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.
30: Transverse stability calculations require the use of __________.
N a. hog or sag calculations or tables Y b. hydrostatic curves N c. general arrangement plans N d. cross-sectional views of the vessel 83: If more than one raft is manned after the vessel has sunk, you should __________.
N a. go in a different direction in search of land N b. spread out to increase the possibility of a search aircraft finding you N c. reduce the number of rafts by getting as many people as possible into as few rafts as possible Y d. tie the rafts together and try to stay in a single group 123: If you are forced to abandon ship in a lifeboat, you should __________.
Y a. remain in the immediate vicinity N b. head for the nearest land N c. head for the closest sea-lanes N d. vote on what to do, so all hands will have a part in the decision 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 257: Which vessel greater than 100 GT is NOT required to have an EPIRB.
N a. A sailing vessel N b. A fishing vessel Y c. A non self-propelled vessel in tow N d. A towing vessel 392: What should be used to remove corrosion from the swivel on the female coupling of a fire hose?
N a. Bearing grease and a wire brush N b. Talc and fine sandpaper N c. Fish oil and a soft brush Y d. Fresh water, soap, and a stiff brush 454: Marine Operators, when calling a ship on VHF-FM radiotelephone, normally call on channel __________.
N a. 13 Y b. 16 N c. 19 N d. 23 496: The lifeboat releasing gear lever should be marked with the words __________.
N a. "DANGER, DO NOT TOUCH" N b. "DANGER, BOAT MAY DROP" N c. "DANGER, LEVER RELEASES BOAT" Y d. "DANGER, LEVER DROPS BOAT" 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 774: If you send a flag hoist of MAJ 8, what information are you conveying?
N a. The least depth of water in the channel is 8 meters. N b. Derelict dangerous to navigation to the north. N c. Navigation is closed. You should navigate with caution. Y d. I have a male age 8 years. 775: During the annual inspection by the owner, each nonmetallic oil transfer hose must not burst, bulge, leak, or abnormally distort under static liquid pressure of at least __________.
N a. 100 pounds per square inch N b. the relief valve setting pressure N c. the shoreside pump discharge pressure Y d. 1˝ times the maximum allowable working pressure 882: Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by __________.
N a. closing the compartment except for the ventilators Y b. completely closing the compartment N c. leaving the compartment open to the air N d. increasing the air flow to the compartment by blowers 988: Which portable fire extinguisher should be used on a class C fire on board a vessel?
Y a. Carbon dioxide N b. Water (stored pressure) N c. Foam N d. Carbon tetrachloride 1035: The letter G, when sent with a complement, may be followed by __________.
N a. two numerals N b. two letters N c. three or four numerals Y d. four or five numerals 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 1151: 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 1268: Where must the draft marks be placed on a small passenger vessel?
N a. On each side of the stem N b. Near the stern post or rudder post N c. At each end of the vessel Y d. All of the above 1401: Which statement about transmitting distress messages by radiotelephone is INCORRECT?
N a. Distress messages should first be transmitted on 2182 kHz. Y b. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration. N c. If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available. N d. Channel 16 (156.8 MHz) may be used for distress messages. 1406: The principal danger from ice collecting on a vessel is the____________________.
N a. decrease in capabilities of radar N b. decrease in displacement N c. adverse effect on trim Y d. loss of stability 1487: A vessel's heavy displacement is 24,500 tons with light displacement of 13,300 tons. Fully loaded it carries 300 tons of fuel and stores. What is the vessel's deadweight?
N a. 10,900 tons Y b. 11,200 tons N c. 13,000 tons N d. 24,200 tons 1543: The ship station license for your radiotelephone is valid for __________.
N a. one year N b. two years Y c. ten years N d. the life of the vessel 1598: On board a small passenger vessel connections to electric conductors MUST be __________.
Y a. made within enclosures N b. served and parceled N c. installed only by a licensed marine electrician N d. Be inspected annually 1749: High pressure and low pressure alarms must be tested __________.
Y a. no earlier than 24 hours prior to loading N b. no later than 24 hours prior to loading N c. anytime prior to loading N d. weekly 1761: After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. The list caused by a flooded leg means your vessel has a(n)____________.
N a. negative GM (metacentric height) Y b. decrease in the GZ (righting arm) N c. increase in the waterplane and the metacentric height N d. less chance of deck edge immersion 1928: Your vessel displaces 740 tons and measures 141'L by 34'B. What is the reduction in GM due to free surface if the fish hold (41'L by 30'B by 9'D) is filled with 2.5 feet of water? (Each foot of water weighs 35.1 tons)
N a. 2.14 feet N b. 2.75 feet N c. 2.96 feet Y d. 3.18 feet 2015: A shroud is __________.
N a. a light sail N b. a topmast stay N c. a sheet Y d. standing rigging 2206: Which action will NOT reduce heeling of a vessel when sailing on a tack?
N a. Heading up until your sails begin to luff N b. Easing sheets N c. Reefing sails Y d. Changing to larger sails 2280: A vessel displaces 140,000 cubic feet of saltwater in a light condition. After loading 7500 tons of cargo and 200 tons of fuel, water and stores, she is "full and down". The vessel's light displacement is __________.
N a. 3000 tons N b. 3500 tons Y c. 4000 tons N d. 4500 tons 2428: What is the flash point of iso - Hexane?
Y a. -10°Fahrenheit N b. 20°Centigrade N c. 68°Fahrenheit N d. 152°Centigrade 2434: Your vessel's drafts are: FWD 14'-11", AFT 16'-01"; and the KG is 24.4 feet. What is the righting moment when the vessel is inclined to 30°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 24,960 foot-tons N b. 22,870 foot-tons N c. 20,360 foot-tons Y d. 18,240 foot-tons 2679: The primary hazard of liquefied petroleum gas and liquefied natural gas is __________.
N a. pressure N b. toxicity N c. temperature Y d. flammability 2854: The sailing drafts are: FWD 14'-08", AFT 15'-06" and the GM is 4.8 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 40° inclination.
N a. 3.3 feet N b. 3.7 feet Y c. 4.3 feet N d. 5.4 feet 3065: Which precaution should be taken when testing a line throwing gun?
Y a. Never remove the line from the rocket. N b. Fire it at an angle of approximately 90 degrees to the horizon. N c. Wear asbestos gloves. N d. All of the above 3121: To prevent the spread of fire by conduction you should __________.
Y a. cool the bulkheads around the fire N b. remove combustibles from direct exposure N c. close all openings to the area N d. shut off all electric power 3173: What is considered to be a B-II portable fire extinguisher?
N a. 2 pound dry chemical Y b. 2-1/2 gallon foam N c. 4 pound carbon dioxide N d. All of the above 3207: The lights on the outside of the canopy of an inflatable liferaft operate __________.
N a. by turning the globe clockwise N b. by a switch at the light N c. by a light sensor Y d. automatically when the raft is inflated 3241: The DEEP DRILLER, at a draft of 45 feet and total vertical moments of 981,567 ft-long tons, floods 2068.7 long tons of sea water through the overboard discharge into tanks 3 and 8 on both sides. The VCG of the added ballast is 7.22 feet. The shift in the height of the center of gravity is __________.
N a. 0.93 foot Y b. 6.16 feet N c. 6.95 feet N d. 7.88 feet 3285: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0118
N a. 271.2 ft N b. 288.8 ft N c. 292.3 ft Y d. 307.2 ft 3317: You are in a lifeboat broadcasting a distress message. What information would be essential to your rescuers?
N a. The nature of the distress N b. The time of day N c. Your radio call sign Y d. Your position by latitude and longitude 3353: An inflatable liferaft can be launched by __________.
N a. the float free method only N b. kicking the hydrostatic release Y c. throwing the entire container overboard, then pulling on the operating cord to inflate the raft N d. removing the securing straps 3425: What is the trim of a jack-up with a forward draft of 12 feet and an after draft of 13 feet?
N a. 0.5 foot by the stern Y b. 1.0 foot by the stern N c. 2.0 feet by the stern N d. 0.5 feet by the head 3485: In the event the motion of the DEEP DRILLER is such that critical motion limits are exceeded, you should __________.
N a. place the unit at 65 foot draft Y b. place the unit at 45 foot draft N c. shift loads to increase KG N d. place the unit in standby 3534: When a passenger vessel's plans must be permanently exhibited, they are NOT required to show information on the __________.
N a. fire detection system N b. portable fire extinguishers Y c. lifeboats, liferafts, and life preservers N d. ventilation systems 3569: If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat, you should __________.
N a. go in one direction until the fuel runs out N b. steer a course for the nearest land N c. steer a course for the nearest sea lane Y d. shut down the engines if installed and put out the sea anchor 3973: What are the additional vertical moments created when P-tank #4 in the DEEP DRILLER sample load form #1 (Transit) is completely filled?
N a. 2,252 foot-tons Y b. 9,413 foot-tons N c. 11,665 foot-tons N d. 13,917 foot-tons 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" 4139: Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by __________.
N a. regulating the oil flow with the six-way valve N b. moving the automatic differential valve N c. moving the follow up indicator which regulates the six-way valve Y d. varying the angle of a tilting box or eccentricity of a floating ring 4254: Which statement about immersion suits is TRUE?
N a. The suit's oil resistance is such that it will be serviceable and be usable after exposure to gasoline or mineral spirits without needing to be specially treated. N b. The suit seals in body heat and provides protection against hypothermia indefinitely. N c. The suit is flameproof and provides protection to the wearer while swimming through burning oil. Y d. The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. 4561: The sounding level of 17 lb. per gallon mud in mud pit 2S of the COASTAL DRILLER is 7.75 feet. What is the weight of the mud?
N a. 153.16 kips N b. 156.13 kips Y c. 194.77 kips N d. 198.54 kips 4603: The COASTAL DRILLER is elevated while preparing for the passage of a severe storm. With ideal loading, the static loading on each of the three legs would be 4,715 kips. However, the LCG is 121 feet AFO and TCG is 0.5 foot to starboard of the centerline. By how many kips does the starboard leg reaction exceed the ideal loading?
N a. 00 kips N b. 32 kips Y c. 149 kips N d. 181 kips 4667: 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 would be the new height of the longitudinal metacenter?
N a. 249.47 feet N b. 250.16 feet Y c. 252.92 feet N d. 253.90 feet 5271: The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to pump from __________.
N a. 1P Y b. 3P N c. C1P N d. C2P 5645: On a semisubmersible drilling unit, increasing riser tension reduces __________.
N a. list N b. KM N c. KG Y d. GM 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. 6035: On a MODU, watertight doors should be operated __________.
N a. during abandon drill Y b. during fire drill N c. weekly N d. when the rig is being moved 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° 7057: 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 8653: While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the starboard side. Because the sounding level and starboard inclination are rapidly increasing, you decide that tank 1S is damaged. Your best countermeasure is to __________.
Y a. deballast from tank 2S N b. dump the mud N c. counterflood into 9P N d. place a wooden plug into the vent of tank 2S 8993: The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the __________.
N a. baseline N b. vertical reference plane Y c. hull N d. horizontal reference plane 9551: When the height of the metacenter is less than the height of the center of gravity, a vessel has which type of stability?
N a. Stable N b. Neutral Y c. Unstable N d. Positive