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.
71: Each hand portable fire extinguisher must be marked with __________.
N a. the name of the vessel on which it is located N b. the date that it was installed N c. the names of the individuals qualified to use it Y d. an identification number 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 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 301: Which factor has the greatest effect on the value of the free surface correction?
Y a. The width of the tank N b. The length of the tank N c. The draft of the vessel N d. The specific gravity of the liquid in the tank 522: A spanner is a __________.
N a. cross connection line between two main fire lines Y b. special wrench for the couplings in a fire hose line N c. tackle rigged to support a fire hose N d. None of the above 593: The sea painter is secured in the lifeboat by __________.
Y a. a turn around a forward thwart with a toggle pin thru the eye N b. a knot around a thwart N c. an eye splice placed over one of the hooks of the releasing gear N d. All of the above 611: The maximum mean draft to which a vessel may be safely loaded is called __________.
N a. mean draft N b. calculated draft N c. deep draft Y d. load line draft 644: The difference between the forward and aft drafts is __________.
N a. list N b. heel Y c. trim N d. flotation 837: The largest crew a cargo vessel may carry without having a hospital space is __________.
N a. 6 Y b. 11 N c. 12 N d. 16 914: What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?
N a. Red star rocket Y b. Orange smoke signal N c. Green star rocket N d. Vertical motion of a flag 960: Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause __________.
N a. a decrease in reserve buoyancy N b. a decrease in the maximum draft N c. the vessel to flop to port and starboard Y d. None of the above 976: Inflatable liferafts carried on passenger vessels must be annually __________.
N a. overhauled by the ship's crew N b. sent to the Coast Guard for servicing N c. sent to the steamship company shore repair facility Y d. sent to a Coast Guard approved service facility 1132: According to 46 CFR Subchapter T, how long should exhaust blowers be operated in enclosed spaces containing gasoline powered machinery before starting the engine?
N a. For at least four to five minutes N b. Long enough to achieve a minimum of two complete air changes Y c. Long enough to achieve at least one complete change of air N d. No fixed amount, but the blower should run until you don't smell any gas 1187: A self-contained breathing apparatus is used to __________.
N a. make underwater repairs to barges N b. determine if the air in a tank is safe for men Y c. enter areas that may contain dangerous fumes or lack oxygen N d. resuscitate an unconscious person 1232: A marine chemist issues gas free certificates and is certified by which organization?
N a. Mine Safety Appliance Association N b. American Chemical Society N c. Marine Chemists Association Y d. National Fire Protection Association 1313: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 3224 tons of cargo on board with a KG of 29.8 feet. Use the white pages of the Stability Data Reference Book to determine the final KG of all the cargo after loading is completed. ST-0035
N a. KG 27.2 feet N b. KG 27.8 feet N c. KG 28.4 feet Y d. KG 29.0 feet 1603: During loading and discharging operations, in addition to when the cargo tanks have been properly filled, each inert gas system must be capable of maintaining a minimum gas pressure of __________.
N a. 150 millimeters of water pressure N b. 125 millimeters of water pressure Y c. 100 millimeters of water pressure N d. 75 millimeters of water pressure 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. 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 2002: You have 420 tons of below deck tonnage and 150 tons of above deck cargo on board. You must load 135 tons of liquid mud below deck. How much more deck cargo can you load? (See the trim and stability letter for M.V. Hudson, illustration D036DG.) (D036DG )
Y a. 90 tons N b. 140 tons N c. 155 tons N d. 240 tons 2042: Which line would be used to hoist a sail?
N a. Forestay Y b. Halyard N c. Mainsheet N d. Foreguy 2142: What is meant by the term "overhaul" in firefighting?
N a. Slow down the spread of fire by cooling adjacent structures N b. Cover the fire with foam N c. Smother the fire with a blanket or similar object Y d. Break up solid objects to ensure that any deep seated fires are extinguished 2174: You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample caused the needle to move rapidly to 100 on the dial then fall to zero. What is the concentration of flammable gas?
N a. Less than the flammable range N b. Within the flammable range Y c. Over the flammable range N d. The explosimeter is defective and giving a false reading. 2175: To keep injured survivors warm in the water after abandoning ship, they should __________.
Y a. be placed in the middle of a small circle formed by the other survivors in the water N b. float on their backs with their arms extended for maximum exposure to the air N c. remove their life preservers and hold on to the uninjured survivors N d. sip water at intervals of fifteen minutes 2287: The limit switches on a MODUs survival-craft winch system __________.
Y a. stop the winch just before the craft reaches the final stowage position N b. limit the amount of cable on the drum N c. limit the ascent rate N d. stop the winch in case the craft weighs too much 2418: Your vessel's drafts are: FWD 24'-07", AFT 25'-09"; and the KG is 23.2 feet. What is the righting moment when the vessel is inclined to 45°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 27,008 foot-tons N b. 29,778 foot-tons N c. 32,428 foot-tons Y d. 34,663 foot-tons 2521: To enable tying down a helicopter on the landing area of a MODU, the landing deck must be fitted with __________.
Y a. recessed tie down points N b. hydraulically lifted bitts N c. air tuggers N d. fixed cleats 2522: What best describes benzene?
N a. Clear colorless liquid with an acrid odor Y b. Clear colorless liquid with an aromatic odor N c. Brownish liquid, odorless N d. Brownish liquid, with an acrid odor 2628: What normally helps in detecting escaping gas?
N a. Running hand along pipe N b. Red flame Y c. Odor N d. Increase the line pressure 2739: Your vessel's drafts are: FWD 19'-03", AFT 21'-03". 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 18 inches? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 27 tons Y b. 31 tons N c. 34 tons N d. 37 tons 2864: The sailing drafts are: FWD 22'-08", AFT 23'-04" and the GM is 4.6 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 20° inclination.
Y a. 2.1 feet N b. 2.4 feet N c. 2.8 feet N d. 3.2 feet 2937: A tank of a MODU with a volume of 2,000 cubic feet is pressed with sea water weighing 64 pounds per cubic foot. What is the weight, in kips, of the liquid?
N a. 54 kips N b. 67 kips N c. 78 kips Y d. 128 kips 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 3163: A continual worsening of the list or trim of any floating MODU indicates __________.
N a. negative GM Y b. progressive flooding N c. structural failure N d. an immediate need to counterflood 3175: The jettisoning of topside weight from a MODU serves what purpose?
N a. It returns the MODU to an even keel. N b. It reduces free surface effect. Y c. It lowers the center of gravity. N d. It raises the center of gravity. 3176: The tops of vents from gasoline tanks should terminate __________.
Y a. in open air N b. inside cabins N c. in machinery space N d. underwater 3250: Which statement is TRUE concerning fire hose on a small passenger vessel?
N a. Fire hose shall be at least 3/4" outside diameter. N b. One length of fire hose shall be provided for every two fire hydrants. N c. All fittings on hoses shall be of steel or other ferrous metal. Y d. A length of hose with nozzle attached shall be attached to each fire hydrant at all times. 3370: The carbon dioxide cylinders of all fixed fire extinguishing systems shall be retested and remarked whenever a cylinder remains in place on a vessel for __________. (small passenger vessel regulations)
N a. 5 years from the latest test date stamped on the cylinder N b. 7 years from the latest test date stamped on the cylinder N c. 10 years from the latest test date stamped on the cylinder Y d. 12 years from the latest test date stamped on the cylinder 3370: The carbon dioxide cylinders of all fixed fire extinguishing systems shall be retested and remarked whenever a cylinder remains in place on a vessel for __________. (small passenger vessel regulations)
N a. 5 years from the latest test date stamped on the cylinder N b. 7 years from the latest test date stamped on the cylinder N c. 10 years from the latest test date stamped on the cylinder Y d. 12 years from the latest test date stamped on the cylinder 3450: According to the regulations for lifeboat falls, which action must be taken at 30-month intervals?
Y a. End-for-ended N b. Renewed N c. Inspected N d. Weight tested 3518: The groups "AA" and "AB" are used in conjunction with what other group in signaling by flashing light?
N a. WA N b. RQ N c. CS Y d. RPT 3553: The DEEP DRILLER is loaded as shown in Sample Load Form #3 (Preparing to Drill). What is the margin on the maximum allowable KG while drilling?
Y a. 4.58 feet N b. 5.24 feet N c. 6.27 feet N d. 6.94 feet 3641: Signaling devices required on inflatable liferafts include a(n) __________.
N a. Very pistol Y b. orange smoke signal N c. air horn N d. lantern 3805: For the DEEP DRILLER, what are the longitudinal moments for a sounding of 15 feet in tank C3P?
N a. 1,055 foot-tons N b. 7,772 foot-tons N c. -21,391 foot-tons Y d. -25,669 foot-tons 3955: The person-in-charge shall insure that each rescue boat on an OSV is lowered to the water, launched and operated at least once every __________.
N a. week N b. two months Y c. three months N d. six months 3962: When should food or water be provided to survivors after boarding a liferaft?
N a. After 12 hours Y b. After 24 hours N c. After 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 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 4713: When the COASTAL DRILLER is loaded as shown in the sample load form #3 (drilling), the hook load is placed in the pipe racks. What would be the new variable load?
N a. 2,381.0 kips N b. 3,381.0 kips Y c. 3,658.8 kips N d. 4,381.0 kips 5133: In illustration D041DG, the symbol for the reference from which the height of the center of gravity is measured is __________.
N a. 5 N b. 4 N c. 3 Y d. 2 5695: The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the __________.
Y a. natural pitch period N b. metacentric height N c. height of the righting arm N d. righting moment 6075: On offshore drilling units fitted with CO2 systems, each space that contains a cylinder must be vented and designed to keep temperature in the space at not more than __________.
Y a. 130°F N b. 150°F N c. 180°F N d. 200°F 6955: Regulations require certain records to be retained on board a MODU for how long after the report of a casualty?
N a. 1 month Y b. 3 months N c. 6 months N d. 12 months 8186: Your drafts are: FWD 16'-02", AFT 20'-08". Use the blue pages of the Stability Data Reference Book to determine the MT1.
N a. 920 foot-tons N b. 935 foot-tons N c. 960 foot-tons Y d. 980 foot-tons 8341: Clean air standards referred to as "Grade D" apply to compressed air for use in __________.
N a. high pressure fluid accumulators N b. driving air-powered plunger pumps Y c. filling open-circuit breathing systems N d. bladder-type accumulators 8715: Starboard ballast pump #1 on the DEEP DRILLER has failed. To deballast from tank C2SA using starboard ballast pump #2, it is necessary to open the manual valve and which motor driven valves?
Y a. 15, 34, 35, 36, 46, 48 N b. 16, 27, 32, 35, 36, 48 N c. 15, 33, 43, 48 N d. 14, 34, 35, 36, 46, 48 8831: A jack-up, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the new starboard draft?
N a. 12 feet N b. 11 feet N c. 10 feet Y d. 9 feet 8843: A semisubmersible in transit is at a draft of 19 feet. The depth of the lower hulls is 21 feet. How much bunker fuel at 54.0 lbs/cu ft could be taken on and still provide one foot of freeboard if the TPI is 52.3?
Y a. 627.6 long tons N b. 648.0 long tons N c. 843.9 long tons N d. 255.2 long tons 9101: Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by __________.
N a. authorized fire equipment servicing personnel only Y b. replacing the propellant cartridge and refilling with powder N c. puncturing the cartridge seal after installation N d. recharging the cartridge and refilling it with powder 9347: CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge?
N a. 80% N b. 85% Y c. 90% N d. 95% 9497: Stability is determined principally by the location of the point of application of two forces: the upward-acting buoyant force and the __________.
N a. upward-acting weight force Y b. downward-acting weight force N c. downward-acting buoyant force N d. environmental force