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.

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?
93: If, for any reason, it is necessary to abandon ship while far out at sea, it is important that the crew members should __________.
165: Which statement is FALSE regarding Halon as a fire extinguishing agent?
184: When signaling by flashing light, the signal "C" should be used to indicate a(n) __________. 

    Y a. affirmative statement
    N b. question
    N c. change from affirmative to negative
    N d. request for the identity signal of the receiving stations
255: You are towing a 1000 gross ton gasoline tank barge. Regulations say that cargo tank hatches, ullage holes, and Butterworth plates may remain open without flame screens ONLY __________. 

    N a. if the barge is towed on a hawser astern
    N b. if an approved type B-II fire extinguisher is provided
    Y c. when the open tanks are gas free
    N d. for periods not to exceed five minutes
307: Your ship is returning to New Orleans from a foreign voyage and carrying a bulk cargo of anhydrous ammonia. You must notify the Captain of the Port, New Orleans, __________. 

    Y a. at least 96 hours before entering port
    N b. if you are not participating in the USMER system
    N c. only if you have a hazardous condition aboard
    N d. only if your arrival will vary more than six hours from your ETA reported to AMVER
348: A man has suffered a burn on the arm. There is a reddening of the skin but no other apparent damage. Using standard MEDICAL terminology, this is a __________. 

    N a. Minor burn
    N b. Superficial burn
    N c. Extremity burn
    Y d. First-degree burn
393: A sea anchor is __________. 

    N a. a heavy anchor with an extra long line used to anchor in deep water
    Y b. a cone shaped bag used to slow down the wind drift effect
    N c. a pad eye to which the sea painter is made fast
    N d. made of wood if it is of an approved type
575: Pollution regulations require that each scupper in an enclosed deck area have a __________. 

    N a. wooden plug
    N b. soft rubber plug
    N c. two-piece soft patch
    Y d. mechanical means of closing
820: The two points that act together to trim a ship are the __________. 

    N a. LCF and LCB
    Y b. LCG and LCB
    N c. metacenter and LCG
    N d. VCG and LCG
905: The color of the signal flare sent up by a submarine coming to periscope depth is __________. 

    N a. white
    N b. green
    Y c. yellow
    N d. red
983: Your vessel has a metacentric height of 1.12 feet and a beam of 60 feet. Your average rolling period will be __________. 

    N a. 20 seconds
    N b. 23 seconds
    Y c. 25 seconds
    N d. 35 seconds
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
1369: A cargo of 50 tons is to be loaded on deck 20 feet from the ship's centerline. The vessel's displacement including the 50 ton cargo will be 3,000 tons and the GM three feet. The list of the vessel after loading this cargo will be __________. 

    N a. 5.35°
    N b. 5.80°
    N c. 6.10°
    Y d. 6.35°
1429: When collecting condensation for drinking water, __________. 

    Y a. a sponge used to mop up and store condensation must be kept salt free
    N b. only condensation on the bottom of the canopy should be collected
    N c. it should be strained through a finely woven cloth
    N d. chlorine tablets should be used to make it drinkable
1529: Under the Pollution Regulations, garbage disposal records must be kept __________. 

    N a. until the end of the voyage
    N b. until the next Coast Guard inspection
    N c. one year
    Y d. two years
1652: An inland oil barge must have equipment available to remove an on-deck oil spill of at least __________. 

    Y a. one barrel
    N b. two barrels
    N c. five barrels
    N d. ten barrels
1708: A chemical additive to LPG gives it a characteristic __________. 

    Y a. odor
    N b. color
    N c. pressure
    N d. density
1767: The explosive range of Diesel Oil mixed with air is __________. 

    N a. 0% to 1% by volume
    N b. 0.8% to 5.3% by volume
    Y c. 1.3% to 6.0% by volume
    N d. 6.3% to 12.1% by volume
1822: Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold? 

    N a. Lack of oxygen
    N b. Methane gas
    N c. Hydrogen sulfide gas
    Y d. Carbon monoxide
1839: A sailing vessel with the wind coming from 020° relative would be __________. 

    Y a. coming about
    N b. close hauled on the port tack
    N c. running before the wind
    N d. on a broad reach on the starboard tack
1846: You are under sail on a close reach, and the wind is steady. While steady on course, you reef the mainsail and your speed slows. The apparent wind __________. 

    N a. is unchanged
    N b. increases and draws aft
    N c. increases and draws forward
    Y d. decreases and draws aft
2103: All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at least once every __________. 

    Y a. year
    N b. 18 months
    N c. two years
    N d. 30 months
2211: You discharge garbage overboard at sea. When recording your vessel's position as required, you must include __________. 

    Y a. latitude, longitude and estimated distance from shore
    N b. latitude, longitude and approximate depth of water
    N c. latitude, longitude, course, speed, and a copy of that days noon position slip
    N d. Latitude and longitude only
2291: The purpose for the bag or box on top of some survival craft is to __________. 

    Y a. right the craft in case of capsizing
    N b. increase area for radar detection
    N c. act as a sail in case of a power loss
    N d. steady the craft in heavy seas
2314: Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo? 

    N a. A and below
    N b. B and below
    N c. C and below
    Y d. D and E only
2496: What type of vent system would a barge of acrylonitrile have? 

    N a. Open
    Y b. Pressure-vacuum
    N c. Safety relief
    N d. Rupture disk
2512: Which of the following product(s) would be classified as grade E? 

    N a. Gasoline
    Y b. Bunker C
    N c. Kerosene
    N d. All of the above
2525: 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-0068 

    N a. Available GM 5.26 ft
    N b. Available GM 4.24 ft
    Y c. Available GM 4.11 ft
    N d. Available GM 4.01 ft
2701: Compared to internal structural plating, the exterior hull plating on a MODU is usually __________. 

    Y a. stronger
    N b. thinner
    N c. more corrosion resistant
    N d. a lower grade steel
2711: The number of able seamen required on a MODU is stated in the __________. 

    N a. American Bureau of Shipping code
    N b. Department of Energy regulations
    N c. Mineral Management Service rules
    Y d. Certificate of Inspection
2762: Your vessel's drafts are: FWD 24'-04", AFT 25'-10"; and the KG is 23.5 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 37° inclination. 

    N a. 1.9 feet
    Y b. 2.1 feet
    N c. 3.5 feet
    N d. 4.2 feet
2797: A semisubmersible with a positive GM, and TCG located starboard of the centerline, inclines to an angle of __________. 

    N a. heel
    N b. trim
    Y c. list
    N d. loll
2898: Painters on life floats shall be not less than __________. (small passenger vessel regulations) 

    N a. 20 feet in length
    N b. 30 feet in length
    N c. 70 feet in length
    Y d. 100 feet in length
2938: What equipment must be on a life float? (small passenger vessel regulations) 

    Y a. Two paddles, a light, painter, lifeline and pendants
    N b. Water-light, painter, and signal mirror
    N c. Water-light and painter only
    N d. Two paddles, painter, and six red flares
2965: Which is TRUE concerning immersion suits and their use? 

    N a. Only a light layer of clothing may be worn underneath.
    Y b. They provide sufficient flotation to do away with the necessity of wearing a life jacket.
    N c. They should be tight fitting.
    N d. A puncture in the suit will not appreciably reduce its value.
3067: The canopy of your liferaft should __________. 

    Y a. go into place as your liferaft is inflated
    N b. be put up after everyone is aboard
    N c. be put up only in severe weather
    N d. be used as a sail if the wind is blowing
3310: Fixed carbon dioxide fire extinguishing systems shall be installed to protect enclosed machinery and fuel tank spaces of all vessels using gasoline or other fuel having a flash point of __________. (small passenger vessel regulations) 

    N a. 0°F or lower
    N b. 75°F or lower
    N c. 90°F or lower
    Y d. 110°F or lower
3387: A semisubmersible records the following drafts: Port Forward 64'-09"; Port Aft 68'-09"; Starboard Forward 59'-09"; Starboard Aft 63'-09". What is the mean draft? 

    Y a. 64.25 feet
    N b. 64.40 feet
    N c. 64.75 feet
    N d. 64.90 feet
3397: A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the true mean draft (draft at the center of flotation)? 

    N a. 8.0 feet
    N b. 9.0 feet
    Y c. 10.0 feet
    N d. 11.0 feet
3471: Every fishing vessel required to have a general alarm system must test it __________. 

    N a. once every day that the vessel is operated
    N b. once every week that the vessel is operated
    N c. prior to operation of the vessel
    Y d. Both B and C
3558: Limit switches are located on the survival craft winch systems for OSVs to __________. 

    Y a. stop the winch just before the survival craft reaches final stowage position
    N b. limit the amount of cable on the drum
    N c. limit the ascent rate
    N d. stop the winch in case the craft's weight exceeds the load lift limit
3647: A distress signal __________. 

    N a. consists of 5 or more short blasts of the fog signal apparatus
    N b. consists of the raising and lowering of a large white flag
    Y c. may be used individually or in conjunction with other distress signals
    N d. is used to indicate doubt about another vessel's intentions
3814: If you are forced to abandon ship in a rescue boat, you should __________. 

    Y a. remain in the immediate vicinity
    N b. head for the nearest land
    N c. head for the closest sea-lanes
    N d. vote on what to do, so all hands will have a part in the decision
4413: The COASTAL DRILLER, while in a normal transit, experiences single amplitude rolling of three degrees. What is the minimum period of roll which does not exceed the design limits of the legs? 

    N a. 1.5 seconds
    N b. 3.0 seconds
    Y c. 5.5 seconds
    N d. 7.0 seconds
4623: On the COASTAL DRILLER, the bilge discharge is normally through the __________. 

    Y a. overboard discharge
    N b. dump valves
    N c. skimmer tank
    N d. sump valves
4742: You are scheduled to load 4700 tons of cargo, 45 tons of crew effects and stores and 323 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in fresh water. 

    N a. 19'-00"
    N b. 19'-03"
    Y c. 19'-07"
    N d. 20'-01"
5412: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 21'-04", AFT 26'-04". 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-0177 

    Y a. 0.62 foot
    N b. 0.80 foot
    N c. 0.85 foot
    N d. 0.99 foot
5667: When clear ice is present when the DEEP DRILLER is in transit, the vertical moments are increased by __________. 

    N a. 40,402 ft-long tons
    N b. 42,255 ft-long tons
    N c. 45,593 ft-long tons
    Y d. 49,280 ft-long tons
5783: In storm conditions in 600 feet of water, completely slacking the leeward mooring line of the DEEP DRILLER reduces the tension in that line to about __________. 

    N a. 25 kips
    Y b. 50 kips
    N c. 75 kips
    N d. 100 kips
5814: Your drafts are: FWD 18'-03", AFT 21'-09". What is the KM based on the tables in the blue pages of the Stability Data Reference Book? 

    N a. 25.2 feet
    Y b. 25.6 feet
    N c. 25.9 feet
    N d. 26.3 feet
5924: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 13'-10", AFT 16'-04". 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-0187 

    N a. 1.30 feet
    N b. 1.07 foot
    N c. 0.96 foot
    Y d. 0.73 foot
6277: The SS AMERICAN MARINER has drafts of: FWD 22'-03", AFT 26'-05". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 77 tons of seawater. 

    N a. FWD 22'-08.7", AFT 26'-02.2"
    N b. FWD 22'-09.3", AFT 26'-01.6"
    N c. FWD 22'-09.9", AFT 26'-01.0"
    Y d. FWD 22'-10.5", AFT 26'-00.4"
6795: Mobile offshore drilling units not required to have an official logbook shall __________. 

    N a. maintain a logbook on Form CG-706
    N b. not be required to maintain a logbook
    Y c. maintain an unofficial logbook
    N d. report only major events to the OCMI
6895: Who is responsible for reporting a casualty to a mobile offshore drilling unit? 

    N a. The pilot
    Y b. The owner
    N c. The surveyor
    N d. The engineer
7317: When sending and receiving messages on the marine radio, confusion over unusual words can be avoided by using the __________. 

    N a. delimiter switch
    Y b. standard phonetic alphabet
    N c. low power switch
    N d. high power switch
7343: What is maximum power allowed by the FCC for VHF-FM radio transmissions? 

    N a. One watt
    N b. Five watts
    N c. 15 watts
    Y d. 25 watts
7657: The righting moment can be determined by multiplying the displacement by the __________. 

    N a. vertical center of gravity (KG)
    N b. longitudinal center of gravity (LCG)
    Y c. righting arm (GZ)
    N d. center of gravity (CG)
8493: What is the value of KML for the DEEP DRILLER at a draft of 60 feet? 

    N a. 59.63 feet
    N b. 60.16 feet
    N c. 61.68 feet
    Y d. 61.13 feet
8545: It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the total environmental force would be __________. 

    N a. 620 kips
    Y b. 595 kips
    N c. 475 kips
    N d. 425 kips