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.
101: On a vessel of 10,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on the tank top. The hold is 40 feet long and 50 feet wide. The reduction in metacentric height is __________.
N a. 1.1 feet Y b. 1.2 feet N c. 1.3 feet N d. 1.5 feet 212: In the navigable waters of the United States, Annex V to MARPOL 73/78 is NOT applicable to a(n) __________.
N a. recreational yacht N b. uninspected towing vessel N c. uninspected passenger vessel under 100 GT Y d. U.S. government vessel in non-commercial service 239: Which statement about the free surface correction is TRUE?
N a. It is added to GM at light drafts and subtracted at deep drafts. N b. It is increased if the slack tank is not on the centerline. N c. It is decreased if the slack tank is below the KG of the vessel. Y d. The correction decreases as the draft increases due to loading dry cargo. 389: On a vessel of 9,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on the tank tops. The hold is 20 feet long and 30 feet wide. The reduction in metacentric height is __________.
N a. .09 feet N b. .12 feet Y c. .14 feet N d. .16 feet 569: A shaft alley divides a vessel's cargo hold into two tanks, each 25 ft. wide by 50 ft. long. Each tank is filled with salt water below the level of the shaft alley. The vessel's displacement is 6,000 tons. What is the reduction in GM due to free surface effect?
N a. .56 foot N b. .58 foot Y c. .62 foot N d. .66 foot 671: When signaling a course using the International Code of Signals, the signal __________.
N a. must be followed by "T", "M" or "C" to indicate if it is true, magnetic or compass N b. should be preceded by the letters CSE N c. should include the compass deviation if a compass course is signaled Y d. always indicates a true course unless indicated otherwise in the message 876: Which person may command a lifeboat in ocean service?
N a. Licensed deck officer N b. Able seaman N c. Certificated person Y 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 971: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 975: The waiting signal in code for all forms of signaling is __________.
N a. AR Y b. AS N c. C N d. RQ 1008: A minor heat burn of the eye should be treated by __________.
Y a. gently flooding with water N b. warming the eye with moist warm packs N c. laying the person flat on his back N d. mineral oil drops directly on the eye 1215: According to the regulations for small passenger vessels, fuses and circuit breakers are used in electrical circuits to __________.
N a. keep equipment from shutting off unexpectedly N b. prevent voltage fluctuations Y c. keep the circuit from becoming overloaded or overheated N d. make the operator inspect his wiring periodically after the fuses blow 1273: In launching a covered lifeboat, what would safely lower the lifeboat from inside the lifeboat cabin?
N a. Frapping line N b. Tricing line N c. Rottmer release Y d. Winch remote control wire 1449: A vessel to which Annex V to MARPOL 73/78 applies is located 10 nautical miles from the nearest land. Which type of garbage is prohibited from being discharged?
Y a. Food waste, not comminuted or ground N b. Rags ground to less than 1" N c. Paper ground to less than 1" N d. None of the above 1607: A bilge suction line, in a fishing vessel with more than 16 individuals aboard, must have a strainer with an open area not less than how many times the open area of the suction line?
N a. one N b. two Y c. three N d. four 1759: You are operating a liftboat. When beginning to jack down you should __________.
N a. jack down one leg at a time Y b. jack up first, then down N c. undog doors to the engine room N d. assemble all personnel on the main deck 2023: If you were to jibe in a strong wind, the part of the rigging most likely to fail would be the __________.
N a. forestay Y b. backstay N c. jumper stay N d. halyard 2522: What best describes benzene?
N a. Clear colorless liquid with an acrid odor Y b. Clear colorless liquid with an aromatic odor N c. Brownish liquid, odorless N d. Brownish liquid, with an acrid odor 2572: The radiotelephone urgency signal is __________.
N a. mayday Y b. pan pan N c. securite N d. seelonce feenee 2594: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 3 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 64 N b. 68 N c. 72 Y d. 78 2621: The decks of a MODU are supported by transverse members called __________.
N a. trusses N b. deck longitudinals Y c. deck beams N d. web frames 2674: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 2 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 76 Y b. 67 N c. 60 N d. 52 2694: The heading of a vessel is indicated by what part of the compass?
N a. Card N b. Needle Y c. Lubber's line N d. Gimbals 2726: Your vessel's drafts are FWD 19'-02", AFT 23'-10". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 98 tons of fuel is loaded 116 feet forward of amidships.
N a. FWD 19'-04", AFT 23'-06" N b. FWD 19'-07", AFT 23'-04" N c. FWD 19'-09", AFT 23'-01" Y d. FWD 19'-09", AFT 23'-06" 2741: A record of the types and strengths of steels used on a MODU must be included in the __________.
N a. general plans N b. builder's documentation N c. Certificate of Inspection Y d. construction portfolio 2756: Your vessel's drafts are: FWD 18'-09", AFT 20'-05"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 26° inclination if the center of gravity is 1.0 foot off center.
N a. 0.0 feet N b. 0.4 foot Y c. 0.8 foot N d. 1.7 feet 2764: If you wear extra clothing when entering the water after abandoning ship it will __________.
N a. weigh you down Y b. preserve body heat N c. reduce your body heat N d. make it more difficult to breathe 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 2811: A vessel heading SW is on a course of __________.
N a. 202.5° Y b. 225.0° N c. 247.5° N d. 270.0° 2896: Your vessel is certificated to carry 50 persons. You are required to have __________. (small passenger vessel regulations)
N a. 50 adult life jackets N b. 40 adult life jackets and 10 child life jackets Y c. 50 adult life jackets and 5 child life jackets N d. 50 adult life jackets and 2 child life jackets 2986: What must be mounted at a small passenger vessel's operating station for use by the Master and crew?
Y a. Emergency Instructions N b. A tide table for the area N c. Instructions on artificial respiration N d. The location of the first aid kit 2989: When would it NOT be necessary to immediately notify the U.S. Coast Guard? (small passenger vessel regulations)
N a. Loss of life N b. Major damage affecting the seaworthiness of a vessel Y c. Damage amounting to $2,000 N d. Injury to a person which requires medical treatment beyond first aid 3039: What is a requirement for remote manual shutdown stations for internal combustion engine driven cargo pumps on tank barges?
Y a. They must be conspicuously marked. N b. They must be located at least 10 feet from the engine. N c. There must be at least two such shutdown devices. N d. The valve rods shall be fitted with stuffing boxes. 3295: A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 foot-long tons. What is the new KG if 300 long tons are added at a VCG of 50 feet?
N a. 49.2 feet Y b. 50.0 feet N c. 50.8 feet N d. 57.5 feet 3378: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 1 while using a single belt loader to arrive at a desired mean keel draft of 29'-11"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)
Y a. 2230 tons N b. 2270 tons N c. 2310 tons N d. 2350 tons 3555: What are the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft if the winds are greater than 70 knots?
N a. 912,120 foot-tons N b. 942,120 foot-tons Y c. 996,522 foot-tons N d. 998,927 foot-tons 3596: The light on a life jacket must be replaced __________.
N a. when the power source is replaced N b. each year after installation N c. every six months Y d. when it is no longer serviceable 3608: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.
Y a. comes over the bow N b. blows the fire back toward the vessel N c. comes over the stern N d. comes over either beam 3610: A passenger vessel is underway. When may passengers visit the pilothouse?
Y a. Passengers are excluded from the pilothouse while underway. N b. Passengers are permitted in the pilothouse during daylight hours only. N c. Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch. N d. Passengers are permitted in the pilothouse when they are escorted by a ship's officer. 4076: In the illustration shown, the equipment bags are indicated by item number __________. (D014SA )
N a. 12 N b. 15 N c. 17 Y d. 19 4220: 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 twelve days. You will consume 39 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.025, and the average TPI is 49. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 90 inches N b. 87 inches N c. 80 inches N d. 77 inches 4416: 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. white N b. yellow N c. red Y d. green 4503: The COASTAL DRILLER has a change of trim by the head of 2.0 feet. What is the change of draft at the forward draft marks?
N a. 0.66 feet N b. 1.00 feet Y c. 1.33 feet N d. 2.00 feet 4645: What is the change in the vertical moments (excluding free surface effects) for the COASTAL DRILLER if 2.0 feet of drill water is transferred from a full drill water tank #23 to an empty drill water tank #6?
N a. 253 foot-kips N b. 56 foot-kips Y c. -253 foot-kips N d. -411 foot-kips 4773: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what longitudinal moment would have to be created to level the unit in trim at the new draft?
N a. 25,846 ft-kips N b. 17,119 ft-kips N c. 8,727 ft-kips Y d. 1,788 ft-kips 4805: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new Longitudinal Free Surface Correction (FSCL) if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 2.24 feet N b. 2.14 feet N c. 2.10 feet Y d. 1.63 feet 5175: The DEEP DRILLER, in transit at a seawater draft of 19 feet, enters a fresh water port. What is the new draft?
N a. 19.03 feet Y b. 19.40 feet N c. 19.63 feet N d. 21.16 feet 5197: The DEEP DRILLER, at a draft of 60 feet, has VM of 942,120 ft-tons, and FSML of 36,235 ft-tons. What is the KGL?
N a. 52.0 feet N b. 53.0 feet Y c. 54.0 feet N d. 55.0 feet 5323: While the COASTAL DRILLER is in transit at a draft of 10 feet 6 inches, a severe storm is predicted within 12 hours. VM are 520,462 ft-kips, FSML are 26,000 ft-kips, and FSMT are 25,000 ft-kips. How much should the KG corrected for free surface effects be lowered to satisfy the maximum allowable KG criteria?
N a. 26.90 feet N b. 25.00 feet N c. 1.90 feet Y d. 0.00 feet 5683: You should consider placing the drilling operations of the DEEP DRILLER in standby when __________.
Y a. sustained winds exceed 50 knots N b. winds exceed 70 knots N c. critical motion limits have been exceeded N d. waves are greater than 64 feet 6042: Canvas sails, when not in use, may be damaged if __________.
N a. left in the sunlight Y b. stowed wet N c. folded frequently N d. washed with soap and water 6313: The holding power of an anchor increases when the __________.
Y a. amount of chain lying along the bottom increases N b. length of the catenary is reduced N c. mooring line tension is increased N d. amount of chain lying along the bottom decreases 6395: The term "lost circulation" refers to situations when drilling fluid is lost by __________.
N a. overflowing the drill nipple N b. making drill string connections Y c. flowing into drilled formations N d. an overflow in the mud pits 6633: For a MODU not on an international voyage, an approved substitute for an impulse projected rocket-type line throwing appliance is a __________.
N a. spring loaded line thrower N b. hand thrown buoyant line Y c. shoulder-type line throwing gun N d. heaving line 6801: Where must the 0mster or person in charge of a MODU record the date of each test of emergency lighting and power systems and the condition and performance of the equipment?
N a. On the Certificate of Inspection N b. On the Muster List ("Station Bill") N c. In the Operations Manual Y d. In either the official or unofficial log 6927: Records which must be retained on board after report of casualty to a MODU include the __________.
Y a. tour reports N b. hull reports N c. machinery repair record book N d. deck equipment log 7375: When a semisubmersible rig under tow veers from side to side on its tow line, the best way of controlling the action is to __________.
N a. trim by the bow Y b. trim by the stern N c. play out stern anchor chain N d. adjust the length of the towing bridle 8185: When the COASTAL DRILLER is elevated, the water for the saltwater eductor system is provided by __________.
Y a. raw water tower pumps N b. fire pumps N c. bilge pumps N d. mud pumps 8833: A jack-up level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of -30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is __________.
N a. 667 foot-kips Y b. 833 foot-kips N c. 1,400 foot-kips N d. 1,667 foot-kips 9641: The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO2 required to protect that space is not more than __________.
N a. 1 long ton Y b. 300 pounds N c. 900 pounds N d. 1,500 pounds