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.
30: Transverse stability calculations require the use of __________.
N a. hog or sag calculations or tables Y b. hydrostatic curves N c. general arrangement plans N d. cross-sectional views of the vessel 45: Which statement is TRUE concerning small oil spills?
N a. They usually disappear quickly. N b. They usually stay in a small area. Y c. They may cause serious pollution as the effect tends to be cumulative. N d. A small spill is not dangerous to sea life in the area. 145: Which statement concerning an accidental oil spill in the navigable waters of the U.S. is TRUE?
N a. The Corps of Engineers is responsible for the clean up of the spill. N b. The Department of Interior is responsible for the clean up of the spill. N c. A warning broadcast must be made by radiotelephone. Y d. The person in charge must report the spill to the Coast Guard. 154: The standard rate of signaling by flashing light is __________.
N a. twenty letters per minute N b. thirty letters per minute Y c. forty letters per minute N d. fifty letters per minute 175: According to 46 CFR Subchapter T, a stability test may be dispensed with if the __________.
Y a. Coast Guard has the approved stability test results of a sister vessel N b. projected cost is unreasonable N c. Coast Guard does not have a qualified inspector available N d. vessel is of a proven design 179: A vessel is floating at a mean draft of 14 feet. At this draft, the displacement is 6780 tons. The length of the vessel is 450 feet, beam is 50 feet, and TPI is 45.5. What is the KM? (See the P-K table in the blue pages of the Stability Data Reference Book)
N a. 28 feet N b. 26 feet Y c. 22 feet N d. 12 feet 269: To remedy a leaking fire hose connection at the hydrant, secure the valve and __________.
N a. replace the gasket in the male coupling N b. reduce fire pump pressure Y c. replace the gasket in the female coupling N d. rethread the male coupling 587: Which vessel is NOT required to have a radiotelephone?
N a. A 34-foot vessel engaged in towing N b. A dredge operating in a channel N c. A vessel of 100 GT carrying 50 passengers for hire Y d. A 12-meter private yacht 688: Which may ignite fuel vapors?
N a. Static electricity N b. An open and running motor N c. Loose wiring Y d. All of the above 857: Who must ensure that the emergency lighting and power systems on cargo vessels are operated at least weekly?
Y a. Master N b. Chief Engineer N c. Deck officer assigned N d. Engineering officer assigned 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 936: If your vessel is equipped with inflatable liferafts, how should they be maintained?
N a. Have your crew check them annually. N b. They do not need any maintenance. Y c. Have them sent ashore to an approved maintenance facility annually. N d. Have them serviced by the shipyard annually. 973: You are on a vessel that has a metacentric height of 1.0 foot and a beam of 40 feet. What can you expect the rolling period of the vessel to be?
N a. 15.2 seconds N b. 15.9 seconds N c. 17.0 seconds Y d. 17.6 seconds 987: Which extinguishing agent will cool down a heated bulkhead in the least amount of time?
N a. Water stream Y b. Water fog or spray N c. Steam N d. Dry chemical 1019: You are operating 10 miles offshore with three people aboard. What kind of survival craft must you carry?
N a. An inflatable liferaft with a coastal pack N b. A life float N c. An inflatable buoyant apparatus Y d. No survival craft is required. 1048: The angle of maximum righting arm corresponds approximately to the angle of __________.
Y a. deck edge immersion N b. the load line N c. downflooding N d. loll 1185: If the steersman of your lifeboat gives the command "Way enough", you should __________.
N a. complete the stroke, hold your oar out from the boat and level with the water N b. dip the blade of your oar into the water and leave it there N c. lift your oar to a vertical position Y d. complete the stroke, raise your oar slightly, swing it forward, and place it in the boat 1195: The command "Oars" means to __________.
N a. lift the oars to a vertical position Y b. complete the stroke and bring the oars horizontal, blades feathered N c. place the oars in the boat with blades forward N d. place the oars in the rowlocks directly from the boated position 1200: What is TRUE concerning frapping lines?
Y a. They are used to steady a lifeboat when lowered. N b. They are normally attached to the davit span. N c. They are needed only on radial davits. N d. They are used to clear the puddings. 1217: Which types of portable fire extinguishers are designed for use on electrical fires?
Y a. Dry chemical and carbon dioxide N b. Foam (stored pressure) and soda-acid N c. Carbon dioxide and foam (stored pressure) N d. Dry chemical and soda-acid 1298: If a powdered aluminum fire is being fought, the correct extinguishing agent would be __________.
Y a. dry powder N b. water fog N c. CO2 N d. steam 1349: What type of liquid is used in the liquid P/V breaker?
N a. Hydraulic oil Y b. Water-antifreeze mixture N c. Distilled water N d. Oil from the cargo 1432: You are reading the draft marks. The top 2 inches of the 9 forward is visible above the water level, and the water level is four inches below the 10 aft. What is the mean draft? (D032DG )
N a. 9'-10" Y b. 9'-06" N c. 9'-04" N d. 9'-02" 1744: Each hose used for transferring vapors must __________.
N a. have a design burst pressure of at least 25 psig N b. be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting N c. be electrically continuous with a maximum resistance of ten thousand ohms Y d. All of the above 1970: What product is considered a noxious liquid substance for regulatory purposes?
Y a. Octanol N b. Acetonitrile N c. Hog grease N d. Carbon black hose 1994: Which kind(s) of broadcasts are available through Safety NET?
Y a. MSI and messages to pre-defined groups of subscribers N b. MSI and vessel traffic lists N c. Hourly NOAA weather broadcasts from the NWS N d. Coastal weather broadcasts 1996: You have 240 tons of below deck tonnage. There is no liquid mud aboard. If you have 360 tons of cargo above deck with a VCG above the deck of 2.9 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 1.35 feet N b. 1.86 feet N c. 2.56 feet Y d. 3.60 feet 1999: Which channel and mode should be used when initiating a Distress alert transmission?
N a. Channel 6 DSC N b. Channel 6 Radiotelephony N c. Channel 13 Radiotelephony and Channel 16 DSC Y d. Channel 70 DSC 2206: Which action will NOT reduce heeling of a vessel when sailing on a tack?
N a. Heading up until your sails begin to luff N b. Easing sheets N c. Reefing sails Y d. Changing to larger sails 2286: What is the boiling point of carbon disulfide?
N a. 167°F Y b. 115°F N c. 111°F N d. 46°F 2370: According to the Chemical Data Guide, the flammable limits of ethylene oxide are __________.
N a. 1.85 - 48.0% Y b. 2 - 100% N c. 2.7 - 34% N d. 1.9 - 88.0% 2901: What is one of the FIRST actions you should take after abandoning and clearing away from a vessel?
Y a. Identify the person in charge. N b. Gather up useful floating objects. N c. Prepare for arrival of rescue units. N d. Arrange watches and duties. 3159: Fusible-link fire dampers are operated by __________.
N a. a break-glass and pull-cable system N b. electrical controls on the bridge N c. a mechanical arm outside the vent duct Y d. the heat of a fire melting the link 3247: A semisubmersible with displacement of 19,700 long tons and KG of 50.96 feet loads 300 long tons of barite into P-tanks located 120 feet above the keel. What is the change in KG?
N a. 0.79 foot upward N b. 1.00 foot upward Y c. 1.04 feet upward N d. 1.83 feet upward 3300: How many portable fire extinguishers are required to be located inside the machinery space of a small passenger vessel?
Y a. None are required N b. One B-I, C-I N c. One B-II, C-II N d. One B-II 3306: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0120
N a. FWD 26'-09", AFT 28'-05" Y b. FWD 26'-05", AFT 28'-07" N c. FWD 26'-04", AFT 28'-10" N d. FWD 26'-00", AFT 29'-00" 3315: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0122
N a. 271.2 ft Y b. 291.0 ft N c. 288.8 N d. 305.3 ft 3339: What is acceptable flame screening?
N a. A fitted single brass screen of 10 x 10 mesh Y b. A fitted stainless steel screen of 30 x 30 mesh N c. A fitted single stainless steel screen of 15 x 15 mesh N d. Two fitted brass screens of 10 x 15 mesh spaced 1/2 inch apart 3490: According to the SOLAS regulations, lifeboat falls must be renewed at intervals of how many years?
N a. 2.5 N b. 3 N c. 4 Y d. 5 3525: Among the equipment included in the DEEP DRILLER lightweight are the loading hoses, derrick, traveling block in the lowest position, mooring chain, all machinery with liquids to normal operating level, and __________.
N a. normal food supplies for 79 persons N b. eight anchor buoys Y c. anchors N d. lower hull fuel 3763: What is the procedure for checking for spinal cord damage in an unconscious patient?
N a. Beginning at the back of the neck, and proceeding to the buttocks, press the spine to find where it hurts Y b. Prick the skin of the hands and the soles of the feet with a sharp object to check for reaction N c. Selectively raise each arm and each leg and watch patient's face to see if he registers pain N d. Roll patient onto his stomach and prick along the length of his spine to check reaction 4034: When a standard in the fire protection regulations for towing vessels is "incorporated by reference," it means that the __________.
N a. Coast Guard accepts a commercial or military standard as part of a specific regulation N b. standard is readily available to the public N c. standard, and where it can be obtained or referred to, are listed in the Code of Federal Regulations Y d. All of the above 4037: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the new KGT?
N a. 52.60 feet Y b. 53.65 feet N c. 54.31 feet N d. 54.92 feet 4073: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new TM (transverse moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. -3,436 ft-tons Y b. 3,446 ft-tons N c. 3,594 ft-tons N d. 22,682 ft-tons 4125: 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 moment 51,466 foot-kips, and total transverse moments -10,000 foot-kips. What is the transverse location of the missing load?
N a. 36.67 feet N b. 0.56 foot N c. -0.55 foot Y d. -36.67 feet 4194: You are loading in a port governed by the tropical load line mark for a voyage to a port governed by the winter mark. The fresh water allowance is 5 inches, and the hydrometer reads 1.005. Which statement is TRUE?
N a. You may load to the tropical mark plus 1 inch brackish water allowance. Y b. You must load so that each zone mark will not be submerged upon entering the zone. N c. Your draft must not exceed the winter mark plus the fresh water allowance upon arrival off the discharge port. N d. You may only load to the winter mark plus a brackish water allowance of 4 inches. 4565: The COASTAL DRILLER, elevated in 200 feet of water with 2 knots current, 30 foot waves, and wind speeds of 60 knots may continue drilling if the maximum leg reaction is less than __________.
N a. 5,700 kips N b. 5,790 kips Y c. 5,870 kips N d. 5,990 kips 4705: What is the weight of 100 barrels of 17 pound per gallon drilling mud?
N a. 24.9 kips N b. 41.5 kips Y c. 71.4 kips N d. 93.0 kips 5053: Which shape shown would be displayed by a mobile offshore drilling unit that is being towed more than 200 meters astern of a towing vessel? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. D 5085: A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is __________.
N a. under tow Y b. fixed to the seabed N c. underway N d. All of the above 5357: During preloading or elevating the COASTAL DRILLER, jacking-up may continue if the total weight is less than __________.
N a. 21,497 kips N b. 21,297 kips N c. 17,700 kips Y d. 14,400 kips 5425: The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new LCG?
N a. 122.02 feet AFO N b. 125.03 feet AFO Y c. 125.63 feet AFO N d. 131.46 feet AFO 5823: Your semisubmersible drilling unit is moored on station and is experiencing winds from the north. What will be the effect if you increase the length of the anchor chains you have deployed to the north?
N a. It will increase your draft. N b. It will increase your operating tensions. Y c. It will increase the holding power of those chains. N d. It will significantly reduce your stability. 6838: What is an advantage of a steam turbine over a diesel for the main propulsion?
N a. Faster response from ahead to astern N b. Less fuel consumption N c. Cheaper initial installation cost Y d. Less weight per unit of horsepower 7401: In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when __________.
N a. there is a rescue craft in the area N b. water temperature is below 40°F Y c. there is a severe list to the windward side of the MODU N d. a rigid survival craft is in the area 8367: How would the exhaust of a properly operating diesel engine appear?
N a. Light blue haze N b. Light brown haze N c. Light gray haze Y d. Perfectly clear 8783: When using a hand held smoke signal aboard a survival craft, you should activate the signal __________.
Y a. on the downwind side of the craft N b. on the upwind side of the craft N c. inside the craft N d. at the stern of the craft 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 9583: Each person on a MODU carrying immersion suits must wear the immersion suit in a boat drill, or participate in a drill which includes donning the suit and being instructed in its use at least once every __________.
Y a. month N b. 2 months N c. 3 months N d. 6 months 9652: When pilot cylinder pressure is used as a means to release the CO2 from a fixed fire extinguishing system consisting of four storage cylinders, the number of pilot cylinders shall be at least __________.
N a. 1 Y b. 2 N c. 3 N d. 4