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.
79: A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be __________.
Y a. labeled empty and recharged as soon as possible N b. replaced in its proper location if weight loss is no more than 25% N c. replaced in its proper location regardless of weight N d. replaced in its proper location if weight loss is no more than 15% 109: Your vessel has a displacement of 10,000 tons. It is 350 feet long and has a beam of 55 feet. You have timed it's full rolling period to be 15.0 seconds. What is your vessel's approximate GM?
N a. 1.18 feet N b. 1.83 feet Y c. 2.60 feet N d. 3.36 feet 150: A vessel would be referred to as "tender" when the weight of the cargo is __________.
N a. evenly distributed vertically and the double bottoms are full N b. concentrated low and the double bottoms are empty N c. concentrated low and the double bottoms are full Y d. concentrated high and the double bottoms are empty 152: What is the function of the bypass valve on the self-contained breathing apparatus?
N a. The valve opens in excessive heat to release the oxygen in the bottle and prevent the bottle from exploding. Y b. In the event of a malfunction in the equipment, the valve can be operated manually to give the wearer air. N c. When pressure in the apparatus exceeds 7 psi above atmospheric pressure, the valve opens to release pressure. N d. The valve reduces the high pressure in the bottle to about 3 psi above atmospheric pressure. 219: For the purposes of the International Rules of the Road, a non-self-propelled mobile offshore drilling unit under tow is considered to be a __________.
N a. non-displacement vessel N b. limited vessel N c. power-driven vessel Y d. vessel 282: The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to __________.
N a. a difference in water pressure Y b. the method of breaking up the water stream N c. the length of the applicator N d. All of the above 401: On a vessel of 12,000 tons displacement, what is the reduction in metacentric height due to free surface when a tank 60 feet long and 60 feet wide is partially filled with water?
N a. 2.30 feet N b. 2.43 feet N c. 2.48 feet Y d. 2.57 feet 553: Which statement is TRUE concerning lifeboat gripes?
N a. They must be released by freeing a safety shackle. N b. They should not be released until the boat is in lowering position. Y c. They may be adjusted by a turnbuckle. N d. They are normally used only with radial davits. 585: How long must a "Declaration of Inspection" be kept on board?
N a. One week N b. Two weeks Y c. One month N d. Three months 602: What does "EPIRB" stand for?
N a. Emergency Position Indicating Radar Buoy N b. Electronic Pulse Indicating Radio beacon Y c. Emergency Position Indicating Radio beacon N d. None of the above 850: When a vessel is stationary and in a hogging condition, the main deck is under __________.
N a. compression stress Y b. tension stress N c. shear stress N d. racking stress 921: You can determine that a CO2 fire extinguisher is fully charged by __________.
N a. looking at the gauge N b. checking the nameplate data N c. weighing by hand Y d. weighing on a properly calibrated scale 1010: Which action will best increase the transverse stability of a merchant vessel at sea?
Y a. Ballasting the double bottom tanks N b. Deballasting the deep tanks N c. Positioning a heavy lift cargo on the main deck N d. Raising the cargo booms to the upright position 1057: The primary method by which water spray puts out fires is by __________.
N a. removing the oxygen Y b. cooling the fire below the ignition temperature N c. removing combustible material N d. diluting combustible vapors 1287: When possible, what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?
N a. Blanket the cargo spill with foam. N b. Prevent the spread of fire with a foam dam. N c. Apply CO2 on burning fuel at its source. Y d. Shut off the transfer of cargo. 1667: A shipmate suffers a heart attack and stops breathing. You must __________.
N a. immediately give a stimulant, by force if necessary N b. make the victim comfortable in a bunk Y c. immediately start CPR N d. administer oxygen 1814: Your vessel displaces 840 tons and measures 146'L x 38'B. You ship a large wave on the after deck. What is the reduction in GM due to free surface before the water drains overboard, if the after deck measures 65'L x 38'B and the weight of the water is 76 tons?
N a. 8.76 feet N b. 8.93 feet N c. 9.04 feet Y d. 9.27 feet 1815: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.
N a. speed increases N b. side slip decreases N c. heeling moment decreases Y d. apparent wind moves forward 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 1931: The SS NORTHLAND is loaded to drafts: FWD 17'-03", AFT 19'-03". The KG is 23.6 feet. Use the salmon pages of the Stability Data Reference Book to determine the angle of list if #6 starboard tank is fully loaded with 1624 tons of salt water ballast (VCG is 36.5 feet off the centerline).
N a. 3.0° Y b. 4.4° N c. 6.0° N d. 7.5° 2241: If the survival craft is not loaded to full capacity, the personnel should be __________.
N a. loaded more on the port side forward N b. loaded equally on both sides with more forward Y c. loaded equally on both sides with more aft N d. allowed to sit anywhere 2253: Using a sea anchor with the survival craft will __________.
Y a. reduce your drift rate N b. keep the survival craft from turning over N c. aid in recovering the survival craft N d. increase your visibility 2309: Your vessel is preparing to lift a weight of 30 tons with a boom whose head is 30 feet from the ship's centerline. The ship's displacement not including the weight lifted is 8,790 tons. KM is 21.5 ft; KG is 20.5 ft. The angle of list when the weight is lifted will be __________.
N a. 1.4° N b. 2.8° N c. 3.4° Y d. 5.8° 2386: What are the vessel equipment and personnel requirements for GMDSS?
N a. Two licensed GMDSS radio operators N b. Equipment carriage requirements N c. Distress alerting and response Y d. All of the above 2458: To find the product Valeral in the Chemical Data Guide, you would have to look up the product __________.
N a. Acrylic acid N b. iso-Valeraldehyde Y c. n-Valeraldehyde N d. Vinyl acetate 2713: On a semisubmersible MODU, reserve buoyancy is increased by the presence of void spaces above the waterline in the __________.
N a. submerged hulls N b. quarters Y c. columns and upper structure N d. submerged connecting structures 2823: A vessel heading ESE is on a course of __________.
Y a. 112.5° N b. 135.0° N c. 157.5° N d. 180.0° 2849: A vessel would be referred to as "stiff" when the weight of the cargo is __________.
N a. evenly distributed vertically and the double bottoms are full N b. concentrated low and the double bottoms are empty Y c. concentrated low and the double bottoms are full N d. concentrated high and the double bottoms are empty 2895: The downflooding angle for a MODU is the minimum angle at which __________.
N a. the load line becomes submerged Y b. a non-watertight opening is at still water level N c. offset becomes excessive N d. reserve buoyancy is a maximum 3102: Which type of fixed fire-extinguishing system is approved for use on board uninspected vessels? (Uninspected Vessel Regulations)
Y a. Carbon dioxide N b. Steam smothering N c. Chemical foam N d. All of the above 3255: A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. To maintain draft, ballast is added at a VCG of 10 feet. What is the change in KG?
Y a. 2.5 feet downward N b. 2.0 feet downward N c. 1.5 feet downward N d. 1.0 foot downward 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 3401: While in port, what signal flag would inform the vessel's crew to report on board because the vessel was about to proceed to sea?
Y a. "P" N b. "H" N c. "U" N d. "A" 3472: If you find an inflatable liferaft container with the steel bands still in place around its case, you should __________.
N a. tell the Master Y b. leave the bands in place N c. tell the Mate N d. remove the bands yourself 3505: The lightweight vertical moments for the DEEP DRILLER are __________.
Y a. 680,914 ft-long tons N b. 9,733 ft-long tons N c. -5,937 ft-long tons N d. -6,716 ft-long tons 3532: Your vessel's existing draft is FWD 19'-08", AFT 20'-04". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 840 long tons are loaded in No. 1 hatch.
N a. FWD 18'-08", AFT 21'-06" N b. FWD 18'-09", AFT 21'-07" N c. FWD 18'-11", AFT 21'-09" Y d. FWD 22'-00", AFT 19'-02" 3578: The "call" part of a signal by flashing light is made by the general call or by __________.
N a. sending "CQ" Y b. the identity signal of the station called N c. spelling the name of the station called N d. omitting the call if the name of the station is unknown 3583: 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-0142
N a. 2.6 feet N b. 2.8 feet N c. 3.1 feet Y d. 4.3 feet 3663: Before deballasting to survival draft in the event of predicted heavy weather, the DEEP DRILLER Operations Manual recommends that the mooring lines be slacked __________.
N a. 10 feet Y b. 20 feet N c. 30 feet N d. 40 feet 3740: The proper stimulant for an unconscious person is __________.
N a. tea N b. coffee N c. whiskey and water Y d. ammonia inhalant 3981: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new position of the longitudinal center of buoyancy?
N a. 0.00 feet N b. 1.69 feet N c. 2.25 feet Y d. 2.29 feet 4202: Your vessel is floating in water of density 1010. The fresh water allowance is 8 inches. How far below her marks may she be loaded so as to float at her mark in saltwater of density 1025?
N a. 3.2 inches Y b. 4.8 inches N c. 6.4 inches N d. 8.0 inches 4265: The rotary of the COASTAL DRILLER is located 36 feet aft of the transom and 6 feet to starboard of the centerline. The hook load is 300 kips. Considering the changes to lightweight shown in the Operating Manual, the maximum amount of setback is __________.
N a. 545 kips N b. 450 kips N c. 245 kips Y d. 224 kips 4292: A violation of the "Vessel Bridge-to-Bridge Radiotelephone Act" may result in a __________.
Y a. civil penalty of $650 against the Master or person in charge of a vessel N b. civil penalty of $1,000 against the vessel itself N c. suspension and/or revocation of an operator's FCC license N d. All of the above 4317: Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on __________.
Y a. leg strength N b. variable load N c. environmental load N d. load line 4785: What should you do with your emergency position indicating radio beacon if you are in a liferaft in a storm?
Y a. Bring it inside the liferaft and leave it on. N b. Bring it inside the liferaft and turn it off until the storm passes. N c. Leave it outside the liferaft and leave it on. N d. Leave it outside the liferaft but turn it off. 5067: While a MODU is underway, a look-out must be maintained __________.
Y a. at all times N b. only during periods of restricted visibility N c. only when other vessels are present N d. only during the hours of darkness 5115: What kind of conditions would you observe as the eye of a storm passes over your MODU's position?
Y a. Huge waves approaching from all directions, clearing skies, light winds, and an extremely low barometer N b. Flat calm seas, heavy rain, light winds, and an extremely low barometer N c. Flat calm seas, heavy rain, light winds, and high pressure N d. Huge waves approaching from all directions, clearing skies, light winds, and high pressure 5247: In case of major damage to column C1P while the DEEP DRILLER is on location, you should pump from port-forward lower-hull tanks using __________.
N a. all four ballast pumps Y b. both port-side ballast pumps N c. saltwater service pump to supplement port-side ballast pumps N d. drill water pump to supplement port-side ballast pumps 5425: The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new LCG?
N a. 122.02 feet AFO N b. 125.03 feet AFO Y c. 125.63 feet AFO N d. 131.46 feet AFO 5447: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and forward. Strong winds and high waves are from the port quarter. Among the possible causes, you should consider __________.
N a. failure of mooring lines 3 or 4 Y b. failure of mooring lines 7 or 8 N c. leak in ballast tank #2S N d. ballast tanks equalizing into tank 1S 5898: What is the meaning of the signal VJ 8 when sent by the International Code of Signals?
N a. Winds of force 8 are expected. N b. Low clouds cover 8 octants of the sky. N c. You should stop hauling your warps. Y d. A gale is expected from the north. 6124: On a vessel of 7000 tons displacement, a tank 35 ft. long, 30 ft. wide and 4 ft. deep is half filled with fuel oil (S.G. 0.962) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
Y a. 2,109 N b. 25,974 N c. 31,328 N d. 909,090 6306: An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?
Y a. The sea anchor deploys. N b. The floor inflates. N c. If upside down, the craft rights itself. N d. The painter detaches from the raft. 6503: If, during helicopter refueling operations, fuel is spilled on clothing, the person should first __________.
N a. see the medic immediately N b. spray himself with foam or CO2 N c. complete his task and then see the medic Y d. remove the clothing and wash 6507: Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?
Y a. Upwind N b. Downwind N c. Crosswind N d. Downcurrent 6905: The Master or person in charge of a MODU is required to submit a casualty report of an intentional grounding when it __________.
Y a. creates a hazard to the vessel N b. will last longer than 24 hours N c. will last longer than 48 hours N d. occurs in international waters 8183: When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________.
N a. at the maximum load line draft N b. one foot less than maximum load line draft N c. one foot deeper than maximum load line draft Y d. one foot deeper than calculated afloat draft 9251: For well control, the American Petroleum Institute recommends that hydraulic units have sufficient horsepower to close the annular preventer in __________.
N a. 15 seconds Y b. 30 seconds N c. 45 seconds N d. 60 seconds 9513: In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the __________.
N a. center of gravity Y b. metacenter N c. center of flotation N d. keel