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.


68: The MOST important element in administering CPR is __________.


95: A spark arrestor __________.


96: A B-III foam extinguisher contains __________.


151: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0002

    Y a. 1.50 feet
    N b. 1.96 feet
    N c. 2.21 feet
    N d. 2.78 feet

271: A fishing vessel casualty must be reported to the Coast Guard if it involves __________.

    Y a. loss of life
    N b. an injury requiring only first aid
    N c. $(SA)10,000 in property damage
    N d. loss of equipment which doesn't reduce the vessel's maneuverability

271: A fishing vessel casualty must be reported to the Coast Guard if it involves __________.

    Y a. loss of life
    N b. an injury requiring only first aid
    N c. $(SA)10,000 in property damage
    N d. loss of equipment which doesn't reduce the vessel's maneuverability

316: The space containing the cylinders for the carbon dioxide(CO2) fire extinguishing system must be designed to preclude an anticipated ambient temperature over __________.

    N a. 80°F
    N b. 95°F
    Y c. 130°F
    N d. 150°F

435: If an emergency pump control is used as the emergency shutdown on a tank vessel, it must __________.

    N a. stop the flow of oil at the main deck manifold
    N b. prevent the oil from leaving the shore facility
    Y c. prevent the oil from siphoning through the pump
    N d. None of the above

512: The SS AMERICAN MARINER arrived in port with drafts of: FWD 28'-08", AFT 29'-05". Cargo was loaded and discharged as shown. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts. ST-0012

    N a. FWD 28'-10", AFT 29'-04"
    Y b. FWD 29'-02", AFT 29'-07"
    N c. FWD 29'-04", AFT 29'-04"
    N d. FWD 29'-05", AFT 29'-08"

548: A shipmate chokes suddenly, cannot speak, and starts to turn blue. You should __________.

    Y a. perform the Heimlich maneuver
    N b. make the victim lie down with the feet elevated to get blood to the brain
    N c. immediately administer CPR
    N d. do nothing until the victim becomes unconscious

673: The grab rail of a metal lifeboat is normally located __________.

    Y a. along the turn of the bilge
    N b. along each side of the keel
    N c. near the top of the gunwale
    N d. at the bow and at the stern

688: Which may ignite fuel vapors?

    N a. Static electricity
    N b. An open and running motor
    N c. Loose wiring
    Y d. All of the above

935: If an airplane circles a vessel 3 times, crosses the vessel's course close ahead while rocking the wings, and heads off in a certain direction, what does this indicate?

    N a. The plane is in distress and will have to ditch.
    N b. The plane is going to drop a package and wishes the vessel to recover it.
    Y c. Someone is in distress in that direction and the vessel should follow and assist.
    N d. There is danger ahead and the best course is indicated by the direction of the aircraft.

936: If your vessel is equipped with inflatable liferafts, how should they be maintained?

    N a. Have your crew check them annually.
    N b. They do not need any maintenance.
    Y c. Have them sent ashore to an approved maintenance facility annually.
    N d. Have them serviced by the shipyard annually.

1020: Which vessels must comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?

    N a. Towing vessels 25 feet in length or less
    Y b. Passenger vessels of 100 gross tons or greater, carrying one or more passengers for hire
    N c. Power-driven vessels 12 meters or less in length
    N d. All of the above

1034: Which vessels must comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?

    Y a. All towing vessels 26 feet in length or greater
    N b. All passenger vessels less than 100 gross tons
    N c. All power-driven vessels 12 meters or less in length
    N d. All of the above

1164: A drill must be conducted in the use of the line throwing appliance at least once in every __________.

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

1193: On small passenger, vessels spaces containing batteries require good ventilation because it __________.

    N a. adds as much as 2 volts to battery performance
    N b. supplies extra nitrogen for the battery
    Y c. helps dissipate flammable gas accumulations
    N d. allows less soda water to be used in the diodes

1320: Fire extinguishers on inspected vessels are numbered by size I through V, with I being __________.

    N a. used for electrical fires only
    Y b. the smallest
    N c. the most accessible
    N d. the most effective

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

1743: Introducing inert gas into a tank already inert with the object of further reducing the oxygen or hydrocarbon content to prevent combustion if air enters the tank is called __________.

    Y a. purging
    N b. gas freeing
    N c. gas dispersion
    N d. bonding

1825: Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the __________.

    Y a. landing area and sources of vapor ignition
    N b. main deck
    N c. engine room
    N d. drill floor

2010: Your vessel measures 128 feet long by 21 feet in beam. If the natural rolling period at a draft of 7'-06" is 6 seconds, what is the GM?

    N a. 1.56 feet
    Y b. 2.37 feet
    N c. 2.55 feet
    N d. 2.74 feet

2023: If you were to jibe in a strong wind, the part of the rigging most likely to fail would be the __________.

    N a. forestay
    Y b. backstay
    N c. jumper stay
    N d. halyard

2405: The heavy three-, four-, or six-sided length of pipe suspended from the swivel through the rotary table and connected to the topmost joint of drill pipe to turn the drill stem as the rotary table turns is called the __________.

    N a. swivel
    N b. bail
    Y c. kelly
    N d. cock

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

2480: According to the Chemical Data Guide, what is NOT a recommended extinguishing agent for an ethyl chloride fire?

    N a. CO2
    Y b. Alcohol foam
    N c. Dry chemical
    N d. Water fog

2484: Who may approve cargo piping to pass through a machinery space for a barge designed to carry only grade E products?

    N a. American Bureau of Shipping
    N b. National Cargo Bureau
    Y c. Commandant, U.S. Coast Guard
    N d. Vessel owner

2569: Your vessel's drafts are: FWD 22'-03", AFT 22'-09"; and the KG is 24.4 feet. What is the righting moment when the vessel is inclined to 15°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

    N a. 4,176 foot-tons
    Y b. 5,196 foot-tons
    N c. 7,076 foot-tons
    N d. 9,003 foot-tons

2623: Between the side frames on a MODU, support for the deck beams is provided by __________.

    Y a. stanchions
    N b. brackets
    N c. web frames
    N d. deck stringers

2859: For emergency communications, vessels operating on oceans, coastwise, or Great Lakes routes, on runs of more than 30 minutes shall carry in a portable watertight container at or near the operating station __________. (small passenger vessel regulations)

    N a. six orange hand smoke distress signals
    N b. six red hand flare distress signals
    N c. one 3-cell flashlight
    Y d. six red hand flare distress signals and six orange hand smoke distress signals

2867: In illustration D041DG, the symbol for amidships is __________.

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

3097: When retrieving the survival craft, the winch operator should stop the winch and check __________.

    N a. that all personnel are seated in the craft
    Y b. that the cable has not jumped any grooves on the drum
    N c. which way the wind is blowing
    N d. the hydraulic fuel level before lifting

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

3430: How should the letter "Q" be pronounced when spoken on the radiotelephone?

    N a. QWE BEC
    N b. QUE BACH
    Y c. KEH BECK
    N d. QU UE

3450: According to the regulations for lifeboat falls, which action must be taken at 30-month intervals?

    Y a. End-for-ended
    N b. Renewed
    N c. Inspected
    N d. Weight tested

3529: The SS AMERICAN MARINER has the following drafts: FWD 08'-11.5", AFT 15'-11.5". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0138

    N a. 2.15 feet
    Y b. 2.05 feet
    N c. 1.95 feet
    N d. 1.75 feet

3592: When should the emergency position-indicating radio beacon be activated after abandoning an OSV?

    Y a. Immediately
    N b. After one hour
    N c. Only when another vessel is in sight
    N d. Only after sunset

3780: One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to __________.

    N a. stream the sea anchor
    Y b. take an anti-seasickness pill
    N c. open the pressure relief valve
    N d. drink at least one can of water

3915: The DEEP DRILLER, at a draft of 60 feet, has 35,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?

    Y a. 25.5 long tons
    N b. 50.2 long tons
    N c. 165.3 long tons
    N d. 330.2 long tons

4022: Which towing vessels are NOT required to have an internal communication system between the engine room and the operating station?

    Y a. Twin-screw vessels that have operating station control for both engines
    N b. Vessels on limited routes
    N c. Fleet boats making or breaking tows
    N d. Vessels serving a single company or facility

4098: Which publication(s) must a towing vessel of 12 meters or more in length carry when operating on US waters other than the Western Rivers?

    N a. US Coast Pilot(s)
    N b. Tide Tables and Tidal Current Tables
    N c. Notice to Mariners
    Y d. All of the above

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

5075: What lighting characteristic is required of an obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf?

    N a. Fixed
    N b. Flashing
    Y c. Quick-flashing
    N d. Occulting

5091: Obstruction lights on mobile offshore drilling units on the waters of the U.S. Outer Continental Shelf must be displayed __________.

    N a. at all times
    Y b. between sunset and sunrise
    N c. whenever visibility is restricted
    N d. whenever vessels approach within one-half mile

5457: The only wire rope termination which may be made in the field is __________.

    N a. swaged socket
    N b. thimbled mechanical splice
    N c. hand splice
    Y d. spelter poured and resin sockets

5805: A permanent chain chasing system is used to __________.

    N a. clean anchor chain as it's hauled in
    N b. recover anchors which have lost their buoys
    Y c. run and retrieve anchors
    N d. prepare anchor chain for inspection

5811: The unit used to measure anchor line tensions in the offshore drilling industry is the __________.

    N a. long ton
    N b. short ton
    N c. metric ton
    Y d. Kip

6074: 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-0190

    N a. Available GM 4.1 ft
    N b. Available GM 4.3 ft
    N c. Available GM 4.7 ft
    Y d. Available GM 5.1 ft

6551: When referring to quantity of barite in a P-tank, ullage is the __________.

    N a. distance of the barite surface above the tank bottom
    N b. percentage of barite in the tank
    Y c. distance of the barite surface below the tank cover
    N d. total weight of barite in UPC (ullages per centimeter)

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

7031: Symptoms of sugar diabetes include __________.

    Y a. increased appetite and thirst
    N b. decreased appetite and thirst
    N c. gain in weight
    N d. elevated temperature

7062: You are aboard a liferaft in a storm. What should you do with your Emergency Position Indicating Radio Beacon?

    Y a. Bring it inside the liferaft and leave it on.
    N b. Bring it inside the liferaft and turn it off until the storm passes.
    N c. Leave it outside the liferaft and leave it on.
    N d. Leave it outside the liferaft but turn it off.

7068: Deballasting a double bottom has what affect on KG?

    Y a. KG is increased.
    N b. KG is decreased.
    N c. KG is not affected.
    N d. KG increases at light drafts and decreases at deep drafts.

7127: Spaces protected by a fixed CO2 system must be equipped with an alarm which sounds __________.

    N a. for the first 20 seconds CO2 is being released into the space
    Y b. for at least 20 seconds prior to release of CO2
    N c. during the entire period that CO2 is being released
    N d. if all doors and ventilation are not secured

7977: Overspeed of the diesel engine driving an electric generator could cause __________.

    N a. low voltage trip
    N b. reverse power trip
    Y c. damage to windings
    N d. excessive exhaust temperatures

8392: You are preparing for what promises to be a rough ocean passage. Your 120-foot schooner carries a yard on the foremast about 50 feet above the water. The yard weighs about 1000 pounds. If you take the yard down and stow it on deck for the trip, you will __________.

    N a. decrease the GM
    N b. give the vessel a gentler roll
    Y c. increase the metacentric height
    N d. decrease the reserve buoyancy

8905: When it is necessary to remove a victim from a life threatening situation, the person giving first aid must __________.

    N a. pull the victim by the feet
    Y b. avoid subjecting the victim to any unnecessary disturbance
    N c. carry the victim to a location where injuries can be assessed
    N d. place the victim on a stretcher before attempting removal

9253: At the instant when a string of casing being run from a MODU is landed in the well head, __________.

    N a. the total weight in air of the casing string is removed from the MODU
    Y b. the hook load (weight of the casing string) is removed from the MODU
    N c. the weight of the casing inside the riser is removed from the MODU
    N d. the weight of the casing string added to the weight of the fill-up mud is removed from the MODU

9375: After extinguishing a paint locker fire using the fixed CO2 system, the next action is to have the space __________.

    N a. opened and burned material removed
    Y b. left closed with vents off until all boundaries are cool
    N c. checked for oxygen content
    N d. doused with water to prevent reflash