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.
55: Most minor spills of oil products are caused by __________.
N a. equipment failure Y b. human error N c. major casualties N d. unforeseeable circumstances 197: Normally, potable water systems are connected directly to the __________.
N a. fire-main system N b. feed-water system N c. freshwater sanitary system Y d. domestic water tank 342: Every injury aboard a commercial fishing industry vessel must be reported to the __________.
N a. Coast Guard Y b. vessel owner or owner's agent N c. Occupational Safety and Health Administration N d. National Fisheries Service 620: A vessel's LCG is determined by __________.
Y a. dividing the total longitudinal moment summations by displacement N b. dividing the total vertical moment summations by displacement N c. multiplying the MT1 by the longitudinal moments N d. subtracting LCF from LCB 622: Most enclosed lifeboats will right themselves after capsizing IF the __________.
N a. lower ballast tanks are filled with water Y b. passengers are strapped to their seats N c. sea anchor is deployed to windward N d. fuel tanks are not less than half full 644: The difference between the forward and aft drafts is __________.
N a. list N b. heel Y c. trim N d. flotation 748: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.
N a. blows the fire back toward the vessel Y b. comes over the bow N c. comes over the stern N d. comes over either beam 764: Which word is an international distress signal when transmitted by radiotelephone?
N a. Securite Y b. Mayday N c. Breaker N d. Pan 888: An oil fire is classified as class __________.
N a. A Y b. B N c. C N d. D 920: If a vessel lists to port, the center of buoyancy will __________.
Y a. move to port N b. move to starboard N c. move directly down N d. stay in the same position 1154: On a small passenger vessel, backfire flame arrestors are installed on a/an __________.
N a. oil fired turbine or reciprocating steam engine N b. turbocharged diesel engine N c. natural gas (propane) engine Y d. gasoline powered engine 1229: Which T-Boat must be fitted with a suitable compass?
N a. A vessel in river service N b. A vessel operating on a short, restricted route on lakes, bays, and sounds Y c. A vessel engaged in ocean or coastwise service N d. The regulations do not require a compass on any vessel 1260: The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship's side is a __________.
Y a. sheath-screw davit N b. gravity davit N c. radial davit N d. bruckner davit 1341: Persons who have swallowed a non-petroleum based poison are given large quantities of warm soapy water or warm salt water to __________.
Y a. induce vomiting N b. absorb the poison from the blood N c. neutralize the poison in the blood N d. increase the digestive process and eliminate the poison 1617: When compared to low-expansion foam, a high-expansion foam will __________.
N a. be wetter Y b. be lighter N c. be more heat resistant N d. not cling to vertical surfaces 1643: On a MODU with lifeboats stowed in two different locations, if all the lifeboats are lost in one location then the remaining lifeboats must accommodate what percentage of the persons permitted on board?
N a. 50% N b. 75% N c. 90% Y d. 100% 1655: Which space(s) on your cargo vessel must have a fire detection system?
N a. Any compartment containing explosives N b. Any compartment adjacent to one containing explosives N c. Enclosed spaces which are "specially suitable for vehicles" Y d. All of the above 1677: After an engine is started you should __________.
N a. increase engine speed to insure adequate flow of oil to all parts of the engine N b. pay no attention unless there are unusual noises from the engine Y c. check operating pressures and temperatures, and check for leaks N d. run the engine at idle until the temperature has increased 1687: The old sailors admonition "Beware the lee shore" warns of the danger due to __________.
N a. the wind blowing stronger at this location Y b. the ground swell making it difficult to tack off N c. the current flowing directly on shore N d. there being less wind in the lee of the shore 1693: Every different type of sailing rig can be dangerous in certain circumstances. Which situation would most likely be dangerous?
N a. A gaff rig is dangerous in a calm wind and sea. Y b. A gaff rig is dangerous in a calm wind and large swell. N c. A square rig, such as a ship rig, is dangerous to jibe. N d. A tall, marconi, sloop rig is dangerous to tack. 1715: After allowing for pressure losses, the pressure-volume capacity of an inert gas blower must be able to maintain a pressure, in any cargo tank, at a minimum of __________.
N a. 50 millimeters of water pressure Y b. 100 millimeters of water pressure N c. 150 millimeters of water pressure N d. 200 millimeters of water pressure 1828: A gas-free certificate would usually be issued by a(n) __________.
N a. ABS marine surveyor Y b. certified marine chemist N c. port engineer N d. Coast Guard marine inspector 1835: On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than __________.
N a. 16° Y b. 20° N c. 24° N d. 30° 2021: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.
N a. true wind velocity increases N b. heeling moment decreases Y c. side slip increases N d. jib sheet must be eased 2072: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. stripping N b. topping off N c. gravitating Y d. All of the above 2112: You are sailing the navigable waters of the United States. You must have a currently corrected copy (or extract) of the __________.
N a. List of Lights Y b. Tide Tables N c. Sailing Directions N d. H.O. 249 Sight Reduction Tables 2406: Your vessel is limited to a maximum draft of 26'-03". The present drafts are: FWD 22'-10", AFT 23'-08". How much more cargo can be loaded and where should it be located if a drag of 18 inches is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 875 tons 6 feet aft of amidships N b. 950 tons 8 feet forward of the tipping center Y c. 1323 tons 7 feet aft of the tipping center N d. 1452 tons 7 feet aft of the tipping center 2421: How many degrees are there on a compass card?
Y a. 360° N b. 380° N c. 390° N d. 420° 2441: A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the __________.
N a. lifts N b. collars Y c. elevators N d. clamps 2732: According to the regulations, to prevent excessive pressure buildup in cargo tanks containing LFG, they are fitted with __________.
N a. pressure vacuum relief valves N b. excess flow valves Y c. safety relief valves N d. flame screens 2739: Your vessel's drafts are: FWD 19'-03", AFT 21'-03". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 18 inches? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 27 tons Y b. 31 tons N c. 34 tons N d. 37 tons 2791: Seawater may be used for drinking __________.
Y a. under no conditions N b. at a maximum rate of two ounces per day N c. if gathered during or immediately after a hard rain N d. after mixing with an equal quantity of fresh water 2913: The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-09.5", AFT 22'-09.5". Cargo was loaded and discharged as shown. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts. ST-0087
N a. FWD 21'-06.3", AFT 22'-06.6" Y b. FWD 21'-11.3", AFT 23'-01.8" N c. FWD 22'-06.6", AFT 21'-06.9" N d. FWD 23'-00.2", AFT 22'-00.4" 3439: An inflatable liferaft should be manually released from its cradle by __________.
N a. cutting the straps that enclose the container N b. removing the rubber sealing strip from the container N c. loosening the turnbuckle on the securing strap Y d. pushing the button on the hydrostatic release 3441: A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'-09"; Port Aft 78'-09"; Starboard Forward 69'-09"; and Starboard Aft 73'-09". What is the trim?
N a. -1.0 foot N b. -2.0 feet Y c. -4.0 feet N d. -8.0 feet 3612: Your vessel's existing draft is FWD 14'-00", AFT 16'-00". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 350 long tons are discharged from No. 13 hatch.
N a. FWD 13'-03 5/8", AFT 15'-03 1/8" N b. FWD 13'-04 3/4", AFT 15'-03 1/4" N c. FWD 13'-05 1/5", AFT 15'-04 3/5" Y d. FWD 13'-08 4/5", AFT 15'-08 4/5" 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 3774: The signal given to commence lowering the lifeboats is __________.
N a. 3 short blasts of the ship's whistle Y b. 1 short blast of the ship's whistle N c. 3 long blasts of the ship's whistle N d. 1 long blast of the ship's whistle 3806: A liferaft which has inflated bottom-up on the water __________.
Y a. should be righted by standing on the carbon dioxide cylinder, holding the righting straps and leaning backwards N b. should be righted by standing on the life line, holding the righting straps leaning backwards N c. will right itself when the canopy tube inflates N d. must be cleared of the buoyant equipment before it will right itself 4090: Which instrument may a towing vessel, engaged in towing exclusively on the Western Rivers, use in place of a magnetic compass?
N a. Gyrocompass Y b. Illuminated Swing Meter N c. LORAN-C Receiver N d. GPS Receiver 4091: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new metacentric height corrected for longitudinal free surface effects if the entire contents of salt water ballast 1anks 1P and 1S are discharged? (Use KML = 348.58)
N a. 261.11 feet Y b. 279.37 feet N c. 283.37 feet N d. 301.12 feet 4167: The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new metacentric height corrected for transverse free surface effects?
Y a. 11.26 feet N b. 10.07 feet N c. 9.67 feet N d. 8.30 feet 4178: 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-0156
N a. 229.8 ft N b. 234.3 ft N c. 244.6 ft Y d. 253.5 ft 4199: A vessel's tropical load line is 6 in. above her summer load line. Her TPI is 127 tons. She will arrive in the summer zone 8 days after departure. She will burn off about 47 tons/day fuel and water consumption is 12 tons/day. How many tons may she load above her summer load line if she loads in the tropical zone?
N a. 376 Y b. 472 N c. 762 N d. 1016 4239: Either one approved B-V semi-portable fire-extinguishing system or a fixed fire-extinguishing system is required to protect the engine room on towing vessels whose construction was contracted for before __________. (Uninspected Vessel Regulations)
N a. April 29, 2005 N b. April 29, 2004 Y c. August 27, 2003 N d. February 1, 2002 4268: Which statement about immersion suits is TRUE?
Y a. Prior to abandonment, the suit allows body movement such as walking, climbing a ladder and picking up small objects. N b. The immersion suit seals in body heat and provides protection against hypothermia for weeks. N c. The suit is flameproof and provides protection to the wearer while swimming through burning oil. N d. The wearer of the suit is severely restricted and requires twice the time to climb a ladder than without the suit. 4303: During a long ocean tow of a jack-up the clearance in the upper guide should be reduced to zero to restrain the leg and eliminate the impact loads from dynamic responses. This is best done by __________.
N a. lowering the spud cans below the hull N b. raising the spud cans into hull recesses Y c. tapering the upper guides and building up the teeth N d. remove certain lengths of leg 4313: The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for leg strength and __________.
Y a. stability N b. variable load N c. environmental load N d. load line 4527: The sounding for Drill Water Tank #18 for the Coastal Driller is 1.25 feet. It is decided to fill the tank. What is the vertical center of gravity for the added liquid?
Y a. 3.13 feet N b. 2.50 feet N c. 1.87 feet N d. 0.63 foot 4553: What longitudinal moments are created when 379.97 kips of fresh water is placed in the COASTAL DRILLER's #1 drill water tank?
N a. 1,729 ft-kips N b. 1,739 ft-kips N c. 1,749 ft-kips Y d. 1,759 ft-kips 4641: What is the change in longitudinal moments 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 #1?
N a. 15,565 foot-kips increase N b. 7,585 foot-kips increase Y c. 15,565 foot-kips decrease N d. 16,041 foot-kips decrease 6246: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. N b. Fusible links must be replaced at every inspection for certification. Y c. Fusible links must be replaced if a damper is activated. N d. Fusible links are tested by applying a source of heat to them. 6961: A report of casualty to a mobile offshore drilling unit must be made in writing to which office?
N a. Commandant of the Coast Guard N b. Owner of the unit Y c. Nearest Coast Guard Marine Safety Office N d. Captain of the nearest port 7083: What can be determined about an injury from examining the condition of a victim's pupils?
N a. The degree of pain being suffered N b. The degree of vision impairment Y c. Whether or not the brain is functioning properly N d. Whether or not the victim's blood pressure is normal 7307: All VHF marine band radios operate in the simplex mode, which means that __________.
Y a. only one person may talk at a time N b. only two persons may talk at the same time N c. the radio only transmits N d. the radio only receives 8583: After cranes have been installed on offshore drilling units the hooks, hook block, slings, rib and other rigging must be load tested. This test must be performed once each __________.
N a. 12 months N b. 24 months N c. 36 months Y d. 48 months 8615: The LWT anchor has two angular positions for the flukes. These are __________.
N a. 30° and 40° Y b. 30° and 50° N c. 30° and 60° N d. 40° and 60° 8775: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected forward inclination. The wind and waves are light from the starboard bow. Among the possible causes, you should consider __________.
N a. failure of mooring lines 2 and 3 N b. drilling crew has dumped the mud Y c. the drill string has broken N d. ballast tanks equalizing into tank 1P 9543: Stable equilibrium for a vessel means that the metacenter is __________.
N a. at a lower level than the baseline N b. on the longitudinal centerline Y c. higher than the center of gravity N d. at amidships 9577: When is the density of the water required to be logged in the logbook of a MODU?
N a. Any time the vessel moves from water of one density into waters of a different density Y b. Prior to getting underway when the vessel is floating in fresh or brackish water N c. Only when the vessel moves from fresh water into salt water N d. The density of the water is not required to be logged in the unofficial logbook