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.
50: What is not usually a concern when loading a single-hulled tanker?
N a. Bending moments Y b. Initial stability N c. Draft N d. Trim 62: The deck water seal of the inert gas system __________.
N a. cools the inert gas and prevents soot from entering the cargo tanks N b. acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zone Y c. prevents the backflow of hydrocarbon gasses into nonhazardous areas N d. relieves sudden large overpressures in the system 183: Which statement is TRUE concerning an inflatable liferaft?
N a. The floor may be inflated for insulation from cold water. N b. Crew members can jump into the raft without damaging it. N c. The raft may be boarded before it is fully inflated. Y d. All of the above 509: Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called __________.
N a. faking N b. flemishing down Y c. mousing N d. worming 582: Extra chemicals for producing chemical foam should be stored __________.
N a. in a freezer Y b. in a cool dry place N c. at a temperature not less than 80°F N d. in open bins 600: The amount of freeboard which a ship possesses has a tremendous effect on its __________.
N a. initial stability N b. free surface Y c. stability at large angles of inclination N d. permeability 875: How many bolts are required in a temporarily connected standard ANSI coupling?
N a. 2 Y b. 4 N c. 6 N d. 8 932: Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of __________.
N a. the CO2 being inhaled by personnel N b. reflash of burning liquids N c. vapor condensation on the extinguisher Y d. the discharge causing a static spark 1024: The firing of a red star signal may mean __________.
N a. "This is the best place to land" N b. "You are seen - assistance will be given as soon as possible" N c. "Tail block is made fast" Y d. "Slack away" 1038: You are piloting a vessel, which is required to have a radiotelephone, on the navigable waters of the United States. You must __________.
N a. maintain a listening watch and communicate in English N b. use the bridge-to-bridge VHF-FM designated frequency only to exchange navigational information or necessary tests N c. have on board an operator who holds a restricted radiotelephone operator permit or higher license, as well as a FCC ship station license Y d. All of the above 1078: The explosive range of Bunker C mixed with air is __________.
N a. 0% to 1% by volume Y b. 1% to 5% by volume N c. 5% to 10% by volume N d. 10% to 20% by volume 1144: Aboard a 60 foot long small passenger vessel (other than a ferry) which is certificated to carry 33 persons, the minimum capacity required per bilge pump is __________.
Y a. 10 gallons per minute N b. 19 gallons per minute N c. 38 gallons per minute N d. 50 gallons per minute 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 1338: Regular foam can be used on all but which flammable liquid?
N a. Motor gasoline N b. Jet fuel N c. Crude petroleum Y d. Alcohol 1368: A fire in electrical equipment should be extinguished by using __________.
N a. salt water N b. foam N c. low-velocity fog Y d. CO2 1425: Which advantage does dry chemical have over carbon dioxide (CO2) in firefighting?
N a. Compatible with all foam agents N b. Cleaner Y c. More protective against re-flash N d. All of the above 1499: A cargo of 60 tons is to be loaded on deck 20 feet from the ship's centerline. The vessel's displacement including the 60 ton cargo will be 6,000 tons and the GM two feet. The list of the vessel after loading this cargo will be __________.
N a. 5.4° Y b. 5.72° N c. 6.12° N d. 6.4° 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. 1737: In order for combustion to occur inside a piping system such as a vapor collection header in a marine emission control system, there must be __________.
N a. fuel N b. oxygen N c. ignition Y d. All of the above 1785: What is a GMDSS functional or carriage requirement for compulsory vessels?
N a. A compulsory vessel must carry at least two (2) licensed GMDSS operators N b. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails. N c. A compulsory vessel must be able to transmit and respond to Distress alerts. Y d. All of the above 1890: Spaces containing batteries require good ventilation because __________.
N a. ventilation avoids CO2 build up N b. ventilation supplies extra oxygen for charging the battery Y c. ventilation avoids flammable gas accumulation N d. less electrolyte is required to maintain the batteries' charge 1920: Which statement is TRUE concerning life preservers?
N a. Buoyant vests may be substituted for life preservers. Y b. Kapok life preservers must have vinyl-covered pad inserts. N c. Life preservers must always be worn with the same side facing outwards. N d. Life preservers are not designed to turn a person's face clear of the water when unconscious. 1964: When crossing a bar in rough weather, you should enter on a(n) __________.
N a. tidal bore N b. ebbing current Y c. flood current N d. All of the above 2127: On vessels on an international voyage, each inflatable liferaft shall have a carrying capacity of not less than __________.
N a. 50 percent of all persons on board N b. 75 percent of all persons on board Y c. 6 persons N d. 10 persons 2212: In order to maintain speed while changing course from a close reach to a broad reach, the sails should be __________.
N a. lowered N b. reefed N c. hauled in Y d. eased out 2510: Camphor oil is classified as a __________.
N a. Grade A flammable liquid N b. Grade C flammable liquid Y c. Grade D combustible liquid N d. Grade E combustible liquid 2562: How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 4000 brake horsepower?
N a. 2 N b. 3 Y c. 4 N d. 5 2612: What is NOT listed as a synonym for crude oil in the Chemical Data Guide?
N a. Rock oil N b. Mineral oil N c. Seneca oil Y d. Earth crude 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 3086: Which barge in your tow would require a cargo information card to be carried in the pilothouse?
N a. A tank barge with a sign reading "No Visitors, No Smoking, No Open Lights" N b. An open hopper barge carrying coal N c. A gas-free chlorine barge Y d. An empty (not gas-free) barge that last carried benzene 3229: The engine head, block, and exhaust manifold shall be __________. (small passenger vessel regulations)
Y a. water jacketed N b. air cooled N c. preheated prior to starting N d. drained weekly 3243: If there's a fire aboard your vessel, you should FIRST __________.
N a. notify the Coast Guard N b. cut off air supply to the fire N c. have passengers put on life preservers Y d. sound the alarm 3251: A hydrostatic release mechanism for a liferaft __________.
N a. must be wet before it will release N b. should be kept in a watertight cover except in an emergency N c. will inflate the raft in its cradle if operated manually Y d. must be submerged to a certain depth to release automatically 3357: What must be carried out in order to launch and inflate an inflatable liferaft?
N a. Pull on the hydrostatic release, pull on the sea painter. Y b. Push on the hydrostatic release, pull on the sea painter. N c. Push on the hydrostatic release, push on the sea painter. N d. Pull on the hydrostatic release, push on the sea painter. 3384: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 4236 tons of cargo on board with a KG of 27.2 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-0125
Y a. KG 26.9 feet N b. KG 27.3 feet N c. KG 27.8 feet N d. KG 28.1 feet 3407: The most important thing to remember when launching an inflatable liferaft by hand is to __________.
N a. open the CO2 inflation valve N b. open the raft container Y c. ensure that the operating cord is secured to the vessel N d. inflate the raft on the vessel, then lower it over the side 3495: The SS AMERICAN MARINER arrived in port with drafts of: FWD 17'-10", AFT 19'-06". 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-0134
N a. FWD 16'-10", AFT 21'-02" N b. FWD 17'-00", AFT 21'-00" N c. FWD 17'-02", AFT 20'-10" Y d. FWD 17'-04", AFT 20'-08" 3742: 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 3810: If help has not arrived in 10-12 hours after having abandoned an OSV in a survival craft, you should __________.
N a. go in one direction until the fuel runs out N b. plot course for the nearest land N c. take a vote on the direction in which to go Y d. shutdown the engines and put out the sea anchor 4250: A bulk freighter 580 ft. in length, 60 ft. beam, with a waterplane coefficient of .84 is floating in salt water at a draft of 21 ft. How many long tons would it take to increase the mean draft 1"?
N a. 65.1 Y b. 69.6 N c. 74.3 N d. 76.8 4413: The COASTAL DRILLER, while in a normal transit, experiences single amplitude rolling of three degrees. What is the minimum period of roll which does not exceed the design limits of the legs?
N a. 1.5 seconds N b. 3.0 seconds Y c. 5.5 seconds N d. 7.0 seconds 4572: You are underway at sea. A fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should __________.
N a. remain on course and hold speed Y b. change course and put the stern to the wind N c. change course to put the wind on either beam and increase speed N d. remain on course but decrease speed 4707: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 50 kips of tubulars are discharged from the cantilever starboard pipe racks. What is the change in the vessel's LCG?
Y a. 0.23 foot forward N b. 0.40 foot forward N c. 0.64 foot forward N d. 1.02 feet forward 4723: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new trim angle if 500 kips of weight are shifted aft 60 feet?
N a. 2.02 degrees by the stern N b. 1.51 degrees by the stern N c. 0.98 degrees by the stern Y d. 0.61 degrees by the stern 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 5233: During counterflooding to correct a severe list or trim aggravated by an off-center load, a MODU suddenly takes a list or trim to the opposite side. You should __________.
N a. continue counterflooding in the same direction N b. continue counterflooding, but in the opposite direction Y c. immediately stop counterflooding N d. deballast from the low side 5752: 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-0184
N a. Available GM 2.8 ft N b. Available GM 3.2 ft Y c. Available GM 3.5 ft N d. Available GM 3.8 ft 6624: The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise is ___________,
N a. red N b. white Y c. green N d. red 6871: Lifeboat winches on mobile offshore drilling units are required to be inspected and an entry made in the logbook. How often should this entry be made?
Y a. Every 3 months N b. Every 6 months N c. Every year N d. Only after conducting a boat drill 7641: In small-angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the __________.
N a. center of gravity N b. center of flotation Y c. metacenter N d. metacentric height 7643: When a vessel is floating upright, the distance from the keel to the metacenter is called the __________.
N a. metacentric radius N b. height of the baseline Y c. height of the metacenter N d. righting arm 7977: Overspeed of the diesel engine driving an electric generator could cause __________.
N a. low voltage trip N b. reverse power trip Y c. damage to windings N d. excessive exhaust temperatures 8077: Progressive flooding on a MODU is controlled by securing watertight boundaries and __________.
N a. transferring drill water N b. dumping bulk materials Y c. pumping out flooded compartments N d. evacuating the unit 8157: A moment of 300 ft-tons is created by a force of 15,000 tons. What is the moment arm?
N a. 50.00 feet N b. 25.00 feet N c. 0.04 foot Y d. 0.02 foot 8561: On a MODU, a fire pump may be used for other purposes if __________.
N a. the other services are run off a reducing station with a pressure gage Y b. a separate fire pump is available for use on the fire main N c. all other services are operated by a manifold near the pump N d. All of the above 8693: While in transit at a draft of 20.5 feet, the DEEP DRILLER has a KGT of 65.00 feet. What is the GMT?
Y a. 7.55 feet N b. 5.42 feet N c. 5.30 feet N d. 5.10 feet 8817: A jack-up has 8 inches of trim by the stern. Calculations show that the moment required to change trim one inch (MCT1") is 500 foot-kips. To level the unit, how far must a weight of 50 kips be transferred toward the bow?
N a. 10.0 feet N b. 62.5 feet Y c. 80.0 feet N d. 100.0 feet 8837: A jack-up with a calculated moment to change list one inch (MCL1") of 1,200 foot-kips intends to transfer 100 kips of weight in a transverse direction. How far should the weight be transferred to change the draft on the port side from 11.5 to 11.0 feet?
N a. 12 feet N b. 48 feet N c. 120 feet Y d. 144 feet 8883: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Additional deck load may be placed aboard. If the maximum permissible deck load were placed in the pipe racks at a VCG of 130 feet, the KG increases __________.
N a. 1.43 feet N b. 1.89 feet Y c. 2.23 feet N d. 2.43 feet 8911: If a victim is unconscious, you should first look for evidence of __________.
N a. high fever N b. head injury N c. broken limbs Y d. irregular breathing