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.


8: You are alone and administering CPR to an adult victim. How many chest compressions and how many inflations should you administer in each sequence?


157: On a tankship, sanitary inspections of the crew's quarters are the responsibility of the __________.


366: You have determined that a cargo space on a freight vessel is 45 feet by 36 feet by 62 feet. How many pounds of carbon dioxide is required for this space?


407: Any person maintaining a listening watch on a bridge-to-bridge radiotelephone must be able to __________.

    Y a. speak English
    N b. repair the unit
    N c. send Morse Code
    N d. speak a language the vessel's crew will understand

416: Under the regulations for cargo vessels, which statement is TRUE concerning fireman's outfits?

    N a. If a vessel carries two outfits, they may be stored in the same location.
    Y b. Each fireman's outfit shall contain a flame safety lamp of an approved type.
    N c. Each fireman's outfit shall contain a fresh-air breathing apparatus.
    N d. All of the above

514: You hear on the radiotelephone the word "Securite" spoken three times. This indicates that __________.

    Y a. a message about the safety of navigation will follow
    N b. a message of an urgent nature about the safety of a ship will follow
    N c. the sender is in distress and requests immediate assistance
    N d. you should secure your radiotelephone

611: The maximum mean draft to which a vessel may be safely loaded is called __________.

    N a. mean draft
    N b. calculated draft
    N c. deep draft
    Y d. load line draft

718: Painters fitted to life floats and buoyant apparatus with a capacity of 49 or less persons must __________.

    N a. be of manila rope or equivalent, not less than two inches in circumference and not less than four fathoms long
    Y b. be 100 feet long and have a breaking strength of at least 1500 lbs.
    N c. be at least 100 feet long and have a breaking strength of 3,000 lbs.
    N d. be made of 90 feet of 3/8" nylon

759: Determine the free surface correction for a fuel oil tank 30 ft. long by 40 ft. wide by 15 ft. deep, with a free surface constant of 3794. The vessel is displacing 7,000 tons in saltwater.

    N a. 0.35 foot
    Y b. 0.54 foot
    N c. 0.65 foot
    N d. 1.38 feet

831: The spread of fire is prevented by __________.

    N a. heating surfaces adjacent to the fire
    N b. leaving combustibles in the endangered area
    Y c. shutting off the oxygen supply
    N d. All of the above

871: The bilge pump on a fishing vessel __________.

    Y a. must be fixed if the vessel exceeds 12 meters in length
    N b. may be used as a fire pump
    N c. must be portable if there are more than 4 watertight compartments
    N d. must be capable of pumping at least 450 gpm

1292: What is the MOST important consideration when determining how to fight an electrical fire?

    N a. Whether the fire is in machinery or passenger spaces
    Y b. Danger of shock to personnel
    N c. The amount of toxic fumes created by the extinguisher
    N d. Maintaining electrical power

1298: If a powdered aluminum fire is being fought, the correct extinguishing agent would be __________.

    Y a. dry powder
    N b. water fog
    N c. CO2
    N d. steam

1435: After the initial cleaning of flue gas in an inert gas system the gas is passed through what device for final cleaning?

    N a. Scrubber
    Y b. Demister
    N c. Deck water seal
    N d. Final filter

2131: When a person is in shock, their skin will be __________.

    N a. warm and dry
    N b. warm and damp
    N c. cold and dry
    Y d. cold and damp

2243: Aboard a survival craft, ether can be used to __________.

    Y a. start the engine in cold weather
    N b. aid in helping personnel breathe
    N c. prime the sprinkler system
    N d. prime the air supply

2251: What will NOT decrease the stability of a vessel?

    N a. Topside icing
    N b. Running with a following sea
    N c. Using 35% of the fuel in a full tank
    Y d. Lowering a weight suspended by a boom onto the deck

2328: Which of the flash points would indicate a grade D combustible liquid?

    N a. 65°F
    Y b. 87°F
    N c. 155°F
    N d. 160°F

2351: How many B-II fire extinguishers must be in the machinery space of a 75-foot long fishing vessel propelled by engines with 2200 brake horsepower?

    N a. 5
    N b. 4
    Y c. 3
    N d. 2

2455: The element used to keep weight on the bit at a constant value in spite of up-and-down movement of a MODU during floating drilling operations is the heave or drill string __________.

    Y a. compensator
    N b. tensioner
    N c. stabilizer
    N d. equalizer

2478: Depending on its concentration, which product(s) can be classified as either grade D or E?

    N a. Sulfuric acid
    Y b. Formaldehyde solutions 37% to 50%
    N c. 1,1,1-trichloroethane
    N d. All of the above

2591: Structural bulkheads on a MODU are usually __________.

    N a. continuous
    Y b. watertight
    N c. transverse
    N d. non-watertight

2621: The decks of a MODU are supported by transverse members called __________.

    N a. trusses
    N b. deck longitudinals
    Y c. deck beams
    N d. web frames

2706: Your vessel's drafts are: FWD 15'-09", AFT 16'-08"; and the KG is 23.6 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 0.9 foot off the centerline.

    Y a. 15°
    N b. 18°
    N c. 21°
    N d. 24°

2839: What type of cooking equipment may NOT be used aboard vessels subject to The Rules and Regulations for Small Passenger Vessels?

    Y a. Gasoline
    N b. Propane
    N c. Butane
    N d. LPG

2975: A quick and rapid motion of a MODU in a seaway is an indication of a(n) __________.

    Y a. large GM
    N b. high center of gravity
    N c. excessive free surface
    N d. small GZ

3120: Before issuing an initial Certificate of Inspection, the construction arrangement and equipment of a vessel must be acceptable to the __________. (small passenger vessel regulations)

    N a. American Bureau of Shipping Surveyor
    N b. U.S. Salvage Marine Surveyor
    Y c. Officer in Charge, Marine Inspection
    N d. U.S. Customs Collector

3173: What is considered to be a B-II portable fire extinguisher?

    N a. 2 pound dry chemical
    Y b. 2-1/2 gallon foam
    N c. 4 pound carbon dioxide
    N d. All of the above

3237: A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG 150 feet. The change in KG is __________.

    N a. 1.09 feet
    N b. 1.60 feet
    Y c. 1.64 feet
    N d. 2.73 feet

3460: How should the letter "T" be pronounced when spoken on the radiotelephone?

    N a. TEE
    N b. TA HO
    Y c. TANG GO
    N d. TU TU

3710: Which statement is CORRECT with respect to inserting an airway tube?

    Y a. Only a trained person should attempt to insert an airway tube.
    N b. A size 2 airway tube is the correct size for an adult.
    N c. The airway tube will not damage the victim's throat.
    N d. Inserting the airway tube will prevent vomiting.

3735: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?

    N a. Give them brandy or other alcoholic stimulation to promote a return to normal body temperature.
    Y b. Move them to a warm room to gradually raise their body temperature.
    N c. Keep them moving to stimulate circulation to raise their body temperature.
    N d. Immerse them in a hot bath to rapidly raise their body temperature.

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

3951: All personnel on board a vessel should be familiar with the rescue boat's __________.

    Y a. boarding and operating procedure
    N b. maintenance schedules
    N c. navigational systems
    N d. fuel consumption rates

3969: The sea anchor shown as item number 14 will NOT __________. (D014SA )

    N a. check the liferaft's way
    N b. keep the liferaft end on to the sea
    N c. reduce the possibility of capsizing or broaching
    Y d. right the raft if it inflates inverted

3999: Which item may be substituted for, in the fireman's outfit, on a cargo vessel?

    N a. fire ax
    N b. flashlight
    N c. rigid helmet
    Y d. flame safety lamp

4050: The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged ___________ .

    Y a. when a new Master assumes command
    N b. daily, at 0800 local zone time
    N c. weekly, before 2400 Saturday
    N d. immediately after assuming the watch

4165: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the transverse metacenter?

    N a. 61.19 feet
    N b. 62.80 feet
    N c. 62.99 feet
    Y d. 62.94 feet

4240: Both an approved B-V semi-portable fire-extinguishing system and a fixed fire-extinguishing system are required to protect the engine room on towing vessels whose construction was contracted for on or after __________. (Uninspected Vessel Regulations)

    N a. February 1, 2002
    Y b. August 27, 2003
    N c. April 29, 2004
    N d. April 29, 2005

4291: While the COASTAL DRILLER is in transit, stability is acceptable provided that neither the KGL nor the KGT exceed __________.

    N a. the height of the righting arm
    N b. KML or KMT
    N c. GML or GMT
    Y d. maximum allowable KG

4487: Weights added or discharged at the center of flotation on the COASTAL DRILLER while floating will change the __________.

    N a. list
    N b. trim
    Y c. true mean draft
    N d. TPI

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

5063: What signal must be sounded by a vessel towing a mobile offshore drilling unit through an area of restricted visibility?

    N a. Two prolonged blasts
    N b. Five or more short blasts
    Y c. One prolonged and two short blasts
    N d. One prolonged and three short blasts

5073: An obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf, shall have a lens that is visible over an arc of __________.

    N a. 60°
    N b. 90°
    N c. 180°
    Y d. 360°

5407: The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the LCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom?

    N a. 114.06 feet AFO
    N b. 119.44 feet AFO
    N c. 123.75 feet AFO
    Y d. 125.91 feet AFO

5733: Given the same water depth and mooring tension, the length of the ground cable of a 19 pound/foot wire rope mooring line in comparison to a 90 pound/foot mooring chain will be __________.

    Y a. shorter
    N b. identical
    N c. longer
    N d. indeterminable

6195: Each person on the rig has a designated area to proceed to in the event of a fire. This assignment is shown clearly on the rig's __________.

    N a. fire fighting plan
    N b. shipping articles
    N c. Certificate of Inspection
    Y d. Muster List ("Station Bill")

6703: The person-in-charge of a mobile offshore drilling unit must be designated by the __________.

    N a. Coast Guard
    N b. Minerals Management Service
    N c. operator or his agent
    Y d. owner or his agent

6955: Regulations require certain records to be retained on board a MODU for how long after the report of a casualty?

    N a. 1 month
    Y b. 3 months
    N c. 6 months
    N d. 12 months

7677: Reducing free surfaces has the effect of lowering the __________.

    N a. uncorrected KG
    Y b. virtual height of the center of gravity
    N c. metacenter
    N d. metacentric height

8118: Most medium and slow speed diesels are started by what medium?

    N a. Electric starting motors
    N b. Hydraulics
    Y c. Compressed air
    N d. Ether

8317: The minimum concentration of H2S which can cause death if a person is exposed for even an instant is __________.

    N a. 200 ppm
    N b. 400 ppm
    N c. 600 ppm
    Y d. 1000 ppm

8345: For H2S detection, sensitized tapes indicate H2S presence by means of discoloration of an exposed spot on the tape. The shade of the color on the spot depends upon the concentration of H2S and __________.

    N a. air temperature at the time of the exposure
    N b. air pressure at the time of the exposure
    N c. humidity at the time of exposure
    Y d. duration of the exposure

8391: What monitoring device best indicates the load being carried by a diesel engine?

    N a. Lube oil pressure gauge
    N b. Jacket water temperature gauge
    N c. Tachometer
    Y d. Exhaust pyrometer

8440: Addition of weight above the center of gravity of a vessel will ALWAYS __________.

    Y a. reduce initial stability
    N b. increase righting moments
    N c. increase GM
    N d. All of the above

8511: An elevated jack-up weighs 17,000 kips. Its center of gravity is located 110 feet aft of frame zero (AF0). What would be the new LCG if the cantilever (weight 900 kips) and drill floor (weight 800 kips) were skidded 70 feet aft?

    N a. 103.0 feet AF0
    N b. 113.4 feet AF0
    Y c. 117.0 feet AF0
    N d. 180.0 feet AF0

8511: An elevated jack-up weighs 17,000 kips. Its center of gravity is located 110 feet aft of frame zero (AF0). What would be the new LCG if the cantilever (weight 900 kips) and drill floor (weight 800 kips) were skidded 70 feet aft?

    N a. 103.0 feet AF0
    N b. 113.4 feet AF0
    Y c. 117.0 feet AF0
    N d. 180.0 feet AF0

8655: While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped on the starboard side. Because the sounding level and starboard aft inclination are slowly increasing, you decide that tank 10S has minor damage. Among the possible corrective actions is __________.

    N a. deballast from tank 9P
    N b. dump the mud
    N c. counterflood into 2P
    Y d. place a wooden plug into the vent of tank 10S

8727: The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, LM = 40,301 foot-long tons, TM = 3 foot-long tons, FSML = 30,572 foot-long tons, and FSMT = 18,732 foot-long tons. What is the longitudinal free surface correction to KG?

    N a. 0.00 feet
    N b. 1.03 feet
    Y c. 1.69 feet
    N d. 2.22 feet

8833: A jack-up level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of -30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is __________.

    N a. 667 foot-kips
    Y b. 833 foot-kips
    N c. 1,400 foot-kips
    N d. 1,667 foot-kips