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.


82: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.


178: Bleeding from a vein may be ordinarily controlled by __________.


209: The number 2 lifeboat on a tanker would be found __________.


218: A compound fracture is a fracture in which __________.

    N a. more than one bone is broken
    N b. the same bone is broken in more than one place
    N c. there is never any internal bleeding
    Y d. the bone may be visible

244: A vessel is flying the signal "BJ-1" from her starboard halyard. The signal means "_____."

    N a. an aircraft is ditched in position indicated
    N b. the aircraft is still afloat
    N c. there is no danger of explosion
    Y d. an aircraft is circling over an accident

429: You are at sea and not in a special area as defined in ANNEX V of MARPOL. How many nautical miles from land must you be to discharge ground garbage that will pass through a one-inch (25 mm) screen into the sea?

    Y a. 3 nm
    N b. 6 nm
    N c. 12 nm
    N d. 25 nm

576: Each lifeboat must be lowered and maneuvered in the water at least once every __________.

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

603: The painter which is to be attached to the thwart of a lifeboat should __________.

    N a. be fitted at the end with an approved safety shackle
    N b. have a long eye splice at the end, and a shackle and pin should be attached to the painter with a lanyard
    Y c. have a long eye splice at the end, and a hardwood toggle should be attached to the thwart with a lanyard
    N d. be fitted with a swivel and quick-releasing pelican hook

748: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.

    N a. blows the fire back toward the vessel
    Y b. comes over the bow
    N c. comes over the stern
    N d. comes over either beam

756: A motor lifeboat shall carry sufficient fuel to operate continuously for a period of __________.

    N a. 12 hours
    N b. 18 hours
    Y c. 24 hours
    N d. 36 hours

805: Application for a waiver of any requirements of the regulations for oil transfer operations must be submitted to the __________.

    N a. District Commander
    N b. Commandant
    Y c. Captain of the Port
    N d. nearest Coast Guard office

895: Air-cooled gasoline auxiliary engines are allowed on vessels not more than 65 feet in length, carrying not more than 12 passengers if __________.

    N a. it is not practicable to supply water to the engine
    Y b. they have a self-contained fuel system and are installed on an open deck
    N c. they are rated at not more than 4.5 horsepower
    N d. All of the above

901: A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be __________.

    N a. replaced in its proper location if weight loss is no more than 15%
    N b. replaced in its proper location if weight loss is no more than 25%
    Y c. labeled empty and recharged as soon as possible
    N d. labeled empty and replaced in its proper location regardless of weight

1045: Which group would be used to send the signal Greenwich mean time 11:35 pm?

    N a. GMT 1135PM
    N b. T 2335 GMT
    Y c. Z 2335
    N d. G 2335

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

1249: Which area is designated a special area by Annex V to MARPOL 73/78?

    N a. Gulf of Saint Lawrence
    N b. Sargasso Sea
    Y c. Red Sea
    N d. Great Lakes

1308: What would be the most effective agent to use to extinguish a fire in drums of flammable liquids stowed on the weather deck of a vessel?

    N a. Carbon dioxide
    Y b. Foam
    N c. Steam
    N d. Water fog

1528: You are offloading garbage to another ship. Your records must identify that ship by name and show her __________.

    N a. home port
    N b. next port-of-call
    Y c. official number
    N d. Master

1973: To ensure receipt of all relevant MSI, a NAVTEX receiver should be turned on at least how many hours prior to departure from port?

    N a. 2
    N b. 4
    N c. 6
    Y d. 8

2018: When can routine communications be resumed on a frequency or channel on which radio silence has been imposed?

    N a. After determining that the frequency or channel appears to be no longer in use
    N b. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
    Y c. After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
    N d. Routine communications can resume if, in the Master's opinion, communications on that frequency or channel will not interfere with emergency communications.

2147: Each life preserver must be readily accessible to the person for whom it is intended while he or she is __________.

    N a. at work, only
    N b. in his or her berthing area, only
    Y c. BOTH at work and in his or her berthing area
    N d. None of the above

2154: What is the basic concept of GMDSS?

    N a. Search and rescue authorities ashore can be alerted to a distress situation.
    N b. Shipping in the immediate vicinity of a ship in distress will be rapidly alerted.
    N c. Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay.
    Y d. All of the above

2209: What are the health hazard ratings for a product of triethylbenzene?

    Y a. 1,1,1
    N b. 2,2,2
    N c. 0,1,1
    N d. Unavailable

2242: An example of a grade B product is __________.

    Y a. piperyline
    N b. motor gasoline
    N c. kerosene
    N d. mineral spirits

2269: To what chemical family does ethylene oxide belong?

    N a. Glycol ethers
    Y b. Alkylene oxides
    N c. Esters
    N d. Alcohols

2364: Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

    Y a. 950 tons 2.5 feet forward of the tipping center
    N b. 950 tons 5.6 feet aft of amidships
    N c. 1250 tons 4.3 feet forward of amidships
    N d. 1250 tons 1.4 feet aft of the tipping center

2413: Signaling by flag hoist is completed by the vessel hoisting the __________.

    N a. signal AR
    N b. code flag N
    N c. code flag R
    Y d. answering pennant

2508: What is the TLV of cyclohexanol?

    N a. 20 ppm
    N b. 30 ppm
    N c. 40 ppm
    Y d. 50 ppm

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

2541: When lifting loads from a boat in heavy weather, the load should be taken when the boat __________.

    Y a. reaches the crest
    N b. begins to fall
    N c. begins to rise
    N d. reaches the trough

2611: The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________.

    N a. stress plate
    Y b. keel
    N c. rider plate
    N d. main beam

3121: To prevent the spread of fire by conduction you should __________.

    Y a. cool the bulkheads around the fire
    N b. remove combustibles from direct exposure
    N c. close all openings to the area
    N d. shut off all electric power

3133: The stability which exists after the unintentional flooding of a compartment on a MODU is called __________.

    N a. intact stability
    N b. initial stability
    N c. immersion stability
    Y d. damage stability

3204: In accordance with SOLAS, the batteries that power interior lighting in inflatable liferafts can be made to last longer by __________.

    N a. unscrewing the bulb during the daylight
    Y b. switching the light on only when necessary
    N c. taking no action as there is no way on saving power
    N d. taking no action as they shut off automatically in daylight

3392: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0126

    Y a. 595 tons
    N b. 870 tons
    N c. 1200 tons
    N d. 1350 tons

3403: The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft at the forward draft marks is observed to be 8.0 feet. The draft at the center of flotation is __________.

    N a. 7.00 feet
    N b. 8.58 feet
    N c. 9.00 feet
    Y d. 9.42 feet

3440: How should the number "7" be pronounced when spoken on the radiotelephone?

    Y a. SAY-TAY-SEVEN
    N b. SEE-ETA-SEVEN
    N c. NUM-BER-SEVEN
    N d. NEW-MER-AL-SEVEN

3456: When a sea anchor for a survival craft is properly rigged, it will __________.

    N a. completely stop the survival craft from drifting
    Y b. help to prevent broaching
    N c. prevent the survival craft from pitching
    N d. prevent the survival craft from rolling

3571: The DEEP DRILLER is anchoring in 600 feet of water. In the absence of environmental forces, the mooring lines should be adjusted to __________.

    N a. 245 kips
    Y b. 222 kips
    N c. 237 kips
    N d. 194 kips

3675: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port forward column below the waterline. Pumping from tank 2P and 3P is not sufficient to prevent increasing port list and bow down trim. You should consider counterflooding in tank __________.

    N a. 2S
    N b. 9S
    N c. C2BS
    Y d. 10S

3686: When applying chest compressions on an adult victim during CPR, the sternum should be depressed about __________.

    N a. 1/2 inch or less
    N b. 1/2 to 1 inch
    N c. 1 to 1-1/2 inches
    Y d. 1-1/2 to 2 inches

3729: A crew member suffering from hypothermia should be given __________.

    N a. a small dose of alcohol
    Y b. treatment for shock
    N c. a large meal
    N d. a brisk rub down

3786: When using the rainwater collection tubes of a liferaft, the FIRST collection should be __________.

    N a. passed around so all can drink
    Y b. poured overboard because of salt washed off the canopy
    N c. saved to be used at a later time
    N d. used to boil food

3945: Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and __________.

    Y a. center column chain lockers
    N b. backup drill water tank
    N c. primary salt-water service tank
    N d. forward and after column chain lockers

4223: On the COASTAL DRILLER, the maximum aft extension of the cantilever places the rotary __________.

    N a. 68.33 feet aft of the transom
    Y b. 40.00 feet aft of the transom
    N c. 38.33 feet aft of the transom
    N d. 28.33 feet aft of the transom

4391: Which data is NOT used in the Allowable Wind and Wave Charts for the COASTAL DRILLER?

    N a. Leg penetration
    N b. Wave height
    Y c. Total weight
    N d. Current

4505: The height of the longitudinal metacenter of the COASTAL DRILLER at a displacement of 13,810 kips is __________.

    N a. 256.51 feet
    Y b. 255.11 feet
    N c. 254.60 feet
    N d. 253.20 feet

4651: If you wear extra clothing when entering the water after abandoning a MODU it will __________.

    N a. weigh you down
    Y b. preserve body heat
    N c. reduce your body heat
    N d. make it more difficult to breathe

5105: The edge of a hurricane has overtaken your MODU in the Gulf of Mexico and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the __________.

    Y a. navigable semicircle
    N b. dangerous semicircle
    N c. low pressure area
    N d. eye of the storm

5135: In the illustration, symbol 2 represents __________. (D041DG )

    N a. displacement
    N b. beam limit
    N c. bilge level
    Y d. baseline

5551: Anchor shackles should have a breaking strength that is __________.

    Y a. equal to the chains they are connecting
    N b. 25% more than the chains they are connecting
    N c. 50% more than the chains they are connecting
    N d. 100% more than the chains they are connecting

6065: A fire pump on a MODU requires 175 psi discharge pressure to maintain the required 50 psi pitot tube pressure at the two highest hydrants. The maximum setting for the relief valve is __________.

    N a. 125 psi
    N b. 175 psi
    Y c. 200 psi
    N d. 225 psi

6673: Each emergency light on a MODU must be marked with __________.

    Y a. the letter "E"
    N b. an arrow pointing to the nearest exit
    N c. a no-smoking symbol
    N d. the word "DANGER"

6747: How many people on board a MODU must be trained in the use of the fireman's outfit?

    N a. 1
    Y b. 2
    N c. 3
    N d. 4

6858: A hydraulic accumulator is designed to __________.

    Y a. store fluid under pressure
    N b. act as a fluid reservoir
    N c. provide overpressure relief
    N d. replenish fluid to a system

7381: One way to increase the period of roll on a semisubmersible rig while under tow is to __________.

    N a. dump deck tanks into lower hulls
    N b. plug ballast tank vents
    N c. head into the waves
    Y d. increase tank free surface

8217: What is the purpose of a striker plate?

    N a. Provides surface for applying force on machinery
    Y b. Provides landing surface for the sounding bob
    N c. Absorbs machinery vibration
    N d. Prevents valve stem over-travel

8523: The COASTAL DRILLER, while drilling has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the starboard leg reaction?

    N a. 4,060 kips
    N b. 5,145 kips
    Y c. 5,559 kips
    N d. 5,816 kips

8757: The routes to be used during evacuation of the COASTAL DRILLER are shown in the __________.

    N a. official log
    N b. Muster List ("Station Bill")
    Y c. posted Fire Control/Lifesaving Plan
    N d. control room under glass

9531: When the height of the metacenter is greater than the height of the center of gravity, the upright equilibrium position is stable and stability is __________.

    N a. unstable
    N b. neutral
    N c. negative
    Y d. positive