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.
22: An inert gas system installed on a tanker is designed to __________.
N a. aid in the stripping and cleaning of cargo tanks N b. increase the rate of discharge of cargo N c. force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere Y d. lower the oxygen levels inside cargo tanks, making explosion nearly impossible 59: Where on your vessel shall the recharge for each self-contained breathing apparatus be carried?
N a. Emergency gear locker N b. Bridge or pilothouse area N c. Where they can be readily found Y d. The same location as the equipment it reactivates 74: Outlets in gasoline fuel lines are __________.
Y a. prohibited N b. permitted for draining fuel from lines N c. permitted for drawing fuel samples N d. permitted for bleeding air from lines 111: In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by __________.
Y a. convection N b. conduction N c. radiation N d. ventilation 182: Which abbreviation refers to the horizontal distance between perpendiculars taken at the forward-most and the after-most points on a small passenger vessel's waterline at her deepest operating draft?
Y a. LBP N b. LOA N c. LWL N d. LLL 554: When using the International Code of Signals to communicate, the end of a radiotelephone transmission is indicated by the signal __________.
N a. YZ N b. CQ N c. WA Y d. AR 595: How long shall the operator of a vessel employed in the transferring of oil to other vessels keep the Declaration of Inspection of those transfers?
N a. 1 week from date of signature N b. 2 weeks from date of signature Y c. 1 month from date of signature N d. 6 months from date of signature 681: Size III, IV, and V extinguishers are considered __________.
N a. hand portable N b. all purpose N c. fixed extinguishers Y d. semi-portable 788: Fires of which class would most likely occur in the engine room of a vessel?
N a. Classes A and B Y b. Classes B and C N c. Classes C and D N d. Classes A and D 790: Which would NOT provide extra buoyancy for a vessel with no sheer?
N a. Lighter draft N b. Raised fo'c'sle head N c. Raised poop Y d. Higher bulwark 792: What is an advantage of a dry chemical extinguisher as compared to a carbon dioxide extinguisher?
N a. It has a greater duration. N b. It provides a heat shield for the operator. N c. It is nontoxic. Y d. It offers lasting, effective protection against burn-back. 796: When discharging a portable CO2 fire extinguisher, you should NOT hold the horn of the extinguisher because the horn __________.
N a. becomes extremely hot Y b. becomes extremely cold N c. could come off in your hands N d. is placed directly in the flames 838: A class C fire would be burning __________.
N a. fuel oil N b. wood N c. celluloid Y d. electrical insulation 1001: Which statement about entering into a tank which has been sealed for a long time is TRUE?
N a. The tank should be tested only once to ensure the oxygen content is at least 14% before entry. Y b. The tank must be tested at frequent intervals to ensure that hazardous gasses have not regenerated. N c. The tank need not be tested for oxygen content if it is ventilated for more than 24 hours. N d. If the oxygen content tests at less than 12% you should wear an approved gas mask. 1029: Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
N a. Towing vessel 26 feet in length or greater N b. Passenger vessels of 100 gross tons or greater, carrying one or more passengers for hire N c. Power-driven vessels 20 meters in length or greater Y d. All of the above 1165: When in command of a lifeboat under oars, the command "Backwater" means to __________.
N a. lift oars to vertical position, trim blades fore and aft with handles resting on footings N b. complete the stroke, come to "Oars", raise oars smartly to vertical, rest handles on footing, trim blades fore and aft Y c. row in astern motion N d. complete stroke, stop rowing, dip blade about halfway into water, hold water to stop the way on the boat 1174: In general, batteries aboard small passenger vessels should be __________.
N a. as high above the bilge as practicable N b. stowed in well-ventilated spaces to allow dissipation of any gases generated N c. accessible for maintenance and removal Y d. All of the above 1177: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0030
N a. 1.20 feet N b. 1.64 feet Y c. 2.26 feet N d. 3.00 feet 1194: Which operation should be done when launching an inflatable liferaft by hand?
N a. Open the liferaft casing. N b. Turn the valve on the CO2 cylinder to start inflation. Y c. Make sure the operating cord is secured to the vessel before throwing it over the side. N d. After inflation, detach operating cord from liferaft. 1352: If you have a fire in the engine room, your FIRST act should be to __________.
N a. discharge the fixed CO2 system into the engine room Y b. secure the fuel supply and ventilation to the engine room N c. maneuver your vessel into the wind N d. have all of your crew get into the liferaft 1582: You are off the coast of South Africa, when a seaman is injured. What indicator should be used in a message requesting medical advice from a South African station?
N a. DH MEDICO N b. XXX RADIOMEDICAL N c. MEDRAD Y d. PORT HEALTH 1696: Which statement(s) is(are) TRUE?
N a. Polyester sailcloth, such as Dacron, is resistant to rot due to moisture but susceptible to UV degradation and should be kept covered as much as possible. N b. Canvas sailcloth is susceptible to rot due to moisture and should never be covered when wet. N c. Kevlar sail cloth is susceptible to weakening due to repeated folding and therefore should be draped loosely over the boom when stowed. Y d. All of the above are true. 1800: Which U.S. agency issues a Certificate of Financial Responsibility?
N a. Environmental Protection Agency Y b. Coast Guard N c. Corps of Engineers N d. Maritime Administration 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. 1872: Your vessel displaces 641 tons. The existing deck cargo has a center of gravity of 3.6 feet above the deck and weighs 36 tons. If you load 22 tons of ground tackle with an estimated center of gravity of 2.0 feet above the deck, what is the final height of the CG of the deck cargo?
N a. 2.33 feet N b. 2.55 feet N c. 2.77 feet Y d. 2.99 feet 1992: A deep keel on a sailing vessel increases the_____________.
Y a. resistance to lateral movement N b. length-depth ratio resulting in a faster hull design N c. height of the center of gravity above the hull resulting in a more stable vessel N d. mast height to compensate for increased lateral resistance 2348: Regulations require that venting for cargo tanks in which only grades D or E liquids are to be transported shall, as a MINIMUM, be of which type? (tank barge constructed on or after July 1, 1951)
N a. Straight vents open to atmosphere N b. Individual pressure vacuum relief valves N c. Branch vent lines connected to a vent header system Y d. Gooseneck vents and flame screens 2812: What is correct with respect to required watertight bulkheads on small passenger vessels less than 100 GT?
N a. Penetrations are prohibited. Y b. Sluice valves are not permitted. N c. Each bulkhead must be stepped at its midpoint. N d. All of the above 2816: When a lifeline is required to be attached to a ring life buoy it must be at least __________. (small passenger vessel regulations)
N a. 30 feet long Y b. 60 feet long N c. 90 feet long N d. 120 feet long 2854: The sailing drafts are: FWD 14'-08", AFT 15'-06" and the GM is 4.8 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 40° inclination.
N a. 3.3 feet N b. 3.7 feet Y c. 4.3 feet N d. 5.4 feet 2912: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 15'-01". 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-0086
Y a. 0.68 foot N b. 0.85 foot N c. 0.97 foot N d. 1.30 feet 2940: You have loaded a deck cargo, and the vessel has assumed a 5° list due to negative GM. Your salt water drafts are: FWD 16'-05", AFT 16'-07". If you then load 1200 tons of cargo in the lower holds (VCG 11 feet) and take on 520 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2.5 feet Y b. 2.0 feet N c. 1.4 feet N d. 0.6 foot 3010: 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-0096
Y a. Available GM 4.07 ft N b. Available GM 4.60 ft N c. Available GM 4.69 ft N d. Available GM 4.81 ft 3053: On an OSV, when may a work vest be substituted for a required life jacket?
N a. To replace a damaged life jacket N b. For use during fire drills N c. For use during boat drills Y d. At no time 3169: Which license or document enable a person to serve as person in charge of a tank barge which is transferring cargo?
N a. Operator of Uninspected Towing Vessels Y b. Certified Tankerman N c. Able Seaman N d. Ordinary Seaman/Wiper 3232: Which statement is TRUE concerning work vests aboard a vessel? (Uninspected Vessel Regulations)
N a. They may be worn during drills. N b. They may be substituted for up to 10% of the required lifesaving gear aboard. N c. They need not be of an approved type. Y d. They must be stowed separately from approved life preservers. 3307: You are signaling by flag hoist using the International Code of Signals. You wish to send the signals CL and IW and have them read in that order. What would ensure this?
N a. Hoist CL from the starboard yard and IW from the port yard. N b. Hoist CLIW together. Y c. Hoist CL tackline IW N d. Any of the above will ensure the correct reading. 3390: Non-required lifesaving equipment carried as additional equipment aboard small passenger vessels __________.
N a. must be removed when carrying passengers Y b. must be approved by the Commandant N c. may be substituted for not more than 5% of the required lifejackets N d. may be carried regardless of approval or condition, if in excess of required lifesaving equipment 3411: 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-0127
Y a. 7.9 feet N b. 7.3 feet N c. 6.4 feet N d. 4.3 feet 3417: Which statement is TRUE concerning an inflatable liferaft?
N a. The floor may be inflated for insulation from cold water. N b. Crew members may jump into the raft without damaging it. N c. The raft may be boarded before it is fully inflated. Y d. All of the above 3449: How many ring life buoys should a 700 foot cargo vessel, not subject to SOLAS, navigating the Great Lakes carry?
N a. 12 Y b. 14 N c. 18 N d. 24 3640: How should the number "2" be pronounced when spoken on the radiotelephone?
N a. NUM-BER-TOO Y b. BEES-SOH-TOO N c. DOS-SOH-TU N d. NEM-MARL-TWO 3737: The most important consideration in the event the Deep Driller suffers damage is __________.
Y a. preserve reserve buoyancy N b. advise authorities N c. pump from adjacent undamaged compartments N d. counterflood on the opposite corner 3820: Once the daily ration of drinking water in a survival situation has been established, the drinking routine should include __________.
N a. small sips at regular intervals during the day N b. a complete daily ration at one time during the day Y c. one-third the daily ration three times during the day N d. small sips only after sunset 4038: Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT ____________ .
Y a. start the mechanical ventilation system for the engine room N b. operate the fuel shut-off for the engine room N c. operate all fire extinguishing equipment aboard the vessel on board the vessel, including starting the fire pump N d. All of the above 4256: The SS AMERICAN MARINER has drafts of: FWD 28'-00", AFT 30'-04". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 110.8 tons of seawater.
N a. FWD 28'-08.2", AFT 29'-11.6" N b. FWD 28'-09.0", AFT 29' 11.0" Y c. FWD 28'-09.8", AFT 29' 10.4" N d. FWD 28'-10.6", AFT 29' 09.8" 4298: What would white exhaust smoke from a diesel engine probably mean?
Y a. Late fuel injection N b. Excess combustion air N c. High compression temperature N d. Excessive lube oil consumption 4851: The self-contained breathing device should not be used in which situation?
N a. Oxygen deficient spaces N b. Compartments containing poisonous vapors N c. Fighting fires that produce heavy smoke Y d. Underwater search 5287: The DEEP DRILLER, loaded as shown in Sample Load Form #1 (Transit), suffers minor damage which results in flooding in tank 1S. You may pump from __________.
N a. 2S N b. C1S Y c. 1S N d. 10P 5813: An ideal mooring system would be __________.
Y a. symmetrical and in equilibrium N b. asymmetrical and in flux N c. distorted and in equilibrium N d. concentric and in flux 6177: Fires on a MODU must be reported to the Coast Guard if there is death, injury resulting in more than 72 hours incapacitation, or property damage in excess of __________.
N a. $ 5,000 N b. $10,000 Y c. $25,000 N d. $50,000 6547: Nonflammable gases should have what kind of label?
N a. Skull and crossbones N b. White Y c. Green N d. Red 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 7323: Whenever your marine radio is on, FCC Rules require you to monitor __________.
N a. a commercial ship-to-ship channel N b. the last frequency that was used Y c. the distress and calling frequency N d. the radio only if expecting a call 7603: Initial stability refers to stability __________.
Y a. at small angles of inclination N b. when loaded with minimum deck load N c. when at transit draft N d. when GZ is zero 7648: Buoyant apparatus are required to be fitted or equipped with all of the following equipment EXCEPT __________. (small passenger vessel regulations)
N a. life lines Y b. paddles N c. water lights N d. painters 8036: Radiation spreads a fire by __________.
N a. transmitting the heat of a fire through the ship's metal N b. burning liquids flowing into another space Y c. transferring heat across an unobstructed space N d. heated gases flowing through ventilation systems 8115: When two ballast pumps used for deballasting a single tank start cavitating, you should __________.
N a. open all valves on the discharge side to permit improved flow N b. close the valve on the discharge side of the pump to re-acquire suction N c. close the valve on the suction side of the ballast pump to re-prime the pump Y d. shut down one pump 8198: On a vessel of 6500 tons displacement, a tank 30 ft. long, 32 ft. wide and 15 ft. deep is half filled with oil cargo (S.G. 0.948) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 3240 N b. 2731 Y c. 2162 N d. 1336 8333: Individuals who have consumed alcohol within 24 hours of exposure to H2S can tolerate __________.
N a. unusually large concentrations of H2S Y b. smaller than normal concentrations of H2S N c. moderate concentrations of H2S without the usual reactions N d. longer exposure to H2S concentrations