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.
144: The unit of duration of a dash in Morse Code is __________.
N a. one and one-half times the length of a dot N b. twice the length of a dot Y c. three times the length of a dot N d. four times the length of a dot 191: Where will you find the requirements for the lights that must be displayed on a mobile offshore drilling unit that is being towed?
N a. Notice to Mariners Y b. COLREGS N c. Coast Pilot N d. Light List 358: When treating a person for third-degree burns, you should __________.
N a. submerge the burn area in cold water N b. make the person stand up and walk to increase circulation Y c. cover the burns with thick, sterile dressings N d. break blisters and remove dead tissue 471: In how many locations must lifeboats be installed on a mobile offshore drilling unit?
N a. 4 N b. 3 Y c. 2 N d. 1 530: The TPI curve, one of the hydrostatic curves in a vessel's plans, gives the number of tons __________.
N a. necessary to change the angle of list 1° at a given draft N b. necessary to change trim 1 inch at a given draft N c. pressure per square inch on the vessel's hull at a given draft Y d. necessary to further immerse the vessel 1 inch at a given draft 712: Which statement is TRUE concerning the application of foam on an oil fire?
N a. It cools the surface of the liquid. N b. It gives protection to fire fighting personnel against the heat of the fire. Y c. It forms a smothering blanket on the surface of the oil. N d. It should be used at the same time a solid stream of water is being applied. 763: Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?
Y a. A red parachute flare N b. A red hand-held flare N c. A flashlight N d. A lantern 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. 860: A ship's forward draft is 22'-04" and its after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight __________.
N a. at the bow N b. in the lower holds Y c. amidships N d. at the ends 972: Which statement concerning carbon dioxide is FALSE?
N a. It displaces the oxygen in the air. N b. It cannot be seen. N c. It cannot be smelled. Y d. It is safe to use near personnel in a confined space. 1034: Which vessels must comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
Y a. All towing vessels 26 feet in length or greater N b. All passenger vessels less than 100 gross tons N c. All power-driven vessels 12 meters or less in length N d. All of the above 1199: To prevent damage by and to storage batteries aboard small passenger vessels they should be located __________.
N a. in trays constructed of material that is resistant to the electrolyte N b. so as to prevent movement when the vessel pitches and rolls N c. in a well ventilated area Y d. All of the above 1394: In each inflatable liferaft, what equipment is provided to make quick, emergency, temporary repairs to large holes in the raft?
N a. No equipment is provided. N b. Glue and rubber patches Y c. Several various-sized sealing clamps N d. Self-adhesive rubberized canvas patches 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" 1734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?
N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature. Y b. Move them to a warm room to gradually raise their body temperature. N c. Keep them moving to stimulate circulation to raise their body temperature. N d. Warm them under an electric blanket to rapidly regain normal body temperature. 1741: The maximum allowable oxygen content within the ship's cargo tanks, inert gas piping and the vapor recovery system is __________.
N a. 4% N b. 5% Y c. 8% N d. 10% 1774: You are preparing to contain an oil spill. You must first receive approval from the Federal On-Scene Coordinator (OSC) prior to __________.
N a. employing a boom N b. using suction equipment Y c. applying chemical agents N d. deploying skimmers 1879: Your vessel measures 127 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'-10" is 5 seconds, what is the GM?
N a. 1.96 feet Y b. 2.24 feet N c. 2.45 feet N d. 2.68 feet 2011: What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received?
N a. No action is necessary, as the DSC control unit will automatically switch to the NBDP follow-on communications frequency. Y b. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received. N c. The Operator should immediately set continuous watch on VHF channel 70. N d. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received. 2100: You have 180 tons of below deck tonnage including liquid mud. Your existing deck cargo is 300 tons with a VCG above the deck of 3.0 feet. What is the maximum additional cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )
N a. 20 tons N b. 60 tons Y c. 100 tons N d. 400 tons 2108: Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?
N a. A cargo handling room N b. A space in which cargo hose is stored N c. An enclosed space containing cargo piping Y d. All of the above 2165: A schooner is a fore-and-aft rigged vessel with __________.
N a. a single mast N b. two masts: with the mizzen stepped abaft the rudder post N c. two masts: with the mizzen stepped forward of the rudder post Y d. at least two masts: a foremast and a mainmast 2173: Which statement concerning exposure to radiation is TRUE?
N a. The INMARSAT unit's ray dome filters out potentially dangerous UV rays. Y b. Certain INMARSAT systems will automatically transmit when called and can expose an individual to harmful radiation. N c. INMARSAT-A and B antennas are safe because they are omnidirectional. N d. An INMARSAT-C antenna must be carefully avoided because it focuses the transmitter's signal into a fine beam of energy. 2193: On offshore drilling units, the lifeboats' fuel tanks must be emptied and the fuel changed at least once every __________.
Y a. 12 months N b. 24 months N c. 36 months N d. 48 months 2401: A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when __________.
N a. using a 2-1/2 inch hose Y b. there is an outlet for the smoke and heat N c. the fire is totally contained by the ship's structure N d. at least two fog streams can be used 2572: The radiotelephone urgency signal is __________.
N a. mayday Y b. pan pan N c. securite N d. seelonce feenee 2574: Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 23.1 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 60° inclination.
N a. 0.9 foot Y b. 1.8 feet N c. 2.7 feet N d. 4.5 feet 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 2606: Which device provides the main means in the GMDSS for locating ships in distress or their survival craft?
N a. Radio direction finder Y b. Satellite EPIRBs N c. MF/HF DSC N d. VHF homing device 2712: A vessel with a small GM will __________.
N a. be more subject to synchronous rolling N b. have a short rolling period N c. provide an uncomfortable ride for personnel Y d. have a smaller amplitude of roll in heavy weather 2819: Distress flares and smoke signals are not required on vessels operating on short runs. A "short run" is limited to __________. (small passenger vessel regulation)
N a. water of less than 20 feet in depth N b. where land is always in sight N c. no more than 5 miles Y d. about 30 minutes away from the dock 3030: 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-0097
N a. 7.7 feet N b. 9.1 feet N c. 9.9 feet Y d. 10.6 feet 3094: A type B-III CO2 extinguisher has a rated capacity of __________.
N a. 15 lbs N b. 25 lbs Y c. 35 lbs N d. 45 lbs 3112: An 85 foot uninspected towing vessel with a crew of ten (10) persons on board must carry at LEAST __________. (Uninspected Vessel Regulations)
N a. 10 approved ring life buoys and 10 approved life preservers N b. 10 approved work vests Y c. 10 approved life jackets and 1 approved ring life buoy N d. 11 approved life preservers 3115: For a MODU with transverse inclination, an increase in GMT causes __________.
N a. list to stabilize at an angle of loll Y b. list to decrease N c. trim to decrease N d. list to increase 3300: How many portable fire extinguishers are required to be located inside the machinery space of a small passenger vessel?
Y a. None are required N b. One B-I, C-I N c. One B-II, C-II N d. One B-II 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 3320: If your vessel is required to have a fire ax on board, where should it be located? (small passenger vessel regulations)
Y a. In or adjacent to the primary operating station N b. In below-decks passenger accommodations N c. Just outside the engine room access N d. In the galley near the stove 3712: The rescuer can best provide an airtight seal during mouth to mouth ventilation by pinching the victim's nostrils and __________.
N a. cupping a hand around the patient's mouth N b. keeping the head elevated Y c. applying his mouth tightly over the victim's mouth N d. holding the jaw down firmly 3885: On the DEEP DRILLER, among the starboard-side valves to open when flooding through the overboard discharge into ballast tank 1S is valve __________.
Y a. 2 N b. 3 N c. 7 N d. 37 3958: If there's a fire aboard your vessel, you should FIRST __________.
N a. notify the Coast Guard N b. have passengers put on life preservers Y c. sound the alarm N d. cut off air supply to the fire 3984: As shown in the illustration, item #8 would be a(n)______________. (D014SA )
N a. recognition light Y b. rain water catchment tube assembly N c. pressure relief valve N d. floating sheath knife 4089: Which piece of navigational safety equipment is NOT required on towing vessels over 12 meters in length, provided that the vessel remains within the navigable waters of the U.S.?
N a. VHF-FM radio(s) Y b. LORAN-C or GPS receiver N c. Charts or maps of the areas to be transited N d. Searchlight 4092: On which route is a towing vessel over 39.4 feet in length NOT required to carry an echo-sounding device?
N a. Great Lakes N b. Inland Waters, other than the Western Rivers Y c. Western Rivers N d. Coastwise Routes 4217: A mat-supported jack-up is best suited for drilling in locations with bottom conditions which are __________.
Y a. soft and level N b. firm and uneven N c. sloping N d. coral 4267: For the COASTAL DRILLER, what is the maximum rotary load that can be used when the rotary has been extended 40 feet aft of the transom?
N a. 750 kips N b. 630 kips Y c. 609 kips N d. 531 kips 4270: Which statement about immersion suits is TRUE?
N a. The primary color of the suit's exterior may be red, orange or yellow. Y b. The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. N c. The suit is flameproof and provides protection to a wearer swimming in burning oil. N d. The suit may be stored in a machinery space where the ambient temperature is 160°F. 4326: The SS AMERICAN MARINER has on board 4850 tons of cargo with an LCG-FP of 279.84 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-0159
N a. LCG-FP 267.7 feet N b. LCG-FP 268.4 feet N c. LCG-FP 269.2 feet Y d. LCG-FP 270.6 feet 4617: On the COASTAL DRILLER, in case one of the two bilge pits is flooded, the other can operate through a(n)__________.
N a. six-inch line connected to the independent isolation valves to the sea chest N b. separate bilge discharge manifold N c. independent scavenger manifold Y d. crossover arrangement 4807: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new transverse free surface correction (FSCT) if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 2.24 feet N b. 2.14 feet N c. 2.10 feet Y d. 1.67 feet 5042: What is the meaning of the signal SA T1035 RQ when sent by the International code of Signals?
N a. The longitude is 10°35'. N b. I am altering course to 103.5°T. Y c. Can you proceed at 1035 local time? N d. Is the latitude 10°35'? 5573: To develop maximum anchor holding power, the optimum angle between the anchor's shank and the mooring lines is __________.
Y a. 0 degrees N b. 10 degrees N c. 20 degrees N d. 30 degrees 5623: The full period of motion of the DEEP DRILLER while tripping is 10 seconds and the maximum pitch angle as seen on the inclinometers is 8 degrees. From the standpoint of critical motion, the motion is __________.
N a. unsatisfactory, place setback in the pipe racks N b. satisfactory, continue tripping Y c. unsatisfactory, deballast to survival draft N d. satisfactory, place unit in standby 5647: On a semisubmersible drilling unit, increasing riser tension increases __________.
Y a. KG N b. GM N c. KM N d. free surface moments 5683: You should consider placing the drilling operations of the DEEP DRILLER in standby when __________.
Y a. sustained winds exceed 50 knots N b. winds exceed 70 knots N c. critical motion limits have been exceeded N d. waves are greater than 64 feet 7385: To assure safe boarding and launching of a davit-launched liferaft from a MODU, preparation should include __________.
N a. load testing the davit arm and the painter system Y b. removing any side protective rails and checking that the overside and surface level are clear N c. testing the spring loaded drum to assure it will retract the fall release hook N d. testing to assure that the required lamps are functioning properly 7635: At an angle of loll, the righting arm (GZ) is __________.
N a. maximum N b. negative N c. positive, but reflexive Y d. zero 7683: Increasing free surfaces has the effect of raising the __________.
N a. uncorrected KG Y b. virtual height of the center of gravity N c. metacenter N d. metacentric height 8355: What quality of a diesel fuel is most significant for efficient combustion?
Y a. Volatility N b. Viscosity N c. Flash point N d. Specific heat 9523: When the height of the metacenter is the same as the height of the center of gravity, the upright equilibrium position is __________.
N a. stable Y b. neutral N c. unstable N d. negative