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.


213: Most lifeboats are equipped with __________.


338: A man has a burn on his arm. There is reddening of the skin, blistering, and swelling. Using standard medical terminology this is a __________.


453: You must shift a weight from the upper 'tween deck to the lower hold. This shift will __________.


482: The high-velocity fog tip used with the all-purpose fire fighting nozzle should always be __________.

    Y a. attached by a chain
    N b. coated with heavy grease to prevent corrosion
    N c. painted red for identity as emergency equipment
    N d. stored in the clip at each fire station

628: The most likely location for a liquid cargo fire to occur on a tanker would be __________.

    N a. in the midships house
    N b. at the main deck manifold
    N c. at the vent header
    Y d. in the pumproom

690: Those ship's tanks that are particularly important for trimming the ship are the __________.

    N a. domestics
    N b. settlers
    N c. deeps
    Y d. peaks

742: An advantage of an ABC dry chemical over a carbon dioxide extinguisher is __________.

    N a. lack of toxicity
    Y b. the multipurpose extinguishing ability
    N c. burn-back protection
    N d. cooling ability

932: Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of __________.

    N a. the CO2 being inhaled by personnel
    N b. reflash of burning liquids
    N c. vapor condensation on the extinguisher
    Y d. the discharge causing a static spark

964: Which signal is used by a rescue unit to indicate, "Avast hauling"?

    N a. Firing of a green star signal
    Y b. Firing of a red star signal
    N c. An orange smoke signal
    N d. Three white star rockets fired at one-minute intervals

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

1221: Which operation may cause the pressure in an inert tank to fall below the prescribed limits?

    N a. Loading
    Y b. Discharging
    N c. Crude oil washing
    N d. Steaming tanks

1309: On small passenger vessels which type of internal combustion engine carburetor does not require a drip collector?

    N a. Updraft
    N b. Two barrel
    N c. Four barrel
    Y d. Downdraft

1323: How should latitude 51°48.7'S be written when preparing an AMVER report?

    Y a. 5149S
    N b. 51.8S
    N c. 0578S
    N d. 52S

1440: A ship is inclined by moving a weight of 30 tons a distance of 30 ft. from the centerline. A 28-foot pendulum shows a deflection of 12 inches. Displacement including weight moved is 4,000 tons. KM is 27.64 feet. What is the KG?

    Y a. 21.34 feet
    N b. 22.06 feet
    N c. 22.76 feet
    N d. 23.21 feet

1464: What is NOT a function of the air supply of a covered lifeboat?

    N a. Provides air for engine combustion
    Y b. Pressurizes water spray system
    N c. Provides air for passenger respiration
    N d. Prevents smoke and other noxious fumes from entering craft

1597: Which characteristic is an advantage of Halon as a fire extinguishing medium?

    Y a. Electrically non-conductive
    N b. Relatively inexpensive
    N c. Effective against chemicals containing an oxidizer
    N d. All of the above

1732: The blowers of an inert gas generation system aboard a tanker, will be automatically secured if __________.

    N a. normal water supply at the water seal is lost
    N b. the temperature of the inert gas being delivered to the cargo tanks is more than 150°F
    N c. the cooling water supply to the scrubbers is lost
    Y d. all of the above

1773: What must Inland vessels of 100 GT and over be fitted with for oily mixtures?

    N a. A fixed system to discharge the slops overboard
    Y b. A fixed system to discharge oily mixtures to a reception facility
    N c. A portable system to discharge the slops overboard
    N d. A portable system to discharge oily mixtures to a reception facility

1812: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.

    Y a. apparent wind moves forward
    N b. heeling moment decreases
    N c. side slip decreases
    N d. speed increases

1933: The Sailing Plan, required by vessels participating in AMVER, must be sent __________.

    N a. within 12 hours of departure
    N b. within 24 hours of departure
    Y c. within a few hours before or after departure
    N d. prior to departure

2070: You have 360 tons of below deck tonnage and 210 tons of above deck cargo on board. You must load 100 tons of liquid mud below deck. How much more deck cargo can you load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )

    N a. 25 tons
    Y b. 65 tons
    N c. 95 tons
    N d. 175 tons

2146: Aboard damaged vessels, the MOST important consideration is preserving __________.

    N a. bilge pumping capacity
    Y b. reserve buoyancy
    N c. level attitude
    N d. instability

2279: According to the Chemical Data Guide, when burning, the grade B flammable liquid, carbon disulfide produces __________.

    N a. phosgene gas
    N b. sulfuric acid gas
    Y c. sulfur dioxide gas
    N d. carbon tetrachloride

2289: According to the Chemical Data Guide, what is the Reid Vapor Pressure of tert-butylamine?

    Y a. 11 (psig)
    N b. 12 (psig)
    N c. 13 (psig)
    N d. 14 (psig)

2310: A fire pump may be used for other purposes if __________.

    N a. the other services are run off a reducing station with a pressure gage
    Y b. one of the required pumps is kept available for use on the fire main system at all times
    N c. no relief valves are installed
    N d. all of the above conditions are met

2368: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0061

    N a. FWD 22'-02", AFT 25'-08"
    N b. FWD 21'-07", AFT 26'-03"
    Y c. FWD 20'-11", AFT 26'-09"
    N d. FWD 20'-09", AFT 26'-11"

2439: If you observe any situation which presents a safety or pollution hazard during fuel transfer operations which action should you take FIRST?

    N a. Close the valves at the manifold.
    N b. Notify the person in charge of the shore facility.
    Y c. Shut down the operation.
    N d. Sound the general alarm.

2558: Grade C liquids are those having a Reid vapor pressure of __________.

    Y a. 8-1/2 psi or less
    N b. 8-1/2 psi or more
    N c. 14 psi or less
    N d. 14 psi or more

2570: What is NOT a requirement of the reinspection for a tank barge with a certificate of inspection valid for two years?

    Y a. The reinspection will be made between the fourteenth and sixteenth months.
    N b. The inspector shall examine all accessible parts of the vessels's hull.
    N c. The inspector shall examine the vessel's machinery as well as equipment.
    N d. The scope of the reinspection shall be the same as for the inspection for certification, but in less detail.

3036: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0098

    N a. 262.3 ft
    N b. 264.9 ft
    Y c. 268.1 ft
    N d. 270.3 ft

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

3436: After launching, an inflatable raft should be kept dry inside by __________.

    N a. opening the automatic drain plugs
    N b. draining the water pockets
    N c. using the electric bilge pump
    Y d. using the bailers and cellulose sponge

3648: All of the following are recognized distress signals under the Navigation Rules EXCEPT __________.

    Y a. a green star signal
    N b. orange-colored smoke
    N c. red flares
    N d. the repeated raising and lowering of outstretched arms

3701: While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice accumulates on the DEEP DRILLER at an estimated height of 127 feet. Assuming no corrective ballasting, what is the rise in the height of the center of gravity corrected for longitudinal free surface effects?

    N a. 2.62 feet
    N b. 2.20 feet
    Y c. 1.03 feet
    N d. 0.71 foot

3827: What is the change in transverse moments for the DEEP DRILLER if 103.48 long-tons of ballast is transferred from a full ballast tank 1P to an empty ballast tank 10S?

    N a. 15,522 foot-tons increase
    Y b. 15,181 foot-tons increase
    N c. 3,594 foot-tons increase
    N d. 1,797 foot-tons increase

3941: Aboard the DEEP DRILLER, the drill water pump may be used to provide drill water to the deck and __________.

    Y a. supplement the bilge pumps
    N b. provide saltwater service to the deck
    N c. emergency fuel-oil recovery
    N d. supplement the ballast pumps

4010: A ship that, at any time, operates seaward of the outermost boundary of the territorial sea is required to prepare, submit, and maintain a(n) __________.

    N a. synthetic plastic discharge plan
    N b. oil discharge plan
    Y c. shipboard oil pollution emergency plan
    N d. vapor recovery procedures plan

4049: The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged ___________ .

    N a. on each watch, immediately before being relieved
    Y b. before embarking on a voyage of more than 24 hours
    N c. daily, at 1200 local zone time
    N d. weekly, before 0000 Sunday

4063: In the DEEP DRILLER, the longitudinal free surface correction (FSCL) is obtained from the total of the longitudinal free surface moments (FSML) by __________.

    N a. adding the LCG
    N b. subtracting the LCG
    N c. multiplying by displacement
    Y d. dividing by displacement

4081: Visual inspections of survival craft on offshore drilling units, to ensure operational readiness, must be conducted at least once a __________.

    Y a. week
    N b. month
    N c. quarter
    N d. year

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

4267: For the COASTAL DRILLER, what is the maximum rotary load that can be used when the rotary has been extended 40 feet aft of the transom?

    N a. 750 kips
    N b. 630 kips
    Y c. 609 kips
    N d. 531 kips

4287: While in ocean transit at a draft of 10 feet, the Coastal Driller has a maximum allowed KG of __________.

    N a. 42 feet
    N b. 44 feet
    Y c. 65 feet
    N d. 70 feet

4337: The COASTAL DRILLER, following discharge of preload, should __________.

    N a. leave dump valves open
    Y b. close all dump valves
    N c. remove dump valves
    N d. replace dump valves

5286: A vessel is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.

    N a. positive
    N b. negative
    Y c. zero
    N d. vertical

5421: The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new TCG?

    N a. -1.61 feet
    N b. -1.58 feet
    N c. 0.43 feet
    Y d. 0.99 feet

5543: What happens ns to the efficiency of an anchor when it is moved from sand to mud?

    N a. The efficiency increases.
    Y b. The efficiency decreases.
    N c. The efficiency remains the same.
    N d. The efficiency cannot be determined.

6093: On offshore drilling units where foam systems are installed on the heliport, the system must be able to discharge continuously for at least __________.

    Y a. 5 minutes
    N b. 6 minutes
    N c. 8 minutes
    N d. 10 minutes

6157: Smoking in bed on a MODU is prohibited __________.

    Y a. at all times
    N b. during evening hours
    N c. unless another person is present
    N d. during drilling operations

6585: When weight-testing a davit launched liferaft on a mobile offshore drilling unit, the deadweight equivalent for each person in the allowed capacity of the raft is __________.

    N a. 155 pounds
    Y b. 165 pounds
    N c. 175 pounds
    N d. 185 pounds

7005: Chemical burns are caused by the skin coming in contact with __________.

    Y a. acids or alkalies
    N b. diesel oil
    N c. acids, but not alkalies
    N d. alkalies, but not acids

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.

7388: All marine low-speed diesels are of what design?

    N a. Four-stroke
    Y b. Two-stroke
    N c. Electronic ignition
    N d. Forced exhaust

8053: At a speed of 6 knots the fuel aboard a survival craft should last __________.

    N a. 8 hours
    N b. 12 hours
    Y c. 24 hours
    N d. 48 hours

8485: The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.43 feet. What is the trim angle?

    Y a. 2° by the head
    N b. 2° by the stern
    N c. 4° by the head
    N d. 4° by the stern

8585: A MODU must have on board a first-aid kit that is approved by the __________.

    N a. Minerals Management Service
    N b. Occupational Safety and Health Administration
    Y c. Mine Safety and Health Administration
    N d. American Bureau of Shipping

8688: Life floats must be equipped with __________. (small passenger vessel regulations)

    N a. a sea anchor
    N b. a signal mirror
    N c. an EPIRB
    Y d. paddles

8997: Aboard a vessel, multiplying a load's weight by the distance of the load's center of gravity from the centerline results in the load's __________.

    N a. TCG
    Y b. transverse moment
    N c. righting moment
    N d. transverse free surface moment

9113: After using a Halon extinguisher, it should be __________.

    N a. put back in service if more than 50% of the charge remains
    N b. repainted
    N c. discarded
    Y d. recharged

9553: When the height of the metacenter is greater than the height of the center of gravity, a vessel is in __________.

    Y a. stable equilibrium
    N b. neutral equilibrium
    N c. unstable equilibrium
    N d. negative equilibrium