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.
82: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.
N a. to bank off a bulkhead onto the fire Y b. at the seat of the fire, starting at the near edge N c. over the top of the fire N d. at the main body of the fire 143: 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 281: The gross weight of a fully charged CO2 bottle in a fixed CO2 system is 220 lbs. When the bottle is empty it weighs 120 lbs. What is the minimum acceptable gross weight of the CO2 bottle before it should be recharged by the manufacturer?
N a. 200 lbs N b. 205 lbs Y c. 210 lbs N d. 220 lbs 286: On cargo vessels, the discharge of the required quantity of carbon dioxide into any "tight" space shall be completed within __________.
N a. 1 minute Y b. 2 minutes N c. 4 minutes N d. 6 minutes 289: You are at the helm of a sailing vessel under sail on the starboard tack, close hauled, and you are instructed to "head up". You should __________.
N a. turn the wheel to port if you are steering with a wheel N b. push the tiller to starboard if you are steering with a tiller Y c. turn the rudder to starboard N d. All of the above are correct 560: On small passenger vessels each inlet or discharge pipe penetrating the hull less than six inches above the deepest load waterline __________.
N a. must have a check valve to prevent water from entering Y b. except for engine exhausts must have a means to prevent water from entering the vessel if the pipe fails N c. must be fitted with a gate valve N d. must be sealed 584: The SS AMERICAN MARINER arrived in port with drafts of: FWD28'-08", AFT 29'-05". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0013
N a. FWD 28'-09", AFT 29'-00" N b. FWD 28'-07", AFT 29'-01" N c. FWD 28'-05", AFT 29'-08" Y d. FWD 28'-04", AFT 29'-05" 692: Why should foam be banked off a bulkhead when extinguishing an oil fire?
N a. To coat the surrounding bulkheads with foam in case the fire spreads N b. To cool the bulkhead closest to the fire N c. To prevent any oil on the bulkheads from igniting Y d. To prevent agitation of the oil and spreading the fire 726: On an oceangoing vessel, for each person a lifeboat (without desalting kits) is certified to carry, the boat must be supplied with __________.
N a. 2 pounds of condensed milk N b. a signaling whistle Y c. 3 liters of water N d. a life preserver 799: Lines or gear NOT in use should be __________.
N a. conspicuously marked N b. stowed anywhere N c. left on deck Y d. secured or stowed out of the way 831: The spread of fire is prevented by __________.
N a. heating surfaces adjacent to the fire N b. leaving combustibles in the endangered area Y c. shutting off the oxygen supply N d. All of the above 852: Which statement concerning the application of dry chemical powder is FALSE?
Y a. At temperatures of less than 32°F, the extinguisher must be recharged more often. N b. When possible, the fire should be attacked from windward. N c. The stream should be directed at the base of the fire. N d. Directing the stream into burning flammable liquid may cause splashing. 862: Dry chemical extinguishers extinguish class B fires to the greatest extent by __________.
N a. cooling N b. smothering N c. oxygen dilution Y d. breaking the chain reaction 912: A "fifteen-pound" CO2 extinguisher is so called because __________.
Y a. there are fifteen pounds of CO2 in the container N b. the container, when full, weighs fifteen pounds N c. the pressure at the discharge nozzle is l5 psi N d. the empty container weighs fifteen pounds 938: A magnesium fire is classified as class __________.
N a. A N b. B N c. C Y d. D 977: Which type of fire is the foam (stored-pressure type) fire extinguisher effective on?
Y a. Classes A & B N b. Classes A & C N c. Classes B & C N d. All of the above 1261: On small passenger vessels, when must watchmen patrol throughout the vessel to guard against and give alarm in case of fire or other danger?
N a. At all times outside normal work hours N b. At all times when the vessel is underway Y c. During the nighttime when the vessel carries overnight passengers N d. When the rest of the crew is asleep 1396: If you find an inflatable liferaft container with steel bands around the case, you should __________.
N a. tell the Master Y b. leave the bands in place N c. tell the Mate N d. remove the bands yourself 1398: The size of fire hydrant hose connections on a cargo vessel must be either 1-1/2 inches or __________.
N a. 1 inch Y b. 2-1/2 inches N c. 3 inches N d. 3-1/2 inches 1429: When collecting condensation for drinking water, __________.
Y a. a sponge used to mop up and store condensation must be kept salt free N b. only condensation on the bottom of the canopy should be collected N c. it should be strained through a finely woven cloth N d. chlorine tablets should be used to make it drinkable 1467: Your vessel has a forward draft of 26'-11" and an after draft of 29'-07". How many tons of cargo can be loaded before the vessel reaches a mean draft of 28'-06" if the TPI is 69?
N a. 204 tons Y b. 207 tons N c. 210 tons N d. 213 tons 1525: You are reading the draft marks. The top 2 inches of number "9" are visible above the waterline. What is the draft? (D032DG )
N a. 8'-10" N b. 9'-02" Y c. 9'-04" N d. 9'-08" 1993: The person in charge of a mobile offshore drilling unit must insure that __________.
N a. the Muster List ("Station Bill") is approved by the Coast Guard Y b. the date of each fire extinguisher test is recorded N c. all personnel are trained to launch the survival craft N d. a fire drill is held at least once each day 2057: You cannot operate a VHF or SSB radiotelephone aboard a rig unless that station is licensed by the __________.
Y a. Federal Communications Commission N b. U.S. Coast Guard N c. Minerals Management Service N d. Department of Energy 2095: Sails may be wing and wing when __________.
N a. close hauled N b. tacking N c. wearing Y d. sailing with the wind aft 2142: What is meant by the term "overhaul" in firefighting?
N a. Slow down the spread of fire by cooling adjacent structures N b. Cover the fire with foam N c. Smother the fire with a blanket or similar object Y d. Break up solid objects to ensure that any deep seated fires are extinguished 2447: The connected joints of pipe, usually made of three joints of pipe approximately 90 feet long, racked in the derrick when making a trip are called a __________.
N a. string Y b. stand N c. joint N d. standpipe 2633: A load line for a MODU is assigned by the __________.
N a. Minerals Management Service N b. Department of Energy N c. Corps of Engineers Y d. A recognized classification society approved by the Coast Guard 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 2775: The SS AMERICAN MARINER arrived in port with drafts of: FWD 28'-08", AFT 29'-05'. Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0081
N a. FWD 28'-11", AFT 28'-11" N b. FWD 29'-01", AFT 28'-09" N c. FWD 29'-03", AFT 28'-07" Y d. FWD 29'-05", AFT 28'-05" 2823: A vessel heading ESE is on a course of __________.
Y a. 112.5° N b. 135.0° N c. 157.5° N d. 180.0° 2897: If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the __________.
N a. metacentric height N b. righting arm N c. righting moment Y d. vertical moments 2926: The sailing drafts are: FWD 16'-06", AFT 17'-04" and the GM is 2.6 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 15° inclination.
N a. 0.4 foot Y b. 0.8 foot N c. 1.2 feet N d. 1.9 feet 2975: A quick and rapid motion of a MODU in a seaway is an indication of a(n) __________.
Y a. large GM N b. high center of gravity N c. excessive free surface N d. small GZ 3009: Which type of ventilation is required for enclosed spaces containing gasoline, machinery, or fuel tanks? (small passenger vessel regulations)
Y a. Natural supply and mechanical exhaust N b. Mechanical supply and natural exhaust N c. Mechanical supply and mechanical exhaust N d. Natural supply and natural exhaust 3050: A vessel's drafts are: FWD 14'-04", AFT 15'-08". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 7280 tons Y b. 7879 tons N c. 8004 tons N d. 8104 tons 3312: By regulation, life preservers aboard an uninspected towing vessel must be __________. (Uninspected Vessel Regulations)
Y a. readily accessible N b. securely stowed N c. stored in sealed containers N d. stowed with the emergency provisions 3395: A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the mean draft?
N a. 8.0 feet N b. 9.0 feet Y c. 9.5 feet N d. 12.0 feet 3527: Among the equipment included in the DEEP DRILLER lightweight are the loading hoses, derrick, traveling block in the lowest position, anchors, all machinery with liquids to normal operating level, and __________.
N a. normal food supplies for 79 persons Y b. mooring chain N c. lower hull fuel N d. eight anchor buoys 3571: The DEEP DRILLER is anchoring in 600 feet of water. In the absence of environmental forces, the mooring lines should be adjusted to __________.
N a. 245 kips Y b. 222 kips N c. 237 kips N d. 194 kips 3594: After having activated the emergency position indicating radio beacon, you should __________.
N a. turn it off for 5 minutes every half-hour N b. turn it off and on at 5 minute intervals N c. turn it off during daylight hours Y d. leave it on continuously 3922: You have abandoned ship and are in an inflatable raft that has just inflated. You hear a continuous hissing coming from a fitting in a buoyancy tube. What is the cause of this?
N a. The saltwater is activating the batteries of the marker lights on the canopy. N b. The inflation pump is in automatic operation to keep the tubes fully inflated. N c. A deflation plug is partially open allowing the escape of CO2. Y d. Excess inflation pressure is bleeding off and should soon stop. 3945: Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and __________.
Y a. center column chain lockers N b. backup drill water tank N c. primary salt-water service tank N d. forward and after column chain lockers 4021: A towing vessel's fire detection system may be certified to comply with the Coast Guard's towing vessel fire protection regulations by _________ .
N a. a Coast Guard inspector Y b. a registered professional engineer N c. the owner or Master of the vessel N d. a licensed electrician 4095: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballast to Survival). What is the new longitudinal location of the center of buoyancy if all the bulk materials are discharged?
N a. 2.34 feet N b. 2.48 feet N c. 2.50 feet Y d. 2.53 feet 4155: The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity?
N a. 50.72 feet N b. 51.25 feet Y c. 51.87 feet N d. 53.22 feet 4363: Scouring is the result of __________.
Y a. interruption of the normal current flow by the footing N b. elevating in mud-slide zones N c. penetrating rapidly through a hard crust into weaker soils N d. extracting legs from soils with high cohesion 4607: On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by hydrostatic alarm switches connected to a remote panel located in the __________.
N a. OIM's quarters Y b. OIM's office N c. control house N d. SCR room 4707: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 50 kips of tubulars are discharged from the cantilever starboard pipe racks. What is the change in the vessel's LCG?
Y a. 0.23 foot forward N b. 0.40 foot forward N c. 0.64 foot forward N d. 1.02 feet forward 4716: What is the purpose of tricing pendants?
N a. They have the same function as frapping lines. N b. They are safety lines for personnel inside the lifeboat. N c. They slow the descent of the lifeboat. Y d. They hold the lifeboat alongside the embarkation deck. 4734: Seawater may be used for drinking __________.
N a. if gathered during or immediately after a hard rain N b. at a maximum rate of two ounces per day Y c. under no conditions N d. after mixing with an equal quantity of fresh water 4746: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 12'-07", AFT 16'-01". 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-0167
N a. 1.30 feet Y b. 1.07 foot N c. 0.96 foot N d. 0.82 foot 5223: When floating, the appropriate leg horizontal must be aligned in the center of the __________.
N a. center of each lower hull guide Y b. center of each upper guide structure N c. top of the jack house N d. bottom of the hull 5302: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-05", AFT 19'-07". 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-0175
N a. 0.62 foot N b. 0.80 foot N c. 0.85 foot Y d. 0.99 foot 5427: The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new LCG?
N a. 115.79 feet AFO Y b. 119.18 feet AFO N c. 119.44 feet AFO N d. 126.68 feet AFO 5731: Given the same water depth and line tension, the catenary length of a 19 pound/foot wire rope mooring line in comparison to the catenary length of a 90 pound/foot mooring chain will be __________.
N a. shorter Y b. longer N c. identical N d. indeterminable 6633: For a MODU not on an international voyage, an approved substitute for an impulse projected rocket-type line throwing appliance is a __________.
N a. spring loaded line thrower N b. hand thrown buoyant line Y c. shoulder-type line throwing gun N d. heaving line 8485: The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.43 feet. What is the trim angle?
Y a. 2° by the head N b. 2° by the stern N c. 4° by the head N d. 4° by the stern 9323: A fuel-air mixture below the lower explosive limit is too __________.
N a. rich to burn Y b. lean to burn N c. cool to burn N d. dense to burn 9445: The difference between the height of the metacenter and the height of the center of gravity is known as the __________.
Y a. metacentric height N b. height of the righting arm N c. fore and aft perpendicular N d. height of the center of buoyancy