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.
3: To turn over an inflatable liferaft that is upside down, you should pull on the __________.
N a. canopy N b. manropes N c. sea painter Y d. righting strap 65: The most serious effect of trapped air in a diesel engine jacket water cooling system is that it __________.
Y a. accelerates erosion N b. reduces the effectiveness of chromate additives N c. can form pockets of high chemical concentrates N d. accelerates formation of sludge deposits 229: Fuel oil tank vents are fitted with a screen which will stop __________.
N a. oil from flowing out of the tank vent N b. air from entering the tank vent N c. vapors from leaving the tank vent Y d. flames on deck from entering the tank vent 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 322: A definite advantage of using water as a fire extinguishing agent is its characteristic of __________.
N a. alternate expansion and contraction as water in a liquid state becomes a vapor N b. absorption of smoke and gases as water is converted from a liquid to a vapor N c. rapid contraction as water is converted from a liquid to a vapor Y d. rapid expansion as water absorbs heat and changes to steam 393: A sea anchor is __________.
N a. a heavy anchor with an extra long line used to anchor in deep water Y b. a cone shaped bag used to slow down the wind drift effect N c. a pad eye to which the sea painter is made fast N d. made of wood if it is of an approved type 394: If you are transmitting a distress message by radiotelephone you should __________.
Y a. use English language N b. always use the International Code N c. preface it by the word "Interco" N d. follow the transmission with the radio alarm signal 448: Treatment of frostbite includes __________.
N a. rubbing affected area with ice or snow N b. rubbing affected area briskly to restore circulation N c. wrapping area tightly in warm cloths Y d. warming exposed parts rapidly 486: The SS AMERICAN MARINER arrived in port with drafts of: FWD28'-04", AFT 30'-11". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0009
Y a. FWD 29'-01", AFT 30'-10" N b. FWD 29'-03", AFT 30'-08" N c. FWD 29'-07", AFT 30'-08" N d. FWD 29'-08", AFT 30'-06" 650: Which is an indication of reserve buoyancy?
N a. Metacentric height N b. Righting moment N c. Rolling period Y d. Freeboard 706: The painter on a life float or buoyant apparatus shall __________.
N a. have a minimum breaking strength of 3,000 lbs. if the capacity of the lifesaving gear is 50 persons or greater N b. be resistant to ultraviolet sunlight deterioration N c. be stowed to pay out freely if the vessel sinks Y d. All of the above 717: If your radiotelephone fails while underway, __________.
N a. you must visually signal oncoming vessels N b. you must immediately tie up in the nearest port until the radiotelephone is repaired N c. you must anchor until the radiotelephone is repaired Y d. the loss of the radiotelephone must be considered in navigating the vessel 723: The color of the signal flare sent up by a submarine to indicate an emergency condition within the submarine is __________.
Y a. red N b. white N c. yellow N d. green 741: You are ordering ship's stores. Which statement is TRUE?
N a. Stores such as line, rags, mattresses, linens, etc. must be treated to be fire retardant. N b. Stores certified for use on uninspected vessels may be identified by the certification number used by Underwriter's Laboratories. Y c. A portable container of a flammable liquid used as fuel for portable auxiliary equipment must be stowed in a paint locker or at a designated open location. N d. Acetylene may be in a ship's storeroom in quantities not exceeding 6000 cubic feet. 946: What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank ?
Y a. Steel or aluminum N b. Sandwich style fiberglass with a natural rubber core N c. Copper-nickel or copper silicon alloys N d. Any or all of the above 1003: You are on a vessel that has a metacentric height of 4 feet, and a beam of 50 feet. What can you expect the rolling period of the vessel to be?
N a. 10.0 seconds N b. 10.5 seconds Y c. 11.0 seconds N d. 11.5 seconds 1069: After the initial AMVER Position Report, sent by a vessel sailing foreign, subsequent Position Reports must be sent no less frequently than every __________.
N a. Monday, Wednesday, and Friday Y b. 48 hours N c. 36 hours N d. 24 hours 1170: When operating gravity davits, the __________.
N a. gripes should be released after the boat is moving Y b. davits should always be hand cranked the last 12 inches into the final stowed position N c. boats are generally lowered by surging the falls around cruciform bitts N d. tricing pendant should be tripped prior to releasing the gripes 1219: 46 CFR Subchapter T requires that rigid plastic or other nonmetallic piping __________.
N a. only be used in non-vital systems N b. not be used in gasoline or diesel fuel systems N c. have approved metallic fittings and cutoff valves where it penetrates a watertight deck or bulkhead Y d. All of the above 1307: Firefighting foam is only effective when the foam __________.
N a. penetrates to the bottom of the fire N b. is kept saturated with low-velocity water fog N c. mixes with the burning fuel oil Y d. completely covers the top of the burning liquid 1472: You are reading the draft marks in illustration D032DG. The water level forward is 4 inches below the 11, and the water level aft is 2 inches below the top of the 11. What is the mean draft? (D032DG )
N a. 11'-08" N b. 11'-06" N c. 11'-04" Y d. 11'-00" 1524: A U.S. merchant vessel in ocean service is NOT subject to the requirements of Annex V to MARPOL 73/78 __________.
N a. outside of 25 nautical miles from nearest land N b. outside of the navigable waters of the United States N c. in the waters of those countries not signatory to MARPOL Y d. A U.S. vessel in ocean service is ALWAYS subject to MARPOL. 1579: During oil transfer operations, who is responsible for ensuring that the posted transfer procedures are followed?
Y a. The designated person in charge N b. The tankerman N c. The senior able seaman N d. The oiler 1696: Which statement(s) is(are) TRUE?
N a. Polyester sailcloth, such as Dacron, is resistant to rot due to moisture but susceptible to UV degradation and should be kept covered as much as possible. N b. Canvas sailcloth is susceptible to rot due to moisture and should never be covered when wet. N c. Kevlar sail cloth is susceptible to weakening due to repeated folding and therefore should be draped loosely over the boom when stowed. Y d. All of the above are true. 1950: The lifesaving equipment on all vessels shall be __________.
N a. inspected weekly N b. stowed in locked compartments Y c. readily accessible N d. tested yearly 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 2015: A shroud is __________.
N a. a light sail N b. a topmast stay N c. a sheet Y d. standing rigging 2600: If your Bunker-C barge has operated in salt water for more than 12 months in the 24 month period since it was last dry-docked, when is it required to be hauled out again?
N a. 36 months since last dry-docking Y b. 24 months since last dry-docking N c. 18 months since last dry-docking N d. 12 months since last dry-docking 2622: Liquefied flammable gas is defined as any flammable gas having a Reid vapor pressure exceeding how many pounds?
N a. 14 N b. 30 Y c. 40 N d. 50 2733: Buoyancy associated with empty or partly empty ballast tanks in the mat of a mat supported jack-up MODU during jacking operations can cause __________.
Y a. capsizing N b. delays N c. progressive flooding N d. negative buoyancy 2887: Seawater may be used for drinking __________.
N a. at a maximum rate of two ounces per day Y b. under no conditions N c. after mixing with an equal quantity of fresh water N d. if gathered during or immediately after a hard rain 3023: A semisubmersible which flops between forward and aft angles of trim is likely to have __________.
Y a. KML less than KGL N b. an off-center LCG N c. LCG greater than LCB N d. KML greater than KMT 3062: The Master of a vessel shall make sure the EPIRB is tested __________. (small passenger vessel regulations)
N a. daily N b. weekly N c. every two weeks Y d. monthly 3132: If the water level is rising in the bilge of a survival craft, you should first __________.
N a. increase the speed of the survival craft N b. shift all personnel to the bow N c. shift all personnel to the stern Y d. check the bilge drain plug 3216: Gasoline fuel tank vents should terminate __________.
N a. in the engine compartment N b. in the fuel tank space Y c. above or outside the hull N d. at the most convenient location 3219: The final inspection responsibility for seeing that a tank barge is provided with the required equipment and fittings in good and serviceable condition prior to loading cargo rests with the __________.
N a. terminal operator N b. owner of the barge Y c. tankerman or person in charge of loading N d. charterer through the Master of the towing vessel 3390: Non-required lifesaving equipment carried as additional equipment aboard small passenger vessels __________.
N a. must be removed when carrying passengers Y b. must be approved by the Commandant N c. may be substituted for not more than 5% of the required lifejackets N d. may be carried regardless of approval or condition, if in excess of required lifesaving equipment 3494: A passenger vessel in river service which operates in fresh water at least 6 out of every 12 months since the last dry dock examination must be dry-docked at intervals not to exceed __________.
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 3539: Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 33 lbs.
N a. 1010 tons each N b. 1025 tons each N c. 1050 tons each Y d. 1070 tons each 3545: Until a change to lightweight has been approved, the weights and center of gravity locations for the changes to lightweight shown in the permanent record for the Deep Driller are treated as __________.
Y a. variable load N b. fixed load N c. basic load N d. gross tonnage 3587: A person has fallen overboard and is being picked up with a rescue boat. If the person appears in danger of drowning, the rescue boat should be maneuvered to make____________________.
N a. an approach from leeward N b. an approach from windward N c. an approach across the wind Y d. the most direct approach 3677: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard aft column below the waterline. Pumping from tanks 8S and 9S is not sufficient to prevent increasing starboard list and stern down trim. You should consider counterflooding in tank __________.
N a. 1S Y b. 1P N c. C2BP N d. 10P 4068: On board an OSV, the key to the most rapid and effective response to a man overboard situation is __________.
N a. switching to hydraulic steering N b. a dedicated crew N c. good equipment Y d. good communication 4075: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new vertical moments if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 12,662 ft-tons Y b. 794,346 ft-tons N c. 795,025 ft-tons N d. 795,704 ft-tons 4135: The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit?
N a. 561.87 long tons Y b. 461.87 long tons N c. 281.34 long tons N d. 192.59 long tons 4346: The EPIRB on board your vessel is required to be tested __________.
N a. weekly Y b. monthly N c. quarterly N d. yearly 4461: If you have to jump in the water when abandoning a MODU, your legs should be __________.
N a. spread apart as far as possible N b. held as tightly against your chest as possible N c. in a kneeling position Y d. extended straight down and crossed at the ankles 4677: 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 is the new height of the center of gravity corrected for transverse free surface effects?
N a. 47.49 feet N b. 49.16 feet Y c. 50.82 feet N d. 50.93 feet 4748: The SS AMERICAN MARINER has on board 3885 tons of cargo with an LCG-FP of 278.45 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-0168
N a. LCG-FP 267.7 feet Y b. LCG-FP 268.4 feet N c. LCG-FP 269.2 feet N d. LCG-FP 270.6 feet 5495: Extended cyclical variations in tensions will cause an anchor chain to break due to __________.
Y a. fatigue N b. corrosion N c. distortion N d. abrasion 5701: The vessel motion that can significantly affect mooring line tensions on a MODU is __________.
N a. roll N b. yaw Y c. surge N d. pitch 6247: Repair of structures on a MODU in the vicinity of liquid mud handling areas presents what possible hazard?
N a. Toxic gasses may be present. Y b. Flammable gasses may be present. N c. Liquid muds may flood adjoining spaces. N d. An oxygen-deficient atmosphere may be present. 6645: Offshore drilling units that are on an international voyage must have a portable radio apparatus that meets the requirements of the __________.
N a. American Bureau of Shipping N b. Minerals Management Service N c. U.S. Coast Guard Y d. Federal Communications Commission 8015: In case of damage to the DEEP DRILLER on location, the immediate objective is to reduce the unexpected inclination and return the unit to __________.
N a. nearest sheltered port Y b. near its original draft N c. drilling N d. survival draft 8553: On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal diameter of __________.
Y a. 1-1/2 or 2-1/2 inches N b. 2 or 3 inches N c. 2-1/2 or 3-1/2 inches N d. 3 or 4 inches 9291: An elevated jack-up weighs 14,000 kips. Its TCG is located 1.0 foot to starboard of the centerline. What would be the new TCG for the jack-up if the drill floor, weighing 700 kips, is skidded 10 feet to port?
N a. 9.00 feet port Y b. 0.50 foot starboard N c. 0.50 foot port N d. 1.00 foot port 9325: Good housekeeping on a vessel prevents fires by __________.
N a. allowing better access in an emergency Y b. eliminating potential fuel sources N c. eliminating trip hazards N d. improving personnel qualifications 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 9597: The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival), when an unexpected, slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the longitudinal free surface correction is __________.
N a. 0.90 foot N b. 0.83 foot N c. 0.57 foot Y d. 0.49 foot 9671: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
Y a. rotate personnel, due to heat stress N b. station personnel on the hot deck immediately above the fire N c. stay low by crouching or kneeling on deck N d. All of the above