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.
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 73: A liferaft which has inflated bottom-up on the water __________.
Y a. should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards N b. should be righted by standing on the life line, holding the righting straps, and leaning backwards N c. will right itself when the canopy tubes inflate N d. must be cleared of the buoyant equipment before it will right itself 199: 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-0004
N a. 3.6 feet Y b. 4.2 feet N c. 4.4 feet N d. 4.9 feet 244: A vessel is flying the signal "BJ-1" from her starboard halyard. The signal means "_____."
N a. an aircraft is ditched in position indicated N b. the aircraft is still afloat N c. there is no danger of explosion Y d. an aircraft is circling over an accident 254: If you wanted to ask a nearby vessel if he had a doctor on board, you would hoist the flag signal __________.
Y a. AM N b. AL N c. AN 1 N d. MA 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 609: Which small passenger vessel(s) is/are NOT required to carry a Category 1 406 MHz EPIRB?
N a. A coastwise vessel whose route does not take it more than three miles from shore N b. A vessel operating on lakes, bays, sounds, and rivers N c. A vessel operating within three miles from the coastline of the Great Lakes Y d. All of the above 632: Portable foam type fire extinguishers are most effective on __________.
N a. mattress fires Y b. oil fires N c. wood fires N d. All of the above 776: When dry chemical extinguishers are used to put out class B fires, there is a danger of reflash because dry chemical_________.
N a. is not an effective agent on Class B fires Y b. does little or no cooling N c. dissipates quickly N d. is rapidly absorbed by the liquid 853: When whistle signals are used for launching lifeboats, one short blast means __________.
N a. "use the float-free method only" Y b. "lower all boats" N c. "raise all boats" N d. "drill is over, secure all boats" 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 968: Which condition is necessary for a substance to burn?
N a. The temperature of the substance must be equal to or above its fire point. N b. The air must contain oxygen in sufficient quantity. N c. The mixture of vapors with air must be within the "explosive range." Y d. All of the above 976: Inflatable liferafts carried on passenger vessels must be annually __________.
N a. overhauled by the ship's crew N b. sent to the Coast Guard for servicing N c. sent to the steamship company shore repair facility Y d. sent to a Coast Guard approved service facility 990: If your vessel will list with equal readiness to either side, the list is most likely caused by __________.
Y a. negative GM N b. off-center weight N c. pocketing of free surface N d. excessive freeboard 1233: The owner, agent, Master or person-in-charge of a small passenger vessel involved in a marine casualty is NOT required to notify the Coast Guard in cases where there is __________.
N a. property damage less than $25,000 N b. no injury which requires more than first aid treatment N c. death or injury to a shipyard worker or harbor worker not resulting from the vessel casualty Y d. All of the above 1369: A cargo of 50 tons is to be loaded on deck 20 feet from the ship's centerline. The vessel's displacement including the 50 ton cargo will be 3,000 tons and the GM three feet. The list of the vessel after loading this cargo will be __________.
N a. 5.35° N b. 5.80° N c. 6.10° Y d. 6.35° 1654: You are operating a ship greater than 400 gross tons. You are NOT permitted to carry oil or hazardous materials in a(n) __________.
Y a. forepeak tank N b. after peak tank N c. deep tank N d. on-deck portable tank 1684: You are sailing before the wind in heavy weather. The failure of what will affect the vessel's safety most?
N a. The main halyard N b. The jib sheet Y c. The helm N d. The outhaul 1767: The explosive range of Diesel Oil mixed with air is __________.
N a. 0% to 1% by volume N b. 0.8% to 5.3% by volume Y c. 1.3% to 6.0% by volume N d. 6.3% to 12.1% by volume 1809: For GMDSS, which statement concerning compulsory vessels is TRUE?
N a. Vessels over 500 gross tons must carry at least three licensed GMDSS Radio Operators. N b. Passenger vessels between 300-500 gross tons need to carry only one licensed GMDSS Radio Operator, but passenger vessels larger than 500 must carry two licensed Operators. Y c. Vessels larger than 500 gross tons must carry certain additional GMDSS equipment than what a vessel between 300-500 gross tons must carry. N d. Vessels between 300-500 gross tons need to carry no more than one EPIRB, SART and survival craft transceiver, but vessels larger than 500 gross tons must carry two of each unit. 1842: How many VHF Survival Craft Transceivers are required aboard passenger ships?
N a. 2 Y b. 3 N c. 4 N d. 5 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 2036: Which system provides maximum communications range?
N a. MF SITOR Y b. INMARSAT N c. Digital Selective Calling on 8414.5KHz N d. VHF ARQ 2155: When sailing with the wind aft, a vessel may carry sails on both sides at the same time. The sails are __________.
Y a. wing and wing N b. luffed N c. reefed N d. cringled 2461: A special device that, when fitted into the rotary table, transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make the hole is called a __________.
N a. master bushing N b. kelly slips Y c. kelly bushing N d. rotary bushing 2535: The connection facilities for the international shore connection must be located to provide access __________.
Y a. to each side of the vessel N b. as close as possible to the house N c. on the main deck N d. on each level of the accommodation space 2546: Your vessel's drafts are: FWD 24'-07", AFT 25'-09"; and the KG is 24.0 feet. What is the righting moment when the vessel is inclined to 15°? (Use the selected stability curves in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 5,202 foot-tons Y b. 8,666 foot-tons N c. 10,876 foot-tons N d. 11,424 foot-tons 2595: How can vessel personnel detect the operation of a SART in its vicinity?
Y a. A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing N b. A unique two tone "warbling" signal heard on VHF-FM Ch-70 N c. A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver N d. The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART 2635: In MODU construction, beams are transverse girders which provide support to __________.
N a. bulkheads N b. deckhouse structures Y c. decks N d. vertical frames 2744: Radar reflectors are required for __________.
N a. all fishing vessels over 39 feet in length N b. sail-propelled fishing vessels N c. all fishing vessels of less than 200 GT Y d. wooden hull fishing vessels with a poor radar echo 2826: To prevent the spread of fire by convection you should __________.
N a. cool the bulkhead around the fire N b. remove combustibles from direct exposure Y c. close all openings to the area N d. shut off all electrical power 3066: Prior to getting underway for the day's operations, every small passenger vessel shall have it's steering gear tested by __________.
N a. the Mate on watch Y b. the Master N c. a Mate or Designated Duty Engineer N d. a licensed Engineer 3104: An emergency check-off list is required on vessels carrying six or fewer passengers for hire. The list must contain information on all of the following EXCEPT __________. (Uninspected Vessel Regulations)
N a. precautions for rough weather Y b. actions required in the event of accident N c. procedures for man overboard emergencies N d. emergency procedures for fire at sea 3135: While the DEEP DRILLER is operating loaded as shown in Sample Load Form #4 (Drilling), casing is accidentally dropped over the port side. If the port forward inclination is slowly increasing, which tank is probably damaged?
Y a. 1P N b. 2P N c. 1S N d. 3P 3167: Topside icing that blocks freeing ports and scuppers __________.
N a. is usually below the center of gravity and has little effect on stability N b. will cause water on deck to pocket and increase stability Y c. may decrease stability by increasing free surface effect due to water on deck N d. increases the effective freeboard and increases the wind-heel affect 3461: The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the transverse free surface correction is __________.
N a. 1.25 feet N b. 0.82 foot N c. 0.34 foot Y d. 0.18 foot 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 3590: The patrolman, while on duty on a passenger vessel, must have in his possession a(n) __________.
N a. nightstick Y b. flashlight N c. passenger list showing assigned berths N d. A-I fire extinguisher 3723: A patient suffering from heat exhaustion should be __________.
Y a. moved to a cool room and told to lie down N b. kept standing and encouraged to walk slowly and continuously N c. given a glass of water and told to return to work after 15 minutes of rest N d. None of the above is correct. 3800: If you have to jump in the water when abandoning ship, your legs should be __________.
N a. spread apart as far as possible N b. held as tightly against your chest as possible N c. in a kneeling position Y d. extended straight down and crossed at the ankles 3932: You have hand launched an inflatable liferaft. What should be one of your FIRST actions after all persons have boarded the liferaft?
N a. Open the equipment pack. N b. Inflate the liferaft floor. N c. Decide on food and water rations. Y d. Cut the sea painter and clear the vessel. 3975: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new uncorrected KG?
N a. 52.09 feet Y b. 52.20 feet N c. 53.23 feet N d. 55.36 feet 4067: The DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling). Assume ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?
N a. 373 long tons N b. 457 long tons N c. 484 long tons Y d. 524 long tons 4283: When underway at a draft of 10.5 feet in a severe storm, the COASTAL DRILLER has a maximum allowed KG of __________.
Y a. 40 feet N b. 50 feet N c. 55 feet N d. 65 feet 4303: During a long ocean tow of a jack-up the clearance in the upper guide should be reduced to zero to restrain the leg and eliminate the impact loads from dynamic responses. This is best done by __________.
N a. lowering the spud cans below the hull N b. raising the spud cans into hull recesses Y c. tapering the upper guides and building up the teeth N d. remove certain lengths of leg 4753: 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 #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse moments with this transfer?
N a. 56 ft-kips N b. 979 ft-kips N c. 1035 ft-kips Y d. 2010 ft-kips 5313: The COASTAL DRILLER, in ocean transit at a draft of 10 feet 0 inches with winds greater than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is __________.
Y a. 2.6 feet N b. 4.1 feet N c. 26.3 feet N d. 26.8 feet 5373: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the port leg reaction?
N a. 7,099 kips N b. 7,134 kips N c. 7,151 kips Y d. 7,203 kips 5451: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and aft. Strong wind and high waves are on the port bow. Among the possible causes, you should consider __________.
N a. failure of mooring lines 5 or 6 Y b. failure of mooring lines 1 or 2 N c. leak in ballast tank 9P N d. ballast tanks equalizing into tank 10S 5523: Before being certified by the American Bureau of Shipping, anchor chain must undergo __________.
N a. USCG inspection Y b. a breaking test N c. x-ray inspection N d. spectroanalysis 5577: What is the advantage of a single streamlined fluke anchor over a double fluked anchor of similar weight?
N a. It has multiple fluke angle settings. Y b. It has increased holding power. N c. It holds well with either side down. N d. It is easier to handle on an anchor boat. 5653: On a semisubmersible drilling unit, decreasing riser tension increases __________.
N a. free surface moments N b. KM Y c. GM N d. KG 6275: During a storm, the mooring line on a MODU should be long enough so that the angle between the anchor shank and the ocean floor is __________.
Y a. 0° N b. 30° N c. 60° N d. 90° 6619: The SS AMERICAN MARINER has on board 6450 tons of cargo with an LCG-FP of 270.89 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-0194
N a. LCG-FP 267.12 feet N b. LCG-FP 268.48 feet Y c. LCG-FP 270.97 feet N d. LCG-FP 273.06 feet 6703: The person-in-charge of a mobile offshore drilling unit must be designated by the __________.
N a. Coast Guard N b. Minerals Management Service N c. operator or his agent Y d. owner or his agent 6863: When are fore and aft draft readings required to be entered in the unofficial logbook of a MODU?
N a. Once a day N b. Once a week Y c. Prior to getting underway N d. Only when entering waters of different density 8683: With no environmental forces on the DEEP DRILLER, the average of the forward drafts is 61.0 feet, and the average of the aft drafts is 59.0 feet. KGL is 51.13 feet. What is the value of LCG?
N a. -0.12 foot N b. 0.12 foot N c. 2.11 feet Y d. 2.35 feet 9276: You are underway when a fire breaks out in the forward part of your vessel. If possible, you should __________.
N a. call for assistance Y b. put the vessel's stern into the wind N c. abandon ship to windward N d. keep going at half speed 9565: The LCG of a vessel may be found by dividing displacement into the __________.
N a. longitudinal center of gravity of the vessel N b. sum of the vertical moments of the vessel Y c. sum of the longitudinal moments of the vessel N d. longitudinal baseline of the vessel 9634: A fixed carbon dioxide extinguishing system for a machinery space, designed WITHOUT a stop valve in the line leading to the protected space, is actuated by __________.
Y a. one control N b. two controls N c. three controls N d. none of the above