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.
62: The deck water seal of the inert gas system __________.
N a. cools the inert gas and prevents soot from entering the cargo tanks N b. acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zone Y c. prevents the backflow of hydrocarbon gasses into nonhazardous areas N d. relieves sudden large overpressures in the system 65: The most serious effect of trapped air in a diesel engine jacket water cooling system is that it __________.
Y a. accelerates erosion N b. reduces the effectiveness of chromate additives N c. can form pockets of high chemical concentrates N d. accelerates formation of sludge deposits 182: Which abbreviation refers to the horizontal distance between perpendiculars taken at the forward-most and the after-most points on a small passenger vessel's waterline at her deepest operating draft?
Y a. LBP N b. LOA N c. LWL N d. LLL 212: In the navigable waters of the United States, Annex V to MARPOL 73/78 is NOT applicable to a(n) __________.
N a. recreational yacht N b. uninspected towing vessel N c. uninspected passenger vessel under 100 GT Y d. U.S. government vessel in non-commercial service 414: A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the __________.
N a. distress position Y b. spoken words "Mayday, Mayday, Mayday" N c. ship's name N d. ship's call letters 537: What frequency has the FCC designated for the use of bridge-to-bridge radiotelephone communications?
N a. 156.275 MHz channel 65 Y b. 156.650 MHz channel 13 N c. 157.000 MHz channel 28 N d. 157.000 MHz channel 20 558: A small passenger vessel operating on exposed or partially protected waters may not have a port light below the weather deck unless __________.
Y a. its sill is at least 30 inches above the deepest load waterline N b. it opens and has a solid, inside, hinged cover N c. it is made of thick transparent plastic N d. it is sealed shut 558: A small passenger vessel operating on exposed or partially protected waters may not have a port light below the weather deck unless __________.
Y a. its sill is at least 30 inches above the deepest load waterline N b. it opens and has a solid, inside, hinged cover N c. it is made of thick transparent plastic N d. it is sealed shut 587: Which vessel is NOT required to have a radiotelephone?
N a. A 34-foot vessel engaged in towing N b. A dredge operating in a channel N c. A vessel of 100 GT carrying 50 passengers for hire Y d. A 12-meter private yacht 634: You are fighting a fire in a watertight compartment using hoses and salt water. Stability may be reduced because of __________.
N a. progressive downflooding N b. reduction of water in the storage tanks Y c. increase in free surface which reduces the metacentric height N d. reduction of KG to the minimum allowable 822: When electrical equipment is involved in a fire, the stream of dry chemicals should be __________.
Y a. aimed at the source of the flames N b. fogged above the equipment N c. shot off a flat surface onto the flames N d. used to shield against electrical shock 1032: When used to fight fire, carbon dioxide __________.
Y a. is effective if used promptly on an oil fire N b. has a greater cooling effect than water N c. is lighter than air N d. is harmless to cargo and crew 1037: What is the minimum size power-driven vessel, not engaged in towing, required to comply with the vessel bridge-to-bridge radiotelephone regulations?
N a. 50 meters N b. 25 meters Y c. 20 meters N d. 12 meters 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 1282: When approaching a fire from leeward you should shield fire fighters from the fire by using __________.
N a. a straight stream of water N b. foam spray Y c. high-velocity fog N d. low-velocity fog 1535: Limit switches __________.
N a. control the descent rate of a lifeboat N b. control the ascent rate of a lifeboat Y c. cut off power to the winch when the lifeboat nears the final stowed position N d. cut off power to the winch when the lifeboat reaches the davit bumpers 1536: Which types of portable fire extinguishers are designed for putting out electrical fires?
N a. Foam and water (stored pressure) N b. Foam and carbon dioxide N c. Foam and dry chemical Y d. Dry chemical and carbon dioxide 1698: To prevent a wooden hull from leaking you caulk it __________.
N a. after dry docking, while the hull is moist Y b. after dry docking, and the hull has dried N c. afloat, where it is leaking N d. afloat, in all accessible areas 1791: Where is the GMDSS Radio Logbook kept aboard ship?
N a. Attached to the Deck Logbook Y b. At the principal radio operating location N c. In the Chief Mate's office N d. In the Master's office 1861: On offshore drilling units, emergency lighting and each emergency power system must be tested at least once a __________.
N a. day Y b. week N c. month N d. year 1905: What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?
N a. Chainplate N b. Hound N c. Crowfoot Y d. Spreader 2043: How does a coast radio station communicating by HF radio normally identify itself?
N a. By its subscriber number Y b. By its call sign N c. By its MMSI N d. By its MID 2078: A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a flame __________.
N a. stopper Y b. screen N c. filter N d. restrictor 2107: What is NOT running rigging?
N a. Downhaul Y b. Backstay N c. Halyard N d. Sheet 2273: During an abandonment or drill, the first person to arrive at the survival craft should __________.
N a. pass out food and water to personnel N b. open the doors and start the sprinkler system N c. activate the emergency release handle Y d. open the doors and prepare the craft for boarding 2348: Regulations require that venting for cargo tanks in which only grades D or E liquids are to be transported shall, as a MINIMUM, be of which type? (tank barge constructed on or after July 1, 1951)
N a. Straight vents open to atmosphere N b. Individual pressure vacuum relief valves N c. Branch vent lines connected to a vent header system Y d. Gooseneck vents and flame screens 2633: A load line for a MODU is assigned by the __________.
N a. Minerals Management Service N b. Department of Energy N c. Corps of Engineers Y d. A recognized classification society approved by the Coast Guard 2638: Marine Safety Information is promulgated via satellite through which system?
N a. AMVER Y b. SafetyNET N c. NAVTEX N d. INMARSAT-M SES 2655: Support of MODU side plating is provided primarily by transverse __________.
N a. beams N b. girders Y c. frames N d. bulkheads 2749: Your vessel's drafts are: FWD 19'-03", AFT 21'-03". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 1 foot? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 62 tons N b. 68 tons N c. 74 tons N d. 78 tons 2790: The weight of liquefied petroleum gas vapors as compared to air is __________.
N a. variable N b. the same N c. lighter Y d. heavier 2815: A vessel heading WNW is on a course of __________.
N a. 270.0° Y b. 292.5° N c. 315.0° N d. 337.5° 2921: A MODU is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.
N a. positive N b. negative Y c. zero N d. vertical 2950: You have loaded a deck cargo, and the vessel has assumed a 7° list due to negative GM. Your salt water drafts are: FWD 16'-00", AFT 16'-02". If you then load 1050 tons of cargo in the lower holds (VCG 11.0 feet) and take on 600 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2.8 feet N b. 2.5 feet Y c. 1.9 feet N d. 1.5 feet 2963: Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?
N a. If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available. N b. Channel 16 (156.8) may be used for distress messages. Y c. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration. N d. Distress messages should first be transmitted on 2182 kHz. 3511: The lightweight transverse moments for the DEEP DRILLER are __________.
N a. 680,914 ft-long tons N b. 9,733 ft-long tons Y c. -5,937 ft-long tons N d. 000 ft-long tons 3534: When a passenger vessel's plans must be permanently exhibited, they are NOT required to show information on the __________.
N a. fire detection system N b. portable fire extinguishers Y c. lifeboats, liferafts, and life preservers N d. ventilation systems 3634: You are underway in mid-ocean when you hear a distress message. The position of the sender is 150 miles away. No other vessel has acknowledged the distress. Your maximum speed is 5 knots and due to the seriousness of the distress, you cannot arrive on scene to provide effective assistance. What action should you take?
N a. Do not acknowledge the distress message. N b. Send an urgency message about the distress. Y c. Use the signal MAYDAY RELAY and transmit the distress message. N d. Transmit a message as though your vessel was in distress. 3645: Signaling devices which are required on inflatable liferafts include __________.
N a. a rocket shoulder rifle N b. an oil lantern Y c. red flares N d. an air horn 3894: A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry __________.
N a. 8 liters of fresh water N b. 12 units of provisions Y c. 12 liters of fresh water N d. 24 units of provisions 4082: A towing vessel is NOT required to be fitted with radar if it is ____________ .
Y a. used solely for assistance towing N b. under 65 feet in length N c. used exclusively on the Western Rivers N d. pushing ahead 4231: A tanker loads at a terminal within the tropical zone. She will enter the summer zone five days after departing the loading port. She will burn off about 45 tons/day and daily water consumption is 8 tons. How many tons may she load over that allowed by her summer load line?
N a. 225 N b. 235 N c. 245 Y d. 265 4345: What information must be available to use the Allowable Wind and Wave Charts for the COASTAL DRILLER?
N a. Soil conditions N b. Overturning moment Y c. Water depth N d. Specific gravity of the sea water 4481: The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of __________.
N a. 13,011 kips Y b. 13,336 kips N c. 13,445 kips N d. 14,637 kips 4645: What is the change in the vertical moments (excluding free surface effects) for the COASTAL DRILLER if 2.0 feet of drill water is transferred from a full drill water tank #23 to an empty drill water tank #6?
N a. 253 foot-kips N b. 56 foot-kips Y c. -253 foot-kips N d. -411 foot-kips 5031: For the purposes of the International Rules of the Road, a jack-up drilling rig under tow is considered to be a __________.
Y a. vessel N b. non-displacement vessel N c. power-driven vessel N d. limited vessel 5301: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in VCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?
N a. 0.19 foot down N b. 0.44 foot down Y c. 0.63 foot down N d. 1.19 feet down 5507: The American Petroleum Institute recommends magnetic particle inspection for __________.
N a. anchor chain N b. wire rope Y c. connecting links N d. pendant wires 5575: Increasing the area of the anchor flukes will __________.
Y a. increase holding power N b. decrease holding power N c. make penetration more complete N d. not effect holding power 5603: The full period of motion of the DEEP DRILLER while in transit is 7 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, change course and speed Y b. satisfactory, continue transit N c. unsatisfactory, ballast to survival draft N d. unsatisfactory, place unit in standby 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 5953: The stamped full weight of a 100 lb. CO2 bottle is 314 lbs. What is the minimum weight of the bottle before it has to be recharged?
N a. 282 lbs. N b. 294 lbs. N c. 300 lbs. Y d. 304 lbs. 6253: The Coast Guard requires machinery spaces and enclosed mud handling spaces to have __________.
Y a. remote ventilation shutdowns N b. remote pump shutdowns N c. alternative control stations N d. smoke and/or fire detection system 6615: Where are self-closing doors required on a MODU?
N a. In the galley Y b. In each stair tower N c. To each sleeping room N d. To the engine room 6737: Each EPIRB required on a MODU shall be tested using the integrated test circuit and output indicator every __________.
N a. week N b. two weeks Y c. month N d. two months 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 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 7147: What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?
Y a. Repeat the message using any other channel on which you might attract attention. N b. Key the microphone several times before transmitting again. N c. Turn up the volume on the receiver before transmitting again. N d. Report the problem to the head electrician. 8353: What power source actuates a solenoid valve?
N a. Air pressure N b. Hydraulic pressure Y c. Electric current N d. Mechanical force 9641: 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 long ton Y b. 300 pounds N c. 900 pounds N d. 1,500 pounds