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.
140: Which statement is TRUE of a stiff vessel?
Y a. She will have a large metacentric height. N b. Her period of roll will be large due to her large metacentric height. N c. She will have an unusually high center of gravity. N d. She will pitch heavily. 210: Metacentric height is an indication of a vessel's stability __________.
N a. for all angles of inclination N b. for large angles of inclination Y c. for small angles of inclination N d. in no case 678: Fire may be spread by which means?
N a. Conduction of heat to adjacent surfaces N b. Direct radiation N c. Convection Y d. All of the above 840: If a vessel is sagging, what kind of stress is placed on the sheer strake?
Y a. Compression N b. Tension N c. Thrust N d. Racking 879: To operate a portable CO2 extinguisher continuously in the discharge mode __________.
Y a. slip the "D yoke" ring in the lower handle over the upper handle N b. reinsert the locking pin N c. open the discharge valve N d. invert the CO2 extinguisher 1033: Your vessel has been in a collision. After assessing the damage, you begin down flooding. This will cause the KB to do what?
N a. Fall N b. Remain stationary Y c. Rise N d. Shift to the high side 1063: Gasoline tank vent lines on board small passenger vessels must be fitted with removable flame screens __________.
N a. and 30 square inches of louvers N b. three inches in diameter with a check valve to prevent water from entering in heavy weather N c. three inches in circumference inside the fill pipe Y d. consisting of a single screen of at least 30 X 30 mesh, corrosion resistant wire 1090: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11.5". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0025
N a. 1.80 feet N b. 1.89 feet N c. 1.98 feet Y d. 2.05 feet 1183: The engine in a covered lifeboat is fueled with __________.
N a. leaded gasoline N b. unleaded gasoline Y c. diesel oil N d. liquefied gas 1204: Generally, when lifting an inflatable liferaft back aboard ship you would use the __________.
Y a. towing bridle N b. main weather cover N c. external lifelines N d. righting strap 1228: When approaching a fire from leeward, you should shield firefighters from the fire by using __________.
N a. low-velocity fog Y b. high-velocity fog N c. a straight stream of water N d. foam spray 1275: A documented vessel's name is marked on a clearly visible exterior area of both sides of the bow and on the stern in block letters not less than __________.
N a. 6 inches in height N b. 5 inches in height Y c. 4 inches in height N d. 3 inches in height 1378: The most effective cooling agent among those normally used to fight fires is __________.
Y a. water fog or spray N b. chemical foam N c. mechanical foam N d. carbon dioxide 1506: Before hydraulic starting of an engine on a covered lifeboat, what need NOT be checked?
N a. Fuel supply line valve N b. Pressure registered on the accumulator gauge Y c. Cold-spark voltage readings test lamp N d. Engine stop control 1600: You are berthed at a cargo facility where you have just completed discharging a dangerous cargo. You must complete topside repairs involving hot work before sailing. Which of the following statements is TRUE?
N a. You can make repairs with permission of the facility owner since you are empty and the cargo is on the facility. N b. The repair area must be inspected by a marine surveyor to ensure that it can be done safely. N c. Hot work repairs at such a facility are prohibited. Y d. The Captain of the Port may give specific approval to make hot work repairs. 1635: Which firefighting method is an example of an indirect attack on a fire?
N a. Bouncing a straight stream of water off the overhead to create spray effect N b. Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil Y c. Flooding a paint locker with CO2 and sealing the compartment N d. Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction 1750: You are on an inerted tankship. A low pressure alarm must be set to cause an audible and visual alarm if the pressure in the tanks cannot be maintained at more than __________.
Y a. 4" water gauge N b. 90% of the vacuum relief setting N c. 90% of the pressure drop through the scrubber N d. 90% of the vacuum assist fan 1868: The liquid mud tanks on your vessel measure 22'L by 16'B by 7'D. The vessel's displacement is 568 T and the specific gravity of the mud is 1.6. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.56 foot N b. 0.96 foot Y c. 1.18 feet N d. 1.43 feet 1892: What is the required amount of time that a SART's battery must be able to operate the unit in the standby mode?
N a. 8 hours N b. 2 days N c. 3 days Y d. 4 days 1932: Which statement about sailing close-hauled is TRUE?
N a. If you ease the sheets, you can sail faster and closer to the wind. N b. If you ease the sheets, you can sail faster on the same course. Y c. If you steer closer to the wind, you will slow down. N d. If you sheet your sails closer to the centerline, you must bear away from the wind. 2170: You have approximately 60 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 8 feet? (total displacement is 960 tons)
N a. 0.6 foot Y b. 0.5 foot N c. 0.4 foot N d. 0.3 foot 2183: On offshore drilling units, all lifeboats are required to be marked with the __________.
Y a. name and port of the unit N b. owner and port of the unit N c. drilling location N d. builder 2281: When retrieving the survival craft, the winch operator should stop the winch and check __________.
N a. that all personnel are seated in the craft Y b. that the cable has not jumped any grooves on the drum N c. which way the wind is blowing N d. the hydraulic fluid level before lifting 2376: A vessel is limited to a maximum draft of 26'-03". The present drafts are: FWD 21'-04", AFT 24'-06". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 1676 tons 18 feet forward of amidships Y b. 1676 tons 18 feet forward of the tipping center N c. 1972 tons 16 feet forward of amidships N d. 1972 tons 16 feet forward of the tipping center 2469: According to the regulations, cargo pumprooms on tank vessels (constructed in 1965) handling grade C liquid cargo shall have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2552: When can routine communications be resumed when radio silence has been imposed?
N a. After determining that the frequency or channel appears to be no longer in use N b. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications Y c. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded. N d. If, in the Master's opinion, communications on that frequency will interfere with emergency communications 2663: Lighter longitudinal stiffening frames on the MODU side plating are called __________.
Y a. stringers N b. side frames N c. side stiffeners N d. intercostals 2837: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0083
N a. 7.7 feet Y b. 9.1 feet N c. 9.9 feet N d. 10.6 feet 2952: Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil?
N a. The loading dock Y b. The midpoint of the barge N c. Within 25 feet of the pump engine N d. Above the forward rake end 3064: Your sailing drafts are: FWD 18'-03", AFT 19'-07" and the GM is 4.3 feet. What will be the angle of list if #2 starboard double bottom (capacity 78 tons, VCG 2.7 feet, and 24.5 feet off the centerline) is filled with saltwater? (Use the data in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 3° N b. 5° N c. 7° N d. 9° 3095: While retrieving the survival craft, the engine should be stopped __________.
Y a. when the craft clears the water N b. when the cable has been attached N c. on approach to the platform N d. at the embarkation 3431: The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.37 feet. What is the trim in feet?
N a. 2.0 feet by the head Y b. 4.0 feet by the head N c. 4.0 feet by the stern N d. 8.0 feet by the stern 3542: An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?
N a. Fire a red flare at night or a red smoke signal by day Y b. Send the Morse signal "N" by flashing light N c. Make a round turn (360°) and resume course N d. Make an "S" turn (hard right then hard left) and resume course 3625: The DEEP DRILLER is on location during a storm. Windward anchor tensions begin to exceed the test tensions. To reduce tensions while minimizing offset over the well, you should __________.
N a. increase tension on the leeward chain N b. pay out more chain on the windward side Y c. reduce tension on the leeward chains N d. connect an emergency tow wire to the work boat 3854: According to the regulations, the capacity of a liferaft is required to be marked __________.
N a. on the Muster List ("Station Bill") Y b. at the liferaft stowage location N c. on the Certificate of Inspection N d. in the Operations Manual 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 4105: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in LCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?
Y a. 0.06 foot aft N b. 0.14 foot aft N c. 0.27 foot aft N d. 0.40 foot aft 4131: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), a severe storm threatens. What is the improvement in KGL if all the mud is dumped?
N a. 4.59 feet N b. 3.27 feet N c. 2.37 feet Y d. 1.60 feet 4226: 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 seven days. You will consume 38 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.004, and the average TPI is 72. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 85 inches Y b. 90 inches N c. 92 inches N d. 94 inches 4233: Considering the changes to lightweight shown in Section 5 of the COASTAL DRILLER Manual, with the rotary 36 feet aft of the transom and 4 feet to port of the centerline, and with 300 kips in the setback, the maximum hook load is limited to __________.
N a. 870 kips N b. 635 kips N c. 335 kips Y d. 314 kips 4251: What are the maximum acceptable levels of ice and snow accumulations on the COASTAL DRILLER?
N a. 3 inches N b. 2 inches N c. 1 1/4 inches Y d. none 4281: The maximum allowable KG for the COASTAL DRILLER in normal transit at a draft of 10.5 feet is __________.
N a. 40 feet N b. 45 feet N c. 55 feet Y d. 65 feet 4335: The COASTAL DRILLER is experiencing a single amplitude roll angle of 1 degree and a roll period of 7 seconds. What is the maximum recommended water depth for elevating?
N a. 50 feet N b. 100 feet Y c. 150 feet N d. 200 feet 4345: What information must be available to use the Allowable Wind and Wave Charts for the COASTAL DRILLER?
N a. Soil conditions N b. Overturning moment Y c. Water depth N d. Specific gravity of the sea water 4345: What information must be available to use the Allowable Wind and Wave Charts for the COASTAL DRILLER?
N a. Soil conditions N b. Overturning moment Y c. Water depth N d. Specific gravity of the sea water 4635: How much drill water is required for transfer between drill water tanks #25 and #26 in order to correct the list of the COASTAL DRILLER with total transverse moments of -6,800 ft-kips?
N a. 200 kips from tank #26 to tank #25 N b. 200 kips from tank #25 to tank #26 N c. 100 kips from tank #26 to tank #25 Y d. 100 kips from tank #25 to tank #26 4748: The SS AMERICAN MARINER has on board 3885 tons of cargo with an LCG-FP of 278.45 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-0168
N a. LCG-FP 267.7 feet Y b. LCG-FP 268.4 feet N c. LCG-FP 269.2 feet N d. LCG-FP 270.6 feet 5098: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 20'-04", AFT 23'-06". 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-0172
N a. 0.62 foot Y b. 0.80 foot N c. 0.85 foot N d. 0.99 foot 5508: Your drafts are: FWD 17'-09", AFT 18'-03". What is the KM based on the tables in the blue pages of the Stability Data Reference Book?
N a. 25.7 feet N b. 26.0 feet Y c. 26.2 feet N d. 26.4 feet 5557: The holding power of an anchor is the __________.
N a. maximum sustained vertical load an anchor will resist before dragging Y b. maximum sustained horizontal load an anchor will resist before dragging N c. maximum sustained vertical load an anchor will resist before the mooring line breaks N d. maximum sustained horizontal load an anchor will resist before the mooring line breaks 5591: The major cause of anchor buoy pendant wire failures is __________.
N a. corrosion Y b. rough weather N c. defective sockets N d. mishandling 5837: What could cause a significant difference between actual chain tension and the tension measured by the tensiometer?
N a. The type of anchor and mooring line being used N b. The type of bottom in which the MODU is anchored N c. A significant difference between air and water temperature Y d. The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead 6037: When testing fire hoses on offshore drilling units, each hose must be subjected to a test pressure of at least __________.
Y a. 100 psi N b. 110 psi N c. 120 psi N d. 150 psi 7035: If a diabetic suffers an insulin reaction and is conscious, he should be given __________.
N a. soda crackers and water Y b. orange juice N c. an ounce of whiskey N d. a glass of milk 8156: Category 1 EPIRBs are required to be carried on board __________.
N a. small passenger vessels on the Great Lakes N b. all deep draft vessels Y c. fishing industry vessels N d. small passenger vessels 8433: The International Oil Pollution Prevention Certificate on a MODU is valid for a period of __________.
N a. one year from the date of issue N b. two years from the date of issue N c. three years from the date of issue Y d. four years from the date of issue 8435: A MODU which is required to carry an Oil Record Book must log in the book __________.
Y a. discharge of ballast or cleaning water from fuel tanks N b. sounding levels of all fuel tanks on a daily basis N c. the grade and specific gravity of all fuel oil carried N d. fuel consumption rates on a weekly basis 8591: Prior to burning or welding on a fuel tank on a MODU, regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by __________.
N a. a marine chemist N b. the Officer in Charge, Marine Inspection Y c. the Master or person in charge of the MODU N d. the National Fire Protection Association 8695: The DEEP DRILLER, at 58.0 feet draft in sea water, discharges 200 long tons. What is the new displacement?
N a. 16,263 long tons Y b. 17,642 long tons N c. 17,842 long tons N d. 18,118 long tons 9087: No outlet on a fire hydrant may point above the horizontal in order to __________.
Y a. avoid kinking the hose N b. avoid personal injury during connection N c. make connecting easier N d. prevent spray on electrical equipment