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.
12: The purpose of inert gas systems aboard tank vessels is to __________.
N a. allow sufficient oxygen in the tank to sustain life Y b. prevent outside air from entering the tank N c. provide increase in cargo discharge pressure N d. comply with double hull pollution prevention regulations 80: What represents the metacentric height? (D001SA )
N a. M Y b. GM N c. BM N d. GZ 220: Metacentric height is a measure of __________.
Y a. initial stability only N b. stability through all angles N c. maximum righting arm N d. All of the above 221: Which statement about the free surface effect is TRUE?
N a. It increases in direct proportion to the length of the tank times the breadth squared. Y b. It decreases at increased angles of heel due to pocketing when a tank is 90% full. N c. It decreases in direct proportion to increasing specific gravity of the liquid in the tank. N d. In practice, the correction is considered to be a virtual reduction of KG. 438: A crew member has suffered frostbite to the toes of both feet. You should __________.
Y a. immerse the feet in warm water N b. warm the feet with a heat lamp N c. warm the feet at room temperature N d. rub the feet 530: The TPI curve, one of the hydrostatic curves in a vessel's plans, gives the number of tons __________.
N a. necessary to change the angle of list 1° at a given draft N b. necessary to change trim 1 inch at a given draft N c. pressure per square inch on the vessel's hull at a given draft Y d. necessary to further immerse the vessel 1 inch at a given draft 820: The two points that act together to trim a ship are the __________.
N a. LCF and LCB Y b. LCG and LCB N c. metacenter and LCG N d. VCG and LCG 924: What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?
Y a. 3 white star signals N b. Horizontal motion with a white flag N c. Vertical motion of a white light N d. Code letter "K" by blinker light 982: In continuous operation, the effective range of the 15 pound CO2 extinguisher is limited to __________.
N a. 2 to 4 feet Y b. 3 to 8 feet N c. 9 to 12 feet N d. 10 to 15 feet 1201: While taking on fuel oil, the transfer hose leaks causing a sheen on the water. You should __________.
N a. apply dispersants to the sheen N b. repair the leak with duct tape N c. reduce the rate of transfer Y d. shut down operations 1227: Which type of portable fire extinguishers is NOT designed for use on flammable liquid fires?
N a. Foam (stored-pressure) Y b. Water (cartridge-operated) N c. Dry chemical N d. Carbon dioxide 1326: All inflatable liferafts have __________.
N a. safety straps from the overhead N b. built in seats N c. releasing hooks at each end Y d. water stabilizing pockets 1409: The SS AMERICAN MARINER has the following drafts: FWD 08'-04", AFT 16'-08". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0037
N a. 1.91 feet N b. 2.09 feet N c. 2.21 feet Y d. 2.48 feet 1412: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. Stripping N b. Loading N c. Cleaning Y d. All of the above 1467: Your vessel has a forward draft of 26'-11" and an after draft of 29'-07". How many tons of cargo can be loaded before the vessel reaches a mean draft of 28'-06" if the TPI is 69?
N a. 204 tons Y b. 207 tons N c. 210 tons N d. 213 tons 1552: INTERNATIONAL AND INLAND A sailing vessel must keep course and speed when __________.
Y a. being overtaken N b. to windward of another sailing vessel N c. to leeward of another sailing vessel N d. crossing a vessel engaged in fishing 1624: A sail plan, including the vessel's itinerary, name, number, and persons aboard, should be filed with __________.
N a. the FAA N b. the Coast Guard N c. U.S. Customs Y d. a responsible person 1673: In commercial fishing, "cold water" means water where the monthly mean low water temperature is normally __________.
N a. 39°Fahrenheit or less N b. 44°Fahrenheit or less N c. 49°Fahrenheit or less Y d. 59°Fahrenheit or less 1733: The last 1.0 meter (3.3 feet) of vapor piping before the vessel vapor connection must be painted __________.
Y a. red/yellow/red N b. yellow/red/yellow N c. international orange N d. hi-visibility yellow 1809: For GMDSS, which statement concerning compulsory vessels is TRUE?
N a. Vessels over 500 gross tons must carry at least three licensed GMDSS Radio Operators. N b. Passenger vessels between 300-500 gross tons need to carry only one licensed GMDSS Radio Operator, but passenger vessels larger than 500 must carry two licensed Operators. Y c. Vessels larger than 500 gross tons must carry certain additional GMDSS equipment than what a vessel between 300-500 gross tons must carry. N d. Vessels between 300-500 gross tons need to carry no more than one EPIRB, SART and survival craft transceiver, but vessels larger than 500 gross tons must carry two of each unit. 1860: You are underway at sea when a fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should __________.
N a. remain on course and hold speed N b. change course to put the wind on either beam and increase speed Y c. change course and put the stern to the wind N d. remain on course but decrease speed 1895: How can a SART's effective range be maximized?
N a. The SART should be placed in water immediately upon activation. Y b. The SART should be held as high as possible. N c. Switch the SART into the "high" power position. N d. If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal. 1911: A ketch is a sailing vessel with __________.
N a. one mast N b. two masts: with the mizzen stepped abaft the rudder post Y c. two masts: with the mizzen stepped forward of the rudder post N d. two masts: a foremast and a mainmast 2442: The international shore connection __________.
Y a. allows hook up of fire fighting water from shore facilities N b. satisfies pollution prevention requirements N c. allows emergency use of the fire main for deballasting N d. permits discharge of waste oil to shore facilities 2445: What does the DSC control unit do if the GMDSS Radio Operator fails to insert updated information when initiating a DSC distress alert?
N a. It will abort the transmission and set off an audible alarm that must be manually reset. N b. It will initiate the DSC distress alert but, as no information will be transmitted, rescue personnel will not be able to identify the vessel, its position or its situation. Y c. It will initiate the DSC distress alert and default information will automatically be transmitted. N d. It will initiate the DSC distress alert, but any station receiving it will have to establish contact with the distressed vessel to determine its identity, position and situation. 2524: What characteristic determines when a grade "C" product will start to vaporize?
N a. Its filling density N b. Its ignition point N c. The flammable range Y d. Its flash point 2661: When the longitudinal strength members of a MODU are continuous and closely spaced, the vessel is __________.
N a. transversely framed Y b. longitudinally framed N c. intermittently framed N d. web framed 2732: According to the regulations, to prevent excessive pressure buildup in cargo tanks containing LFG, they are fitted with __________.
N a. pressure vacuum relief valves N b. excess flow valves Y c. safety relief valves N d. flame screens 2805: A vessel heading NNW is on a course of __________.
N a. 274.5° N b. 292.0° N c. 315.5° Y d. 337.5° 2844: 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 righting arm at 37° inclination if the center of gravity is 1.8 feet off center.
Y a. 0.4 foot N b. 1.4 feet N c. 1.8 feet N d. 2.6 feet 2908: How many months after its expiration date may a Coast Guard license be renewed without retaking the complete exam?
N a. 1 month N b. 6 months Y c. 12 months N d. 24 months 2921: A MODU is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.
N a. positive N b. negative Y c. zero N d. vertical 2962: 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-0090
Y a. FWD 17'-06", AFT 24'-03" N b. FWD 19'-03", AFT 22'-06" N c. FWD 17'-01", AFT 24'-08" N d. FWD 21'-04", AFT 19'-07" 2977: A slow and easy motion of a MODU in a seaway is an indication of a __________.
Y a. small GM N b. low center of gravity N c. stiff vessel N d. large GZ 3168: The SS AMERICAN MARINER has on board 6080 tons of cargo with an LCG-FP of 270.71 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0111
N a. LCG-FP 270.8 feet N b. LCG-FP 269.2 feet N c. LCG-FP 267.6 feet Y d. LCG-FP 266.7 feet 3202: Which of these approved lifesaving devices must a small passenger vessel carrying passengers for hire carry for each person on board? (small passenger vessel regulations)
N a. Buoyant cushion Y b. Life jacket N c. Ring buoy N d. Buoyant vest 3346: An inflatable liferaft is thrown into the water from a sinking vessel. Which action occurs automatically after the painter trips the CO2 bottles to inflate the raft?
Y a. The sea anchor is deployed. N b. The floor inflates. N c. If upside down, the raft will right itself. N d. The painter detaches from the raft. 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 3520: How should the number "5" be pronounced when spoken on the radiotelephone?
N a. FIVE-ER N b. NEW-MARL-FIVE N c. NUM-ERL-FIVE Y d. PAN-TAH-FIVE 3774: The signal given to commence lowering the lifeboats is __________.
N a. 3 short blasts of the ship's whistle Y b. 1 short blast of the ship's whistle N c. 3 long blasts of the ship's whistle N d. 1 long blast of the ship's whistle 3795: When the ullage is 5.7 feet in P-Tank #6 for the Deep Driller, the transverse moment for P-Tank #6 is __________.
N a. 1,288 foot-tons Y b. 1,887 foot-tons N c. 3,169 foot-tons N d. 4,596 foot-tons 3942: You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?
N a. Wet clothes during the day to decrease perspiration. N b. Get plenty of rest. N c. Keep the entrance curtains open. Y d. All of the above 4026: When do the towing vessel fire protection regulations allow a towing vessel to carry portable fuel systems on board?
N a. When used for outboard engines N b. When permanently attached to portable equipment such as bilge and fire pumps N c. If the portable tanks used for portable equipment meet published safety standards Y d. All of the above 4029: Fire protection regulations for towing vessels allow you to use a nonmetallic flexible hose in fuel line installations under all of the following conditions EXCEPT when ___________ .
N a. used in lengths of not more than 30 inches N b. reinforced with wire braid N c. visible and easily accessible Y d. fitted with Coast Guard approved garden hose fittings 4104: The inspection of small passenger vessels of 60 feet in length carrying more than twelve persons on an international voyage is required by the Coast Guard __________. (small passenger vessel regulations)
N a. once every 6 months Y b. once every year N c. once every 2 years with a minimum of one reinspection during that period N d. once every 3 years with a minimum of two reinspections during that period 4261: The rotary of the COASTAL DRILLER is located 34 feet aft of the transom and 2 feet to port of the centerline. With the changes to lightweight shown in the Operating Manual, the maximum allowable hook load is __________.
N a. 1000 kips N b. 875 kips Y c. 854 kips N d. 776 kips 4411: While the COASTAL DRILLER is in a normal transit, the roll period is 9 seconds. What is the limiting angle of roll which does not exceed the design limits of the legs?
N a. 11° N b. 9° Y c. 7° N d. 5° 4417: The COASTAL DRILLER, while in an ocean transit, experiences a single amplitude roll of 8 degrees. What is the minimum period of motion which does not exceed the design limits of the legs?
Y a. 10 seconds N b. 8 seconds N c. 6 seconds N d. 4 seconds 4546: Fire dampers prevent the spread of fire by __________.
N a. direct contact N b. radiation N c. conduction Y d. convection 4703: A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the stern to re-level the jack-up if 75 kips is applied at the bow?
N a. 50 kips N b. 75 kips N c. 100 kips Y d. 150 kips 4742: You are scheduled to load 4700 tons of cargo, 45 tons of crew effects and stores and 323 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in fresh water.
N a. 19'-00" N b. 19'-03" Y c. 19'-07" N d. 20'-01" 5771: A J-chaser is used to __________.
N a. transfer a pennant wire to the anchor handling vessel N b. clean chain as it is hauled into the rig N c. lower spring buoys into the water Y d. retrieve an anchor after the buoy has been lost 6575: To determine the number of inflatable liferafts required on a mobile offshore drilling unit, you should check the __________.
N a. load line certificate N b. Operations Manual N c. stability letter Y d. Certificate of Inspection 6895: Who is responsible for reporting a casualty to a mobile offshore drilling unit?
N a. The pilot Y b. The owner N c. The surveyor N d. The engineer 7311: What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?
N a. 1492 kHz N b. 1892 kHz N c. 2082 kHz Y d. 2182 kHz 7403: If you must jump from a MODU, your posture should include __________.
Y a. holding down the life preserver against the chest with one arm crossing the other, covering the mouth and nose with a hand, and feet together N b. knees bent and held close to the body with both arms around legs N c. body straight and arms held tightly at the sides for feet first entry into the water N d. both hands holding the life preserver below the chin, with knees bent, and legs crossed 8637: Which type of hull damage on a floating MODU should be repaired first?
N a. Damage below the waterline N b. Damage to interior watertight boundaries N c. Damage to/in machinery rooms Y d. Damage at or just above the waterline 8775: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected forward inclination. The wind and waves are light from the starboard bow. Among the possible causes, you should consider __________.
N a. failure of mooring lines 2 and 3 N b. drilling crew has dumped the mud Y c. the drill string has broken N d. ballast tanks equalizing into tank 1P 9167: To release the davit cable of a davit launched liferaft, you must __________.
Y a. pull the release lanyard N b. pull the hydraulic release N c. push the release button N d. pull on the ratchet handle 9257: The shear rams of a MODU blowout preventer stack are used in emergency well control to __________.
N a. close and seal around the drill pipe N b. close and seal around casing Y c. cut off pipe inside the preventer stack N d. close and seal around drill collars