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.
82: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.
N a. to bank off a bulkhead onto the fire Y b. at the seat of the fire, starting at the near edge N c. over the top of the fire N d. at the main body of the fire 356: The number of pounds of carbon dioxide required for each cargo space on a cargo vessel is equal to __________.
N a. the gross volume of the space in cubic feet divided by 100 N b. one pound of CO2 per cubic foot of space N c. one pound of CO2 per square foot of deck area Y d. the gross volume of the space in cubic feet divided by 30 573: The sea painter of a lifeboat should be led __________.
Y a. forward and outside of all obstructions N b. forward and inside of all obstructions N c. up and down from the main deck N d. to the foremost point on the ship 615: The operator of each vessel subject to the pollution regulations is NOT required to keep written records of __________.
N a. the name of each person designated as a person in charge N b. the date and results of the most recent equipment inspection Y c. cargoes carried and dates delivered, including destinations N d. hose information not marked on the hose 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 720: The center of volume of the immersed portion of the hull is called the __________.
Y a. center of buoyancy N b. center of flotation N c. center of gravity N d. tipping center 721: Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called __________.
Y a. list N b. heel N c. trim N d. flotation 843: The signal given to commence lowering the lifeboats is __________.
N a. 3 short blasts of the ship's whistle Y b. specified on the muster list (station bill) N c. 3 long blasts of the ship's whistle N d. 1 long blast of the ship's whistle 1207: Which extinguishing agent is most effective on a mattress fire?
N a. CO2 N b. Foam N c. Dry Chemical Y d. Water 1229: Which T-Boat must be fitted with a suitable compass?
N a. A vessel in river service N b. A vessel operating on a short, restricted route on lakes, bays, and sounds Y c. A vessel engaged in ocean or coastwise service N d. The regulations do not require a compass on any vessel 1366: 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 1436: Your vessel's draft is 16'-00" fwd. and 18'-00" aft. The MT1 is 500 ft-tons. How many tons of water must be shifted from the after peak to the forepeak, a distance of 250 feet, to bring her to an even draft forward and aft?
N a. 52 tons N b. 50 tons Y c. 48 tons N d. 24 tons 1544: While operating your oceangoing vessel you must keep a record of any discharge or disposal of garbage. These entries shall be made __________.
N a. before the end of the voyage N b. before arriving at your next port N c. no later than 24 hours after disposal of the garbage Y d. at the time the garbage was disposed 1545: Preventer bars are fitted on lifeboat releasing hooks to prevent __________.
N a. the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered N b. operation of the release lever until the boat is waterborne N c. the falls from rehooking after they have been released Y d. accidental unhooking when the falls become slack 1659: You have berthed in a port area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?
N a. A flashing yellow light Y b. A red light visible all around the horizon N c. A green light visible all around the horizon N d. An illuminated red and yellow caution flag 1934: Which piece of required GMDSS equipment is the primary source of transmitting locating signals?
N a. Radio Direction Finder (RDF) Y b. An EPIRB transmitting on 406 MHz N c. Survival Craft Transceiver N d. A SART transmitting on 406 MHz 1937: On offshore drilling units, a fire drill must be conducted at least once a __________.
Y a. week N b. month N c. quarter N d. year 1948: You have 600 tons of below deck tonnage. There is no liquid mud aboard. If you have 150 tons of cargo above deck with a VCG above the deck of 2.8 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 1.96 feet N b. 2.25 feet Y c. 3.20 feet N d. 3.55 feet 2015: A shroud is __________.
N a. a light sail N b. a topmast stay N c. a sheet Y d. standing rigging 2078: A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a flame __________.
N a. stopper Y b. screen N c. filter N d. restrictor 2278: A cargo of 75 tons is to be lifted with a boom located 50 feet from the ship's centerline. The ship's displacement including the suspended cargo is 6,000 tons and GM is 6 feet. The list of the ship with the cargo suspended from the boom will be __________.
N a. 5.00° N b. 5.40° Y c. 5.94° N d. 6.50° 2425: Every seaman injured on a fishing vessel must report the injury to the Master, individual in charge, or other agent of the employer __________.
N a. before the end of the voyage N b. no later than 24 hours after the vessel docks Y c. no later than 7 days after the injury occurred N d. only if the injury prevents him from working 2543: The boom stops are installed on an offshore crane to __________.
Y a. prevent the boom from being raised too high N b. prevent the boom from swinging N c. support the boom when not in use N d. prevent the boom from being lowered 2578: Your vessel displaces 9,000 tons and has a KG of 21.2 feet. What will be the length of the remaining righting arm at an angle of inclination of 30° if the center of gravity shifts 2.6 feet transversely? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 3.8 feet N b. 2.2 feet Y c. 1.4 feet N d. 0.9 foot 2596: Drinking salt water will __________.
Y a. dehydrate you N b. prevent seasickness N c. be safe if mixed with fresh water N d. protect against heat cramps 2726: Your vessel's drafts are FWD 19'-02", AFT 23'-10". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 98 tons of fuel is loaded 116 feet forward of amidships.
N a. FWD 19'-04", AFT 23'-06" N b. FWD 19'-07", AFT 23'-04" N c. FWD 19'-09", AFT 23'-01" Y d. FWD 19'-09", AFT 23'-06" 2765: The maximum draft to which a drilling unit may be safely loaded is called __________.
N a. mean draft N b. calculated draft N c. deep draft Y d. load line draft 2765: The maximum draft to which a drilling unit may be safely loaded is called __________.
N a. mean draft N b. calculated draft N c. deep draft Y d. load line draft 2815: A vessel heading WNW is on a course of __________.
N a. 270.0° Y b. 292.5° N c. 315.0° N d. 337.5° 2837: 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-0083
N a. 7.7 feet Y b. 9.1 feet N c. 9.9 feet N d. 10.6 feet 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" 2999: The use of portable electrical equipment in the pumproom on tank barges is prohibited unless __________.
N a. the pumproom is gas-free N b. spaces with bulkheads common to the pumproom are either gas-free, inert, filled with water, or contain grade E liquid N c. all other compartments in which flammable vapors and gases may exist are closed and secured Y d. All of the above 3017: A semisubmersible which flops between forward and aft trim angles is likely to have __________.
N a. an off-center TCG N b. LCG greater than level-vessel LCB N c. KMT greater than KML Y d. KML less than KGL 3128: You are Master of a 20-ton ketch. You wish to heave-to on the starboard tack in 35 knots of wind. Which action would be appropriate?
N a. Set your storm jib aback to port and secure your rudder hard to starboard. N b. Secure your reefed mizzen aback to starboard and your storm jib aback to port. Secure your rudder hard to port. N c. Sheet your mizzen in flat and secure your rudder amidships. Y d. Secure your storm jib aback to starboard and sheet your reefed mizzen in flat. Secure your rudder hard to starboard. 3329: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed N b. remain on course but slack the speed Y c. change course and put the stern to the wind N d. change course to put the wind on either beam and increase speed 3533: If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot?
N a. 250.0 pounds per square foot N b. 312.5 pounds per square foot Y c. 350.0 pounds per square foot N d. 400.0 pounds per square foot 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 3629: When a helicopter is lifting personnel from a rescue boat, the other individuals in the boat should __________.
N a. enter the water in case the person being lifted slips from the sling N b. stand on the outside of the boat to assist the person being lifted N c. remove their lifejackets to prepare for their transfer to the helicopter Y d. remain seated inside to provide body weight for stability 3652: Your vessel's existing draft is FWD 17'-04", AFT 18'-08". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 765 long tons are discharged from No. 7 hatch.
N a. FWD 15'-04 3/4", AFT 18'-04" Y b. FWD 15'-11 3/5", AFT 18'-11" N c. FWD 18'-08 2/5", AFT 18'-05" N d. FWD 18'-05 3/4", AFT 18'-10" 3913: The DEEP DRILLER, at a draft of 60 feet, has 50,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?
Y a. 45.3 long tons N b. 90.6 long tons N c. 118.1 long tons N d. 236.1 long tons 3984: As shown in the illustration, item #8 would be a(n)______________. (D014SA )
N a. recognition light Y b. rain water catchment tube assembly N c. pressure relief valve N d. floating sheath knife 4044: Convection spreads a fire by __________.
Y a. heated gases flowing through ventilation systems N b. the transfer of heat across an unobstructed space N c. burning liquids flowing into another space N d. transmitting the heat of a fire through the ship's metal 4054: Which navigational equipment is required to be tested and logged before a towing vessel embarks on a voyage of more than 24 hours?
N a. Compass and/or swing meter N b. Radar(s) and VHF radio(s) N c. LORAN-C and/or GPS receiver(s) Y d. All required navigational equipment, without exception 4093: Towing vessels of more than 39.4 feet in length must carry charts or maps _____________ .
N a. of the area to be navigated N b. with enough detail to make safe navigation possible N c. of the current edition or currently corrected edition Y d. All of the above 4127: While loaded as shown in the DEEP DRILLER Sample Load Form #3 (Preparing to Drill), all of the casing is discharged. What is the change in LCG?
N a. 0.45 foot Y b. -0.45 foot N c. -1.78 feet N d. -2.68 feet 4203: While going on location in 200 feet water depth when the roll angle of the COASTAL DRILLER is 2.5 degrees, the roll period should be longer than __________.
N a. 0.8 second N b. 6.2 seconds Y c. 13.0 seconds N d. 17.0 seconds 4401: Use of air gaps in excess of that stated in the Limits of Elevated Service for the COASTAL DRILLER could result in __________.
N a. the hull being in the storm wave zone Y b. increased overturning moments N c. reduced exposed area N d. increased static leg loading 4587: The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 feet to port of the centerline. What is the bow leg reaction?
N a. 4,737 kips N b. 4,916 kips Y c. 5,063 kips N d. 5,145 kips 4665: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new VCG?
N a. 47.21 feet N b. 47.69 feet N c. 48.41 feet Y d. 49.16 feet 4705: What is the weight of 100 barrels of 17 pound per gallon drilling mud?
N a. 24.9 kips N b. 41.5 kips Y c. 71.4 kips N d. 93.0 kips 5277: Failure of both port ballast pumps on the DEEP DRILLER prevents their use. To deballast from tank 1P, you may use the __________.
N a. port saltwater service pump N b. port drill water pump N c. port bilge pumps Y d. starboard ballast pump and the crossover system 5385: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the starboard leg reaction?
Y a. 7,099 kips N b. 7,134 kips N c. 7,151 kips N d. 7,203 kips 6102: The SS AMERICAN MARINER has on board 5480 tons of cargo with an LCG-FP of 274.46 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-0191
N a. LCG-FP 271.79 feet Y b. LCG-FP 272.87 feet N c. LCG-FP 274.04 feet N d. LCG-FP 275.13 feet 6563: When loading or discharging dry mud or cement, crew members should use goggles and __________.
Y a. facial respirator mask N b. ear plugs N c. rubberized boots N d. fireman's outfit 7413: Which spoken emergency signal would you use to call a boat to come assist a man overboard?
N a. Distress signal Y b. Urgency signal N c. Safety signal N d. None of the above 8353: What power source actuates a solenoid valve?
N a. Air pressure N b. Hydraulic pressure Y c. Electric current N d. Mechanical force 8421: If an engine shuts down due to high jacket water temperature, what action should be taken?
N a. Open crankcase explosion covers Y b. Allow engine to cool gradually N c. Slowly add cool water to the expansion tank N d. Back flush the cooling water system 8701: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 19 fails in the closed position. You may deballast from tank 9S by pumping from tank 8S by opening valves 20 and __________.
N a. 35 N b. 21 Y c. 18 N d. 17 9245: The object of plugging holes below the waterline on a MODU should be to __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 9672: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
N a. not rotate personnel, as the consistent attack can extinguish the fire quickly. Y b. stand erect, to avoid the heat of the deck N c. station personnel on the hot deck, immediately above the fire, to observe for its potential spread N d. All of the above