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.


44: The spread of fire is prevented by __________.


102: You are underway when a fire breaks out in the forward part of your vessel. If possible, you should __________.


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


173: While adrift in an inflatable liferaft in hot, tropical weather __________.

    N a. the canopy should be deflated so that it will not block cooling breezes
    N b. the pressure valve may be periodically opened to prevent excessive air pressure
    Y c. deflating the floor panels may help to cool personnel
    N d. the entrance curtains should never be opened

265: The term "discharge", as it applies to the pollution regulations, means __________.

    N a. spilling
    N b. leaking
    N c. pumping
    Y d. All of the above

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

674: A distress frequency used on radiotelephone is __________.

    N a. 400 kilohertz
    Y b. 2182 kilohertz
    N c. 2728 kilohertz
    N d. 8221 kilohertz

699: What is the minimum length of a life floats paddle on a small passenger vessel?

    N a. Three feet
    Y b. Four feet
    N c. Five feet
    N d. Six feet

724: Messages concerning weather conditions transmitted by radiotelephone are preceded by __________.

    N a. MAYDAY
    N b. PAN-PAN
    Y c. SECURITE
    N d. SOS

754: "PAN-PAN" repeated three times over the radiotelephone indicates which type of message will follow?

    N a. Distress
    N b. Safety
    N c. All clear
    Y d. Urgency

862: Dry chemical extinguishers extinguish class B fires to the greatest extent by __________.

    N a. cooling
    N b. smothering
    N c. oxygen dilution
    Y d. breaking the chain reaction

907: An advantage of a dry chemical over a carbon dioxide fire extinguisher is its __________.

    Y a. greater range
    N b. effectiveness on all types of fires
    N c. cleanliness
    N d. All of the above

1169: Your vessel's draft is 24'-06" forward and aft. 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?

    N a. 120 tons
    Y b. 240 tons
    N c. 300 tons
    N d. 480 tons

1296: Hand holds or straps on the underside of an inflatable liferaft are provided __________.

    Y a. to right the raft if it capsizes
    N b. to carry the raft around on deck
    N c. for crewmen to hang on to
    N d. to hang the raft for drying

1311: Which statement about pneumatic chipping tools is TRUE?

    Y a. The operator must wear safety goggles or glasses.
    N b. The equipment must be grounded to prevent shock hazard.
    N c. The chipping mechanism is made of a non-sparking material that is safe to use near explosive atmospheres.
    N d. The needles of the needle-type chipping gun must be replaced when they have been blunted more than 1/2 of their diameter.

1483: The SS AMERICAN MARINER is partially loaded with a GM of 3.1 feet and drafts of: FWD 19'-06", AFT 21'-04". Use the white pages of the Stability Data Reference Book to determine what tank(s) you should ballast to increase the GM to 3.7 feet.

    N a. Tanks: DT1
    Y b. Tanks: DB3, DT8
    N c. Tanks: DB2, DB7
    N d. Tanks: DB5

1584: Your vessel has 3 lifeboats on each side. The aftermost boat on the port side is designated as boat number __________.

    Y a. 6
    N b. 5
    N c. 3
    N d. 3 PORT

1611: How should longitude 116°54.9'E be written when preparing an AMVER report?

    N a. Q1169
    N b. 116.9E
    Y c. 11655E
    N d. 117E

1614: You may have to give artificial respiration after a/an __________.

    N a. drowning
    N b. electrocution
    N c. poisoning
    Y d. All of the above

1817: Offshore drilling units that carry twelve or more persons on a voyage of more than three days must have a __________.

    N a. recreation room
    N b. radar room
    Y c. hospital space
    N d. navigation space

1934: Which piece of required GMDSS equipment is the primary source of transmitting locating signals?

    N a. Radio Direction Finder (RDF)
    Y b. An EPIRB transmitting on 406 MHz
    N c. Survival Craft Transceiver
    N d. A SART transmitting on 406 MHz

1980: What product is considered a noxious liquid substance for regulatory purposes?

    N a. Dodecyl methacrylate
    N b. Asphalt
    N c. Camphor oil
    Y d. Latex

2142: What is meant by the term "overhaul" in firefighting?

    N a. Slow down the spread of fire by cooling adjacent structures
    N b. Cover the fire with foam
    N c. Smother the fire with a blanket or similar object
    Y d. Break up solid objects to ensure that any deep seated fires are extinguished

2296: Regulations require that cargo pumps in tank vessels carrying grade D liquid cargo shall be isolated from sources of vapor ignition by __________.

    N a. cofferdams
    Y b. gastight bulkheads
    N c. passageways or living quarters
    N d. general cargo spaces

2377: The operation of hoisting the drill stem out of and returning it to the wellbore is called a __________.

    N a. fish
    N b. thribble
    Y c. trip
    N d. tour

2427: What is the female section of a tool joint called?

    N a. Stem
    N b. Pin
    Y c. Box
    N d. Stand

2518: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0067

    N a. 4.0 feet
    N b. 5.6 feet
    Y c. 6.0 feet
    N d. 6.8 feet

2531: What is the fundamental purpose for imposing radio silence?

    N a. To ensure that interference to proprietary communications is minimized
    N b. To ensure that only voice communications can be effected on the distress frequency or channel
    N c. To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages
    Y d. To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized

2631: In MODU construction, beam brackets are triangular plates that join the deck beam to a __________.

    N a. bulkhead
    Y b. frame
    N c. stanchion
    N d. deck longitudinal

2955: For a floating MODU, the center of buoyancy and the metacenter are in the line of action of the buoyant force __________.

    N a. only when there is positive stability
    N b. only when there is negative stability
    N c. only when there is neutral stability
    Y d. at all times

3033: The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.

    N a. volume of liquid in the tank
    Y b. volume of displacement of the vessel
    N c. location of the tank in the vessel
    N d. height of the center of gravity of the vessel

3147: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the starboard forward column below the waterline. You should pump from tank __________.

    N a. C1S
    N b. 8S
    N c. 2P
    Y d. 1S

3330: A carbon dioxide fire extinguisher is required to be recharged if the weight loss exceeds what percentage of the weight of the charge? (small passenger vessel regulations)

    N a. One percent
    N b. Five percent
    N c. Seven percent
    Y d. Ten percent

3493: The longitudinal distance between draft marks for the DEEP DRILLER is __________.

    N a. 122'-09"
    Y b. 164'-00"
    N c. 260'-00"
    N d. 260'-05"

3671: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Pumping from tanks 2S and 9S is not sufficient to prevent increasing starboard list. You should consider counterflooding in tank __________.

    N a. 2P
    N b. 9P
    N c. C2BS
    Y d. C2BP

3743: An unconscious person should NOT be __________.

    N a. placed in a position with the head lower than the body
    N b. given an inhalation stimulant
    Y c. given something to drink
    N d. treated for injuries until conscious

3793: When the ullage is 6.4 feet in P-Tank #5 for the Deep Driller, what is the value of the longitudinal moment?

    N a. -2,254 foot-tons
    N b. -2,949 foot-tons
    N c. -3,392 foot-tons
    Y d. -4,249 foot-tons

4139: Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by __________.

    N a. regulating the oil flow with the six-way valve
    N b. moving the automatic differential valve
    N c. moving the follow up indicator which regulates the six-way valve
    Y d. varying the angle of a tilting box or eccentricity of a floating ring

4224: You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer zone after steaming eleven days, and you will enter the winter zone after a total of fourteen days. You will consume 36 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.025, and the average TPI is 51. What is the minimum freeboard required at the start of the voyage? (Get Table Data)

    N a. 75.0 inches
    N b. 76.0 inches
    N c. 79.5 inches
    Y d. 81.0 inches

4491: The COASTAL DRILLER, with a displacement of 13,553 kips, has a draft of __________.

    N a. 10.5 feet
    N b. 11 feet 6 inches
    N c. 11 feet 2 inches
    Y d. 10 feet 5 inches

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°

5121: What danger is presented if a waterspout passes over a MODU?

    N a. Heavy rains could cause downflooding.
    N b. Visibility could be restricted by low clouds.
    N c. Large waves could cause structural damage.
    Y d. Personnel may be injured by loose deck gear blown by the wind.

5314: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". 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-0176

    N a. 1.05 feet
    N b. 1.15 feet
    Y c. 1.25 feet
    N d. 1.31 feet

5485: The maximum angular tolerance for a bent link of an anchor chain is __________.

    N a. 1 degree
    Y b. 3 degrees
    N c. 5 degrees
    N d. 7 degrees

5616: You are tending the lifeline of a man who entered a tank using a breathing apparatus. How many tugs on the lifeline indicate that the man should come out immediately?

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

6049: While proceeding to a distress site, you hear the words "Seelonce mayday" on the radiotelephone. Which action should you take?

    N a. Resume base course and speed as your assistance is no longer required.
    N b. Acknowledge receipt and advise your course, speed, and ETA.
    N c. Relay the original distress message as no other vessel has acknowledged it.
    Y d. Monitor the radiotelephone but do not transmit.

6107: The preferred agent used in fighting a helicopter crash fire on a MODU is __________.

    N a. CO2
    N b. dry chemical
    N c. water
    Y d. foam

6426: Your drafts are: FWD 21'-03", AFT 26'-00". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.

    Y a. 2.8 feet forward
    N b. 2.1 feet forward
    N c. 1.6 feet forward
    N d. 1.9 feet aft

6573: To determine the number of industrial personnel allowed on a mobile offshore drilling unit, you should check the __________.

    N a. Muster List ("Station Bill")
    N b. Safety of Life at Sea Certificate
    Y c. Certificate of Inspection
    N d. Operations Manual

6643: How many adult life jackets are required on board a MODU?

    N a. Enough for 100 percent of the persons allowed on board
    N b. One for each work station and industrial work site
    N c. Enough for 150 percent of the persons allowed on board
    Y d. Both A & B above

7351: The range of a SSB transmission is MOST affected by __________.

    N a. atmospheric noise and radiated power
    Y b. the frequency band selected and time of day or night
    N c. interference and position of the moon
    N d. radiated power and nearness to shore

8257: When taking soundings on a floating MODU, the tape should be lowered and brought back quickly to __________.

    N a. reduce the time the sounding tube is open
    N b. avoid creating a spark
    Y c. lessen the effect of roll or pitch on the reading
    N d. lessen the effect of heave on the reading

8587: The person assigned to command a lifeboat or inflatable liferaft on a MODU shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person's __________.

    N a. home address
    Y b. duties
    N c. home phone number
    N d. nearest relative's address

8597: On offshore drilling units, the EPIRB on board is required to be tested __________.

    N a. daily
    N b. weekly
    Y c. monthly
    N d. yearly

9285: A floating jack-up with displacement of 16,200 kips has its LCG 110.37 feet aft of frame zero (AF0). If 200 short tons are discharged from 120 feet AF0 and 400 short tons are discharged from 150 feet AF0, what is the new LCG?

    Y a. 108.0 feet
    N b. 109.2 feet
    N c. 110.4 feet
    N d. 115.8 feet

9323: A fuel-air mixture below the lower explosive limit is too __________.

    N a. rich to burn
    Y b. lean to burn
    N c. cool to burn
    N d. dense to burn

9387: When should you use distress flares and rockets?

    Y a. Only when there is a chance of their being seen by rescue vessels
    N b. At half-hour intervals
    N c. At one-hour intervals
    N d. Immediately upon abandoning the vessel

9413: When anchoring in an area with a hard bottom, the fluke angle of an anchor should be set at __________.

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

9443: The magnitude of a moment is the product of the force and __________.

    N a. time
    Y b. lever arm
    N c. displacement
    N d. angle of inclination

9597: The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival), when an unexpected, slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the longitudinal free surface correction is __________.

    N a. 0.90 foot
    N b. 0.83 foot
    N c. 0.57 foot
    Y d. 0.49 foot