294.4 ft N d. 305.3 ft 3536: There are two disadvantages to CO2 as a firefighting agent. One of these is the limited quantity available, and the other is __________.
Y a. the lack of cooling effect on heated materials N b. that it cannot be used in a dead ship situation with no electrical power to the CO2 pump N c. that it breaks down under extreme heat to form poisonous gases N d. there is no effect on a class A fire even in an enclosed space 3573: The DEEP DRILLER in transit is level at 23.0 feet draft. Strong winds are blowing from the starboard. A careful load form calculation determines that the TCG is 2.0 feet to starboard. What is the value of the wind heeling moment?
N a. 4,339 foot-long tons Y b. 26,033 foot-long tons N c. 39,050 foot-long tons N d. 78,099 foot-long tons 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 4119: A large fire, involving class "A" material, has developed in the ship's galley. In combating this fire, you should __________.
N a. keep the galley door closed until all the class "A" material has been consumed by the fire N b. have a hose team cool the galley door, then open the door and extinguish the fire using a type B-II extinguisher Y c. cool adjoining horizontal and vertical surfaces before opening the galley door N d. advance the hose team into the galley without any preparatory action 4125: The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moment 51,466 foot-kips, and total transverse moments -10,000 foot-kips. What is the transverse location of the missing load?
N a. 36.67 feet N b. 0.56 foot N c. -0.55 foot Y d. -36.67 feet 4193: While going on location in 250 feet water depth when the pitch angle of the COASTAL DRILLER is 2 degrees, the single amplitude pitch period should be longer than __________.
N a. 0.2 second N b. 0.4 second N c. 4.9 seconds Y d. 13.9 seconds 4220: 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 39 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.025, and the average TPI is 49. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 90 inches N b. 87 inches N c. 80 inches N d. 77 inches 4226: 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 seven days. You will consume 38 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.004, and the average TPI is 72. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 85 inches Y b. 90 inches N c. 92 inches N d. 94 inches 4617: On the COASTAL DRILLER, in case one of the two bilge pits is flooded, the other can operate through a(n)__________.
N a. six-inch line connected to the independent isolation valves to the sea chest N b. separate bilge discharge manifold N c. independent scavenger manifold Y d. crossover arrangement 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 5412: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 21'-04", AFT 26'-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-0177
Y a. 0.62 foot N b. 0.80 foot N c. 0.85 foot N d. 0.99 foot 5617: Structural stress on a MODU can be reduced by __________.
N a. lessening the effect of environmental forces Y b. even and symmetrical variable loading N c. local concentration of heavy consumables N d. increasing the metacentric height 5668: Your drafts are: FWD 16'-02", AFT 18'-02". Use the blue pages of the Stability Data Reference Book to determine the MT1.
N a. 935 foot-tons Y b. 960 foot-tons N c. 985 foot-tons N d. 1000 foot-tons 5934: You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you need help?
N a. 1 N b. 2 N c. 3 Y d. 4 6473: On an offshore drilling rig, the pumps which circulate drilling fluid through the drill string while drilling are called the __________.
N a. circulation pumps Y b. mud pumps N c. centrifugal pumps N d. mixing pumps 6684: The SS AMERICAN MARINER has drafts of: FWD 19'-04", AFT 21'-02". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 68 tons of seawater.
N a. FWD 19'-09.7", AFT 20'-10.0" Y b. FWD 19'-11.1", AFT 20'-09.4" N c. FWD 19'-11.7", AFT 20'-08.8" N d. FWD 20'-00.3", AFT 20'-08.2" 6693: The litter on a MODU must be able to __________.
N a. carry at least two injured persons N b. float for at least two hours Y c. be used on the types of helicopters serving the unit N d. All of the above 6841: What must the Master or person in charge of a MODU enter in the logbook after conducting an abandonment drill?
N a. The sea condition at the time of the drill Y b. Which survival craft was used N c. The names of all crew members participating in the drill N d. The name of the lifeboatman in charge of each boat 8693: While in transit at a draft of 20.5 feet, the DEEP DRILLER has a KGT of 65.00 feet. What is the GMT?
Y a. 7.55 feet N b. 5.42 feet N c. 5.30 feet N d. 5.10 feet 8727: The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, LM = 40,301 foot-long tons, TM = 3 foot-long tons, FSML = 30,572 foot-long tons, and FSMT = 18,732 foot-long tons. What is the longitudinal free surface correction to KG?
N a. 0.00 feet N b. 1.03 feet Y c. 1.69 feet N d. 2.22 feet