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.
10: What is the definition of transverse metacenter?
N a. The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability. Y b. The point to which G may rise and still permit the vessel to possess positive stability. N c. The sum of the center of buoyancy and the center of gravity. N d. The transverse shift of the center of buoyancy as a vessel rolls. 435: If an emergency pump control is used as the emergency shutdown on a tank vessel, it must __________.
N a. stop the flow of oil at the main deck manifold N b. prevent the oil from leaving the shore facility Y c. prevent the oil from siphoning through the pump N d. None of the above 542: Before inserting a low-velocity fog applicator into an all-purpose nozzle, you must __________. (D004SA )
N a. install the high-velocity nozzle tip N b. move the handle to position 2 N c. move the handle to position 1 Y d. remove the high-velocity nozzle tip 778: An aluminum powder fire is classified as class __________.
N a. A N b. B N c. C Y d. D 883: On a vessel of 15,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water in the tank tops. The hold is 50 feet long and 60 feet wide. The reduction in metacentric height is __________.
N a. 1.54 feet N b. 1.59 feet N c. 1.63 feet Y d. 1.71 feet 931: The major cause of shock in burn victims is the __________.
N a. high level of pain N b. emotional stress N c. increase in body temperature and pulse rate Y d. massive loss of fluid through the burned area 977: Which type of fire is the foam (stored-pressure type) fire extinguisher effective on?
Y a. Classes A & B N b. Classes A & C N c. Classes B & C N d. All of the above 1040: General requirements for a vessel's radiotelephone station log are that __________.
N a. logs must be kept in an orderly manner N b. erasures are not allowed N c. it must identify the vessel's name and official number Y d. All of the above 1303: According to 46 CFR Subchapter T, where practicable carburetor drip collectors should drain to __________.
Y a. the engine air intakes N b. the fuel tanks N c. a separate pipe leading to the bilges N d. a suitable absorbant material 1580: Which statement is TRUE concerning the placard entitled "Discharge of Oil Prohibited"?
N a. It is required on all vessels. N b. It is only required in the wheelhouse. Y c. It may be located at the bilge and ballast pump control station. N d. All of the above 1870: When should a fire be ventilated?
Y a. When attacking the fire directly N b. When using a steam smothering system N c. When using the fixed CO2 system N d. All of the above 1884: INTERNATIONAL AND INLAND Unless the rules require otherwise, a sailing vessel must keep out of the way of __________.
N a. an overtaking vessel N b. a pilot vessel on station N c. another sailing vessel on a crossing course Y d. a vessel trawling 1980: What product is considered a noxious liquid substance for regulatory purposes?
N a. Dodecyl methacrylate N b. Asphalt N c. Camphor oil Y d. Latex 1995: Who is responsible for insuring that each survival craft on a mobile offshore drilling unit is cleaned and inspected once a year?
N a. The certificated lifeboatman assigned to that craft N b. The certificated able seaman assigned to that craft N c. The Coast Guard inspecting officer Y d. The designated person in charge of the rig 2017: A shipboard Oil Pollution Emergency Plan is required of __________.
N a. all vessels, regardless of size and commercial application N b. any barge or ship constructed or operated in such a manner that no oil in any form can be carried aboard Y c. an oil tanker of 150 gross tons and above, or other ship of 400 gross tons and above N d. an oil tanker of 400 gross tons and above, or other ships of 150 gross tons and above 2159: Your vessel displaces 528 tons. The existing cargo has a center of gravity of 2.9 feet above the deck and weighs 28 tons. If you load 14 tons of ground tackle with an estimated center of gravity of 9 inches above the deck, what is the final height of the CG of the deck cargo?
N a. 1.76 feet N b. 1.93 feet Y c. 2.18 feet N d. 2.43 feet 2276: What is the Reid vapor pressure of allyl chloride?
N a. 16.5 (psia) N b. 14.0 (psia) N c. 12.9 (psia) Y d. 10.3 (psia) 2469: According to the regulations, cargo pumprooms on tank vessels (constructed in 1965) handling grade C liquid cargo shall have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2615: On a MODU, the keel is the primary strength member of the lower hull form in which direction?
N a. transverse N b. diagonal Y c. longitudinal N d. vertical 2658: As a vessel changes course to starboard, the compass card in a magnetic compass __________.
N a. first turns to starboard then counterclockwise to port N b. also turns to starboard N c. turns counterclockwise to port Y d. remains aligned with compass north 2788: Which is NOT a safety precaution to be observed during the loading of LFG?
N a. Report any leakage of cargo. Y b. Make sure the rake ends of the barge are completely dry and mopped. N c. Ascertain that the hoses to be used are in good order. N d. Be on the lookout for work being accomplished ashore in the vicinity of the barges. 2840: If a vessel loads 400 tons of deck cargo resulting in a GM of -0.2 feet on 9000 tons of displacement, what will be the angle of loll? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 16° N b. 15° N c. 12° Y d. 9° 2883: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 3044: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 22.4 feet, and the drafts are: FWD 19'-06", AFT 20'-00".
N a. 12° Y b. 24° N c. 48° N d. 52° 3160: Fixed ballast, if used, may be __________. (small passenger vessel regulations)
N a. discharged or moved at any time Y b. moved temporarily for examination or repair of the vessel, when done under the supervision of an inspector N c. moved under the supervision of the owner, Master or shipyard N d. moved under any condition except extreme emergency 3184: The center of buoyancy and the metacenter are in the line of action of the buoyant force __________.
N a. only when there is positive stability N b. only when there is negative stability N c. only when there is neutral stability Y d. at all times 3254: All uninspected motor vessels constructed after 25 April 1940, which use fuel with a flash point of 110°F (43°C) or less, shall have at least what number of ventilator ducts for the removal of explosive or flammable gases from every engine and fuel tank compartment? (Uninspected Vessel Regulations)
N a. 1 Y b. 2 N c. 3 N d. 4 3263: What is the operating principal of a flash type evaporator?
N a. Sea water is heated to boiling temperature under a vacuum. N b. Sea water is passed over heated plates in a thin film. Y c. Heated sea water is injected into a vacuum chamber. N d. Sea water is forced through a heated eductor. 3365: What is the correct procedure to follow when launching an inflatable liferaft by hand from an OSV?
N a. Connect the float free link to the vessel. Y b. Pull the painter from the container and make it fast to the cleat provided. N c. Open the canopy relief valves. N d. Remove the raft from the container to permit complete inflation. 3475: What is the increase in the longitudinal free surface correction for the DEEP DRILLER at a draft of 60 feet if 103.48 long-tons of ballast are transferred from a full ballast tank 1P to an empty ballast tank 10S?
N a. 0.50 foot Y b. 0.47 foot N c. 0.27 foot N d. 0.13 foot 3481: 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 longitudinal free surface correction?
Y a. 1.63 feet N b. 2.14 feet N c. 2.24 feet N d. 2.38 feet 3488: Who should inspect and test an inflatable liferaft?
N a. The person in charge Y b. An approved servicing facility N c. Shipyard personnel N d. A certificated lifeboatman 3522: You are on a Mariner class cargo vessel. Your drafts are: FWD 21'-04", AFT 23'-04". You wish to increase the calculated GM of 4.8' to 5.8'. What tanks should you ballast? (Use the white pages in the Stability Data Reference Book.)
N a. Tanks: DB2, DB6 N b. Tanks: DB6, DT7 Y c. Tanks: DB4, DB7 N d. Tanks: DB2, DB5 3547: 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-0139
Y a. Available GM 3.5 ft N b. Available GM 3.9 ft N c. Available GM 4.3 ft N d. Available GM 4.8 ft 3569: If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat, you should __________.
N a. go in one direction until the fuel runs out N b. steer a course for the nearest land N c. steer a course for the nearest sea lane Y d. shut down the engines if installed and put out the sea anchor 3580: How should the letter "V" be pronounced when spoken on the radiotelephone?
Y a. VIK TAH N b. VIC TO RE N c. VIX TOO RE N d. VEE 3748: A victim is coughing and wheezing from a partial obstruction of the airway. An observer should __________.
N a. perform the Heimlich maneuver N b. immediately start CPR N c. give back blows and something to drink Y d. allow the person to continue coughing and dislodge the obstruction on his own 3793: When the ullage is 6.4 feet in P-Tank #5 for the Deep Driller, what is the value of the longitudinal moment?
N a. -2,254 foot-tons N b. -2,949 foot-tons N c. -3,392 foot-tons Y d. -4,249 foot-tons 3843: The sounding in tank 1P of the DEEP DRILLER is 7.58 feet. What are the longitudinal moments for this quantity of ballast?
N a. 729 ft-long tons N b. 6,707 ft-long tons N c. 19,609 ft-long tons Y d. 27,652 ft-long tons 3865: What is the minimum required number of ring life buoys on an OSV certified for ocean service?
N a. 4 Y b. 8 N c. 12 N d. 16 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 4226: You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of seven days. You will consume 38 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.004, and the average TPI is 72. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 85 inches Y b. 90 inches N c. 92 inches N d. 94 inches 4486: The international body responsible for drafting the convention prohibiting marine pollution (MARPOL) is the __________.
N a. Maritime Advisory Council Y b. International Maritime Organization N c. International Association of Shipping N d. Association of Seafaring Nations 4517: The longitudinal location of the center of flotation for the COASTAL DRILLER has a value of __________.
N a. 207.33 feet AF0 N b. 160.33 feet AF0 Y c. 119.44 feet AF0 N d. 38.33 feet AF0 4574: The SS AMERICAN MARINER has on board 4824 tons of cargo with an LCG-FP of 277.45 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-0164
N a. LCG-FP 267.7 feet N b. LCG-FP 268.4 feet Y c. LCG-FP 269.2 feet N d. LCG-FP 270.6 feet 4616: 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 salt water.
Y a. 19'-00" N b. 19'-04" N c. 19'-09" N d. 20'-01" 4717: The COASTAL DRILLER is loaded as shown in the sample load from #2 (preload). All of the preload is dumped with the exception of 50 kips in preload tank #28. What is the new LCG?
N a. 119.11 feet AF0 N b. 119.44 feet AF0 Y c. 119.68 feet AF0 N d. 120.11 feet AF0 5105: The edge of a hurricane has overtaken your MODU in the Gulf of Mexico and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the __________.
Y a. navigable semicircle N b. dangerous semicircle N c. low pressure area N d. eye of the storm 5727: Given the same water depth and line tension, the length of the ground cable of a 90 pound/foot mooring chain compared to the length of the ground cable of a 19 pound/ft wire rope mooring line will be __________.
N a. indeterminable N b. identical N c. shorter Y d. longer 5753: The length of chain between the anchor and the end of the pendant line is called the __________.
N a. pigtail chain N b. thrash chain Y c. crown chain N d. wear chain 5805: A permanent chain chasing system is used to __________.
N a. clean anchor chain as it's hauled in N b. recover anchors which have lost their buoys Y c. run and retrieve anchors N d. prepare anchor chain for inspection 5855: A mat-type drilling unit tows more slowly than a jack-up unit due to __________.
Y a. the drag of the mat N b. its deeper draft N c. its tubular legs N d. the design of the bow 6201: The two courses of action if the underwater hull of a MODU is severely damaged are to plug the openings and to __________.
N a. dewater the compartment Y b. establish and maintain flooding boundaries N c. secure power to the compartment N d. counter flood to maintain even keel 6581: If a fixed foam firefighting system on a MODU is not of the premix type, a sample of the foam liquid must be tested by __________.
N a. a Coast Guard inspection officer N b. the safety man aboard the unit N c. the designated person in charge of the unit Y d. the manufacturer or his authorized representative 6618: The SS AMERICAN MARINER has on board 6048 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-0193
Y a. LCG-FP 267.03 feet N b. LCG-FP 267.92 feet N c. LCG-FP 268.66 feet N d. LCG-FP 269.94 feet 7067: An effective method for moving patients with spinal injuries onto a spine board is known as the __________.
N a. pack-strap carry N b. two man extremities carry N c. fireman's drag Y d. four man log roll 8217: What is the purpose of a striker plate?
N a. Provides surface for applying force on machinery Y b. Provides landing surface for the sounding bob N c. Absorbs machinery vibration N d. Prevents valve stem over-travel 8683: With no environmental forces on the DEEP DRILLER, the average of the forward drafts is 61.0 feet, and the average of the aft drafts is 59.0 feet. KGL is 51.13 feet. What is the value of LCG?
N a. -0.12 foot N b. 0.12 foot N c. 2.11 feet Y d. 2.35 feet 8747: If a severe storm threatens the COASTAL DRILLER while elevated, the setback in the derrick should be lowered and placed in the pipe rack. Its weight should be accounted for as __________.
Y a. variable loads N b. drilling loads N c. environmental loads N d. fixed weight 9261: The retrievable subsea units that contain the pilot valves and regulators for operating the subsea blowout preventers are called __________.
N a. accumulators Y b. control pods N c. consoles N d. shuttle controls