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.
17: The atmosphere in a tank is too rich when it is __________.
N a. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level) N b. capable of supporting combustion N c. in a noncombustible state which can be relied on to occur naturally on a regular basis Y d. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit) 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 222: 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. 14° Y b. 20° N c. 26° N d. 32° 327: The maneuvering information required to be posted in the wheelhouse must be based on certain conditions. Which of the following is NOT one of these conditions?
N a. The hull must be clean. N b. There must be calm weather-wind 10 knots or less and a calm sea. N c. There must be no current. Y d. The depth of the water must be at least one and one-half times the draft. 329: Which statement about the free surface effect is TRUE?
Y a. It has the same affect on initial stability whether the tank is 75% full or 25% full. N b. The free surface effect usually increases at angles of heel above 25°. N c. The effect increases if the tank is off the centerline. N d. The effect can be reduced by shifting weights vertically. 381: What is the meaning of the signal "G0325"?
N a. The distance is 325 miles. Y b. The longitude is 3°25'. N c. The course is 325°. N d. Change course to 325°. 556: All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at least once every __________.
N a. 6 months Y b. year N c. 18 months N d. two years 570: On a vessel of 5,000 tons displacement there are two slack tanks of acid (SG 1.8). Each tank is 30 feet long and 20 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
N a. .11 ft N b. .21 ft Y c. .40 ft N d. .82 ft 580: Freeboard is measured from the upper edge of the __________.
N a. bulwark Y b. deck line N c. gunwale bar N d. sheer strake 604: To prevent loss of stability from free communication flooding you should __________.
N a. close the cross-connection valve between the off-center tanks N b. completely flood high center tanks N c. ballast double bottom wing tanks Y d. close any opening to the sea in an off-center tank 606: When lifeboat winches with grooved drums are fitted on a vessel the lead sheaves to the drums shall be located to provide fleet angles of not more than __________.
N a. 4° Y b. 8° N c. 12° N d. 16° 613: The length of the steering oar in a lifeboat is __________.
N a. shorter than the rowing oars N b. the same length as the rowing oars Y c. longer than the rowing oars N d. unrelated to the length of the rowing oars 899: EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?
N a. Head up and feet down Y b. Head down and feet up N c. Flat on back with head and feet elevated N d. Arms above the head 986: According to Coast Guard Regulations (CFR 33), the shipboard Oil Pollution Emergency Plan must include __________.
N a. all information ordinarily provided in the Oil Record Book Y b. an explanation and purpose of the plan N c. a one-line schematic of the plan to be implemented N d. the operating instructions for any and all oily-water separators installed aboard the vessel 1036: Life preservers must be marked with the __________.
N a. stowage space assigned Y b. vessel's name N c. vessel's home port N d. maximum weight allowed 1046: On small passenger vessels a gasoline tank vent pipe must __________.
N a. have a cross sectional area not less than that of 19 millimeters OD tubing. N b. be connected to the tank at its highest point N c. terminate in a U-bend as high above the weather deck as practicable Y d. All of the above 1109: On small passenger vessels, drains or outlets for drawing off diesel fuel from water traps or strainers __________.
N a. must be located at the lowest portion of the tank N b. must have only a gravity-forced flow N c. must be extended to an external area of the hull Y d. are permitted 1111: On small passenger vessels, outlets in fuel lines are permitted __________.
N a. to tap fuel for cleaning parts and engine wash down N b. for inspection purposes only N c. to bleed fuel lines Y d. under no circumstances in gasoline installations 1382: Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by __________.
Y a. convection N b. conduction N c. radiation N d. spontaneous combustion 1386: If the metacentric height is large, a vessel will __________.
N a. be tender N b. have a slow and easy motion Y c. be stiff N d. have a tendency to yaw 1707: Your 40-foot auxiliary sailing vessel has just run aground on a bar. She has a relatively long, deep keel and the tide is falling. You have checked the bilges for damage and found none. Which is the most prudent action to take immediately?
N a. Sheet the sails in flat to try to heel her over with the wind and sail off. N b. Start the engine and run it hard in forward to try to drive over and off the bar. Y c. Strike the sails. Then run a kedge anchor out to one side, hook the main halyard to it, and heave the boat down onto one side. N d. Take soundings visually, by sounding pole, or lead line all around the vessel to locate the deepest water. 1825: Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the __________.
Y a. landing area and sources of vapor ignition N b. main deck N c. engine room N d. drill floor 1899: Your vessel displaces 684 tons and measures 132'L by 31'B. What is the reduction in GM due to free surface if the fish hold (32'L by 29'B by 9'D) is filled with 2 feet of water? (Each foot of water weighs 26.5 tons)
N a. 2.17 feet N b. 2.32 feet Y c. 2.52 feet N d. 3.01 feet 1948: You have 600 tons of below deck tonnage. There is no liquid mud aboard. If you have 150 tons of cargo above deck with a VCG above the deck of 2.8 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. 1.96 feet N b. 2.25 feet Y c. 3.20 feet N d. 3.55 feet 1981: On a mobile offshore drilling unit it is required to __________.
N a. inspect the lifesaving gear provided in any helicopter landing on the rig N b. check the Certificate of Inspection of any support vessel bringing hazardous materials to the rig N c. insure that engineering spaces are in a clean and sanitary condition Y d. record the length of each abandonment drill in the rig's log book 2016: Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'-09" is 6 seconds, what is the GM?
N a. 0.95 foot N b. 1.25 feet Y c. 1.55 feet N d. 1.78 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 2216: Which statement is generally correct regarding the maintenance requirements for ships under GMDSS?
N a. Redundancy of functions of certain equipment will partially meet this requirement. N b. On-board maintenance provided by a person holding a GMDSS maintainer's license will partially meet the requirements. N c. Shoreside maintenance and scheduled tests and inspections will partially meet this requirement. Y d. All of the above 2233: You are underway when a fire breaks out in the forward part of your vessel. If possible, you should __________.
N a. call for assistance N b. abandon ship to windward N c. keep going at half speed Y d. put the vessel's stern into the wind 2576: When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.
Y a. the safety of navigation or important meteorological warnings N b. the safety of a vessel or a person is in jeopardy N c. a vessel in need of immediate assistance N d. a coast station traffic list 2701: Compared to internal structural plating, the exterior hull plating on a MODU is usually __________.
Y a. stronger N b. thinner N c. more corrosion resistant N d. a lower grade steel 2846: A small passenger vessel engaging in international voyages must be dry docked at least once every __________.
N a. 6 months Y b. 12 months N c. 36 months N d. 60 months 2936: A vessel's drafts are: FWD 16'-03", AFT 16'-09"; and the KG is 21.3 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 2 feet off the centerline.
N a. 12° N b. 14° Y c. 20° N d. 22° 3016: Hand held red flares expire 42 months from the date of manufacture. Floating orange smoke distress signals expire after how many months?
N a. 18 months N b. 24 months Y c. 42 months N d. 60 months 3106: The SS AMERICAN MARINER has on board 5480 tons of cargo with an LCG-FP of 272.20 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0105
N a. LCG-FP 272.2 feet N b. LCG-FP 268.3 feet Y c. LCG-FP 265.1 feet N d. LCG-FP 263.4 feet 3232: Which statement is TRUE concerning work vests aboard a vessel? (Uninspected Vessel Regulations)
N a. They may be worn during drills. N b. They may be substituted for up to 10% of the required lifesaving gear aboard. N c. They need not be of an approved type. Y d. They must be stowed separately from approved life preservers. 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 3578: The "call" part of a signal by flashing light is made by the general call or by __________.
N a. sending "CQ" Y b. the identity signal of the station called N c. spelling the name of the station called N d. omitting the call if the name of the station is unknown 3686: When applying chest compressions on an adult victim during CPR, the sternum should be depressed about __________.
N a. 1/2 inch or less N b. 1/2 to 1 inch N c. 1 to 1-1/2 inches Y d. 1-1/2 to 2 inches 3815: Among the valves to open when deballasting using tanks 1P and 10P of the DEEP DRILLER is __________.
N a. 2 Port N b. 24 Port Y c. 48 Port N d. 44 Port 3820: Once the daily ration of drinking water in a survival situation has been established, the drinking routine should include __________.
N a. small sips at regular intervals during the day N b. a complete daily ration at one time during the day Y c. one-third the daily ration three times during the day N d. small sips only after sunset 3886: Which type EPIRB must each ocean-going OSV carry?
N a. Class A N b. Class B N c. Class C Y d. Category I 3926: To keep injured survivors warm in the water after abandoning ship, they should __________.
Y a. be placed in the middle of a small circle formed by the other survivors in the water N b. float on their backs with their arms extended for maximum exposure to the air N c. remove their life preservers and hold on to the uninjured survivors N d. sip water at intervals of fifteen minutes 4000: On a rigid liferaft (SOLAS B pack) which is equipped with all of the required equipment you may NOT find a __________.
N a. bailer N b. sponge N c. whistle Y d. fishing kit 4192: Alterations or repairs on inspected small passenger vessels must be done __________.
N a. under the direction of the Officer in Charge, Marine Inspection N b. in accordance with the regulations of Subchapter "S" (Subdivision and Stability) N c. in accordance with regulations in effect when the vessel was contracted for, as long as the repairs are minor Y d. All of the above 4247: The maximum combined drilling load for the COASTAL DRILLER consisting of the combined hook, rotary, setback, and conductor tension, shall not exceed __________.
N a. 450 kips N b. 500 kips N c. 750 kips Y d. 1000 kips 4685: What is the change in transverse moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
Y a. 1,671 ft-kips N b. -161 ft-kips N c. -1,800 ft-kips N d. -2,982 ft-kips 5445: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to port and forward. Strong wind and high waves are from the starboard quarter. Among the possible causes, you should consider __________.
N a. failure of mooring lines 1 or 2 Y b. failure of mooring lines 5 or 6 N c. leak in ballast tank #2P N d. ballast tanks are equalizing into tank 1P 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 6011: On a MODU, hand portable extinguishers are size(s) __________.
N a. II only N b. II and III Y c. I and II N d. I only 6027: On a MODU, firefighting equipment must be inspected once every __________.
N a. three months N b. six months Y c. twelve months N d. eighteen months 6957: Regulations require certain records to be retained on board for at least 3 months after a MODU is involved in a casualty or until advised that they are no longer needed on board by the __________.
N a. owner N b. Master N c. person in charge Y d. Officer in Charge, Marine Inspection 7677: Reducing free surfaces has the effect of lowering the __________.
N a. uncorrected KG Y b. virtual height of the center of gravity N c. metacenter N d. metacentric height 7847: When the mainline valve of a self-contained breathing apparatus is open, the bypass valve should be __________.
N a. completely open Y b. completely closed N c. disconnected N d. partially opened 8332: What type of stern tube bearing has the least friction?
Y a. Oil-lubricated bearings N b. Lignum vitae N c. Hard rubber N d. Bronze bushings 8384: 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 8707: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). If port valves 24 and 2 are mistakenly opened, the change in inclination will be increasing trim by the __________.
Y a. bow with port list N b. bow N c. stern N d. stern with starboard list 8991: The enclosed area defined as the intersection of the surface of the water and the hull of a vessel is the __________.
N a. amidships plane N b. longitudinal reference plane N c. baseline Y d. waterplane 9275: A jack-up displacing 15,000 kips has a KG of 20 feet. The legs weighing 3,500 kips are lowered 100 feet. What is the new KG?
N a. 23.33 feet N b. 18.67 feet N c. 4.67 feet Y d. -3.33 feet 9467: When inclined to an angle of list, the value of the righting moment is __________.
N a. negative Y b. zero N c. positive N d. maximum