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.
204: When signaling by flashing light, a correctly received repetition of a signal is acknowledged by the signal __________.
N a. T N b. E Y c. OK N d. AR 357: The operator of a vessel's radiotelephone must hold at least a __________.
N a. third class radiotelegraph operator certificate Y b. restricted radiotelephone operator permit N c. general radiotelephone operator license N d. mates license 389: On a vessel of 9,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on the tank tops. The hold is 20 feet long and 30 feet wide. The reduction in metacentric height is __________.
N a. .09 feet N b. .12 feet Y c. .14 feet N d. .16 feet 511: 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-0011
Y a. 696 tons N b. 520 tons N c. 473 tons N d. 444 tons 992: On small passenger vessels gasoline tanks must be __________.
N a. electrically bonded to a common ground N b. fitted with vertical baffle plates if the tank is longer than 30 inches in any horizontal dimension N c. built without flanged-up top edges Y d. All of the above 1019: You are operating 10 miles offshore with three people aboard. What kind of survival craft must you carry?
N a. An inflatable liferaft with a coastal pack N b. A life float N c. An inflatable buoyant apparatus Y d. No survival craft is required. 1061: What are the symptoms of sun stroke?
N a. Temperature falls below normal, pulse is rapid and feeble, skin is cold and clammy. Y b. Temperature is high, pulse is strong and rapid, skin is hot and dry. N c. Temperature is high, pulse is slow and feeble, skin is clammy. N d. Temperature falls below normal, pulse is rapid, skin is clammy. 1064: By day, the horizontal motion of a white flag, or arms extended horizontally, by a person on the beach indicates __________.
N a. "Haul away" N b. "Tail block is made fast" Y c. "Negative" N d. "Affirmative" 1161: You are approaching another vessel and see that she has the signal flag "A" hoisted. What should you do?
N a. Give the vessel a wide berth as she is carrying dangerous goods. N b. Attempt to call the vessel on VHF radiotelephone because she is disabled. N c. Stop your vessel instantly. Y d. Slow your vessel and keep well clear because she has a diver down. 1234: When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to __________.
N a. approach while coming to the left to take advantage of the current N b. drop an anchor outside the surf line, then pay out anchor line over the bow while the seas carry the boat toward the beach N c. approach slow enough so that the boat can be brought around to meet breaking seas on the bow Y d. rig a drogue with tripping line over the bow, back ashore with drogue tripped between breakers 1327: If you are forced to abandon ship in a liferaft, your course of action should be to __________.
Y a. remain in the immediate vicinity N b. head for the nearest land N c. head for the closest sea-lanes N d. let the persons in the boat vote on what to do 1423: A weight of 250 tons is loaded on your vessel 95 feet forward of the tipping center. The vessel's MT1 is 1000 ft-tons. What is the total change of trim?
N a. 11.90 inches N b. 18.75 inches Y c. 23.75 inches N d. 38.01 inches 1483: The SS AMERICAN MARINER is partially loaded with a GM of 3.1 feet and drafts of: FWD 19'-06", AFT 21'-04". Use the white pages of the Stability Data Reference Book to determine what tank(s) you should ballast to increase the GM to 3.7 feet.
N a. Tanks: DT1 Y b. Tanks: DB3, DT8 N c. Tanks: DB2, DB7 N d. Tanks: DB5 1707: Your 40-foot auxiliary sailing vessel has just run aground on a bar. She has a relatively long, deep keel and the tide is falling. You have checked the bilges for damage and found none. Which is the most prudent action to take immediately?
N a. Sheet the sails in flat to try to heel her over with the wind and sail off. N b. Start the engine and run it hard in forward to try to drive over and off the bar. Y c. Strike the sails. Then run a kedge anchor out to one side, hook the main halyard to it, and heave the boat down onto one side. N d. Take soundings visually, by sounding pole, or lead line all around the vessel to locate the deepest water. 1777: The transfer procedures required to be followed on tankships shall contain __________.
N a. a list of each port of discharge Y b. a line diagram of the vessel's transfer piping N c. a current crew list N d. the duties by name of each person in charge required for each transfer operation 1897: Which is a part of a vessel's standing rigging?
N a. Sheet Y b. Backstay N c. Topping lift N d. Downhaul 1940: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 1942: Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?
N a. Class A EPIRBs N b. Class B EPIRBs Y c. L-Band EPIRBs N d. Category I EPIRBs 1968: Which categories of NAVTEX messages may not be selectively rejected through receiver programming?
N a. Navigational warnings N b. Weather warnings N c. SAR information Y d. All of the above 1997: Vessels to which Annex V to MARPOL 73/78 applies may discharge garbage containing plastics __________.
N a. 5 nautical miles from nearest land N b. 12 nautical miles from nearest land N c. 25 nautical miles from nearest land Y d. None of the above 2089: On a vessel carrying grades A, B, C or D cargoes, enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by __________. (vessel constructed after 1970)
N a. cofferdams Y b. galleys N c. pump rooms N d. tanks used to carry liquids having a flash point of 150°F or above 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 2634: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 4 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 40 N b. 48 N c. 53 Y d. 60 2702: Your vessel displaces 12,000 tons and has a KG of 22.6 feet. What will be the length of the remaining righting arm at an angle of inclination of 30° if the center of gravity shifts 1.8 feet transversely? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 0.8 foot N b. 1.2 feet N c. 1.8 feet N d. 2.3 feet 2705: 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-0077
Y a. 4.0 feet N b. 5.6 feet N c. 6.0 feet N d. 6.8 feet 2719: Your vessel's drafts are: FWD 14'-04", AFT 17'-08". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 2 feet? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 62 tons N b. 65 tons N c. 72 tons Y d. 75 tons 2781: For a floating MODU, the center of flotation is the point in the waterplane __________.
Y a. about which the MODU lists and trims N b. which coincides with the center of buoyancy N c. which, in the absence of external forces, is always vertically aligned with the center of gravity N d. which is shown in the hydrostatic tables as VCB 2813: A vessel heading WSW is on a course of __________.
N a. 202.5° N b. 225.0° Y c. 247.5° N d. 271.0° 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 2895: The downflooding angle for a MODU is the minimum angle at which __________.
N a. the load line becomes submerged Y b. a non-watertight opening is at still water level N c. offset becomes excessive N d. reserve buoyancy is a maximum 2952: Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil?
N a. The loading dock Y b. The midpoint of the barge N c. Within 25 feet of the pump engine N d. Above the forward rake end 3056: The service use of pyrotechnic distress signals measured from the date of manufacture shall be limited to a period of __________.
N a. 24 months N b. 36 months Y c. 42 months N d. 60 months 3096: The shut off valve at the gasoline tank which can be operated from outside the tank space __________.
N a. controls the amount of gasoline to the engine Y b. shuts off the gasoline supply at the tank N c. is used if the gasoline tank leaks N d. All of the above 3133: The stability which exists after the unintentional flooding of a compartment on a MODU is called __________.
N a. intact stability N b. initial stability N c. immersion stability Y d. damage stability 3187: Repair of vital machinery and services on a MODU should be accomplished __________.
Y a. after control of fire, flooding, and structural repairs N b. immediately N c. after control of fire, but before control of flooding N d. after stability is restored 3426: In illustration D011SA, number 1 operates the __________. (D011SA )
N a. releasing gear N b. sea painter Y c. Fleming gear N d. McCluny hook 3502: How many self-contained breathing apparati are required aboard a 500 ton passenger vessel in river service with 75 passenger staterooms?
N a. 0 Y b. 1 N c. 2 N d. 3 3583: 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-0142
N a. 2.6 feet N b. 2.8 feet N c. 3.1 feet Y d. 4.3 feet 3598: If you have to abandon ship, the EPIRB can be used to __________.
N a. hold the survival craft's head up into the seas N b. generate orange smoke N c. seal leaks in rubber rafts Y d. send radio homing signals to searching aircraft 3615: The DEEP DRILLER is moored in 700 feet of water. The tension on anchor line #3 is 200 kips. What is the vertical component of chain tension for that line?
N a. 59.1 long tons Y b. 60.9 long tons N c. 89.3 long tons N d. 487.2 long tons 3679: You are alone and administering CPR to an adult victim. How many chest compressions and how many inflations should you administer in each sequence?
N a. 5 compressions then 1 inflation Y b. 15 compressions then 2 inflations N c. 20 compressions then 3 inflations N d. 30 compressions then 4 inflations 3823: What is the change in vertical moments for the DEEP DRILLER if 103.48 long tons of ballast is discharged from a full ballast tank 1P?
N a. 6,707 foot-tons decrease N b. 4,984 foot-tons decrease Y c. 1,914 foot-tons decrease N d. 155 foot-tons decrease 3997: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S?
Y a. 3,493 foot-tons N b. 1,797 foot-tons N c. 1,748 foot-tons N d. 100 foot-tons 4173: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges all the cement in the P-Tanks. See Table 7. What is the change in KG?
N a. 0.24 foot downward Y b. 0.49 foot downward N c. 0.88 foot downward N d. 1.02 feet downward 4285: During an ocean tow when the winds are less than 70 knots, the maximum allowable KG for the COASTAL DRILLER is __________.
N a. 38.75 feet N b. 42.00 feet N c. 44.00 feet Y d. 65.00 feet 4391: Which data is NOT used in the Allowable Wind and Wave Charts for the COASTAL DRILLER?
N a. Leg penetration N b. Wave height Y c. Total weight N d. Current 4764: You are scheduled to load 3700 tons of cargo, 45 tons of crew effects and stores and 427 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in salt water.
N a. 17'-01" Y b. 17'-05" N c. 17'-10" N d. 18'-00" 5041: When must a MODU display navigation lights while underway?
N a. Only between sunrise and sunset N b. At all times while being towed N c. Only when other vessels are in sight Y d. Whenever visibility is restricted 5285: The DEEP DRILLER, loaded as shown in Sample Load Form #1 (Transit), suffers minor damage which results in flooding in tank 1P. You may pump from __________.
N a. 2P N b. C1P Y c. 1P N d. 10S 5871: The DEEP DRILLER is moored in 600 feet of water. The tension on anchor line #8 is 190 kips. What is the vertical component of chain tension for that line?
N a. 53.6 long tons Y b. 55.3 long tons N c. 84.8 long tons N d. 442.4 long tons 5961: A CO2 extinguisher on a MODU 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 6031: On a MODU, a fire drill shall be conducted once every __________.
Y a. week N b. month N c. crew change N d. other week 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 7635: At an angle of loll, the righting arm (GZ) is __________.
N a. maximum N b. negative N c. positive, but reflexive Y d. zero 8051: The "off-load" release system on a survival craft is designed to be activated __________.
Y a. when there is no load on the cable N b. when there is a load on the cable N c. only when the doors are closed N d. when the engine is started 8585: A MODU must have on board a first-aid kit that is approved by the __________.
N a. Minerals Management Service N b. Occupational Safety and Health Administration Y c. Mine Safety and Health Administration N d. American Bureau of Shipping 8643: The analysis of damaged stability for the DEEP DRILLER, disregards the beneficial effects of countermeasures and __________.
N a. horizontal area of the platform N b. vertical area of the platform N c. wind strength Y d. mooring system 9321: In battery charging rooms, exhaust ventilation should be provided __________.
N a. at the lowest point N b. near the batteries Y c. at the highest point N d. only when charging is in progress 9511: In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.
Y a. center of gravity N b. amidships station N c. center of flotation N d. geometric center of the waterplane area 9543: Stable equilibrium for a vessel means that the metacenter is __________.
N a. at a lower level than the baseline N b. on the longitudinal centerline Y c. higher than the center of gravity N d. at amidships