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.
65: The most serious effect of trapped air in a diesel engine jacket water cooling system is that it __________.
Y a. accelerates erosion N b. reduces the effectiveness of chromate additives N c. can form pockets of high chemical concentrates N d. accelerates formation of sludge deposits 103: You have just abandoned ship and boarded a raft. After the raft is completely inflated you hear a whistling noise coming from a safety valve. You should __________.
Y a. not become alarmed unless it continues for a long period of time N b. plug the safety valve N c. unscrew the deflation plugs N d. remove the safety valve and replace it with a soft patch 138: A person reports to you with a fishhook in his thumb. To remove it you should __________.
N a. pull it out with pliers N b. cut the skin from around the hook Y c. push the barb through, cut it off, then remove the hook N d. have a surgeon remove it 175: According to 46 CFR Subchapter T, a stability test may be dispensed with if the __________.
Y a. Coast Guard has the approved stability test results of a sister vessel N b. projected cost is unreasonable N c. Coast Guard does not have a qualified inspector available N d. vessel is of a proven design 231: The Coast Guard inspection required before a Certificate of Inspection can be issued is conducted________________.
N a. when deemed necessary by the Regional Inspection Center Y b. after you apply in writing to the nearest Officer in Charge of Marine Inspection (OCMI) N c. at random from a Coast Guard patrol boat N d. after a formal complaint is filed with the OCMI 285: The use of sinking and dispersing chemical agents for removal of surface oil is __________.
N a. the most common method used in the United States N b. too expensive for common use N c. generally safe to sea life Y d. authorized only with prior approval of the Federal On-Scene Coordinator 391: Foam is a very effective smothering agent and __________.
Y a. it provides cooling as a secondary effect N b. works well on extinguishing electrical fires N c. can be used to combat combustible metal fires N d. All of the above 466: Deficient oxygen content inside a chain locker can be detected with __________.
N a. litmus paper N b. a combustible gas indicator N c. an oxygen breathing apparatus Y d. an oxygen indicator 475: The minimum bursting pressure for each cargo hose assembly must be at least __________.
N a. the sum of the relief valve setting and the static head N b. twice the sum of the relief valve setting and the static head N c. three times the sum of the relief valve setting and the static head Y d. four times the sum of the relief valve setting and the static head 600: The amount of freeboard which a ship possesses has a tremendous effect on its __________.
N a. initial stability N b. free surface Y c. stability at large angles of inclination N d. permeability 768: Which statement is TRUE concerning carbon dioxide?
N a. It is heavier than air. N b. It is non-conductive. N c. It is used on class B and C fires. Y d. All of the above are true. 781: How is the external flotation bladder of an immersion suit inflated?
N a. It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track. N b. It is inflated by a small CO2 bottle that is manually tripped. Y c. It is inflated by blowing through an inflation tube. N d. It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein. 802: A portable dry chemical fire extinguisher discharges by __________.
N a. gravity when the extinguisher is turned upside down Y b. pressure from a small CO2 cartridge on the extinguisher N c. air pressure from the hand pump attached to the extinguisher N d. pressure from the reaction when water is mixed with the chemical 911: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0018
N a. 3.75 feet N b. 3.02 feet Y c. 2.22 feet N d. 0.83 foot 970: During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list, you should __________.
N a. shift weight to the high side N b. shift weight to the centerline Y c. add weight in the lower holds or double bottoms N d. remove weight from the lower holds or double bottoms 1110: Limit switches on gravity davits should be tested by __________.
N a. the engineers, from a panel in the engine room N b. shutting off the current to the winch Y c. pushing the switch lever arm while the winch is running N d. All of the above 1509: You are using an oxygen indicator. How long should you wait after the sample is drawn into the instrument before reading the meter?
N a. No wait is necessary, the reading occurs immediately. N b. At least 5 seconds Y c. At least 10 seconds N d. At least 20 seconds 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" 1534: Which statement is TRUE?
Y a. You must keep a record of garbage discharged in port to a shore facility. N b. You need not keep a record of dumping ground garbage in to the sea more than 25 miles offshore. N c. You must keep a record of the approximate weight of the garbage dumped. N d. You need not keep a record of garbage incinerated on the ship. 1586: The success of an indirect attack on a fire depends on the __________.
N a. size of the fire when initially observed Y b. complete containment of the fire N c. cooling ability of the firefighting agent N d. class of the fire 1780: How often must a compulsory vessel's GMDSS radio station be inspected?
N a. Annually, by the U.S. Coast Guard Y b. Annually, by the FCC or designated authority N c. Annually, by the FCC, and every six months if the vessel sails outside of the Sea Areas A1 and A2 N d. The FCC's annual inspection may be waived if, and only if, monthly inspections are performed by the vessel's onboard GMDSS Radio Maintainer. 1810: Halon extinguishes a fire by __________.
Y a. breaking the chain reaction N b. smothering the fire N c. cooling the fire N d. coating the fuel with a nonflammable surface 1893: Which equipment is the primary source of generating a locating signal?
N a. DSC only N b. DSC and EPIRB N c. SART and DSC Y d. EPIRB and SART 1995: Who is responsible for insuring that each survival craft on a mobile offshore drilling unit is cleaned and inspected once a year?
N a. The certificated lifeboatman assigned to that craft N b. The certificated able seaman assigned to that craft N c. The Coast Guard inspecting officer Y d. The designated person in charge of the rig 2000: What product is considered a noxious liquid substance for regulatory purposes?
N a. Phosphoric acid Y b. Nonane N c. Methyl ethyl ketone N d. Sulfur (molten) 2033: How is "radio silence" imposed?
Y a. By the Rescue Coordination Center (RCC) controlling the distress communications on that frequency or channel N b. By the Coast Earth Station (CES) controlling the distress communications on that frequency or channel N c. By the Public Correspondence Station (PCS), controlling the distress communications on that frequency or channel N d. By the High Seas Service (HSS) controlling the distress communications on that frequency or channel. 2580: If your JP-5 barge has operated in saltwater for less than 1 month in the 12 month period since it was last dry-docked, when is it required to be hauled out again?
Y a. 60 months since last dry-docking N b. 36 months since last dry-docking N c. 24 months since last dry-docking N d. 12 months since last dry-docking 2613: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
N a. Smoke N b. Electricity Y c. Chain reaction N d. Pressure 2625: If help has not arrived in 10-12 hours after you abandon ship in a lifeboat, you should __________.
N a. go in one direction until the fuel runs out N b. plot course for the nearest land N c. take a vote on which direction you should go Y d. shut down the engines and set the sea anchor 2955: For a floating MODU, the center of buoyancy and the metacenter are in the line of action of the buoyant force __________.
N a. only when there is positive stability N b. only when there is negative stability N c. only when there is neutral stability Y d. at all times 2969: All inlet and discharge fittings below the waterline shall have __________. (small passenger vessel regulations)
N a. cast-iron shut-off valves N b. a wooden plug with a 36 inch lanyard Y c. an efficient and accessible means of closing N d. a blank-off flange of similar material 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 3108: A CO2 extinguisher which has lost 10% of its charge must be __________.
N a. used at the earliest opportunity N b. hydro tested Y c. recharged N d. weighed again in one month 3478: Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using __________.
Y a. sealing clamps N b. repair tape N c. a tube patch N d. sail twine and vulcanizing kit 3533: If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot?
N a. 250.0 pounds per square foot N b. 312.5 pounds per square foot Y c. 350.0 pounds per square foot N d. 400.0 pounds per square foot 3724: Physical exertion on the part of a person who has fallen into cold water would __________.
N a. be the best thing to try if there was no rescue in sight N b. increase survival time in the water Y c. increase the rate of heat loss from the body N d. not affect the heat loss from the body 3776: If you continue to wear extra clothing when entering the water after abandoning your vessel, it will __________.
N a. weigh you down Y b. preserve body heat N c. reduce your body heat N d. make it more difficult to breathe 3851: On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10P to Tank 1S using the #2 ballast pump is valve __________.
N a. 33 Starboard Y b. 36 Starboard N c. 33 Port N d. 36 Port 4023: Which devices may be used as part of an internal communication system on a towing vessel?
N a. Sound-powered telephones N b. Portable radios N c. Either fixed or portable equipment Y d. All of the above 4171: 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 metacentric height corrected for longitudinal free surface effects?
N a. 10.07 feet N b. 8.80 feet Y c. 7.59 feet N d. 5.45 feet 4177: The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the sounding level changed to 6 feet and the mud weight decreased from 16 to 14 pounds/gallon?
Y a. 70.00 long tons N b. 84.17 long tons N c. 93.34 long tons N d. 106.67 long tons 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 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 4751: Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #20. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in longitudinal moments with this transfer?
Y a. 565 ft-kips N b. 900 ft-kips N c. 2603 ft-kips N d. 3168 ft-kips 5121: What danger is presented if a waterspout passes over a MODU?
N a. Heavy rains could cause downflooding. N b. Visibility could be restricted by low clouds. N c. Large waves could cause structural damage. Y d. Personnel may be injured by loose deck gear blown by the wind. 5434: You are hoisting a heavy lift with the jumbo boom. Your vessel displaces 5230 T. The 35-ton weight is on the pier and its center is 60' to starboard of the centerline. The head of the boom is 105' above the base line and the center of gravity of the lift when stowed on deck will be 42' above the base line. As the jumbo boom takes the strain the ship lists to 5°. What is the GM with the cargo stowed?
N a. 4.11 N b. 4.54 Y c. 4.98 N d. 5.13 5471: What is an advantage of the 6x37 class of wire rope over the 6x19 class of wire rope of the same diameter?
Y a. Flexibility N b. Resistance to corrosion N c. Resistance to elongation N d. Lower weight per foot 5527: With adaptor blocks/chocks in place on an LWT stock anchor, the trip angle will be __________.
N a. 20° Y b. 30° N c. 40° N d. 50° 5902: The most likely location for a liquid fire to occur on a tanker would be __________.
N a. the midships house N b. at the vent header Y c. in the pumproom N d. at the main deck 6187: A fire in a ballast pumproom can be brought under control with minimal impact on stability by __________.
N a. cooling the outside bulkheads with water Y b. shutting all sources of air into the compartment N c. closing the sea chest N d. flooding the compartment with salt water 7021: The symptoms of heat exhaustion are __________.
N a. slow and strong pulse N b. flushed and dry skin N c. slow and deep breathing Y d. pale and clammy skin 7311: What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?
N a. 1492 kHz N b. 1892 kHz N c. 2082 kHz Y d. 2182 kHz 8663: While the DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling), casing is accidentally dropped over the starboard side. If the starboard forward inclination is slowly increasing, which tank is probably damaged?
Y a. 1S N b. 2S N c. 3S N d. 1P 8715: Starboard ballast pump #1 on the DEEP DRILLER has failed. To deballast from tank C2SA using starboard ballast pump #2, it is necessary to open the manual valve and which motor driven valves?
Y a. 15, 34, 35, 36, 46, 48 N b. 16, 27, 32, 35, 36, 48 N c. 15, 33, 43, 48 N d. 14, 34, 35, 36, 46, 48 8833: A jack-up level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of -30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is __________.
N a. 667 foot-kips Y b. 833 foot-kips N c. 1,400 foot-kips N d. 1,667 foot-kips 8913: In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for __________.
N a. equipment storage N b. machinery N c. elevators Y d. reserve buoyancy 9387: When should you use distress flares and rockets?
Y a. Only when there is a chance of their being seen by rescue vessels N b. At half-hour intervals N c. At one-hour intervals N d. Immediately upon abandoning the vessel 9513: In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the __________.
N a. center of gravity Y b. metacenter N c. center of flotation N d. keel 9624: You detect an odor of burning cotton fabric and then see smoke coming from the top of an open laundry room doorway. After activating the fire alarm, you might do any of the following next, EXCEPT __________.
N a. begin breaking out the nearest fire hose N b. secure ventilation to the room N c. close the door to the room Y d. acquire the nearest self contained breathing apparatus 9673: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
N a. rotate personnel, due to heat stress N b. stand erect, to avoid the heat of the deck N c. cool the deck directly above the space on fire Y d. All of the above