USCG Safety: Master's License

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.

60: Your vessel rolls slowly and sluggishly. This indicates that the vessel __________.
148: First aid treatment for small cuts and open wounds is to __________.
361: What can be used to measure the percentage of oxygen inside a chain locker?
375: Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? 

    N a. Draining it overboard when the vessel gets underway
    Y b. Placing it in proper disposal facilities
    N c. Adding sinking agents and discharging it into the water
    N d. Mixing it with dispersants before draining it overboard
509: Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called __________. 

    N a. faking
    N b. flemishing down
    Y c. mousing
    N d. worming
510: A new crew member aboard your fishing vessel, who has not received any safety instructions or participated in any drills, reports on board. The Master must provide a safety orientation __________. 

    N a. within one week
    N b. within 24 hours
    N c. on reporting day if it occurs within normal work hours
    Y d. before sailing
559: The maximum draft of the SS AMERICAN MARINER cannot exceed 28'-08" in order to cross a bar. The present drafts are: FWD 28'-00", AFT 29'-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. 44.4 tons
    N b. 58.0 tons
    Y c. 76.7 tons
    N d. 116.0 tons
654: Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT? 

    N a. Distress messages should first be transmitted on 2182 kHz.
    N b. Channel 16 (156.8 MHz) may be used for distress messages.
    N c. If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available.
    Y d. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.
1019: You are operating 10 miles offshore with three people aboard. What kind of survival craft must you carry? 

    N a. An inflatable liferaft with a coastal pack
    N b. A life float
    N c. An inflatable buoyant apparatus
    Y d. No survival craft is required.
1021: Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating? 

    N a. Towing vessel 25 feet or less in length
    N b. Passenger vessel of 50 GT or less, carrying one or more passengers for hire
    N c. Power-driven vessels 12 meters or less in length, operating on inland waters
    Y d. Dredges engaged in operations likely to restrict navigation of other vessels in or near a channel or fairway
1042: Which danger exists to people when CO2 is discharged into a small enclosed space? 

    N a. Damaged eardrums
    N b. Electric shock
    N c. Frostbite
    Y d. Respiratory arrest
1181: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 4145 tons of cargo on board with a KG of 25.5 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-0031 

    Y a. KG 25.0 feet
    N b. KG 25.6 feet
    N c. KG 26.2 feet
    N d. KG 26.8 feet
1302: A class B fire is most successfully fought by __________. 

    Y a. preventing oxygen from reaching the burning material
    N b. cooling the burning material below its ignition temperature
    N c. using the extinguishing agent to make the burning material  fire-resistant
    N d. using the extinguishing agent to absorb the heat
1349: What type of liquid is used in the liquid P/V breaker? 

    N a. Hydraulic oil
    Y b. Water-antifreeze mixture
    N c. Distilled water
    N d. Oil from the cargo
1380: A cargo of 100 tons is to be loaded on deck 20 feet from the ship's centerline. The ship's displacement including the 100 tons of cargo will be 10,000 tons and the GM two feet. The list of the vessel after loading this cargo will be __________. 

    N a. 5.4°
    Y b. 5.7°
    N c. 5.9°
    N d. 6.1°
1585: Up to two thirds of a survival crafts required drinking water may be produced by a manually-powered reverse osmosis desalinator if it can be done in __________. 

    N a. 12 hours
    N b. 1 day
    Y c. 2 days
    N d. 4 days
1598: On board a small passenger vessel connections to electric conductors MUST be __________. 

    Y a. made within enclosures
    N b. served and parceled
    N c. installed only by a licensed marine electrician
    N d. Be inspected annually
1866: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0046 

    N a. Available GM 5.0 ft
    Y b. Available GM 5.4 ft
    N c. Available GM 6.1 ft
    N d. Available GM 6.8 ft
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
2107: What is NOT running rigging? 

    N a. Downhaul
    Y b. Backstay
    N c. Halyard
    N d. Sheet
2113: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 2865 tons of cargo on board with a KG of 27.8 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-0050 

    N a. KG 26.2 feet
    N b. KG 27.4 feet
    Y c. KG 28.5 feet
    N d. KG 29.5 feet
2212: In order to maintain speed while changing course from a close reach to a broad reach, the sails should be __________. 

    N a. lowered
    N b. reefed
    N c. hauled in
    Y d. eased out
2269: To what chemical family does ethylene oxide belong? 

    N a. Glycol ethers
    Y b. Alkylene oxides
    N c. Esters
    N d. Alcohols
2279: According to the Chemical Data Guide, when burning, the grade B flammable liquid, carbon disulfide produces __________. 

    N a. phosgene gas
    N b. sulfuric acid gas
    Y c. sulfur dioxide gas
    N d. carbon tetrachloride
2386: What are the vessel equipment and personnel requirements for GMDSS? 

    N a. Two licensed GMDSS radio operators
    N b. Equipment carriage requirements
    N c. Distress alerting and response
    Y d. All of the above
2414: The flash point of a product is 100°F. What can happen if it is heated above 110°F? 

    N a. It will boil off to the atmosphere.
    Y b. It may burn and explode if an ignition source is present.
    N c. It will become less volatile and easier to handle.
    N d. None of the above
2490: Which extinguishing agent is effective in combating an isoprene fire? 

    N a. Dry chemicals
    N b. CO2
    N c. Foam
    Y d. All the above
2507: When using a crane for transferring personnel in a basket, the load hook must be equipped with a __________. 

    N a. moused shackle
    Y b. safety latch
    N c. safety belt for each rider
    N d. quick-release device
2545: On a MODU crane, the boom indicator tells the operator what the boom angle is compared to the __________. 

    N a. vertical position
    Y b. horizontal position
    N c. boom stop angle
    N d. minimum radius angle
2602: In order to determine the health hazard data for carbolic acid, you would use that information contained in the Chemical Data Guide for which chemical? 

    N a. Acetic oxide
    N b. Carbinol
    N c. Carbon bisulfide
    Y d. Phenol
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
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
2876: The minimum number of portable B-II fire extinguishers required in the machinery space of a 199 GT motor towing vessel of 8000 B.H.P. is __________. (Uninspected Vessel Regulations) 

    N a. 3
    Y b. 6
    N c. 8
    N d. 9
2953: When the height of the metacenter has the same value as the height of the center of gravity, the metacentric height is equal to __________. 

    N a. the height of the metacenter
    N b. the height of the center of gravity
    N c. the same as half the height of the metacenter
    Y d. zero
2988: No person whose license has been revoked shall be issued another license except upon __________. 

    Y a. approval of the Commandant
    N b. taking a new examination
    N c. approval of the Officer-in-Charge, Marine Inspection
    N d. approval of an administrative law judge
3033: The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________. 

    N a. volume of liquid in the tank
    Y b. volume of displacement of the vessel
    N c. location of the tank in the vessel
    N d. height of the center of gravity of the vessel
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.
3152: U. S. Coast Guard approved work vests may be substituted life jackets __________. (Uninspected Vessel Regulations) 

    N a. aboard work vessels
    N b. aboard towing vessels
    N c. aboard sailing vessels
    Y d. under no circumstances
3153: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the port aft column below the waterline. You should pump from tank __________. 

    N a. C1S
    N b. 9S
    Y c. 10P
    N d. 2S
3205: On a sailing vessel, it is best to approach a person in the water by placing them on your __________. 

    N a. leeward side
    Y b. windward side
    N c. bow
    N d. transom
3611: Each life jacket light that has a non-replaceable power source must be replaced __________. 

    N a. every 6 months after initial installation
    N b. every 12 months after initial installation
    N c. every 24 months after initial installation
    Y d. on or before the expiration date of the power source
3892: By regulation, orange smoke distress signals will expire not more than how many months from the date of manufacture? 

    N a. 24 months
    N b. 36 months
    Y c. 42 months
    N d. 54 months
3935: To pump bilge water out of the port pump room on the DEEP DRILLER, using the #2 bilge pump, open port-side valve __________. 

    N a. 28
    N b. 36
    N c. 41
    Y d. 42
4113: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for transverse free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 

    N a. 10.42 feet
    N b. 10.87 feet
    N c. 11.50 feet
    Y d. 12.13 feet
4405: Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in __________. 

    N a. soft mud
    N b. sand
    N c. silt
    Y d. soft to firm clays
4746: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 12'-07", AFT 16'-01". 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-0167 

    N a. 1.30 feet
    Y b. 1.07 foot
    N c. 0.96 foot
    N d. 0.82 foot
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
5385: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the starboard leg reaction? 

    Y a. 7,099 kips
    N b. 7,134 kips
    N c. 7,151 kips
    N d. 7,203 kips
6473: On an offshore drilling rig, the pumps which circulate drilling fluid through the drill string while drilling are called the __________. 

    N a. circulation pumps
    Y b. mud pumps
    N c. centrifugal pumps
    N d. mixing pumps
6653: Diesel powered industrial trucks on a MODU that are provided with safeguards to the exhaust, fuel, and electrical systems are designated __________. 

    N a. DEFE
    N b. DE
    Y c. DS
    N d. DES
6957: Regulations require certain records to be retained on board for at least 3 months after a MODU is involved in a casualty or until advised that they are no longer needed on board by the __________. 

    N a. owner
    N b. Master
    N c. person in charge
    Y d. Officer in Charge, Marine Inspection
7341: If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies, which frequency should you call on? 

    N a. Calling frequency
    N b. Distress frequency
    N c. Urgency frequency
    Y d. Working frequency
8375: Maintaining good working order of fuel pumps and injectors in auxiliary diesel engines requires the use of __________. 

    N a. fuel/water separators
    N b. day tanks
    N c. an injector test stand
    Y d. fuel filters
8377: What factor is essential to the proper operation of a radiator cooled engine? 

    N a. Cooling water pressure
    N b. Jacket water treatment
    Y c. Air flow through the radiator
    N d. Low heat of combustion
8685: The DEEP DRILLER, at 58.0 feet draft in sea water, places 275.8 long tons on board. What is the new draft? 

    N a. 56 feet
    N b. 58 feet
    Y c. 60 feet
    N d. 62 feet
8773: The muster list shows each rig hand's muster station, his duties during abandonment, basic instructions, and __________. 

    Y a. all emergency signals
    N b. instructions for lowering the survival craft
    N c. the time each weekly drill will be held
    N d. work schedule
8925: A vessel behaves as if all of its weight is acting downward through the center of gravity, and all its support is acting upward through the __________. 

    N a. keel
    Y b. center of buoyancy
    N c. tipping center
    N d. amidships section
9267: Lifeboat winches on a MODU are required to be inspected and an entry made in the logbook. What should this entry include? 

    N a. The time required to lower a lifeboat
    N b. The time required to raise a lifeboat
    Y c. The date of inspection and condition of the winch
    N d. All of the above
9311: Basic emergency care for third degree electrical burn is to __________. 

    N a. flood the burned area with warm water for two minutes
    N b. brush away the charred skin and wrap the burned area
    Y c. cover the burned area with a clean cloth and transport the patient to a medical facility
    N d. apply ointment or spray to the burned area and wrap with a clean cloth
9591: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new draft if all the bulk materials are discharged? 

    N a. 36.23 feet
    Y b. 44.27 feet
    N c. 45.73 feet
    N d. 53.77 feet