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.
52: Which statement is TRUE concerning inert gas systems on tank vessels?
Y a. Flue gases from the ship's boilers are used in some systems. N b. Helium is the preferred inert gas. N c. Using the system accelerates the rusting of the tanks. N d. All of the above 183: Which statement is TRUE concerning an inflatable liferaft?
N a. The floor may be inflated for insulation from cold water. N b. Crew members can jump into the raft without damaging it. N c. The raft may be boarded before it is fully inflated. Y d. All of the above 349: A marine radar system for surface navigation must be fitted on all ocean or coastwise vessels of over __________.
N a. 1,400 GT N b. 1,500 GT Y c. 1,600 GT N d. 1,700 GT 405: A vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast must have __________.
Y a. a fixed piping system for ballast discharge to a reception facility N b. a discharge outlet for the ballast system on each side of the weather deck N c. one portable adapter for a shore connection to the ballast line N d. All of the above 406: A SOLAS passenger ship safety certificate is required on all __________.
N a. T-Boats carrying more than 49 passengers for hire Y b. T-Boats that carry more than 12 passengers on an international voyage N c. T-Boats carrying more than 150 passengers for hire N d. large excursion vessels on lakes, bays, sounds, and river routes 525: What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker?
N a. 46 CFR Part 15 (Manning) N b. Certificate of Inspection Y c. Oil Transfer Procedures Manual N d. IOPP Certificate 555: The transfer procedures for oil products are required to be posted __________.
N a. in the pilothouse N b. in the officer's lounge N c. in the upper pumproom flat Y d. where they can be easily seen or readily available 842: As compared to carbon dioxide, dry chemical has which advantage?
N a. Cleaner N b. Effective on metal fires Y c. Greater range N d. More cooling effect 908: If ignited, which material would be a class B fire?
N a. Magnesium N b. Paper N c. Wood Y d. Diesel Oil 917: Foam-type portable fire extinguishers are most useful in combating fires involving __________.
N a. solid materials such as wood or bales of fiber Y b. flammable liquids N c. electrical equipment N d. metallic solids 1394: In each inflatable liferaft, what equipment is provided to make quick, emergency, temporary repairs to large holes in the raft?
N a. No equipment is provided. N b. Glue and rubber patches Y c. Several various-sized sealing clamps N d. Self-adhesive rubberized canvas patches 1479: If your vessel is aground at the bow, it would be preferable that any weight removals be made from the __________.
Y a. bow N b. mid-section N c. stern N d. All of the above 1562: Drinking salt water will __________.
N a. protect against heat camps N b. prevent seasickness N c. be safe if mixed with fresh water Y d. dehydrate you 1608: Cold water, in commercial fishing, means water where the monthly mean low water temperature is normally __________.
N a. 39°Fahrenheit or less N b. 44°Fahrenheit or less N c. 49°Fahrenheit or less Y d. 59°Fahrenheit or less 1713: Line throwing equipment should NOT be operated __________.
N a. during a rain storm Y b. in an explosive atmosphere N c. near a liferaft canister N d. by other than licensed officers 1909: On a passenger vessel, the vessel's name must appear on __________.
N a. ring life buoy N b. lifeboats N c. lifeboat oars Y d. All of the above 1983: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
N a. Electricity Y b. Chain reaction N c. Pressure N d. Smoke 1995: Who is responsible for insuring that each survival craft on a mobile offshore drilling unit is cleaned and inspected once a year?
N a. The certificated lifeboatman assigned to that craft N b. The certificated able seaman assigned to that craft N c. The Coast Guard inspecting officer Y d. The designated person in charge of the rig 2058: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. crude oil washing N b. Loading N c. discharging Y d. All of the above 2135: 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-0051
N a. 395 tons Y b. 530 tons N c. 750 tons N d. 990 tons 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° 2424: Which statement pertaining to log keeping is TRUE?
N a. Entries relating to pre-voyage, pre-departure and daily tests are required Y b. Both A and C N c. All Distress, Urgent and Safety communications that affect the station's own ship must be logged N d. Routine daily MF-HF and INMARSAT-C transmissions do not have to be logged 2647: Which statement concerning GMDSS Radio Operator requirements is FALSE?
N a. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea. N b. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well. Y c. Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications. N d. While at sea, adjustments to, and the maintaining of, GMDSS equipment may be performed by the GMDSS Radio Operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer. 2680: You are loading benzyl chloride and a small quantity spills on deck. According to the Chemical Data Guide, which of the following may be used as a substitute for water for the cleanup procedure?
N a. Alcohol N b. Sodium bisulfite Y c. Sodium carbonate N d. Soda ash solution 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° 3022: Vessels operating in warm water whose routes are restricted to 20 miles from a harbor of safe refuge shall carry life floats or buoyant apparatus for not less than __________. (small passenger vessel regulations)
N a. 25% of all persons on board Y b. 50% of all persons on board N c. 75% of all persons on board N d. 100% of all persons on board 3027: If the result of loading a MODU is an increase in the height of the center of gravity, there will always be an increase in the __________.
N a. metacentric height N b. righting arm N c. righting moment Y d. vertical moments 3040: A vessel's drafts are: FWD 19'-00", AFT 21'-10". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 4819 tons N b. 4982 tons N c. 5012 tons N d. 5099 tons 3257: A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. To maintain draft, ballast is discharged from a height of 20 feet. What is the change in KG?
Y a. 1.5 feet upward N b. 1.5 feet downward N c. 0.8 foot upward N d. 0.8 foot downward 3383: The DEEP DRILLER, at a mean draft of 45 feet, has a three-foot trim by the stern and a two-foot list to port. What is the draft at the starboard forward draft mark?
Y a. 42.5 feet N b. 44.5 feet N c. 45.5 feet N d. 47.5 feet 3479: A feature of an inflatable raft which helps keep people stationary in rough weather is __________.
N a. lashings on the floor of the raft for the passenger's feet N b. straps from the overhead Y c. lifelines on the inside of the raft N d. ridges in the floor of the raft 3640: How should the number "2" be pronounced when spoken on the radiotelephone?
N a. NUM-BER-TOO Y b. BEES-SOH-TOO N c. DOS-SOH-TU N d. NEM-MARL-TWO 3662: You are on a Mariner class cargo vessel. Your drafts are: FWD 24'-00", AFT 25'-08". You wish to increase the calculated GM of 3.0' to 4.1'. What tanks should you ballast? (Use the white pages in the Stability Data Reference Book.)
N a. Tanks: DB3, DT1A N b. Tanks: DB2, DB6, DT6 N c. Tanks: DB 3, FB7, DT1 Y d. Tanks: DB4, DT6 3823: What is the change in vertical moments for the DEEP DRILLER if 103.48 long tons of ballast is discharged from a full ballast tank 1P?
N a. 6,707 foot-tons decrease N b. 4,984 foot-tons decrease Y c. 1,914 foot-tons decrease N d. 155 foot-tons decrease 3913: The DEEP DRILLER, at a draft of 60 feet, has 50,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?
Y a. 45.3 long tons N b. 90.6 long tons N c. 118.1 long tons N d. 236.1 long tons 3922: You have abandoned ship and are in an inflatable raft that has just inflated. You hear a continuous hissing coming from a fitting in a buoyancy tube. What is the cause of this?
N a. The saltwater is activating the batteries of the marker lights on the canopy. N b. The inflation pump is in automatic operation to keep the tubes fully inflated. N c. A deflation plug is partially open allowing the escape of CO2. Y d. Excess inflation pressure is bleeding off and should soon stop. 4011: If you fail to notify the Coast Guard of an oil spill, you may be imprisoned up to __________.
N a. 1 year N b. 2 years N c. 3 years Y d. 5 years 4055: In the DEEP DRILLER, VCG is obtained from the sum of the vertical moments by __________.
N a. adding displacement N b. subtracting displacement N c. multiplying by displacement Y d. dividing by displacement 4063: In the DEEP DRILLER, the longitudinal free surface correction (FSCL) is obtained from the total of the longitudinal free surface moments (FSML) by __________.
N a. adding the LCG N b. subtracting the LCG N c. multiplying by displacement Y d. dividing by displacement 4274: Your vessel is greater than 100 GRT and carries more than 12 passengers. In addition to the licensed deck officer in the pilothouse, there should be on watch an additional crew member __________.
N a. always in the pilothouse N b. on lookout on the bow Y c. in or near the pilothouse N d. only when visibilty is restricted 4525: Preload tank 22B on the COASTAL DRILLER contains 5.0 feet of preload. It is decided to complete filling the tank. What is the TCG of the added liquid?
N a. 65.60 feet N b. 65.74 feet N c. 65.77 feet Y d. 65.83 feet 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 4573: The total leg load reactions on an independent leg, self-elevating unit include static and __________.
Y a. environmental loading N b. variable loading N c. fixed loading N d. basic loading 4683: What is the change in longitudinal moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
N a. 1,671 ft-kips N b. -161 ft-kips N c. -4,708 ft-kips Y d. -20,052 ft-kips 4813: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KML if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 253.90 feet N b. 253.24 feet Y c. 252.92 feet N d. 252.24 feet 5081: What color are obstruction lights on mobile offshore drilling units that are located on the waters of the U.S. Outer Continental Shelf seaward of the line of demarcation?
Y a. White N b. Red N c. Yellow N d. Blue 5611: The full period of motion of the DEEP DRILLER while tripping is 8 seconds and the maximum pitch angle as seen on the inclinometers is 4 degrees. From the standpoint of critical motion, the motion is __________.
N a. unsatisfactory, place setback in the pipe racks Y b. satisfactory, continue tripping N c. unsatisfactory, deballast to survival draft N d. unsatisfactory, place unit in standby 5927: A fire main system must have enough fire hydrants so that each accessible space may be sprayed with __________.
N a. a low velocity spray applicator N b. a water spray or solid stream Y c. at least two spray patterns of water N d. at least 25 psi delivered pressure 6088: What is the meaning of the signal DX RQ when sent by the International Code of Signals?
Y a. Are you sinking? N b. The call sign of a vessel registered in the Philippines. N c. The damage can be repaired at sea. N d. There are no tugs available. 6551: When referring to quantity of barite in a P-tank, ullage is the __________.
N a. distance of the barite surface above the tank bottom N b. percentage of barite in the tank Y c. distance of the barite surface below the tank cover N d. total weight of barite in UPC (ullages per centimeter) 6661: On a self-elevating drilling unit, draft marks must be located __________.
Y a. near each corner of the hull N b. at frame O, port and starboard N c. at bow and stern on the centerline N d. on each leg 6711: Immersion suits must be stowed __________.
N a. in the pilothouse N b. on top of lockers Y c. where readily accessible N d. on open deck areas 6845: After conducting a boat drill on a mobile offshore drilling unit, what must the Master or person in charge enter in the in the logbook?
Y a. Any inoperative equipment and the corrective action taken N b. The name of the lifeboatman in charge of each lifeboat N c. The location of the vessel at the time of the drill N d. The time it took to lower the boat 6857: Prior to getting underway, the Master or person in charge of a MODU must __________.
N a. conduct a fire drill N b. conduct a boat drill Y c. log the fore and aft draft marks N d. test the emergency generator 7113: Fire extinguishers used on MODU's are numbered by size I through V, with I being __________.
N a. used for electrical fires only Y b. the smallest N c. the most accessible N d. the most effective 7786: The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to __________.
N a. shield fire fighters from radiant heat Y b. break up burning material N c. get the most water possible on the fire N d. drive heat and smoke ahead of the fire fighters 8737: The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the mud weight was changed from 16 to 14 pounds per gallon?
N a. No change Y b. 93.34 long tons N c. 121.91 long tons N d. 135.13 long tons 9323: A fuel-air mixture below the lower explosive limit is too __________.
N a. rich to burn Y b. lean to burn N c. cool to burn N d. dense to burn 9412: Radiation spreads a fire by __________.
N a. transmitting the heat of a fire through the ship's metal N b. burning liquids flowing into another space N c. heated gases flowing through ventilation systems Y d. the transfer of heat across an unobstructed space 9672: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
N a. not rotate personnel, as the consistent attack can extinguish the fire quickly. Y b. stand erect, to avoid the heat of the deck N c. station personnel on the hot deck, immediately above the fire, to observe for its potential spread N d. All of the above