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.
52: Which statement is TRUE concerning inert gas systems on tank vessels?
Y a. Flue gases from the ship's boilers are used in some systems. N b. Helium is the preferred inert gas. N c. Using the system accelerates the rusting of the tanks. N d. All of the above 139: When fighting a fire in an enclosed space, the hose team should crouch as low as possible to __________.
N a. protect themselves from smoke N b. obtain the best available air N c. allow the heat and steam to pass overhead Y d. All of the above 227: The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed __________.
N a. in an inside passageway N b. in an approved bracket N c. so that it is accessible from the bridge of the vessel Y d. so that it will float free if the vessel sinks 288: A negative metacentric height __________.
N a. will always cause a vessel to capsize N b. always results from off-center weights Y c. should always be immediately corrected N d. All of the above are correct 827: A small passenger vessel's Official Number must be marked___________.
N a. in block type Arabic numerals not less than 3 inches high N b. or mounted so that any alteration, removal, or replacement would be obvious N c. on some clearly visible interior structural hull part Y d. All of the above 840: If a vessel is sagging, what kind of stress is placed on the sheer strake?
Y a. Compression N b. Tension N c. Thrust N d. Racking 932: Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of __________.
N a. the CO2 being inhaled by personnel N b. reflash of burning liquids N c. vapor condensation on the extinguisher Y d. the discharge causing a static spark 1140: Limit switches are used on which davits?
N a. Sheath-screw davits Y b. Gravity davits N c. Radial davits N d. Quadrantal davits 1373: You are reading draft marks on a vessel. The water level is halfway between the bottom of the number 5 and the top of the number 5. What is the draft of the vessel?
N a. 4'-09" N b. 5'-09" Y c. 5'-03" N d. 5'-06" 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 1403: Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?
N a. The tank must be gas freed. N b. The tank must be ballasted. Y c. The tank must be vented to the atmosphere. N d. The bypass valve must also be closed. 1404: Signaling devices which are required on inflatable liferafts include __________.
N a. a rocket shoulder rifle N b. an oil lantern Y c. red flares N d. an air horn 1414: What should be used to steer an open lifeboat if the rudder becomes lost or damaged?
N a. Sea anchor Y b. Steering oar N c. Spare rudder N d. Daggerboard 1441: On small passenger vessels, how many supply and exhaust ducts are required in each enclosed space containing gasoline powered machinery or gasoline fuel tanks?
N a. 1 of each Y b. 2 of each N c. 3 of each N d. 4 of each 1721: An inert gas system is designed to reduce the possibility of tank explosions by __________.
N a. eliminating sparks and fire in the vicinity of cargo tanks N b. removing all hydrocarbon gases from the cargo tanks N c. blanketing cargo tanks with inert foam Y d. reducing the oxygen concentration below levels necessary for combustion 1926: A "reaching" course is one in which the wind __________.
N a. comes directly over the bow N b. comes directly over the stern Y c. comes over an area extending from broad on the bow to the quarter N d. has no effect on the vessel 1998: Which satellite system promulgated Maritime Safety Information?
N a. AMVER Y b. SafetyNET N c. NAVTEX N d. INMARSAT-M SES 2054: Your vessel measures 126 feet (38 meters) long by 21 feet (6 meters) in beam. If the natural rolling period at a draft of 8 feet (2 meters) is 6 seconds, what is the GM?
Y a. 2.4 feet (0.70 meters) N b. 2.8 feet (0.85 meters) N c. 3.0 feet (0.90 meters) N d. 3.2 feet (0.98 meters) 2168: When a vessel is stationary and in a hogging condition, the main deck is under which type of stress?
N a. compression Y b. tension N c. shear N d. racking 2191: A fishing vessel that is required to have a fireman's outfit, must have all of the following in the outfit except a __________.
N a. flashlight Y b. combustible gas indicator N c. self-contained breathing apparatus N d. fire axe 2195: Who is charged with appointing persons to be in command of the lifeboats and(or) liferafts on a mobile offshore drilling unit?
N a. Rig superintendent N b. Tool Pusher N c. Company man Y d. Designated person in charge 2211: You discharge garbage overboard at sea. When recording your vessel's position as required, you must include __________.
Y a. latitude, longitude and estimated distance from shore N b. latitude, longitude and approximate depth of water N c. latitude, longitude, course, speed, and a copy of that days noon position slip N d. Latitude and longitude only 2237: Topside icing decreases vessel stability because it increases __________.
N a. displacement N b. free surface N c. draft Y d. KG 2243: Aboard a survival craft, ether can be used to __________.
Y a. start the engine in cold weather N b. aid in helping personnel breathe N c. prime the sprinkler system N d. prime the air supply 2329: 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-0059
N a. Available GM 3.2 ft Y b. Available GM 3.9 ft N c. Available GM 4.8 ft N d. Available GM 5.3 ft 2386: What are the vessel equipment and personnel requirements for GMDSS?
N a. Two licensed GMDSS radio operators N b. Equipment carriage requirements N c. Distress alerting and response Y d. All of the above 2611: The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________.
N a. stress plate Y b. keel N c. rider plate N d. main beam 2758: A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?
N a. The tanks lie above the waterline and are filled. N b. The tanks are partially filled with dry cargo. Y c. The tanks are partially filled with liquid cargo. N d. The tanks are filled and lie below the waterline. 2834: Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 23.1 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 60° inclination if the center of gravity is 2.4 feet off the centerline.
N a. 2.4 feet N b. 1.8 feet Y c. 0.5 foot N d. 0.2 foot 2859: For emergency communications, vessels operating on oceans, coastwise, or Great Lakes routes, on runs of more than 30 minutes shall carry in a portable watertight container at or near the operating station __________. (small passenger vessel regulations)
N a. six orange hand smoke distress signals N b. six red hand flare distress signals N c. one 3-cell flashlight Y d. six red hand flare distress signals and six orange hand smoke distress signals 2878: To prevent the spread of fire by conduction you should __________.
N a. remove combustibles from direct exposure Y b. cool the bulkheads around the fire N c. close all openings to the area N d. shut off all electrical power 2891: The maximum angle at which the intact stability curves are valid for MODU's is the angle for __________.
N a. the limit of positive stability N b. the limit of small-angle stability N c. maximum offset Y d. downflooding 2913: The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-09.5", AFT 22'-09.5". Cargo was loaded and discharged as shown. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts. ST-0087
N a. FWD 21'-06.3", AFT 22'-06.6" Y b. FWD 21'-11.3", AFT 23'-01.8" N c. FWD 22'-06.6", AFT 21'-06.9" N d. FWD 23'-00.2", AFT 22'-00.4" 3145: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port forward column below the waterline. You should pump from tank __________.
N a. C1P N b. 8P Y c. 1P N d. 2S 3270: Which portable fire extinguisher is required just outside the exit of the propulsion machinery space of a 75-ton passenger vessel?
N a. 2-1/2 gallon foam extinguisher Y b. 15 lb. CO2 extinguisher N c. 2 lb. dry chemical extinguisher N d. None of the above 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 3591: With no environmental forces on the DEEP DRILLER, the average of the starboard drafts is 59.0 feet, and the average of the port drafts is 61.0 feet. KGT is 52.84 feet. What is the value of TCG?
N a. -2.00 feet N b. -1.00 foot Y c. -0.16 foot N d. -0.10 foot 3628: Each vessel in ocean and coastwise service must have an approved EPIRB. An EPIRB __________.
N a. must be stowed in a manner so that it will float free if the vessel sinks N b. must be stowed where it is readily accessible for testing and use N c. is a devise that transmits a radio signal Y d. All of the above 3649: A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.
N a. danger, stay away N b. all is clear, it is safe to pass N c. all is clear, it is safe to approach Y d. a distress signal 3748: A victim is coughing and wheezing from a partial obstruction of the airway. An observer should __________.
N a. perform the Heimlich maneuver N b. immediately start CPR N c. give back blows and something to drink Y d. allow the person to continue coughing and dislodge the obstruction on his own 3949: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 3983: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new height of the longitudinal metacenter?
N a. 61.24 feet N b. 61.22 feet Y c. 61.20 feet N d. 61.13 feet 4056: Which installed equipment must be tested and logged when a new Master assumes command?
N a. Internal communications, including sound-powered telephones N b. Navigational lights and search lights N c. Vessel control alarms Y d. All of the above must be tested 4461: If you have to jump in the water when abandoning a MODU, your legs should be __________.
N a. spread apart as far as possible N b. held as tightly against your chest as possible N c. in a kneeling position Y d. extended straight down and crossed at the ankles 4483: The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft in sea water at the forward draft marks is observed to be 8.0 feet. The KML is __________.
Y a. 286.27 feet N b. 299.09 feet N c. 316.67 feet N d. 355.42 feet 5315: The COASTAL DRILLER, in transit during a severe storm while at a draft of 9 feet 6 inches, has a KGT of 39.1 feet and a KGL of 39.9 feet. The margin on the maximum allowable KG is __________.
Y a. 2.6 feet N b. 3.4 feet N c. 25.1 feet N d. 25.9 feet 5445: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to port and forward. Strong wind and high waves are from the starboard quarter. Among the possible causes, you should consider __________.
N a. failure of mooring lines 1 or 2 Y b. failure of mooring lines 5 or 6 N c. leak in ballast tank #2P N d. ballast tanks are equalizing into tank 1P 5941: Each fire hydrant serving machinery spaces containing oil fired boilers, internal combustion machinery, or oil fuel units must be equipped with a __________.
N a. fireman's outfit Y b. low-velocity spray applicator N c. marine strainer N d. pick axe 6505: A MODU helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least __________.
N a. 30 gallons per minute N b. 40 gallons per minute Y c. 50 gallons per minute N d. 60 gallons per minute 6543: Corrosive liquids and acids should have what kind of label?
N a. Skull and crossbones N b. Yellow N c. Red Y d. White 6637: Of the required ring life buoys for a MODU, how many must be equipped with a water light?
N a. 1 N b. 2 Y c. 4 N d. 8 7043: While providing assistance to a victim of an epileptic seizure, it is most important to __________.
N a. give artificial respiration Y b. prevent patient from hurting himself N c. keep the patient awake and make him/her walk if necessary to keep him/her awake N d. remove any soiled clothing and put the patient in a clean bed 7077: Where there are multiple accident victims, which type of injury should be the first to receive emergency treatment?
Y a. Severe shock N b. Eye injuries N c. Burns N d. Major multiple fractures 7365: What is the minimum required GMT for the DEEP DRILLER in winds less than 70 knots while at a draft of 60 feet?
N a. 0.17 foot N b. 2.62 feet Y c. 4.34 feet N d. 9.12 feet 8207: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. The legs should be lowered so that the TOC (tip-of-can) is lowered from 1.20 feet to __________.
N a. 2.20 feet N b. 12.38 feet N c. 48.12 feet Y d. 60.50 feet 8221: What is the purpose of a vent header?
N a. Prevents entry of water into vent systems N b. Prevents passage of flame into fuel tanks N c. Catches overflow Y d. Combines individual vent lines into a main 8625: What is the new location of the transverse center of gravity if 200 short tons are discharged from 10 feet to port of the centerline on a MODU with TCG 0.7 foot starboard of the centerline, and the displacement is 9,000 short tons?
Y a. 0.94 foot starboard of centerline N b. 0.90 foot starboard of centerline N c. 0.47 foot port of centerline N d. 0.23 foot port of centerline 8699: What are the transverse moments for the contents of P-tank #1 of the DEEP DRILLER if the ullage is 2.3 feet?
Y a. 3,049 ft-tons N b. 3,977 ft-tons N c. 6,412 ft-tons N d. 8,362 ft-tons 8994: Two types of anchor shackles which are currently available are __________.
N a. U-Type and posilok shackles N b. C-Type and wedge shackles Y c. D-Type and bow shackles N d. wedge and kenter shackles 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