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.
26: The galley on your cargo vessel has an area of 2,500 square feet. What would fulfill the minimum requirements for fire protection?
N a. One B-I extinguisher Y b. One B-II extinguisher N c. One B-II and one C-II extinguisher N d. One B-V extinguisher 521: On a vessel of 6,000 tons displacement there are two slack tanks of carbon tetrachloride (SG 1.6). Each tank is 40 feet long and 25 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
N a. .39 ft Y b. .77 ft N c. .88 ft N d. .95 ft 736: How many liters of water per person must be carried in lifeboats on a tankship sailing a coastwise route?
N a. None N b. One N c. Two Y d. Three 881: You should FIRST treat a simple fracture by __________.
N a. attempting to set the fracture Y b. preventing further movement of the bone N c. applying a tourniquet N d. alternately applying hot and cold compresses 1196: The knife on an inflatable liferaft will always be located __________.
N a. in one of the equipment bags Y b. in a special pocket near the forward entrance N c. on a cord hanging from the canopy N d. in a pocket on the first aid kit 1256: The water pockets located on the underside of inflatable liferafts __________.
N a. stow rainwater; these 4 spaces do not take up valuable space Y b. act as stabilizers by filling with sea water as soon as the raft is inflated and upright N c. hold the freshwater required by regulation to be provided in the raft when packed N d. None of the above 1257: Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL, how many miles from land must you be to throw garbage including bottles, rags, and glass that has not been ground up into the sea?
N a. 3 nm N b. 6 nm Y c. 12 nm N d. 25 nm 1542: The SS AMERICAN MARINER has the following drafts: FWD 09'-10", AFT 15'-08". 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-0041
N a. 1.91 feet N b. 2.09 feet Y c. 2.21 feet N d. 2.48 feet 1556: Which fire extinguishing agent has the greatest capacity for absorbing heat?
Y a. Water N b. Foam N c. Dry chemical N d. Carbon Dioxide 1633: The SS NORTHLAND is loaded to drafts: FWD 18'-07", AFT 19'-05". The KG is 33.6 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. 4.0° Y b. 7.1° N c. 8.0° N d. 9.5° 1884: INTERNATIONAL AND INLAND Unless the rules require otherwise, a sailing vessel must keep out of the way of __________.
N a. an overtaking vessel N b. a pilot vessel on station N c. another sailing vessel on a crossing course Y d. a vessel trawling 1996: You have 240 tons of below deck tonnage. There is no liquid mud aboard. If you have 360 tons of cargo above deck with a VCG above the deck of 2.9 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 1.35 feet N b. 1.86 feet N c. 2.56 feet Y d. 3.60 feet 2114: You have hand launched an inflatable liferaft. What should be one of your FIRST actions after all persons have boarded the liferaft?
N a. Open the equipment pack. N b. Inflate the liferaft floor. N c. Decide on food and water rations. Y d. Cut the sea painter and clear the vessel. 2198: Which statement is TRUE concerning a sailing vessel with the sails properly trimmed?
N a. The more the sails are sheeted in, the greater your speed will be when sailing downwind. N b. As the sails are sheeted in, the vessel will heel less when close hauled. N c. As the sails are sheeted in on a close hauled course, speed will increase as the side forces on the vessel decrease. Y d. Sheeting in the sails will allow the vessel to sail closer to the wind but will decrease speed. 2319: What is NOT generally a characteristic of inhaling light naphtha?
N a. Dizziness N b. Headache Y c. Vomiting N d. Coughing 2587: Joiner bulkheads on a MODU provide __________.
Y a. compartmentalization N b. watertight integrity N c. structural support N d. tank boundaries 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 2777: The lubber's line on a magnetic compass indicates __________.
N a. compass north Y b. the direction of the vessel's head N c. magnetic north N d. a relative bearing taken with azimuth circle 2814: Your vessel's drafts are: FWD 21'-04", AFT 21'-08"; and the KG is 20.6 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 45° inclination if the center of gravity is 1.2 feet off the centerline.
N a. 3.8 feet Y b. 4.4 feet N c. 5.2 feet N d. 5.6 feet 2941: The existence of liquids in partially full tanks or compartments of a MODU causes a virtual rise in the height of the __________.
N a. metacenter N b. center of buoyancy N c. center of flotation Y d. center of gravity 3002: A vessels Certificate of Inspection will show the __________. (small passenger vessel regulations)
N a. crew requirements N b. minimum fire fighting and lifesaving equipment N c. route permitted Y d. All of the above 3080: When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard, which of the following is the best source for determining what is required?
N a. The supervisor in charge of the dock to which the barge is tied up N b. Part 38 of the Rules and Regulations for Tank Vessels Y c. The Certificate of Inspection of the barge N d. The local fire marshal 3090: Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?
N a. Spare charges shall be carried for at least 50 percent of each size and variety required on board. N b. If the unit cannot be charged by the vessel's personnel, one spare unit shall be carried in lieu of spare charges. N c. Spare charges shall be stowed in watertight containers on deck. Y d. Regulations concerning spare charges do not apply to unmanned barges. 3117: For a MODU with longitudinal inclination, an increase in GML causes __________.
N a. list to stabilize at an angle of loll N b. trim to stabilize at an angle of loll N c. trim to increase Y d. trim to decrease 3189: If a gasoline engine turns over freely but will not start, the cause is generally __________.
Y a. a defective ignition system N b. low lube oil level N c. weak valve springs N d. too heavy a load 3203: The inside light in an inflatable liferaft is turned on __________.
Y a. automatically as the liferaft inflates N b. with a switch near the boarding handle N c. at night because the light has a photosensitive switch N d. by screwing the bulb in after the raft inflates 3252: Before any machinery is put in operation, you should __________.
Y a. ventilate all compartments, see that the machinery is clean and there are no obstructions N b. just turn the key and start up N c. take for granted that there are no fuel leaks N d. assume there are no volatile fumes in the engine space 3305: The height of the transverse metacenter for a MODU is 62.44 feet. The height of the center of gravity is 56.10 feet, and the transverse free surface correction is 1.21 feet. What is the value of the metacentric height corrected for transverse free surface effects?
Y a. 5.13 feet N b. 6.34 feet N c. 8.76 feet N d. 12.10 feet 3366: An inflatable liferaft is floating in its container, attached to the ship by its painter, as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container?
N a. Cut the painter line so that it will not pull the liferaft container down. N b. Swim away from the container so that you will not be in danger as it goes down. Y c. Take no action as the pull on the painter will cause the liferaft to inflate and open the container. N d. Manually open the container and inflate the liferaft with the hand pump. 3389: The draft of the SS AMERICAN MARINER cannot exceed 23'-06" in order to cross a bar. The present drafts are: FWD 22'-03", AFT 24'-00". Use the white pages of the Stability Data Reference Book to determine the minimum amount of sea water to ballast the forepeak to achieve this condition.
N a. 77 tons Y b. 96 tons N c. 120 tons N d. 124 tons 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 3456: When a sea anchor for a survival craft is properly rigged, it will __________.
N a. completely stop the survival craft from drifting Y b. help to prevent broaching N c. prevent the survival craft from pitching N d. prevent the survival craft from rolling 3484: Your 80-ton schooner is hove to on the starboard tack under storm trysail and fore-staysail in 45 knots of wind. Your heading is averaging about 000° true and the wind is from the northeast. There is a dangerous shoal bearing 270° true, range 5 miles. Which action would be appropriate?
N a. You need only stay alert for changes, as your present drift will carry you away from the danger. N b. You should strike all sails and get underway under bare poles, making as much way as possible to the north. N c. You should set a reefed foresail and strike the jib. Y d. You should tack or jibe to the port tack and make all possible headway to the south. 3627: The DEEP DRILLER is drilling on location at a 60 foot draft. Waves are approaching within 2 feet of the underside of the spider deck. You should __________.
Y a. suspend drilling operations and deballast to a 45 foot draft N b. continue drilling while ballasting to a 20 foot draft maximum air gap N c. deballast when the waves just begin to hit the underside of the spider deck N d. reduce tension on all anchor chains to increase draft 3660: How should the letter "W" be pronounced when spoken on the radiotelephone?
N a. DUB A U Y b. WISS KEY N c. WI NE N d. WOO LF 3838: Fire dampers prevent the spread of fire by __________.
Y a. convection N b. conduction N c. radiation N d. direct contact 3949: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 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 4181: The DEEP DRILLER is operating at a draft of 60 feet. There is 11.5 feet of drill water in each of the drill water tanks (5P and 5S). What would be the improvement in KGL if 5S is filled from 5P?
N a. 0.56 foot N b. 0.49 foot N c. 0.18 foot Y d. 0.08 foot 4423: While in ocean transit, the COASTAL DRILLER experiences a single amplitude roll of 5 degrees. What is the minimum roll period that does not exceed the design limits of the legs?
N a. 2.7 seconds N b. 4.0 seconds N c. 6.5 seconds Y d. 7.2 seconds 5445: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to port and forward. Strong wind and high waves are from the starboard quarter. Among the possible causes, you should consider __________.
N a. failure of mooring lines 1 or 2 Y b. failure of mooring lines 5 or 6 N c. leak in ballast tank #2P N d. ballast tanks are equalizing into tank 1P 5587: What is the primary disadvantage of a permanent chain chaser system?
N a. It requires anchor handling boats with more horsepower. N b. Chain chasers work in shallow water only. Y c. Chain chasers will not work with piggyback anchors. N d. It takes longer to deploy anchors using chain chasers. 5721: Deficient oxygen content inside a chain locker can be detected with __________.
N a. litmus paper N b. combustible gas indicator N c. oxygen breathing apparatus Y d. oxygen indicator 5924: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 13'-10", AFT 16'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0187
N a. 1.30 feet N b. 1.07 foot N c. 0.96 foot Y d. 0.73 foot 5925: When fire pumps are used for other than firefighting service, each pipe connecting the other service (except for branch lines used for deck washing) must have a __________.
N a. check valve installed in the line Y b. shut off valve at a manifold near the pump N c. quick disconnect union within ten feet of the pump N d. regulator in the line set at 125 psi 6011: On a MODU, hand portable extinguishers are size(s) __________.
N a. II only N b. II and III Y c. I and II N d. I only 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. 6313: The holding power of an anchor increases when the __________.
Y a. amount of chain lying along the bottom increases N b. length of the catenary is reduced N c. mooring line tension is increased N d. amount of chain lying along the bottom decreases 6445: What is the function of wearing rings found on some centrifugal pumps?
N a. Absorb erosion of high velocity discharge stream N b. Seal pump shaft against entry of air Y c. Isolate the outlet side from the inlet side N d. Dampen the turbulent discharge flow 6505: A MODU helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least __________.
N a. 30 gallons per minute N b. 40 gallons per minute Y c. 50 gallons per minute N d. 60 gallons per minute 6735: On a MODU, each EPIRB or SART must be tested at least once __________.
N a. each week N b. every two weeks Y c. each month N d. every two months 7046: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.
N a. blows the fire back toward the vessel N b. comes over either beam N c. comes over the stern Y d. comes over the bow 7697: The distance between the bottom of the hull and the waterline is called __________.
N a. tonnage N b. reserve buoyancy Y c. draft N d. freeboard 8077: Progressive flooding on a MODU is controlled by securing watertight boundaries and __________.
N a. transferring drill water N b. dumping bulk materials Y c. pumping out flooded compartments N d. evacuating the unit 8107: What is the minimum required GML for the DEEP DRILLER in winds less than 70 knots while at a draft of 60 feet?
N a. 0.17 foot Y b. 2.63 feet N c. 4.34 feet N d. 9.12 feet 8351: What is a pinion in a jacking system?
N a. Flexible coupling N b. Flexible shaft N c. Flexible joint Y d. Gearwheel 8535: You are transferring fuel from a supply vessel to your MODU. If you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.
Y a. increase N b. decrease N c. stop N d. stabilize 8831: A jack-up, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the new starboard draft?
N a. 12 feet N b. 11 feet N c. 10 feet Y d. 9 feet 8917: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 17 fails in the closed position. You may deballast from tank 8S by pumping from tank 9S and opening valves 18 and __________.
N a. 35 N b. 21 Y c. 20 N d. 17 8983: The time required to incline from port to starboard and back to port again is called __________.
N a. initial stability N b. range of stability N c. inclining moment Y d. rolling period