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.
19: The operator of the ship's radiotelephone, if the radiotelephone is carried voluntarily, must hold at least a __________.
N a. mate's license Y b. restricted radiotelephone operator permit N c. second-class radio operator's license N d. seaman's document 125: Addition of weight to a vessel will ALWAYS __________.
Y a. reduce reserve buoyancy N b. increase righting moments N c. increase GM N d. All of the above 210: Metacentric height is an indication of a vessel's stability __________.
N a. for all angles of inclination N b. for large angles of inclination Y c. for small angles of inclination N d. in no case 247: During a stability test on a small passenger vessel __________.
N a. the vessel must be moored snugly N b. each tank must be partially full to show it does not leak N c. all dunnage, tools, and extraneous items are secured Y d. water under vessel must be deep enough to prevent grounding 324: The national distress, safety, and calling frequency is channel __________.
N a. 13 Y b. 16 N c. 18 N d. 22 430: The effects of free surface on a vessel's initial stability do NOT depend upon the __________.
N a. volume of displacement of the vessel N b. dimensions of the surface of the liquid Y c. amount of liquid in slack tanks N d. specific gravity of the liquid in the tank 639: A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the __________.
Y a. fire hose might be damaged by cargo operations N b. vessel is in port N c. fire-main system is not charged N d. fire pumps are used for purposes other than supplying water to the fire main 664: Your vessel is in distress and you have made radiotelephone contact with a U.S. Coast Guard vessel. The Coast Guard vessel requests that you give him a long count. This indicates that __________.
N a. your radio transmitter is not working properly N b. the Coast Guard vessel is testing its receiver Y c. the Coast Guard vessel is taking a radio direction finder bearing on your vessel N d. the Coast Guard vessel is requesting your position in latitude and longitude 675: Who completes the Declaration of Inspection before loading a tank vessel?
N a. The U.S. Coast Guard N b. The manager of the shore facility Y c. The person(s) designated in-charge N d. The American Bureau of Shipping 818: A fire in a transformer terminal would be classified as class __________.
N a. A N b. B Y c. C N d. D 829: A fire starting by spontaneous combustion can be expected in which condition?
N a. Paints, varnish, or other liquid flammables are stowed in a dry stores locker. N b. Inert cargoes such as pig iron are loaded in a wet condition. Y c. Oily rags are stowed in a metal pail. N d. Clean mattresses are stored in contact with an electric light bulb. 846: If a lifeboat is stowed 40 feet above the light water draft and 200 feet from the bow, how long must the sea painter be?
Y a. 80 feet N b. 160 feet N c. Sufficiently long enough to reach the water when the vessel has an adverse list of 15° N d. One third the length from the bow to where the lifeboat is stowed 923: You are at sea on a vessel whose beam is 60 feet and full period of roll is 20 seconds. What is the estimated metacentric height of the vessel?
N a. 1.3 ft N b. 1.5 ft Y c. 1.7 ft N d. 1.9 ft 959: 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-0020
N a. 2.32 feet N b. 2.21 feet Y c. 1.97 feet N d. 1.76 feet 1086: Required lifesaving equipment on existing vessels may be continued in use on the vessel if __________.
N a. kept on board no more than 2 years N b. inspected and serviced every 6 months N c. destroyed if more than 5 years old Y d. maintained in good and serviceable condition 1112: A combustible gas indicator meter is calibrated to read the percentage of __________.
N a. vapor to oxygen N b. the flammable limit concentration N c. the autoignition concentration Y d. the lower explosive limit concentration 1232: A marine chemist issues gas free certificates and is certified by which organization?
N a. Mine Safety Appliance Association N b. American Chemical Society N c. Marine Chemists Association Y d. National Fire Protection Association 1245: The Master of a small passenger vessel fitted with loading doors must ensure that the doors are closed, watertight and secured __________.
Y a. at all times when underway unless operating on protected or partially protected waters N b. when leaving the dock N c. when loading cargo N d. at all times, at the dock or underway when the loading door is not actually being used for passage 1282: When approaching a fire from leeward you should shield fire fighters from the fire by using __________.
N a. a straight stream of water N b. foam spray Y c. high-velocity fog N d. low-velocity fog 1372: It is necessary to secure the forced ventilation to a compartment where there is a fire to __________.
N a. allow the exhaust fans to remove smoke N b. extinguish the fire by carbon monoxide smothering Y c. prevent additional oxygen from reaching the fire N d. protect fire fighting personnel from smoke 1375: To launch a liferaft by hand you should __________.
N a. cut the casing bands, throw the liferaft over the side, and it will then inflate N b. detach the operating cord, throw the raft over the side, and it will then inflate N c. cut the casing bands, throw the raft over the side, and pull the operating cord Y d. throw the liferaft over the side and pull the operating cord 1585: Up to two thirds of a survival crafts required drinking water may be produced by a manually-powered reverse osmosis desalinator if it can be done in __________.
N a. 12 hours N b. 1 day Y c. 2 days N d. 4 days 2023: If you were to jibe in a strong wind, the part of the rigging most likely to fail would be the __________.
N a. forestay Y b. backstay N c. jumper stay N d. halyard 2066: A boom vang __________.
Y a. holds the boom down and flattens the main sail N b. draws the head of the sail to windward N c. tautens the standing rigging N d. douses the gaff topsail 2120: You have 480 tons of below deck tonnage including liquid mud. Your existing deck cargo is 200 tons with a VCG above the deck of 2.8 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. 34 tons Y b. 62 tons N c. 134 tons N d. 186 tons 2259: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.2 feet, and the drafts are: FWD 22'-04", AFT 23'-00"; at what angle will the vessel lose positive stability?
N a. 72° Y b. 78° N c. 86° N d. 92° 2388: At sea, all required GMDSS equipment (other than survival craft equipment) must be proven operational by __________.
N a. daily testing Y b. either A or C N c. operational use of the equipment N d. testing at least every 48 hours 2726: Your vessel's drafts are FWD 19'-02", AFT 23'-10". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 98 tons of fuel is loaded 116 feet forward of amidships.
N a. FWD 19'-04", AFT 23'-06" N b. FWD 19'-07", AFT 23'-04" N c. FWD 19'-09", AFT 23'-01" Y d. FWD 19'-09", AFT 23'-06" 2738: Generally, the first action in extinguishing an LFG fire caused by escaping gas is to __________.
N a. sweep flames away with water spray Y b. shut off the leak N c. use a chemical foam fire extinguisher N d. call the local fire department 2812: What is correct with respect to required watertight bulkheads on small passenger vessels less than 100 GT?
N a. Penetrations are prohibited. Y b. Sluice valves are not permitted. N c. Each bulkhead must be stepped at its midpoint. N d. All of the above 2816: When a lifeline is required to be attached to a ring life buoy it must be at least __________. (small passenger vessel regulations)
N a. 30 feet long Y b. 60 feet long N c. 90 feet long N d. 120 feet long 2822: Survival craft required on a steel small passenger vessel operating in cold water must __________.
Y a. have sufficient capacity for all persons on board the vessel in ocean service. N b. have sufficient capacity for at least 50% of all persons on board for vessels in ocean service N c. be only inflatable liferafts N d. international orange in color only for vessels in lakes, bays and sounds service 2833: A vessel heading NE is on a course of __________.
N a. 022.5° Y b. 045.0° N c. 067.5° N d. 090.0° 2875: The symbol 5 as shown represents __________. (D041DG )
N a. displacement N b. leverage center Y c. centerline N d. counterflood limits 2964: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 22.2 feet and the drafts are: FWD 23'-06", AFT 24'-03".
Y a. 26° N b. 30° N c. 34° N d. 53° 3271: A MODU displacing 29,500 long tons has a KG of 60 feet. A weight of 500 long tons is added at a VCG of 150 feet. What is the change in KG?
N a. 2.5 feet upward N b. 2.0 feet upward Y c. 1.5 feet upward N d. 1.0 foot upward 3289: A warship indicates that it wishes to communicate with a merchant ship by hoisting __________.
N a. the merchant ship's identity signal and keeping it hoisted during the entire communication N b. the national ensign of the merchant vessel at the starboard yard N c. the flags MV close up until acknowledged and then lowering them to the dip Y d. the code pennant, and keeping it flying during the entire communication 3364: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0124
N a. 444 tons N b. 644 tons N c. 1044 tons Y d. 1263 tons 3508: Except in rare cases, it is impossible to extinguish a shipboard fire by __________.
N a. interrupting the chain reaction N b. removing the heat N c. removing the oxygen Y d. removing the fuel 3555: What are the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft if the winds are greater than 70 knots?
N a. 912,120 foot-tons N b. 942,120 foot-tons Y c. 996,522 foot-tons N d. 998,927 foot-tons 3756: Treatment of sunstroke consists principally of __________.
Y a. cooling, removing to shaded area, and lying down N b. bathing with rubbing alcohol N c. drinking ice water N d. All of the above 4006: The SS AMERICAN MARINER arrived in port with drafts of: FWD 18'-06", AFT 20'-10". 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-0152
N a. FWD 18'-11", AFT 20'-02" N b. FWD 19'-01", AFT 20'-00" N c. FWD 19'-03", AFT 19'-10" Y d. FWD 19'-05", AFT 19'-08" 4110: As Master of an inspected small passenger vessel, you have a question regarding a proposed modification to a watertight bulkhead. In which subchapter of title 46 of the Code of Federal Regulations would you find the answer?
N a. Subchapter W Y b. Subchapter T N c. Subchapter I N d. Subchapter E 4126: Using sheet 25 in the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (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 33 lbs.
N a. 1010 tons each N b. 1025 tons each N c. 1045 tons each Y d. 1070 tons each 4143: While loaded as shown in the Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What would be the new draft?
Y a. 56.69 feet N b. 58.14 feet N c. 59.14 feet N d. 63.31 feet 4210: You are loading in a port subject to the summer load line mark and bound for a port subject to the winter load line mark. You will enter the winter zone after steaming four days. You will consume 35 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.0083, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 74 inches N b. 78 inches N c. 80 inches N d. 86 inches 4453: When transferring survivors from a survival craft to a rescue vessel, personnel on board the craft should __________.
N a. remove their life preservers to make it easier to climb on board the rescue vessel N b. climb on top of the survival craft while waiting for their turn to transfer to the rescue vessel Y c. remain seated inside the survival craft and make the transfer one person at a time N d. enter the water and swim over to the rescue vessel 4527: The sounding for Drill Water Tank #18 for the Coastal Driller is 1.25 feet. It is decided to fill the tank. What is the vertical center of gravity for the added liquid?
Y a. 3.13 feet N b. 2.50 feet N c. 1.87 feet N d. 0.63 foot 4563: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 200 kips are discharged from 60 feet AF0 and 30 feet to starboard of the centerline. What is the starboard leg reaction?
N a. 4,271 kips Y b. 5,393 kips N c. 5,410 kips N d. 5,571 kips 4673: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for longitudinal free surface effects?
N a. 48.41 feet N b. 49.16 feet Y c. 50.79 feet N d. 51.40 feet 5261: The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to __________.
Y a. pump from 2P N b. pump from C1P N c. counterflood in 1P N d. counterflood in 10S 5477: Standards for fabrication and testing of chain on mobile offshore drilling units are provided by the __________.
N a. Department of the Interior N b. U.S. Coast Guard N c. Minerals Management Service Y d. American Petroleum Institute 5697: The motion that can significantly increase mooring line tension is __________.
N a. pitch N b. roll N c. yaw Y d. sway 6393: Lost circulation can cause a kick or blowout by __________.
N a. creating a flow channel outside the casing and back to the surface N b. lowering the density of the drilling fluid Y c. reducing the mud level in the well N d. contaminating the drilling fluid 6402: Small passenger vessels in cold water ocean routes, that do not meet the standards for collision bulkheads or subdivision in subchapter S, must carry __________. (small passenger vessel regulations)
Y a. 100% inflatable buoyant apparatus N b. at least one hand fire pump N c. at least two EPIRBs N d. All of the above. 7353: The height of a VHF radio antenna is more important than the power output wattage of the radio because __________.
Y a. VHF communications are basically "line of sight" N b. the air is more dense the higher you go N c. salt water is a poor conductor of sound N d. sea water absorbs the radiated energy 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 9231: The transverse free surface correction of a floating MODU displacing 24,000 long tons is 1.0 foot. When the MODU is deballasted by discharging 8,000 long tons of ballast, the FSMT decreases by 4,000 ft-long tons. What is the new FSCT?
N a. 1.50 feet Y b. 1.25 feet N c. 1.00 foot N d. 0.83 foot 9453: At all angles of inclination, the metacenter is __________.
Y a. vertically above the center of buoyancy N b. vertically above the center of gravity N c. at the intersection of the upright vertical centerline and the line of action of the buoyant force N d. at the geometric center of the underwater volume