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.
276: For a cargo vessel of 1,000 GT or over, on an international voyage, the required minimum pitot tube pressure from the two highest outlets when two fire pumps are operating simultaneously is approximately __________.
N a. 35 psi Y b. 50 psi N c. 70 psi N d. 100 psi 328: A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?
N a. Dermal burn Y b. Third-degree burn N c. Major burn N d. Lethal burn 362: Water fog from an all-purpose nozzle may be used to __________.
N a. fight an electrical fire N b. fight a magnesium fire Y c. eliminate smoke from a compartment N d. All of the above 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 501: 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-0010
N a. 1292 tons Y b. 1248 tons N c. 1211 tons N d. 1172 tons 812: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.
Y a. at the seat of the fire, starting at the near edge N b. to bank off a bulkhead onto the fire N c. over the top of the fire N d. at the main body of the fire 1000: A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?
N a. The vessel has negative GM. N b. The center of gravity is on the centerline. N c. The list can be corrected by reducing KM. Y d. The vessel has asymmetrical weight distribution. 1143: For pumping the bilges, a 54 foot long "T-Boat", which is not a ferry, but is certificated to carry 30 passengers, must be fitted with at least __________.
N a. one fixed power pump and one portable hand pump N b. one fixed hand pump and one portable hand pump N c. two portable hand pumps Y d. either "A" or "B" 1172: What could result in an incorrect oxygen concentration reading on the oxygen indicator?
N a. Exposure to carbon dioxide for no more than 1 minute Y b. Exposure to carbon dioxide for more than 10 minutes N c. Exposure to a very low concentration of sulfur dioxide for no more than 2 minutes N d. None of the above 1219: 46 CFR Subchapter T requires that rigid plastic or other nonmetallic piping __________.
N a. only be used in non-vital systems N b. not be used in gasoline or diesel fuel systems N c. have approved metallic fittings and cutoff valves where it penetrates a watertight deck or bulkhead Y d. All of the above 1226: For what purpose may gasoline be used on small passenger vessels?
N a. Heating N b. Lighting N c. Cooking Y d. None of the above 1235: Which procedure should NOT be done for a person who has fainted?
N a. Revive the person with smelling salts. N b. Loosen the clothing. N c. Lay the person horizontally. Y d. Give pain reliever. 1415: You are reading the draft marks in illustration D032DG. The water level forward is at the top of the 8, and the mean water level aft is at the top of the 8. What is the mean draft?
Y a. 8'06" N b. 8'03" N c. 8'00" N d. 7'06" 1437: You are in a lifeboat when you sight the stars. You will be heading due north when you head for Polaris which is indicated by which letter? (D007SA )
Y a. F N b. G N c. J N d. K 1613: Steering a motor lifeboat broadside to the sea could cause it to __________.
Y a. capsize N b. run smoother N c. run faster N d. sink 1731: Coast Guard Regulations permit which of the following systems to be used for fire prevention and the simultaneous inerting of cargo tanks on tank vessels?
Y a. An inert gas system N b. The deck foam system N c. The fire main system N d. A fixed water spray system 1812: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.
Y a. apparent wind moves forward N b. heeling moment decreases N c. side slip decreases N d. speed increases 1834: The liquid mud tanks on your vessel measure 20'L by 18'B by 7'D. The vessel's displacement is 986 T and the specific gravity of the mud is 1.6. What is the reduction in GM due to 2 of these tanks being slack?
N a. .09 foot N b. .45 foot Y c. .88 foot N d. 1.35 feet 1892: What is the required amount of time that a SART's battery must be able to operate the unit in the standby mode?
N a. 8 hours N b. 2 days N c. 3 days Y d. 4 days 1988: You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 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. 2.54 feet N b. 2.85 feet Y c. 3.11 feet N d. 3.55 feet 1999: Which channel and mode should be used when initiating a Distress alert transmission?
N a. Channel 6 DSC N b. Channel 6 Radiotelephony N c. Channel 13 Radiotelephony and Channel 16 DSC Y d. Channel 70 DSC 2031: Which condition is NOT necessary for a combustible liquid to burn?
N a. The temperature of the substance must be equal to or above its fire point. N b. The air must contain oxygen in sufficient quantity. N c. The mixture of vapors with air must be within the "explosive range." Y d. All of the above are necessary for a combustible liquid to burn. 2076: A cargo tank that is initially gas freed, can be inerted by introducing inert gas by a process known as __________.
N a. dilution N b. displacement N c. precipitation Y d. Either A or B 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 2530: Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2573: Medical treatment aboard a MODU should not go beyond examination and emergency care without first consulting __________.
N a. the designated medic aboard N b. the shore based superintendent Y c. a medical doctor N d. the approved company medical manual 2603: Where is the keel generally located on a MODU?
N a. Along the midships axis Y b. Along the centerline of the lower hulls N c. Along the roll axis of the hull N d. Along the axis of rotation of the hull 2628: What normally helps in detecting escaping gas?
N a. Running hand along pipe N b. Red flame Y c. Odor N d. Increase the line pressure 2757: A simplified construction plan may be included in the MODU construction portfolio provided it adequately defines the __________.
Y a. areas where special materials are used N b. hazardous areas N c. location of emergency repair equipment N d. type and strength of materials used 2853: What can be used to measure the percentage of oxygen inside a confined space?
N a. Flame safety lamp N b. Combustible gas indicator Y c. Oxygen indicator N d. H2S meter 2932: What is FALSE concerning the use of unicellular plastic foam work vests on small passenger vessels? (small passenger vessel regulations)
Y a. They may be substituted for up to 50% of the required life jackets. N b. They shall be of an approved type. N c. They shall be stowed separately from required lifesaving equipment. N d. They may be worn by crew members when working near or over the water. 3138: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 20 while using a single belt loader to arrive at a desired mean keel draft of 29'-06"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)
N a. 1550 tons Y b. 2920 tons N c. 3010 tons N d. 3515 tons 3185: Control of flooding on a MODU should be addressed __________.
N a. first Y b. following control of fire N c. following restoration of vital services N d. only if a threat exists 3229: The engine head, block, and exhaust manifold shall be __________. (small passenger vessel regulations)
Y a. water jacketed N b. air cooled N c. preheated prior to starting N d. drained weekly 3239: Your tow includes a loaded chlorine barge. After inspecting the tow, the mate reports that he hears a hissing sound coming from the safety valves. Where will you find information on emergency procedures concerning the uncontrolled release of cargo?
N a. Barge's Certificate of Inspection Y b. Cargo Information Card on your towboat N c. Cargo Manifest or loading paper N d. Dangerous Cargo Regulations 3341: Inflatable liferafts are provided with a __________.
N a. Very pistol Y b. towing connection N c. portable radio N d. canned milk 3701: While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice accumulates on the DEEP DRILLER at an estimated height of 127 feet. Assuming no corrective ballasting, what is the rise in the height of the center of gravity corrected for longitudinal free surface effects?
N a. 2.62 feet N b. 2.20 feet Y c. 1.03 feet N d. 0.71 foot 3724: Physical exertion on the part of a person who has fallen into cold water would __________.
N a. be the best thing to try if there was no rescue in sight N b. increase survival time in the water Y c. increase the rate of heat loss from the body N d. not affect the heat loss from the body 3755: To reduce mild fever the MOST useful drug is __________.
N a. bicarbonate of soda N b. paregoric Y c. aspirin N d. aromatic spirits of ammonia 3810: If help has not arrived in 10-12 hours after having abandoned an OSV in a survival craft, you should __________.
N a. go in one direction until the fuel runs out N b. plot course for the nearest land N c. take a vote on the direction in which to go Y d. shutdown the engines and put out the sea anchor 3872: For an OSV not on an international voyage, an approved substitute for an impulse projected type line throwing appliance is a __________.
N a. spring-loaded line thrower N b. hand thrown buoyant line Y c. shoulder type line throwing gun N d. heaving line 3877: On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve __________.
N a. 8 N b. 19 N c. 20 Y d. 48 3986: A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed N b. remain on course but slack the speed N c. change course to put the wind on either beam and increase speed Y d. change course and put the stern to the wind 4031: The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, and FSMT = 18,732 foot-long tons. What is the metacentric height corrected for transverse free surface effects?
N a. 5.66 feet N b. 7.37 feet Y c. 8.02 feet N d. 54.82 feet 4093: Towing vessels of more than 39.4 feet in length must carry charts or maps _____________ .
N a. of the area to be navigated N b. with enough detail to make safe navigation possible N c. of the current edition or currently corrected edition Y d. All of the above 4102: The center of the underwater volume of a floating vessel is the __________.
Y a. center of buoyancy N b. center of flotation N c. uncorrected height of the center of gravity of the vessel N d. center of gravity of the vessel corrected for free surface effects 4290: If you use obscene, indecent, or profane language over the radiotelephone, you can be __________.
N a. assessed a fine of up to $5,000, imprisonment of up to three years, or both Y b. assessed a fine not to exceed $11,000, imprisonment of not more than two years, or both N c. assessed a fine not to exceed $20,000 N d. imprisoned up to five years 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 5124: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". 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-0173
Y a. 1.05 feet N b. 1.15 feet N c. 1.25 feet N d. 1.31 feet 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 5695: The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the __________.
Y a. natural pitch period N b. metacentric height N c. height of the righting arm N d. righting moment 5897: The type of shackle used in making up tow lines to a MODU should be __________.
N a. screw pin N b. chain N c. anchor Y d. safety 6843: With regard to the opening and closing of watertight integrity appliances not fitted with a remote operating control or alarm system, what must the Master or person in charge of a MODU enter in the logbook?
N a. The time required to close the appliances Y b. The reason for opening or closing each appliance N c. The name of the person performing the opening and closing of such appliances N d. The fact that the hull indicators functioned or not 6897: Who shall insure that all records required by regulations are retained on board a mobile offshore drilling unit involved in a casualty?
N a. Officer in Charge, Marine Inspection Y b. Owner N c. Pilot N d. Engineer 7066: What does blowing tubes accomplish?
N a. Eliminates unburned fuel oil residues from the firebox Y b. Increases boiler efficiency N c. Flushes away mineral deposits inside the water tubes N d. Cleans soot deposits from the inside of the stack 7675: To calculate the free surface correction, it is necessary to divide the free-surface moments by the __________.
N a. total weight of liquid loads Y b. total displacement N c. lightweight N d. deadweight 8053: At a speed of 6 knots the fuel aboard a survival craft should last __________.
N a. 8 hours N b. 12 hours Y c. 24 hours N d. 48 hours 8215: In the piping systems of a MODU, what type of valve gives the least resistance to fluid flow when fully open?
N a. Globe valve N b. Butterfly valve Y c. Gate valve N d. Packless valve 8681: The DEEP DRILLER, while loaded as shown in the Sample Load Form #5, loads 275.8 long tons. The resulting trim by the stern is 3 feet and list to port is 2 feet. What is the draft at the starboard aft draft mark?
N a. 44 feet 6 inches N b. 47 feet 0 inches Y c. 47 feet 6 inches N d. 48 feet 6 inches 9306: When two generators are operating in parallel, what will happen if one engine driving a generator shuts down?
N a. The generator that's still running will motorize. N b. Both generators will immediately shut down. N c. The running generator's circuit breaker will immediately trip on overload. Y d. The stalled generator's circuit breaker will trip on reverse power.