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.
33: Inflatable liferafts are less maneuverable than lifeboats due to their __________.
N a. shape N b. shallow draft N c. large sail area Y d. All of the above 87: Which type of portable lighting may be used to enter a compartment on a tank barge which is NOT gas-free?
N a. A three-cell flashlight Y b. An explosion-proof, self-contained, battery-fed lamp N c. A spark resistant and flame retardant lamp N d. None of the above 93: If, for any reason, it is necessary to abandon ship while far out at sea, it is important that the crew members should __________.
N a. separate from each other as this will increase the chances of being rescued N b. get away from the area because sharks will be attracted to the vessel N c. immediately head for the nearest land Y d. remain together in the area because rescuers will start searching at the vessel's last known position 100: When a vessel has positive stability, the distance between the line of force through B and the line of force through G is called the __________.
N a. metacentric height Y b. righting arm N c. righting moment N d. metacentric radius 339: If a firefighting situation calls for low-velocity fog you would __________.
N a. order the engine room to reduce pressure on the fire pump N b. put the lever on an all-purpose fire nozzle all the way forward Y c. attach a low-velocity fog applicator with the nozzle shut down N d. put the lever on an all-purpose fire nozzle all the way back 353: When a sea anchor is used in landing stern first in a heavy surf, sternway is checked by __________.
N a. slacking the tripping line and towing the sea anchor from the stern Y b. slacking the tripping line and towing the sea anchor by the holding line N c. towing with the tripping line and leaving the holding line slack N d. towing the apex end forward with the tripping line 418: Treatment(s) of heat exhaustion consist(s) of __________.
Y a. moving to a shaded area and laying down N b. bathing with rubbing alcohol N c. placing the patient in a tub of cold water N d. All of the above 439: Fixed CO2 systems would not be used on crew's quarters or __________.
N a. the paint locker Y b. spaces open to the atmosphere N c. cargo holds N d. the engine room 563: Which item is of the most use in getting a lifeboat away from a moving ship?
N a. The falls Y b. Boat hook N c. Boat painter N d. Sea painter 661: The Master of a fishing vessel must ensure that each crew member participates in at least one fire drill every __________.
N a. day N b. week Y c. month N d. 3 months 783: A person referring to the stern sheets of a lifeboat is speaking of __________.
N a. the line attached to the tack of the lugsail N b. the emergency rudder N c. a canvas awning Y d. the aftermost seating 905: The color of the signal flare sent up by a submarine coming to periscope depth is __________.
N a. white N b. green Y c. yellow N d. red 909: Which part of the inert gas system is designed to relieve sudden large overpressures that exceed the capacity of the mechanical P/V valves?
N a. Pressure control valve N b. Deck water seal Y c. Liquid filled P/V breaker N d. Isolation valve 944: The lifesaving signal indicating "You are seen - Assistance will be given as soon as possible" is the __________.
N a. vertical motion of white flags N b. vertical motion of a white light or flare N c. firing of a green star signal Y d. None of the above 1016: What is the maximum length of time that distress flares are approved for?
N a. 1 and 1/2 years N b. 2 years Y c. 3 and 1/2 years N d. 5 years 1078: The explosive range of Bunker C mixed with air is __________.
N a. 0% to 1% by volume Y b. 1% to 5% by volume N c. 5% to 10% by volume N d. 10% to 20% by volume 1230: The purpose of the tricing pendants is to __________.
N a. control the fore and aft motion of a lifeboat during lowering N b. control the outboard swing of a lifeboat during lowering N c. provide suspensions for the manropes Y d. hold a lifeboat next to the embarkation deck while loading 1709: Why is gas-freeing rarely required for LPG cargo tanks?
N a. LPG is compatible with all cargos. N b. LPG's high oxygen content makes it nonvolatile. N c. Cargo tanks are inspected less frequently than on oil tankers. Y d. The cargo tanks are used for one type of cargo only. 1848: Your vessel displaces 477 tons and measures 116'L x 31'B. You ship a large wave on the after deck. What is the reduction in GM due to free surface before the water drains overboard, if the after deck measures 54'L x 31'B and the weight of the water is 51.5 tons?
N a. 6.43 feet N b. 6.75 feet N c. 6.99 feet Y d. 7.25 feet 2019: You have 38 containers of ships stores each measuring 6'L by 6'B by 5'H and weighing 0.6 ton each. Each container is stowed on deck. What is the maximum VCG permitted of the remaining cargo if you are carrying rig water and load to maximum capacity? (See illustration D037DG, stability letter for M.V. Surveyor) (D037DG )
N a. 0.54 foot (0.16 meter) Y b. 1.06 feet (0.32 meter) N c. 1.35 feet (0.41 meter) N d. 1.64 feet (0.50 meter) 2028: Your drafts are: FWD 6'-01", AFT 6'-10". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 11 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
N a. 6 tons Y b. 12 tons N c. 18 tons N d. 24 tons 2312: Which statement is TRUE concerning the short exposure tolerance for Benzene?
Y a. 3000 ppm is endurable for 30 - 60 minutes (single exposure) N b. 500 - 1000 ppm for 30 - 60 minutes will produce definite irritation to the trachea N c. 5.5 ppm for 1 minute is practically intolerable N d. No chronic effects noticed after 20,000 ppm exposure for 5 - 10 minutes 2327: How many B-II fire extinguishers must be in the machinery space of a 75-foot long fishing vessel propelled by engines with 600 brake horsepower?
N a. 5 N b. 4 N c. 3 Y d. 2 2329: 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-0059
N a. Available GM 3.2 ft Y b. Available GM 3.9 ft N c. Available GM 4.8 ft N d. Available GM 5.3 ft 2456: According to the Chemical Data Guide, epichlorohydrin is a(n) __________.
N a. corrosive Y b. class B poison N c. oxidizer N d. explosive 2541: When lifting loads from a boat in heavy weather, the load should be taken when the boat __________.
Y a. reaches the crest N b. begins to fall N c. begins to rise N d. reaches the trough 2662: A vessel with a large GM will __________.
N a. have a small amplitude of roll in heavy weather N b. tend to ship water on deck in heavy weather Y c. be subject to severe racking stresses N d. be less likely to have cargo shift 2677: 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-0075
N a. 4.0 feet Y b. 5.6 feet N c. 6.0 feet N d. 6.8 feet 2815: A vessel heading WNW is on a course of __________.
N a. 270.0° Y b. 292.5° N c. 315.0° N d. 337.5° 3011: A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have __________.
N a. a large TCG Y b. a negative GM N c. excessive ballast N d. insufficient deck load 3019: All vessels not limited to daylight service shall be fitted with a ring life buoy __________. (small passenger vessel regulations)
N a. on the stern of the vessel N b. with a twenty fathom line attached N c. with no line attached Y d. with a water light to be attached during nighttime operation 3122: All life jackets carried on board small passenger vessels are required to be marked __________. (small passenger vessel regulations)
Y a. with the vessel's name N b. with the vessel's official number N c. with the maximum weight to be held by the life preserver N d. with the maximum serviceable life of the life preserver 3276: While at your lifeboat station, you hear a signal consisting of one short blast of the whistle. This signal indicates __________.
N a. abandon ship Y b. commence lowering boats N c. stop lowering boats N d. secure from boat stations 3298: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 2, 6, & 10, while using a single belt loader, to arrive at a desired mean keel draft of 27'-07"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)
N a. 510 tons per hatch Y b. 530 tons per hatch N c. 590 tons per hatch N d. 610 tons per hatch 3310: Fixed carbon dioxide fire extinguishing systems shall be installed to protect enclosed machinery and fuel tank spaces of all vessels using gasoline or other fuel having a flash point of __________. (small passenger vessel regulations)
N a. 0°F or lower N b. 75°F or lower N c. 90°F or lower Y d. 110°F or lower 3942: You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?
N a. Wet clothes during the day to decrease perspiration. N b. Get plenty of rest. N c. Keep the entrance curtains open. Y d. All of the above 4094: The SS AMERICAN MARINER arrived in port with drafts of: FWD 19'-10.5", AFT 22'-11.6". 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-0154
N a. FWD 20'-01.4", AFT 23'-00.6" Y b. FWD 19'-07.6", AFT 22'-10.4" N c. FWD 19'-09.3", AFT 22'-08.7" N d. FWD 19'-11.7", AFT 23'-02.5" 4141: How much additional solid weight could be loaded at a VCG of 189.7 feet on the DEEP DRILLER while loaded as shown in the Sample Load Form #4 (Drilling)? Assume ballast added or discharged to maintain draft is done so at 15 feet above the baseline.
N a. 279.2 long tons Y b. 314.2 long tons N c. 404.2 long tons N d. 461.9 long tons 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 4205: While in 150 feet water depth when the single amplitude roll angle of the COASTAL DRILLER is 2 degrees, the safe platform roll period for going on location should be longer than __________.
Y a. 0.5 second N b. 5.0 seconds N c. 10.0 seconds N d. 13.5 seconds 4561: The sounding level of 17 lb. per gallon mud in mud pit 2S of the COASTAL DRILLER is 7.75 feet. What is the weight of the mud?
N a. 153.16 kips N b. 156.13 kips Y c. 194.77 kips N d. 198.54 kips 4583: The COASTAL DRILLER, elevated in 150 feet of water with 0 knots current, 10 foot waves, and wind speeds of 70 knots may continue drilling if the maximum leg reaction is less than __________.
N a. 5,940 kips N b. 6,020 kips Y c. 6,080 kips N d. 6,520 kips 4741: The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips. What is the weight of the missing load?
N a. 46 kips N b. 84 kips N c. 189 kips Y d. 217 kips 5061: During a move to a new location, a jack-up drilling unit with personnel on board is towed through a heavy rainstorm. What signal must be sounded by the drilling rig when visibility is restricted?
N a. One prolonged blast N b. Two prolonged blasts N c. One prolonged and two short blasts Y d. One prolonged and three short blasts 5203: Among the possible causes of unexpected rapid increasing inclination of the floating COASTAL DRILLER is __________.
N a. consumption of on board liquids N b. miscalculation of loads N c. external environmental forces Y d. flooding due to hull damage 5365: The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ft-kips and TM 2,158 ft-kips. What is the port leg reaction?
N a. 7,026 kips N b. 7,099 kips Y c. 7,144 kips N d. 7,180 kips 5462: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 13'-10", AFT 16'-04". 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-0179
N a. 1.30 feet N b. 1.17 foot Y c. 1.01 foot N d. 0.91 foot 5713: What pressure must a spring buoy, moored at a 500 foot depth, withstand?
N a. 100 psig N b. 150 psig Y c. 225 psig N d. 300 psig 5805: A permanent chain chasing system is used to __________.
N a. clean anchor chain as it's hauled in N b. recover anchors which have lost their buoys Y c. run and retrieve anchors N d. prepare anchor chain for inspection 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. 7387: Prior to boarding from a MODU, a davit-launched liferaft should be well ventilated of excess __________.
N a. hydrocarbon gas N b. carbon monoxide gas Y c. carbon dioxide gas N d. freon gas 7641: In small-angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the __________.
N a. center of gravity N b. center of flotation Y c. metacenter N d. metacentric height 8183: When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________.
N a. at the maximum load line draft N b. one foot less than maximum load line draft N c. one foot deeper than maximum load line draft Y d. one foot deeper than calculated afloat draft 8201: While on an ocean tow, the COASTAL DRILLER is threatened with the approach of a severe storm. Including the time required to place the generators on-line, the approximate time required to lower the legs from a TOC (tip-of-can) position of 12.38 feet to 60.5 feet is __________.
N a. 8 minutes N b. 32 minutes N c. 40 minutes Y d. 47 minutes 8477: You are on a semisubmersible being towed and are concerned that a fishing vessel is not taking sufficient action to avoid you. To signal your concern, you should __________.
N a. fire a red flare at 15 second intervals N b. fire a green flare at 15 second intervals Y c. sound five or more short blasts on the whistle N d. broadcast a Mayday message on the radiotelephone 9021: Aboard a vessel, dividing the sum of the longitudinal moments by the total weight yields the vessel's __________.
N a. inclining moments N b. righting moments N c. vertical moments Y d. longitudinal position of the center of gravity 9129: Automatic fire dampers in ventilation systems are operated by use of a __________.
N a. heat or smoke detector Y b. fusible link N c. remote operated valve N d. C02 system pressure switch 9411: When anchoring in an area with a soft bottom, the fluke angle of an anchor should be set at __________.
N a. 20° N b. 30° N c. 40° Y d. 50° 9632: In a fixed carbon dioxide extinguishing system for a machinery space, designed WITH a stop valve in the line leading to the protected space, the flow of CO2 is established by actuating __________.
N a. one control Y b. two controls N c. three controls N d. none of the above 9682: What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?
N a. 15 minutes Y b. 30 minutes N c. 45 minutes N d. 60 minutes