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.
1: Your vessel is on an even keel. The MT1 of your vessel is 1000 ft-tons. How many tons of cargo must be loaded in number 4 hold which is 100 feet abaft the tipping center, if she is to have a 2 foot drag?
N a. 90 tons N b. 100 tons N c. 130 tons Y d. 240 tons 239: Which statement about the free surface correction is TRUE?
N a. It is added to GM at light drafts and subtracted at deep drafts. N b. It is increased if the slack tank is not on the centerline. N c. It is decreased if the slack tank is below the KG of the vessel. Y d. The correction decreases as the draft increases due to loading dry cargo. 350: The most detrimental effect on initial stability is a result of liquids __________.
N a. flowing from side to side within the vessel N b. flowing from fore to aft within a vessel Y c. flowing in and out of a holed wing tank N d. pocketing in a slack tank as a vessel heels 463: When water-cooled engines are installed on small passenger vessels, the cooling system __________.
N a. pump must operate whenever the engine is operating N b. must have a suitable hull strainer in the raw water intake N c. may use a closed fresh water system Y d. All of the above 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 817: An accommodation ladder or other equally safe and convenient means must be provided for a pilot whenever the distance from the sea level is more than __________.
N a. 20 feet Y b. 30 feet N c. 40 feet N d. 50 feet 873: On small passenger vessels which parts of a water-cooled gasoline or diesel engine must be water-jacketed and cooled?
N a. The engine's head N b. The block N c. The exhaust manifold Y d. All of the above 942: A fifteen-pound CO2 extinguisher __________.
Y a. contains 15 pounds of CO2 N b. weighs 15 pounds when full of CO2 N c. has 15 pounds of pressure at the nozzle N d. weighs 15 pounds when empty 945: The color of rockets, shells, or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is __________.
N a. white N b. green Y c. red N d. yellow 1075: Prior to lowering the lifeboat, the most important item to check is the __________.
N a. oars N b. sail Y c. boat plug N d. life preservers 1115: When launching a lifeboat, the tricing pennants should be released __________.
N a. before the boat is lowered from the stowed position N b. as the boat-fall blocks break clear of the davit head Y c. before the boat is lowered from the embarkation level N d. after the boat is released into the water 1224: In order to retrieve an inflatable liferaft and place it on deck, you should heave on the __________.
N a. lifelines N b. righting strap N c. sea anchor Y d. towing bridle 1285: You have abandoned ship and find yourself aboard a lifeboat in a heavy sea. Your boat is able to make way through the water. To prevent broaching, you should __________.
N a. put the sea on your stern and run as fast as the boat will go N b. take no action to prevent broaching as this is a recommended maneuver in a heavy sea Y c. head the boat into the swells to take them at a 30 to 40 degree angle on either bow and run as slow as possible without losing steerage N d. place everyone as far forward in the boat as possible to keep the bow heavy 1517: A double male coupling is one that __________.
N a. has left hand twist N b. has inside threads on both ends Y c. has outside threads on both ends N d. takes two men to operate 1696: Which statement(s) is(are) TRUE?
N a. Polyester sailcloth, such as Dacron, is resistant to rot due to moisture but susceptible to UV degradation and should be kept covered as much as possible. N b. Canvas sailcloth is susceptible to rot due to moisture and should never be covered when wet. N c. Kevlar sail cloth is susceptible to weakening due to repeated folding and therefore should be draped loosely over the boom when stowed. Y d. All of the above are true. 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 1845: What is the minimum number of hand held, rocket propelled, parachute, red flare, distress signals required on board offshore drilling units?
N a. 4 N b. 8 Y c. 12 N d. 16 2002: You have 420 tons of below deck tonnage and 150 tons of above deck cargo on board. You must load 135 tons of liquid mud below deck. How much more deck cargo can you load? (See the trim and stability letter for M.V. Hudson, illustration D036DG.) (D036DG )
Y a. 90 tons N b. 140 tons N c. 155 tons N d. 240 tons 2075: The SS NORTHLAND is loaded to drafts: FWD 28'-06", AFT 29'-10". The KG is 27.4 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. 3.7° N b. 4.4° Y c. 5.0° N d. 6.5° 2105: If a davit-launched liferaft aboard a MODU cannot be launched because of damage to the davit, you should __________.
N a. inflate the liferaft on deck Y b. roll the liferaft over the side N c. go to another liferaft station N d. get a saw and cut the liferaft free 2499: What is an example of a grade B flammable liquid?
N a. Allyl alcohol N b. Phenol N c. Acetaldehyde Y d. Carbon disulfide 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 2764: If you wear extra clothing when entering the water after abandoning ship it will __________.
N a. weigh you down Y b. preserve body heat N c. reduce your body heat N d. make it more difficult to breathe 2819: Distress flares and smoke signals are not required on vessels operating on short runs. A "short run" is limited to __________. (small passenger vessel regulation)
N a. water of less than 20 feet in depth N b. where land is always in sight N c. no more than 5 miles Y d. about 30 minutes away from the dock 2829: Aboard small passenger vessels the steering gear, signaling whistle, controls, and communication system shall be tested by the Master __________.
N a. once a week Y b. before getting underway for the day's operation N c. at every inspection and reinspection N d. at least once in every 48 hours 2911: In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by __________.
N a. ventilation Y b. convection N c. radiation N d. conduction 2966: Each vessel shall be dry-docked or hauled out at intervals not to exceed 2 years if operated in salt water for a total of more than __________. (small passenger vessel regulations)
Y a. 3 months in any 12 month period since it was last hauled out N b. 6 months in the 3 year period since it was last hauled out N c. 12 months in the 5 year period since it was last hauled out N d. whenever ownership or management changes 3054: Your sailing drafts are: FWD 22'-04", AFT 23'-06" and the GM is 3.2 feet. What will be the angle of list if #3 starboard double bottom (capacity 97 tons, VCG 2.5 feet and 23 feet off the centerline) is filled with saltwater? (Use the data in Section 1, the blue pages, of the Stability Data Reference Book)
N a. Less than 1° Y b. 3° N c. 7° N d. 11° 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 3249: 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-0116
Y a. 231.0 ft N b. 234.3 ft N c. 244.6 ft N d. 251.5 ft 3272: Where should life jackets be stowed? (Small Passenger Vessel Regulations)
N a. In the forepeak N b. In the wheelhouse Y c. Throughout the accommodation spaces N d. In locked watertight and fireproof containers on or above the main deck 3337: Aboard a MODU, multiplying a load's weight by the distance of the load's center of gravity from the centerline results in the load's __________.
N a. LCG Y b. transverse moment N c. righting moment N d. inclining moment 3352: Which personal lifesaving device(s) is(are) approved for use on a towboat 150 feet in length? (Uninspected Vessel Regulations)
Y a. Life preserver N b. Buoyant vest or cushion N c. Special purpose safety device N d. All of the above 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 3668: 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-0146
N a. 920 tons N b. 1120 tons N c. 1245 tons Y d. 1545 tons 3736: The most effective treatment for warming a crew member suffering from hypothermia is __________.
N a. running or jumping to increase circulation N b. raising body temperature rapidly by placing hands and feet in hot water Y c. bundling the body in blankets to rewarm gradually N d. laying prone under heat lamps to rewarm rapidly 3819: If there are a number of survivors in the water after abandoning an OSV and no rescue craft are in sight, they should __________.
N a. tie themselves to the unit to avoid drifting with the current Y b. group to form a small circle of survivors to create a warmer pocket of water in the center of the circle N c. send the strongest swimmer to shore for assistance N d. from a raft by lashing their life jackets together 3826: You have abandoned ship and are in charge of a liferaft or survival craft. How much water per day should you permit each person to have after the first 24 hours?
N a. 1 can Y b. 1 pint N c. 1 quart N d. 1 gallon 3867: Each OSV must carry __________.
N a. one category I 406 Mhz satellite EPIRB N b. at least one life buoy on each side of the vessel fitted with a buoyant life line N c. at least 12 rocket parachute flares Y d. All of the above 3923: Among the valves that must be opened on the DEEP DRILLER to pump bilge water out of the port pump room using the #1 bilge pump is valve __________.
N a. 28 N b. 36 Y c. 41 N d. 42 3969: The sea anchor shown as item number 14 will NOT __________. (D014SA )
N a. check the liferaft's way N b. keep the liferaft end on to the sea N c. reduce the possibility of capsizing or broaching Y d. right the raft if it inflates inverted 3977: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new longitudinal free surface correction?
N a. 1.63 feet N b. 1.65 feet Y c. 1.67 feet N d. 1.69 feet 4028: Fire protection regulations for towing vessels allow all of these types of fuel piping, EXCEPT ____________ .
N a. steel N b. aluminum in an aluminum-hulled vessel Y c. schedule 80 fire resistant plastic pipe N d. nickel-copper, copper-nickel or annealed copper 4035: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the new KGL?
N a. 52.60 feet N b. 53.65 feet Y c. 54.32 feet N d. 54.92 feet 4149: Rudder position is shown on the bridge by the __________.
Y a. rudder angle indicator N b. follow-up gear N c. telemotor position N d. Rapson slide indicator 4194: You are loading in a port governed by the tropical load line mark for a voyage to a port governed by the winter mark. The fresh water allowance is 5 inches, and the hydrometer reads 1.005. Which statement is TRUE?
N a. You may load to the tropical mark plus 1 inch brackish water allowance. Y b. You must load so that each zone mark will not be submerged upon entering the zone. N c. Your draft must not exceed the winter mark plus the fresh water allowance upon arrival off the discharge port. N d. You may only load to the winter mark plus a brackish water allowance of 4 inches. 4195: The motions of the COASTAL DRILLER during a normal transit when wind speeds are less than 70 knots are limited by __________.
N a. stability N b. deck edge immersion N c. wave heights Y d. leg strength 5433: It is vital to the safety of the elevated COASTAL DRILLER that the hull be kept above __________.
N a. the charted water depth N b. the charted water depth plus tidal corrections N c. the still water level Y d. wave action 5598: Fire dampers prevent the spread of fire by __________.
N a. direct contact N b. radiation Y c. convection N d. conduction 5681: The DEEP DRILLER may remain at operating draft instead of deballasting to survival draft when __________.
N a. critical motion limits have been exceeded N b. waves approach within two feet of the spider deck N c. the maximum wave height is greater than 64 feet Y d. winds are less than 70 knots 5747: If the water depth is 500 feet, the length of the pendant wire from the anchor to the buoy is typically __________.
N a. 400 feet N b. 500 feet Y c. 600 feet N d. 1000 feet 6397: A well kick while drilling from a MODU will cause __________.
Y a. increased fluid level in the mud pits N b. decreased fluid level in the mud pits N c. increased cuttings on the shale shaker N d. decreased cuttings on the shale shaker 6627: A cutoff valve in the fire-main system of a MODU may be closed to protect the portion of the system on an exposed deck from __________.
N a. damage from crane operations N b. being used for wash down purposes N c. accidental diversion of flow to wrong location Y d. freezing 6761: Each distress signal and self-activated smoke signal must be replaced not later than the marked date of expiration, or, from the date of manufacture, not later than __________.
N a. 6 months N b. 12 months N c. 24 months Y d. 42 months 7037: Epilepsy is a chronic nervous disorder characterized by __________.
N a. severe nausea and cramps Y b. muscular convulsions with partial or complete loss of consciousness N c. sudden thirst and craving for candy N d. severe agitation and desire to get out of closed spaces 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 9535: When stability of a vessel is neutral, the value of GM __________.
N a. only depends on the height of the center of gravity N b. only depends on the height of the metacenter N c. is greater when G is low Y d. is zero 9612: What would be a major consequence of the refrigeration system for a low-pressure CO2 fixed fire extinguishing system remaining inoperable?
Y a. The entire charge might eventually be lost due to CO2 venting out through the relief valve. N b. Liquid CO2 would vent out through the safety valve as the temperature increases. N c. Excessive condensation inside the tank would freeze, causing a restriction in the discharge piping. N d. The warmed charge of CO2 would not be effective in extinguishing a fire. 9643: The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO2 required to protect that space is not more than __________.
N a. 1,000 pounds N b. 750 pounds N c. 500 pounds Y d. 300 pounds