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.
100: When a vessel has positive stability, the distance between the line of force through B and the line of force through G is called the __________.
N a. metacentric height Y b. righting arm N c. righting moment N d. metacentric radius 213: Most lifeboats are equipped with __________.
Y a. unbalanced rudders N b. balanced rudders N c. contraguide rudders N d. straight rudders 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 488: A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the __________.
Y a. carotid artery in the neck N b. femoral artery in the groin N c. brachial artery in the arm N d. radial artery in the wrist 510: A new crew member aboard your fishing vessel, who has not received any safety instructions or participated in any drills, reports on board. The Master must provide a safety orientation __________.
N a. within one week N b. within 24 hours N c. on reporting day if it occurs within normal work hours Y d. before sailing 804: You have an AB who has become violently ill, and you are requesting urgent medical advice. Your message should contain which code?
N a. MAB N b. MAD Y c. MAA N d. MAF 852: Which statement concerning the application of dry chemical powder is FALSE?
Y a. At temperatures of less than 32°F, the extinguisher must be recharged more often. N b. When possible, the fire should be attacked from windward. N c. The stream should be directed at the base of the fire. N d. Directing the stream into burning flammable liquid may cause splashing. 1107: In the production of chemical foam by a continuous-type generator __________.
N a. the maximum water pressure to be used is 50 psi Y b. the speed of foam production is slower at lower water temperatures N c. each pound of foam powder produces about 800 gallons of chemical foam N d. fresh water only should be used 1146: Which vessel is NOT required to carry a rocket-type line throwing appliance?
Y a. An oceangoing vessel of 140 GT N b. A coastwise vessel of 550 GT N c. An river-going vessel of 760 GT N d. All of the above 1268: Where must the draft marks be placed on a small passenger vessel?
N a. On each side of the stem N b. Near the stern post or rudder post N c. At each end of the vessel Y d. All of the above 1280: On which type davit does the davit head stay at the same height?
Y a. Radial N b. Sheath-screw N c. Quadrantal N d. Gravity 1309: On small passenger vessels which type of internal combustion engine carburetor does not require a drip collector?
N a. Updraft N b. Two barrel N c. Four barrel Y d. Downdraft 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 1389: Which statement about the inert gas system is TRUE?
Y a. Boiler soot blowers should never be used when the IG system is operating. N b. The boiler will produce the best quality of flue gas for the IG system when the boiler load is very light. N c. The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very light. N d. Flue gas with excessive oxygen content is de-oxygenated in the scrubber. 1446: A vessel's mean draft is 29'-07". At this draft, the TPI is 152. The mean draft after loading 1360 tons will be __________.
N a. 29'-09" N b. 29'-11" Y c. 30'-04" N d. 30'-07" 1453: The hoods over galley ranges present what major hazard?
Y a. Grease collects in the duct and filter and if it catches fire is difficult to extinguish. N b. In order to effectively draw off cooking heat they present a head-injury hazard to a person of average or more height. N c. They inhibit the effective operation of fire fighting systems in combating deep fat fryer or range fires. N d. They concentrate the heat of cooking and may raise surrounding flammable material to the ignition point. 1744: Each hose used for transferring vapors must __________.
N a. have a design burst pressure of at least 25 psig N b. be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting N c. be electrically continuous with a maximum resistance of ten thousand ohms Y d. All of the above 1745: During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?
N a. 2" water gauge Y b. 4" water gauge N c. 20" water gauge N d. 40" water gauge 1879: Your vessel measures 127 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'-10" is 5 seconds, what is the GM?
N a. 1.96 feet Y b. 2.24 feet N c. 2.45 feet N d. 2.68 feet 1967: Define the acronym MSI.
Y a. Maritime Safety Information N b. Maritime Shipping Index N c. Maritime Satellite Indicator N d. Mariner Safety Intelligence 1990: What product is considered a noxious liquid substance for regulatory purposes?
N a. Acetonitrile N b. Molten sulfur Y c. Dodecanol N d. Soybean oil 2082: On a tank barge constructed on or after July 1, 1951, regulations require that each cargo tank be equipped with a vent that has a diameter of not less than __________.
N a. 1.5 inches N b. 2.0 inches Y c. 2.5 inches N d. 3.0 inches 2149: On a barge carrying grade A cargo, who determines where smoking may be permitted during a loading operation?
N a. The OCMI who issued the Certificate of Inspection Y b. The certificated tankerman on duty N c. The vessel owner N d. Smoking is not permitted during a loading operation. 2247: When a rescue vessel approaches a survival craft in heavy seas, the person in charge of the survival craft should __________.
N a. tie up to the rescue vessel N b. transfer only those personnel who are not seasick Y c. wait for calmer weather before transferring personnel N d. transfer all personnel immediately 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 2302: 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-0056
N a. Available GM 6.8 ft N b. Available GM 5.4 ft Y c. Available GM 4.1 ft N d. Available GM 3.6 ft 2323: Why is electrical power preferred over mechanical power for driving heavy machinery on drilling rigs?
N a. More fuel efficient Y b. More flexible N c. Lighter N d. Less maintenance 2354: Which documents are required by Part 80 of the FCC Rules for vessels on international voyages (other than the Great Lakes)?
N a. Appropriate Safety Convention Certificate N b. International list of ship call signs (ITU List VI) N c. List of Radiodetermination and Special Service Stations (ITU List VI) Y d. All of the above 2360: According to regulations, ethylene oxide shall be loaded at a temperature below __________.
N a. 90°F Y b. 70°F N c. 51°F N d. its flash point 2660: A synonym for chloroform is __________.
Y a. trichloromethane N b. sulfuric chlorohydrin N c. chlorine gas N d. 4-methyl phenol 2772: Tour vessel's drafts are: FWD 22'-09", AFT 23'-07"; and the KG is 24.2 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 18° inclination.
Y a. 0.7 foot N b. 1.3 feet N c. 2.0 feet N d. 2.3 feet 2796: On small passenger vessels cooking and heating equipment __________.
N a. shall be suitable for marine use N b. may use liquefied petroleum gas N c. cannot use gasoline Y d. All of the above 3016: Hand held red flares expire 42 months from the date of manufacture. Floating orange smoke distress signals expire after how many months?
N a. 18 months N b. 24 months Y c. 42 months N d. 60 months 3070: Your vessel's drafts are: FWD 14'-04", AFT 12'-08". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 6500 tons N b. 7001 tons N c. 7415 tons Y d. 8699 tons 3246: A loaded hopper barge with independent tanks has a placard, with alternating red and white quadrants, on each side and end. Which statement concerning this barge is TRUE?
N a. The cargo will spontaneously ignite if released to the atmosphere. N b. You must operate this barge as a lead barge. N c. The barge should be spotted as far away from the towboat as possible. Y d. The barge must be in a protected position within the tow. 3293: Your sailing vessel is docked during a storm and is in continuous motion. If a mooring line parts due to vessel motion, it will most likely do so __________.
N a. where it is made fast on the vessel N b. midway between the vessel and the dock N c. at the eye Y d. at the chock 3404: Convection spreads a fire by __________.
N a. transmitting the heat of a fire through the ship's metal Y b. heated gases flowing through ventilation systems N c. burning liquids flowing into another space N d. the transfer of heat across an unobstructed space 3593: The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of LCG?
N a. 0.00 (amidships) N b. 2.23 feet forward of amidships Y c. 2.26 feet forward of amidships N d. 2.31 feet forward of amidships 3655: You can indicate that your vessel is in distress by __________.
N a. displaying a large red flag N b. displaying three black balls in a vertical line N c. sounding five or more short and rapid blasts on the whistle Y d. continuously sounding the fog whistle 3927: What pump may be used to supplement the bilge pump on the DEEP DRILLER?
N a. #1 Ballast N b. #2 Ballast N c. Salt-Water Service Y d. Drill water 3974: In the illustration, the sea anchor is shown as item number_____. (D014SA )
N a. 7 N b. 13 N c. 15 Y d. 14 4136: If one hydraulic pump of an electro-hydraulic steering unit fails, the vessel's steering can be initially and best maintained by using the __________.
N a. trick wheel N b. accumulator Y c. standby pump N d. telemotor 4141: How much additional solid weight could be loaded at a VCG of 189.7 feet on the DEEP DRILLER while loaded as shown in the Sample Load Form #4 (Drilling)? Assume ballast added or discharged to maintain draft is done so at 15 feet above the baseline.
N a. 279.2 long tons Y b. 314.2 long tons N c. 404.2 long tons N d. 461.9 long tons 4402: The SS AMERICAN MARINER has on board 6584 tons of cargo with an LCG-FP of 277.84 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-0161
N a. LCG-FP 271.2 feet N b. LCG-FP 272.1 feet N c. LCG-FP 273.6 feet Y d. LCG-FP 274.6 feet 4485: 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 KMT is __________.
Y a. 153.73 feet N b. 160.42 feet N c. 179.41 feet N d. 203.97 feet 4487: Weights added or discharged at the center of flotation on the COASTAL DRILLER while floating will change the __________.
N a. list N b. trim Y c. true mean draft N d. TPI 5062: You are making a heavy lift with the jumbo boom. Your vessel displaces 8530 T. The 40-ton weight is on the pier and its center is 65' to starboard of the centerline. The head of the boom is 115' above the base line and the center of gravity of the lift when stowed on deck will be 50' above the base line. As the jumbo boom takes the strain the ship lists to 5°. What is the GM with the cargo stowed?
N a. 2.96 ft N b. 3.18 ft N c. 3.46 ft Y d. 3.77 ft 5163: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the longitudinal metacenter?
N a. 61.13 feet Y b. 61.19 feet N c. 61.22 feet N d. 62.94 feet 5487: A measurement device for inspecting anchor chain is the __________.
N a. slide rule Y b. go-no-go gauge N c. derrick tape N d. amp probe 5735: Given the same water depth and mooring tension, the holding power of a 90 pound/foot chain mooring system in comparison to the holding power of a 19 pound/foot wire rope mooring line will be __________.
N a. weaker Y b. greater N c. equal N d. indeterminable 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 6003: The minimum number of portable C-II fire extinguishers required on the drill floor of a MODU is __________.
N a. 1 Y b. 2 N c. 3 N d. 4 6037: When testing fire hoses on offshore drilling units, each hose must be subjected to a test pressure of at least __________.
Y a. 100 psi N b. 110 psi N c. 120 psi N d. 150 psi 6213: When patching holes in the hull of a MODU, pillows, bedding, and other soft materials can be used as __________.
N a. caulking Y b. gaskets N c. strongbacks N d. wedges 6911: According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life __________.
N a. only when it happens while underway N b. to the next of kin Y c. to the nearest OCMI N d. to the nearest coroner 7056: Your drafts are: FWD 23'-03", AFT 27'-01". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in fresh water.
N a. 12,550 tons Y b. 12,900 tons N c. 13,200 tons N d. 13,350 tons 8313: The worst atmospheric condition for dispersion of H2S is __________.
N a. heavy rain N b. gusty winds with rain Y c. nearly calm, clear nights or early morning N d. full sun with high winds 8893: AMVER is a system which provides __________.
N a. satellite communications N b. navigational information N c. weather information Y d. position reporting service 9251: For well control, the American Petroleum Institute recommends that hydraulic units have sufficient horsepower to close the annular preventer in __________.
N a. 15 seconds Y b. 30 seconds N c. 45 seconds N d. 60 seconds 9382: Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by __________.
Y a. completely closing the compartment N b. closing the compartment except for the ventilators N c. leaving the compartment open to the air N d. increasing the air flow to the compartment by blowers