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.
2: An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT include __________.
N a. circling the vessel at least once N b. heading in the direction of the distress location Y c. flashing the navigation lights on and off N d. crossing ahead and rocking the wings 120: The point to which your vessel's center of gravity (G) may rise and still permit the vessel to have positive stability is called the __________.
N a. metacentric point Y b. metacenter N c. metacentric radius N d. tipping center 135: Which statement concerning an accidental oil spill in the navigable waters of the U.S. is FALSE?
N a. The person in charge must report the spill to the Coast Guard. N b. Failure to report the spill may result in a fine. N c. The company can be fined for the spill. Y d. The Corps of Engineers is responsible for the clean up of the spill. 228: Which is the most serious type of fracture?
Y a. Compound N b. Greenstick N c. Closed N d. Crack 333: Which statement is TRUE concerning life preservers (Type I personal flotation devices)?
N a. Buoyant vests may be substituted for life jackets. Y b. Life preservers are designed to turn an unconscious person's face clear of the water. N c. Life preservers must always be worn with the same side facing outwards to float properly. N d. Lightly stained or faded life jackets will fail in the water and should not be used. 448: Treatment of frostbite includes __________.
N a. rubbing affected area with ice or snow N b. rubbing affected area briskly to restore circulation N c. wrapping area tightly in warm cloths Y d. warming exposed parts rapidly 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 532: Fire hose should be washed with __________.
N a. salt water and a wire brush N b. caustic soap Y c. mild soap and fresh water N d. a holystone 581: You are ordering ships' stores that are NOT consumer commodities. Which statement is TRUE?
N a. All flammable liquids must be stowed in the paint locker or specially constructed integral tanks. Y b. The label of a hazardous ships' store must include instructions for safe stowage. N c. Replacement CO2 cylinders for the fixed fire fighting system must have been tested within 8 years of receipt. N d. Cartridges for the line throwing appliance must be stored in the portable magazine chest after receipt. 628: The most likely location for a liquid cargo fire to occur on a tanker would be __________.
N a. in the midships house N b. at the main deck manifold N c. at the vent header Y d. in the pumproom 670: Which action will affect the trim of a vessel?
N a. Moving high weights lower N b. Adding weight at the tipping center Y c. Moving a weight forward N d. All of the above 696: For each person it is certified to carry, a lifeboat on an oceangoing passenger vessel must be provided with all of the following EXCEPT __________.
N a. 3 liters of water N b. 1 unit of provisions N c. 1 seasickness kit Y d. 1 life preserver 738: There is a fire aft aboard your vessel. To help fight the fire, you should __________.
N a. put the wind off either beam Y b. head the bow into the wind and decrease speed N c. put the stern into the wind and increase speed N d. put the stern into the wind and decrease speed 790: Which would NOT provide extra buoyancy for a vessel with no sheer?
N a. Lighter draft N b. Raised fo'c'sle head N c. Raised poop Y d. Higher bulwark 906: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 933: You are at sea on a vessel whose beam is 40 feet and the full rolling period is 20 seconds. What is the estimated metacentric height of the vessel?
N a. 0.3 ft. N b. 0.5 ft. Y c. 0.8 ft. N d. 1.1 ft. 1037: What is the minimum size power-driven vessel, not engaged in towing, required to comply with the vessel bridge-to-bridge radiotelephone regulations?
N a. 50 meters N b. 25 meters Y c. 20 meters N d. 12 meters 1124: Spaces containing gasoline-powered machinery or gasoline storage tanks on small passenger vessels should have ventilator ducts that extend to the bilges because __________.
N a. air is heavier than gas fumes N b. oil and water mix there N c. it prevents air from entering or leaving the space Y d. Gasoline vapors are heavier than air, tend to settle in the bilges, and create an explosion hazard 1189: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0032
N a. 2.62 feet Y b. 2.82 feet N c. 2.97 feet N d. 3.15 feet 1624: A sail plan, including the vessel's itinerary, name, number, and persons aboard, should be filed with __________.
N a. the FAA N b. the Coast Guard N c. U.S. Customs Y d. a responsible person 1799: Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon __________.
N a. cargo pump failure Y b. blower failure N c. deck seal low water level N d. low inert gas temperature 1864: The liquid mud tanks on your vessel measure 40'L by 20'B by 8'D. The vessel's displacement is 996 T and the specific gravity of the mud is 1.7. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.95 foot N b. 1.26 feet N c. 2.10 feet Y d. 2.54 feet 1894: The liquid mud tanks on your vessel measure 24'L by 16'B by 8'D. The vessel's displacement in salt water (specific gravity 1.025) is 864 T and the specific gravity of the mud is 1.47. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.32 foot Y b. 0.78 foot N c. 0.96 foot N d. 1.12 feet 2014: Your vessel measures 131 feet long by 20 feet in beam. If the natural rolling period at a draft of 8'-03" is 6 seconds, what is the GM?
N a. 1.26 feet N b. 1.74 feet N c. 1.93 feet Y d. 2.15 feet 2139: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.0 feet, and the drafts are: FWD 28'-01", AFT 28'-06"; at what angle will the vessel lose positive stability?
N a. 64° Y b. 71° N c. 77° N d. 82° 2348: Regulations require that venting for cargo tanks in which only grades D or E liquids are to be transported shall, as a MINIMUM, be of which type? (tank barge constructed on or after July 1, 1951)
N a. Straight vents open to atmosphere N b. Individual pressure vacuum relief valves N c. Branch vent lines connected to a vent header system Y d. Gooseneck vents and flame screens 2480: According to the Chemical Data Guide, what is NOT a recommended extinguishing agent for an ethyl chloride fire?
N a. CO2 Y b. Alcohol foam N c. Dry chemical N d. Water fog 2483: You are keeping the required garbage disposal records. The amount of garbage disposed must be stated in __________.
Y a. cubic meters N b. both cubic meters and cubic feet N c. both kilos and pounds N d. barrels of 55 gallon capacity 2510: Camphor oil is classified as a __________.
N a. Grade A flammable liquid N b. Grade C flammable liquid Y c. Grade D combustible liquid N d. Grade E combustible liquid 2520: According to the Chemical Data Guide, which material is not compatible with vinylidene chloride (inhibited)?
N a. Aluminum N b. Nickel Y c. Copper or copper alloys N d. Stainless steel 2634: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 4 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 40 N b. 48 N c. 53 Y d. 60 2771: The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of __________.
N a. trim N b. yaw N c. heel Y d. loll 2965: Which is TRUE concerning immersion suits and their use?
N a. Only a light layer of clothing may be worn underneath. Y b. They provide sufficient flotation to do away with the necessity of wearing a life jacket. N c. They should be tight fitting. N d. A puncture in the suit will not appreciably reduce its value. 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 3221: A MODU with a displacement of 15,000 kips has a KG of 20 feet. A load of 300 kips is shifted from a VCG of 100 feet to a VCG of 10 feet. How far does the KG move?
N a. 0.2 foot downward N b. 0.2 foot upward Y c. 1.8 feet downward N d. 1.8 feet upward 3232: Which statement is TRUE concerning work vests aboard a vessel? (Uninspected Vessel Regulations)
N a. They may be worn during drills. N b. They may be substituted for up to 10% of the required lifesaving gear aboard. N c. They need not be of an approved type. Y d. They must be stowed separately from approved life preservers. 3415: A vessel has a strong wind on the port beam. This has the same affect on stability as __________.
Y a. weight that is off-center to starboard N b. increasing the draft N c. reducing the freeboard N d. increasing the trim 3417: Which statement is TRUE concerning an inflatable liferaft?
N a. The floor may be inflated for insulation from cold water. N b. Crew members may jump into the raft without damaging it. N c. The raft may be boarded before it is fully inflated. Y d. All of the above 3434: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 4260 tons of cargo on board with a KG of 25.8 feet. Use the white pages of the Stability Data Reference Book to determine the final KG of all the cargo after loading is completed. ST-0130
N a. KG 24.6 feet N b. KG 25.0 feet N c. KG 25.4 feet Y d. KG 25.9 feet 3492: Your vessel's existing draft is FWD 17'-03", AFT 18'-09". Using the Guidance Manual for Loading M.V. Grand Haven, determine the new draft if 450 long tons are loaded in No. 16 hatch.
N a. FWD 16'-11", AFT 19'-04 2/3" N b. FWD 17'-01", AFT 18'-11 1/4" Y c. FWD 17'-04", AFT 19'-03 3/4" N d. FWD 17'-07", AFT 18'-11 1/4" 3502: How many self-contained breathing apparati are required aboard a 500 ton passenger vessel in river service with 75 passenger staterooms?
N a. 0 Y b. 1 N c. 2 N d. 3 3579: Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 3 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 34 lbs.
N a. 1150 tons each N b. 1180 tons each Y c. 1220 tons each N d. 1250 tons each 3624: What is the International Code signal for calling an unknown station using flashing light?
Y a. AA AA N b. UNK N c. STA N d. CQ 3666: When you are firing a pyrotechnic distress signal, it should be aimed at __________.
N a. straight overhead N b. at the vessel whose attention you are trying to get N c. into the wind Y d. about 60 degrees above the horizon 3683: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected starboard and aft inclination. The wind and waves are light. What might have caused the inclination?
N a. Mooring lines 6 and 7 have failed. Y b. The drilling crew has dumped the mud. N c. The drill string has broken. N d. Ballast tanks have equalized into tank 10S. 3760: Symptoms of sea sickness include __________.
N a. fever and thirst Y b. nausea and dizziness N c. stomach cramps and diarrhea N d. reddening of skin and hives 4215: A mat-type jack-up drilling unit is the best selection for __________.
Y a. soft mud bottoms N b. uneven bottoms N c. deep water N d. hard bottoms 4281: The maximum allowable KG for the COASTAL DRILLER in normal transit at a draft of 10.5 feet is __________.
N a. 40 feet N b. 45 feet N c. 55 feet Y d. 65 feet 4307: To what distance below the hull must the legs of the COASTAL DRILLER be lowered in order to meet the stability and leg strength requirements during the wind speeds greater than 70 knots?
N a. 0.0 feet N b. 1.2 feet N c. 25.0 feet Y d. 60.5 feet 5037: Where will you find the requirements for the signals that must be sounded by a mobile offshore drilling unit that is being towed through an area of restricted visibility?
Y a. COLREGS N b. MMS Rules N c. SOLAS Convention N d. Coast Pilot 5127: In illustration D041DG, the symbol for displacement is __________.
Y a. 1 N b. 2 N c. 3 N d. 4 5755: Why are symmetric mooring patterns frequently used to keep MODU's on station?
N a. All lines contribute to the holding power of the mooring system. Y b. Environmental forces will probably vary in direction during the time the MODU is on station. N c. Environmental forces will probably come from the same direction during the time the MODU is on station. N d. Governmental regulations require this mooring pattern unless an exemption is issued. 5817: The two main types of load cells used in mooring tension gauges are __________.
Y a. distortion and compression N b. hydraulic and mechanical N c. magnetic and applied torque N d. frictionless and hydraulic 6553: While taking on fuel oil from an offshore supply vessel, the transfer hose leaks, causing a sheen in the water. You should __________.
N a. continue transfer operations N b. repair the leak with duct tape N c. reduce the rate of transfer Y d. immediately shut down operations 6646: Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by __________.
N a. closing the compartment except for the ventilators N b. increasing the air flow to the compartment by blowers N c. leaving the compartment open to the air Y d. completely closing the compartment 7056: Your drafts are: FWD 23'-03", AFT 27'-01". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in fresh water.
N a. 12,550 tons Y b. 12,900 tons N c. 13,200 tons N d. 13,350 tons 8215: In the piping systems of a MODU, what type of valve gives the least resistance to fluid flow when fully open?
N a. Globe valve N b. Butterfly valve Y c. Gate valve N d. Packless valve 8867: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet?
N a. 2,094 long tons N b. 2,194 long tons Y c. 2,294 long tons N d. 3,294 long tons 8911: If a victim is unconscious, you should first look for evidence of __________.
N a. high fever N b. head injury N c. broken limbs Y d. irregular breathing 9607: There is a fire aft aboard your vessel. To help fight the fire, you should __________.
Y a. head the bow into the wind and decrease speed N b. put the wind off either beam N c. put the stern into the wind and increase speed N d. put the stern into the wind and decrease speed