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.
120: The point to which your vessel's center of gravity (G) may rise and still permit the vessel to have positive stability is called the __________.
N a. metacentric point Y b. metacenter N c. metacentric radius N d. tipping center 361: What can be used to measure the percentage of oxygen inside a chain locker?
N a. Flame safety lamp N b. Combustible gas indicator Y c. Oxygen indicator N d. H2S meter 483: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 4184 tons of cargo on board with a KG of 27.8 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-0008
Y a. KG 25.8 feet N b. KG 26.6 feet N c. KG 27.2 feet N d. KG 28.0 feet 496: The lifeboat releasing gear lever should be marked with the words __________.
N a. "DANGER, DO NOT TOUCH" N b. "DANGER, BOAT MAY DROP" N c. "DANGER, LEVER RELEASES BOAT" Y d. "DANGER, LEVER DROPS BOAT" 524: The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word __________.
N a. Mayday Y b. Pan N c. Safety N d. Interco 549: If a vessel takes a sudden, severe list or trim from an unknown cause, you should FIRST __________.
Y a. determine the cause before taking countermeasures N b. assume the shift is due to off-center loading N c. counterflood N d. assume the cause is environmental forces 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 614: Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The port side freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST __________.
N a. press up a slack double bottom tank on the port side N b. fill an empty centerline double bottom tank Y c. pump out a slack marine portable tank located on the portside amidships N d. jettison the anchors and anchor cables 831: The spread of fire is prevented by __________.
N a. heating surfaces adjacent to the fire N b. leaving combustibles in the endangered area Y c. shutting off the oxygen supply N d. All of the above 945: The color of rockets, shells, or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is __________.
N a. white N b. green Y c. red N d. yellow 958: Which substance might be subject to spontaneous combustion?
N a. Coal N b. Scrap rubber N c. Leather Y d. All of the above 974: On board small passenger vessels the minimum fill pipe size for a gasoline or diesel tank is __________.
N a. 2 1/2 inches nominal pipe size Y b. 1 1/2 inches nominal pipe size N c. Not specified by the Regulations N d. Large enough so it does not cause backpressure and fuel spillage 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 1523: The term "oil" as used in the Oil Pollution Regulations means __________.
N a. fuel oil N b. sludge N c. oil refuse Y d. All of the above 1727: Which method is used to supply inert gas from a flue gas system to the cargo tanks?
N a. Exhaust gas pressure from the stack Y b. High capacity fan N c. Inert gas compressor N d. Natural aspiration 1760: After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. Your next course of action should be to __________.
Y a. jack the vessel back up to a safe height N b. proceed on to your next destination since the list is unimportant N c. pump out all ballast to gain reserve buoyancy N d. notify the U. S. Coast Guard 1840: Your voyage planning indicates you will arrive at a waypoint in longitude 149°16.3'W at 0947 ZT on 3 March 1988. How should this date be entered into an AMVER report?
N a. 030947W Y b. 031947Z N c. 031947 88 N d. 03MAR1947Z 1880: The primary reason for placing covers over storage batteries is to __________.
N a. prevent the accumulation of explosive gases N b. protect the hull from leaking electrolyte N c. prevent movement of the battery in rough waters Y d. protect against accidental shorting across terminals 1956: You have 400 tons of below deck tonnage. There is no liquid mud aboard. If you have 225 tons of cargo above deck with a VCG above the deck of 3.4 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (D036DG )
N a. 1.96 feet Y b. 2.28 feet N c. 2.65 feet N d. 2.93 feet 2046: Your drafts are: FWD 5'-11", AFT 6'-11". From past experience, you know that the vessel will increase her draft 1 inch for every 7 tons loaded. There is rig water on board and 16 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
N a. 8 tons N b. 12 tons N c. 10 tons Y d. 14 tons 2093: The davit launched liferaft can be boarded __________.
N a. from the water only Y b. at the deck N c. by jumping down onto it N d. through the escape tube 2251: What will NOT decrease the stability of a vessel?
N a. Topside icing N b. Running with a following sea N c. Using 35% of the fuel in a full tank Y d. Lowering a weight suspended by a boom onto the deck 2292: Grade D liquids are those having flash points of __________.
N a. 80°F or less Y b. greater than 80°F and less than 150°F N c. 150°F or greater but less than 212°F N d. 212°F or greater 2599: Oil fires are best extinguished by __________.
Y a. cutting off the supply of oxygen N b. removing the fuel N c. cooling below the ignition temperature N d. spraying with water 2602: In order to determine the health hazard data for carbolic acid, you would use that information contained in the Chemical Data Guide for which chemical?
N a. Acetic oxide N b. Carbinol N c. Carbon bisulfide Y d. Phenol 2769: Starting motors, generators, and any other spark producing devices shall be __________. (small passenger vessel regulations)
N a. of the alternating current type Y b. mounted as high as practicable above the bilges N c. rated for at least 12 volts N d. All of the above 3022: Vessels operating in warm water whose routes are restricted to 20 miles from a harbor of safe refuge shall carry life floats or buoyant apparatus for not less than __________. (small passenger vessel regulations)
N a. 25% of all persons on board Y b. 50% of all persons on board N c. 75% of all persons on board N d. 100% of all persons on board 3117: For a MODU with longitudinal inclination, an increase in GML causes __________.
N a. list to stabilize at an angle of loll N b. trim to stabilize at an angle of loll N c. trim to increase Y d. trim to decrease 3350: Which statement is TRUE concerning the number of portable fire extinguishers required at the operating station of a small passenger vessel? (small passenger vessel regulations)
N a. None are required. Y b. One B-I extinguisher is required. N c. One B-II extinguisher is required. N d. Two B-I extinguishers are required. 3368: Your tow includes a barge carrying chlorine. Which special requirements must be observed?
N a. The wing voids shall not be opened when underway. N b. You must post a deckhand to keep a special watch on this barge. Y c. A cargo information card for chlorine must be in the pilothouse. N d. All of the above 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 3642: When communicating on the radiotelephone using plain English, what procedure word indicates the end of my transmission and that a response is necessary?
N a. Out Y b. Over N c. Roger N d. Wilco 3680: When administering artificial respiration to an adult, the breathing cycle should be repeated about __________.
Y a. 12 to 15 times per minute N b. 18 to 20 times per minute N c. 20 to 25 times per minute N d. as fast as possible 3726: 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 3741: Because of the presence of 75 knot winds, the DEEP DRILLER is at survival draft. KGT is 3.24 feet less than the maximum allowed. What is the value of GMT?
Y a. 5.32 feet N b. 5.17 feet N c. 3.39 feet N d. 3.24 feet 3791: What is the VCG of the additional load if P-tank #4 in the DEEP DRILLER Sample Load Form #1 (Transit) is completely filled ?
N a. 113.90 feet N b. 117.01 feet N c. 121.03 feet Y d. 123.06 feet 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 4092: On which route is a towing vessel over 39.4 feet in length NOT required to carry an echo-sounding device?
N a. Great Lakes N b. Inland Waters, other than the Western Rivers Y c. Western Rivers N d. Coastwise Routes 4121: The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moments 51,466 foot-tons, and total transverse moments -10,000 foot-tons. What is the weight of the missing load?
N a. 220.7 long tons N b. 235.3 long tons N c. 253.7 long tons Y d. 272.7 long tons 4187: The DEEP DRILLER is drilling at 60 feet draft at a corrected KG of 54.0 feet. Ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?
N a. 1283 long tons N b. 817 long tons N c. 679 long tons Y d. 302 long tons 5075: What lighting characteristic is required of an obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf?
N a. Fixed N b. Flashing Y c. Quick-flashing N d. Occulting 5314: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0176
N a. 1.05 feet N b. 1.15 feet Y c. 1.25 feet N d. 1.31 feet 5462: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 13'-10", AFT 16'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0179
N a. 1.30 feet N b. 1.17 foot Y c. 1.01 foot N d. 0.91 foot 5481: A common means of connecting shots of anchor chain in the field is to use a __________.
N a. sprocket Y b. Kenter link N c. swivel N d. end shackle 5553: The angle between the flukes and the shank of an anchor is called the __________.
N a. holding angle N b. fleet angle Y c. fluke angle N d. shank angle 5668: Your drafts are: FWD 16'-02", AFT 18'-02". Use the blue pages of the Stability Data Reference Book to determine the MT1.
N a. 935 foot-tons Y b. 960 foot-tons N c. 985 foot-tons N d. 1000 foot-tons 5715: What can cause a lack of oxygen in a chain locker?
N a. Absorption N b. Osmosis N c. Evaporation Y d. Oxidation 5931: If the charted water depth is 200 feet, the limits of service for the COASTAL DRILLER require an air gap of __________.
N a. 35 feet N b. 32 feet Y c. 30 feet N d. 25 feet 5936: 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-0188
N a. Available GM 4.1 ft Y b. Available GM 4.3 ft N c. Available GM 4.7 ft N d. Available GM 5.1 ft 6445: What is the function of wearing rings found on some centrifugal pumps?
N a. Absorb erosion of high velocity discharge stream N b. Seal pump shaft against entry of air Y c. Isolate the outlet side from the inlet side N d. Dampen the turbulent discharge flow 6895: Who is responsible for reporting a casualty to a mobile offshore drilling unit?
N a. The pilot Y b. The owner N c. The surveyor N d. The engineer 7073: Where there are multiple accident victims, which condition should be the first to receive emergency treatment?
N a. Back injuries N b. Major multiple fractures Y c. Suspension of breathing N d. Burns 7603: Initial stability refers to stability __________.
Y a. at small angles of inclination N b. when loaded with minimum deck load N c. when at transit draft N d. when GZ is zero 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 8221: What is the purpose of a vent header?
N a. Prevents entry of water into vent systems N b. Prevents passage of flame into fuel tanks N c. Catches overflow Y d. Combines individual vent lines into a main 9342: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
Y a. Fusible links must be replaced if a damper is activated. N b. Fusible links are tested by applying a source of heat to them. N c. Fusible links must be replaced at every inspection for certification. N d. A fusible link will automatically open after a fire is extinguished and reset the damper. 9371: Overhauling a fire in the living quarters on a vessel must include __________.
Y a. opening dead spaces to check for heat or fire N b. evacuation of the vessel N c. sounding the "all clear" signal N d. operation of the emergency generator 9383: Immediately after abandoning a vessel, lookouts should be posted aboard liferafts to look for __________.
Y a. survivors in the water N b. food and water N c. land N d. bad weather 9411: When anchoring in an area with a soft bottom, the fluke angle of an anchor should be set at __________.
N a. 20° N b. 30° N c. 40° Y d. 50° 9595: A non-symmetrical tank aboard a MODU contains 390 tons of ballast at a VCG of 9.85 feet. Ballast weighing 250 tons and a VCG of 12.0 feet is discharged. The vertical moments for the remaining ballast is __________.
Y a. 842 ft-long tons N b. 3,000 ft-long tons N c. 3,842 ft-long tons N d. 6,842 ft-long tons