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.


76: The required number and type of hand portable fire extinguishers required for a galley having an area of 3,500 square feet is __________.


148: First aid treatment for small cuts and open wounds is to __________.


272: Fire alarm system thermostats are actuated by __________.


459: What is the minimum number of people required to safely handle a 1-1/2 inch fire hose?

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

545: The oil transfer procedures aboard a tanker transferring oil are NOT required to contain __________.

    Y a. the name of each person designated as the person in charge of transfer
    N b. a line diagram of the vessel's oil transfer piping
    N c. special procedures for topping off tanks
    N d. a description of the deck discharge containment system

550: The normal tendency for a loaded tanker is to __________.

    N a. hog
    Y b. sag
    N c. have a permanent list
    N d. be very tender

585: How long must a "Declaration of Inspection" be kept on board?

    N a. One week
    N b. Two weeks
    Y c. One month
    N d. Three months

732: Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?

    Y a. You should direct the spray at the base of the fire.
    N b. You should direct the spray directly into the fire.
    N c. You should direct the spray at a vertical bulkhead and allow it to flow over the fire.
    N d. All of the above

939: CO2 cylinders forming part of a fixed fire extinguishing system must be pressure tested at least every __________.

    N a. year
    N b. 2 years
    N c. 6 years
    Y d. 12 years

1088: The flash point of a liquid means the temperature __________.

    Y a. at which a liquid will give off flammable vapors
    N b. at which a liquid will burn steadily
    N c. at which a liquid will explode
    N d. that a liquid must reach before it will flow readily

1100: The maximum speed of lowering for a lifeboat on gravity davits is controlled by the __________.

    N a. limit switches
    N b. emergency disconnect switch
    Y c. governor brake
    N d. position of the counterweight on the brake handle

1182: An oxygen indicator can be used to determine if there is __________.

    Y a. sufficient oxygen in a compartment to support life
    N b. combustible gases present
    N c. hydrogen gas present
    N d. All of the above

1782: Which channel has been designated for on-scene communications in GMDSS?

    N a. 24
    N b. 2182
    N c. 70
    Y d. 16 and 2174.5

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

1876: A sailing vessel with the wind coming from 140° relative would be __________.

    N a. close hauled on the starboard tack
    N b. close hauled on the port tack
    Y c. on a broad reach
    N d. running before the wind

1878: The liquid mud tanks on your vessel measure 20'L by 18'B by 7'D. The vessel's displacement is 866 T and the specific gravity of the mud is 1.8. What is the reduction in GM due to 2 of these tanks being slack?

    N a. 0.24 foot
    N b. 0.56 foot
    N c. 0.95 foot
    Y d. 1.12 feet

2048: Your drafts are: FWD 6'-02", AFT 6'-08". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 23 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )

    Y a. 6 tons
    N b. 12 tons
    N c. 18 tons
    N d. 24 tons

2109: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.

    Y a. change course and put the stern to the wind
    N b. remain on course and hold speed
    N c. change course to put the wind on either beam and increase speed
    N d. remain on course but slack the speed

2121: A life float on a fishing vessel must be equipped with __________.

    N a. smoke flares
    Y b. a life line
    N c. a hydrostatic release
    N d. a signal mirror

2171: The approval period for a shipboard Oil Pollution Emergency Plan expires after __________.

    N a. two years
    N b. three years
    N c. four years
    Y d. five years

2269: To what chemical family does ethylene oxide belong?

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

2334: Which flash point would indicate a grade E combustible liquid?

    N a. 80°F
    N b. 75°F
    N c. 140°F
    Y d. 155°F

2378: A vessel's drafts are FWD 23'-01", AFT 24'-11". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if: (1) 142 tons are discharged 122 feet forward of amidships; (2) 321 tons are loaded 82 feet forward of amidships; and (3) 74 tons are discharged 62 feet aft of amidships.

    N a. FWD 23'-05", AFT 24'-00"
    N b. FWD 23'-06", AFT 24'-02"
    N c. FWD 23'-07", AFT 24'-03"
    Y d. FWD 23'-09", AFT 24'-05"

2555: When hoisting personnel from a vessel, with the MODU cranes, the crane operator must assure that __________.

    N a. the personnel carrier remains directly over the vessel
    N b. all personnel are inside the net type carrier
    Y c. the personnel carrier remains directly over water
    N d. he does not swing the load until it is above the landing area

2802: Your vessel's drafts are: FWD 14'-11", AFT 15'-09"; and the KG is 18.2 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 2.0 feet off the centerline.

    N a. 9°
    Y b. 12°
    N c. 16°
    N d. 19°

2863: You are berthed at a cargo facility where you have just completed discharging a dangerous cargo from your barge. You must complete topside repairs on the barge involving hot work before sailing. Which statement is TRUE?

    N a. You can make repairs with permission of the facility owner since you are empty and the cargo is on the facility.
    N b. The repair area must be inspected by a marine surveyor to ensure that it can be done safely.
    N c. Hot work repairs at such a facility are prohibited.
    Y d. The Captain of the Port may give specific approval to make hot work repairs.

2922: Whenever practicable, the Certificate of Inspection must be posted __________. (small passenger vessel regulations)

    N a. as high as feasible in the pilot house
    N b. near the area where passengers embark
    N c. in any location desired
    Y d. in a conspicuous place where it will most likely be observed by the passengers

3048: What is required for a dry exhaust pipe? (small passenger vessel regulations)

    Y a. Noncombustible hangers and supports
    N b. Insulation from combustible material
    N c. An automatic damper
    N d. A rain spray and spray cap

3247: A semisubmersible with displacement of 19,700 long tons and KG of 50.96 feet loads 300 long tons of barite into P-tanks located 120 feet above the keel. What is the change in KG?

    N a. 0.79 foot upward
    N b. 1.00 foot upward
    Y c. 1.04 feet upward
    N d. 1.83 feet upward

3250: Which statement is TRUE concerning fire hose on a small passenger vessel?

    N a. Fire hose shall be at least 3/4" outside diameter.
    N b. One length of fire hose shall be provided for every two fire hydrants.
    N c. All fittings on hoses shall be of steel or other ferrous metal.
    Y d. A length of hose with nozzle attached shall be attached to each fire hydrant at all times.

3279: You have orders to drop off a barge loaded with propylene oxide at a fleet. In doing so, you must ensure that __________.

    N a. all wing voids and rakes are pumped dry before tying off the barge
    N b. the barge is moored next to the bank where it will be protected from a possible collision
    Y c. the barge is under the care of a watchman
    N d. a rake end is facing upstream to minimize the effect of current on the mooring lines

3378: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 1 while using a single belt loader to arrive at a desired mean keel draft of 29'-11"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)

    Y a. 2230 tons
    N b. 2270 tons
    N c. 2310 tons
    N d. 2350 tons

3381: The DEEP DRILLER, at a mean draft of 60 feet, has a two-foot trim by the head and a three foot list to starboard. What is the draft at the port aft draft mark?

    Y a. 57.5 feet
    N b. 59.5 feet
    N c. 60.5 feet
    N d. 62.5 feet

3412: Your vessel's existing draft is FWD 24'-08", AFT 25'-04". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 180 long tons are loaded in No. 23 hatch.

    N a. FWD 24'-04 2/3", AFT 25'-10 3/4"
    Y b. FWD 24'-06 1/2", AFT 25'-08 2/3"
    N c. FWD 24'-08 1/4", AFT 25'-00 2/3"
    N d. FWD 24'-10 1/4", AFT 25'-00 1/4"

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

3491: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard forward column below the waterline. Pumping from tank 2S and 3S is not sufficient to prevent increasing starboard list and bow down trim. You should consider counterflooding in tank __________.

    N a. 2P
    N b. 9P
    N c. C2BP
    Y d. 10P

3540: How should the letter "R" be pronounced when spoken on the radiotelephone?

    Y a. ROW ME OH
    N b. AR AH
    N c. ROA MA O
    N d. AR EE

3706: You are in charge of a fishing vessel with 18 individuals on board. You are required to conduct drills and give safety instruction at least once __________.

    N a. every week
    N b. every 15 days
    Y c. every month
    N d. before you begin fishing

3783: What is the weight of bulk in P-tank #1 of the DEEP DRILLER if the ullage is 2.3 feet?

    N a. 34.3 long tons
    Y b. 58.0 long tons
    N c. 83.6 long tons
    N d. 121.9 long tons

3826: You have abandoned ship and are in charge of a liferaft or survival craft. How much water per day should you permit each person to have after the first 24 hours?

    N a. 1 can
    Y b. 1 pint
    N c. 1 quart
    N d. 1 gallon

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

4106: In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by __________.

    N a. conduction
    N b. ventilation
    N c. radiation
    Y d. convection

4120: Which of the following would be of immediate concern after discovering a large fire in the ship's galley?

    N a. An adjacent storeroom, containing spare parts
    Y b. A storeroom directly above, containing combustible fluids
    N c. An adjacent storeroom, containing mattresses and linen
    N d. An adjacent storeroom, marked "Stewards Stores"

4160: Your vessel's drafts are: FWD 18'-09", AFT 20'-05"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.

    N a. 0.9 feet
    Y b. 2.1 feet
    N c. 4.0 feet
    N d. 5.9 feet

4415: While in ocean transit, the COASTAL DRILLER has a roll period of 9 seconds. What is the largest angle each side of vertical that does not exceed the design limits of the legs in good weather?

    N a. 14°
    N b. 11°
    N c. 9°
    Y d. 7°

4594: As shown, a frapping line is indicated by number __________. (D016SA )

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

4661: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the #1 drill water tank are discharged, what would be the new LCG?

    N a. 118.46 feet AF0
    N b. 119.44 feet AF0
    N c. 119.98 feet AF0
    Y d. 120.42 feet AF0

5655: When the air temperature is just below 32°F, snow FIRST adheres to __________.

    N a. surfaces near the waterline
    N b. vertical surfaces
    Y c. horizontal surfaces
    N d. leeward surfaces

5708: On a vessel of 6500 tons displacement, a tank 30 ft. long, 32 ft. wide and 18 ft. deep is half filled with liquid cargo (S.G. 1.048) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?

    N a. 1152
    N b. 1336
    Y c. 2390
    N d. 2731

5791: In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 400 feet water depth, the tensions in mooring lines 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about __________.

    N a. 375 kips
    Y b. 330 kips
    N c. 275 kips
    N d. 220 kips

6621: Locations on a MODU where flammable hydrocarbon gas or vapors may accumulate due to drilling operations are defined as __________.

    N a. gaseous locations
    N b. hazardous locations
    Y c. classified locations
    N d. designated locations

7129: Some spaces protected by fixed carbon dioxide systems are required to have audible alarms that begin sounding prior to the discharge of CO2. This time delay must be at least __________.

    N a. 15 seconds
    Y b. 20 seconds
    N c. 45 seconds
    N d. 90 seconds

7417: You receive a call from the U.S. Coast Guard addressed to all stations. The call begins with the words "Pan-Pan" (3 times). Which type of emergency signal would this be?

    N a. Safety signal
    Y b. Urgency signal
    N c. Distress signal
    N d. Red alert signal

8054: A thrust block is designed to __________.

    N a. transmit the thrust of the engine to the propeller
    Y b. transmit the thrust of the propeller to the vessel
    N c. absorb the shock of wave pressure at the bow
    N d. be placed between the engines and the foundation to absorb the vibration

8161: A semisubmersible, displacing 20,500 long tons, has vertical moments of 1,060,000 foot-long tons. What is the change in KG if 500 long tons are discharged from a VCG of 120 feet?

    N a. 1.22 feet downward
    Y b. 1.71 feet downward
    N c. 1.75 feet downward
    N d. 2.93 feet downward

8353: What power source actuates a solenoid valve?

    N a. Air pressure
    N b. Hydraulic pressure
    Y c. Electric current
    N d. Mechanical force

8755: While elevated, the COASTAL DRILLER prepares for a severe storm. When the setback is lowered and placed in the pipe racks, it is considered as part of the __________.

    N a. fixed loads
    N b. basic loads
    Y c. variable loads
    N d. storm loads

9471: What is used as an indicator of initial stability?

    Y a. GM
    N b. KG
    N c. KM
    N d. GZ

9535: When stability of a vessel is neutral, the value of GM __________.

    N a. only depends on the height of the center of gravity
    N b. only depends on the height of the metacenter
    N c. is greater when G is low
    Y d. is zero

9535: When stability of a vessel is neutral, the value of GM __________.

    N a. only depends on the height of the center of gravity
    N b. only depends on the height of the metacenter
    N c. is greater when G is low
    Y d. is zero