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.


17: The atmosphere in a tank is too rich when it is __________.


20: If the vertical center of gravity (VCG) of a ship rises, the righting arm (GZ) for the various angles of inclination will __________.


52: Which statement is TRUE concerning inert gas systems on tank vessels?


247: During a stability test on a small passenger vessel __________.

    N a. the vessel must be moored snugly
    N b. each tank must be partially full to show it does not leak
    N c. all dunnage, tools, and extraneous items are secured
    Y d. water under vessel must be deep enough to prevent grounding

258: In any major injury to a person, first aid includes the treatment for the injury and __________.

    N a. application of CPR
    N b. removal of any foreign objects
    N c. administration of oxygen
    Y d. for traumatic shock

433: If passengers are on board when an abandon ship drill is carried out, they should __________.

    Y a. take part
    N b. watch
    N c. go to their quarters
    N d. stay out of the way and do what they want

455: Fuel for use on a vessel (300 GT or more constructed before July 1, 1974) may be carried in independent tanks forward of a collision bulkhead if the __________.

    Y a. tanks were designated, installed, or constructed for fuel oil carrying before July 1, 1974
    N b. tank is 18 inches inboard of the hull structure
    N c. shell of the tank is of the same thickness or greater than that of the vessel's hull
    N d. fuel has a flash point above 180°F

562: One gallon of high expansion foam solution will produce __________.

    N a. 8 to 10 gallons of foam
    N b. 25 to 50 gallons of foam
    N c. 100 to 200 gallons of foam
    Y d. 500 to 1000 gallons of foam

589: Fires are grouped into what categories?

    Y a. Class A, B, C, and D
    N b. Type 1, 2, 3, and 4
    N c. Combustible solids, liquids, and gases
    N d. Flammable solids, liquids, and gases

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

777: On small passenger vessels a gasoline engine must be fitted with __________.

    N a. A means of backfire flame control
    N b. A lubricating oil pressure gauge and a tachometer
    N c. Jacket water discharge temperature gauges
    Y d. All of the above

833: While reading the muster list you see that "3 short blasts on the whistle and 3 short rings on the general alarm bells" is the signal for __________.

    N a. abandon ship
    Y b. dismissal from fire and emergency stations
    N c. fire and emergency
    N d. man overboard

898: A galley grease fire would be classified as which class of fire?

    N a. A
    Y b. B
    N c. C
    N d. D

1026: A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry __________.

    N a. 8 liters of fresh water
    N b. 12 units of provisions
    Y c. 12 liters of fresh water
    N d. 24 units of provisions

1063: Gasoline tank vent lines on board small passenger vessels must be fitted with removable flame screens __________.

    N a. and 30 square inches of louvers
    N b. three inches in diameter with a check valve to prevent water from entering in heavy weather
    N c. three inches in circumference inside the fill pipe
    Y d. consisting of a single screen of at least 30 X 30 mesh, corrosion resistant wire

1087: A combination or all-purpose nozzle produces __________.

    N a. low-velocity fog only
    N b. a solid stream only
    N c. a solid stream and foam
    Y d. a solid stream and fog

1258: On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called __________.

    N a. acrylic acid
    N b. benzene
    Y c. oleum
    N d. vinyl toluene

1544: While operating your oceangoing vessel you must keep a record of any discharge or disposal of garbage. These entries shall be made __________.

    N a. before the end of the voyage
    N b. before arriving at your next port
    N c. no later than 24 hours after disposal of the garbage
    Y d. at the time the garbage was disposed

1548: You have abandoned your vessel. You are in a liferaft and have cleared away from your vessel. One of your FIRST actions should be to __________.

    N a. take measures to maintain morale
    N b. prepare and use radio equipment
    N c. identify the person in charge of liferaft
    Y d. search for survivors

1780: How often must a compulsory vessel's GMDSS radio station be inspected?

    N a. Annually, by the U.S. Coast Guard
    Y b. Annually, by the FCC or designated authority
    N c. Annually, by the FCC, and every six months if the vessel sails outside of the Sea Areas A1 and A2
    N d. The FCC's annual inspection may be waived if, and only if, monthly inspections are performed by the vessel's onboard GMDSS Radio Maintainer.

1880: The primary reason for placing covers over storage batteries is to __________.

    N a. prevent the accumulation of explosive gases
    N b. protect the hull from leaking electrolyte
    N c. prevent movement of the battery in rough waters
    Y d. protect against accidental shorting across terminals

1901: Which conditions will normally cause a SART to operate in the active mode?

    N a. It will respond only to interrogation by 9-Ghz radar signals.
    N b. A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high.
    N c. A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10,000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles.
    Y d. All of the above

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

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

2148: Your vessel's drafts are FWD 19'-03", AFT 21'-07". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 142 tons of fuel are pumped 86 feet aft.

    Y a. FWD 18'-09", AFT 22'-01"
    N b. FWD 19'-00", AFT 21'-01"
    N c. FWD 19'-00", AFT 21'-08"
    N d. FWD 19'-01", AFT 21'-04"

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

2182: Your drafts are: FWD 5'-08", AFT 6'-02". From past experience, you know that the vessel will increase her draft 1 inch for every 8 tons loaded. There is rig water on board and 11 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )

    N a. None
    N b. 10 tons
    N c. 18 tons
    Y d. 24 tons

2201: The name of the fishing vessel is NOT required to be marked on a(n) __________.

    N a. EPIRB
    Y b. inflatable liferaft
    N c. life float
    N d. buoyant apparatus

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

2504: A reinspection of the vessel shall be made between which of the following months while the Certificate of Inspection is valid?

    N a. 8 - 12 months
    N b. 10 - 12 months
    Y c. 10 - 14 months
    N d. 12 - 14 months

2521: To enable tying down a helicopter on the landing area of a MODU, the landing deck must be fitted with __________.

    Y a. recessed tie down points
    N b. hydraulically lifted bitts
    N c. air tuggers
    N d. fixed cleats

2543: The boom stops are installed on an offshore crane to __________.

    Y a. prevent the boom from being raised too high
    N b. prevent the boom from swinging
    N c. support the boom when not in use
    N d. prevent the boom from being lowered

2591: Structural bulkheads on a MODU are usually __________.

    N a. continuous
    Y b. watertight
    N c. transverse
    N d. non-watertight

2651: Load line regulations are designed to insure that a MODU has adequate structural strength and sufficient __________.

    N a. lifesaving equipment
    Y b. stability
    N c. mooring tension
    N d. riser tension

2768: Small passenger vessels of less than 100 gross registered tons must be inspected by the Coast Guard when they carry more than __________. (small passenger vessel regulations)

    N a. 12 passengers
    N b. 50 passengers
    Y c. 6 passengers
    N d. 1 passenger

2810: Your vessel assumes an angle of loll of 6° after loading a deck cargo. The drafts are: FWD 16'-00", AFT 16'-05". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the negative GM.

    N a. -1.0 foot
    N b. -0.6 foot
    Y c. -0.1 foot
    N d. -0.02 foot

3078: If you see an individual fall overboard, you should __________.

    N a. throw him/her a life buoy
    N b. hail "man overboard"
    N c. pass the word to the bridge
    Y d. All of the above

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

3281: Preparing to move on a location, you find that you must remove 450 tons of drill water, with a VCG of 8 feet, to enable you to meet the draft limitations. You started with a displacement of 17,000 tons and a KG of 69 feet. What is the KG after pumping out the drill water?

    N a. 49.13 feet
    N b. 59.13 feet
    N c. 69.13 feet
    Y d. 70.66 feet

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

3443: The DEEP DRILLER, at a draft of 60 feet, has a KGT of 57.11 feet and TCG of 0.5 foot to port. What is the list angle?

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

3590: The patrolman, while on duty on a passenger vessel, must have in his possession a(n) __________.

    N a. nightstick
    Y b. flashlight
    N c. passenger list showing assigned berths
    N d. A-I fire extinguisher

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

4188: You are the operator of a 295 GRT uninspected towing vessel. Which type of fire extinguishing system is required on your vessel, if its construction was contracted for before August 27, 2003? (Uninspected Vessel Regulations)

    Y a. Type B-V semi-portable OR a fixed fire-extinguishing system
    N b. Type B-IV semi-portable OR a fixed fire-extinguishing system
    N c. Type B-III semi-portable AND a fixed fire-extinguishing system
    N d. Fixed CO2, AND another fixed fire-extinguishing system

4245: The maximum load line draft for the COASTAL DRILLER is __________.

    N a. 12 feet 8 inches
    N b. 11 feet 7.2 inches
    Y c. 10 feet 10.5 inches
    N d. 10 feet 8.8 inches

4264: Which statement about immersion suits is TRUE?

    Y a. Prior to abandonment, the suit allows body movement such as walking, climbing a ladder and picking up small objects.
    N b. The immersion suit seals in body heat and provides protection against hypoglycemia for weeks.
    N c. The suit is flameproof and provides protection to the wearer while swimming through burning oil.
    N d. The wearer of the suit is severely restricted and requires 1.5 times more time to climb a ladder than without the suit.

4563: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 200 kips are discharged from 60 feet AF0 and 30 feet to starboard of the centerline. What is the starboard leg reaction?

    N a. 4,271 kips
    Y b. 5,393 kips
    N c. 5,410 kips
    N d. 5,571 kips

4573: The total leg load reactions on an independent leg, self-elevating unit include static and __________.

    Y a. environmental loading
    N b. variable loading
    N c. fixed loading
    N d. basic loading

5473: Where do fatigue failures of wire rope mooring lines usually occur?

    N a. In the middle part of the line length
    Y b. Near the socketed end fitting adjacent to the anchor
    N c. At the point where the line touches the bottom
    N d. At the place the anchor buoy is attached to the line

5623: The full period of motion of the DEEP DRILLER while tripping is 10 seconds and the maximum pitch angle as seen on the inclinometers is 8 degrees. From the standpoint of critical motion, the motion is __________.

    N a. unsatisfactory, place setback in the pipe racks
    N b. satisfactory, continue tripping
    Y c. unsatisfactory, deballast to survival draft
    N d. satisfactory, place unit in standby

6241: The objective of shoring the damaged area of a MODU is to __________.

    N a. force the warped, bulged, or deformed sections back into place
    Y b. support and hold the area in the damaged position
    N c. withstand subsequent additional damage
    N d. make a watertight seal at the damaged area

6553: While taking on fuel oil from an offshore supply vessel, the transfer hose leaks, causing a sheen in the water. You should __________.

    N a. continue transfer operations
    N b. repair the leak with duct tape
    N c. reduce the rate of transfer
    Y d. immediately shut down operations

6555: The chemicals in sacks aboard MODU's are palletized to reduce __________.

    Y a. labor in loading and handling
    N b. pilferage
    N c. marking and labeling
    N d. contamination

6607: To determine the number of Able Seamen required on a mobile offshore drilling unit, you should check the __________.

    N a. load line certificate
    N b. Operations Manual
    N c. Safety of Life at Sea Certificate
    Y d. Certificate of Inspection

7397: In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when __________.

    N a. there is a rescue craft in the area
    Y b. there is hydrogen sulfide present
    N c. water temperature is below 40°F
    N d. a rigid survival craft is in the area

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

8288: What is NOT used as a stern tube bearing, on a large vessel?

    N a. Wooden (lignum vitae) strips
    N b. Hard rubber
    N c. Resin bonded composition
    Y d. Bronze bushings

8395: What is the purpose of the intake/exhaust valves in a diesel engine?

    Y a. They regulate the combustion cycle.
    N b. They supply cooling water.
    N c. They synchronize the ignition spark.
    N d. They supply and regulate the lubricant flow.

9317: Which statement is CORRECT with respect to inserting an airway tube?

    Y a. Only a trained person should attempt to insert an airway tube.
    N b. A size 2 airway tube is the correct size for an adult.
    N c. The airway tube will not damage the victim's throat.
    N d. Inserting the airway tube will prevent vomiting.

9451: Initial stability is indicated by __________.

    Y a. GM
    N b. KM
    N c. Deck load
    N d. Maximum allowed KG