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.


90: Refer to the illustration below. Which represents the righting arm? (D001SA )


139: When fighting a fire in an enclosed space, the hose team should crouch as low as possible to __________.


406: A SOLAS passenger ship safety certificate is required on all __________.


422: The all-purpose nozzle will produce a fog spray when you __________.

    N a. pull the nozzle handle all the way back toward the operator
    Y b. pull the nozzle handle back to a position where the handle is perpendicular to the plane of the nozzle
    N c. push the nozzle handle forward as far as it will go
    N d. insert a fog applicator between the fire hose and nozzle

792: What is an advantage of a dry chemical extinguisher as compared to a carbon dioxide extinguisher?

    N a. It has a greater duration.
    N b. It provides a heat shield for the operator.
    N c. It is nontoxic.
    Y d. It offers lasting, effective protection against burn-back.

937: On a class "B" fire, which portable fire extinguisher would be the LEAST desirable?

    N a. Carbon dioxide
    Y b. Water (stored pressure)
    N c. Dry chemical
    N d. Foam

963: Your vessel has a displacement of 19,800 tons. It is 464 feet long, and has a beam of 64 feet. You have timed its full rolling period to be 21.0 seconds. What is your vessel's approximate GM?

    N a. 1.1 ft
    N b. 1.3 ft
    N c. 1.6 ft
    Y d. 1.8 ft

989: First-, second-, and third-degree burns are classified according to the __________.

    N a. area of the body burned
    N b. source of heat causing the burn
    Y c. layers of skin affected
    N d. size of the burned area

1016: What is the maximum length of time that distress flares are approved for?

    N a. 1 and 1/2 years
    N b. 2 years
    Y c. 3 and 1/2 years
    N d. 5 years

1108: The vapor pressure of a substance __________.

    Y a. increases with the temperature
    N b. decreases as temperature increases
    N c. is not affected by temperature
    N d. may increase or decrease as the temperature rises

1232: A marine chemist issues gas free certificates and is certified by which organization?

    N a. Mine Safety Appliance Association
    N b. American Chemical Society
    N c. Marine Chemists Association
    Y d. National Fire Protection Association

1295: If you must land on a beach with an oar-propelled lifeboat through a heavy surf, the recommended method is to __________.

    N a. keep the bow directly in toward the beach, and tow the sea anchor off the stern
    N b. ride in on the back of a large breaker
    Y c. keep the bow into the seas with the sea anchor out over the bow, and row to meet the breaking waves
    N d. head directly into the beach by staying between the crests of the waves

1451: Before counterflooding to correct a list, you must be sure the list is due to __________.

    N a. negative GM
    N b. flooding
    Y c. off-center weight
    N d. reserve buoyancy

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

1649: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.

    N a. true wind velocity increases
    N b. heeling moment decreases
    N c. side slip decreases
    Y d. jib sheet must be hardened up

1655: Which space(s) on your cargo vessel must have a fire detection system?

    N a. Any compartment containing explosives
    N b. Any compartment adjacent to one containing explosives
    N c. Enclosed spaces which are "specially suitable for vehicles"
    Y d. All of the above

1688: Each commercial fishing vessel must have at least one immersion suit, exposure suit, or life preserver for each __________.

    Y a. person aboard
    N b. person working on deck
    N c. crew member
    N d. None of the above are correct.

1927: On offshore drilling units, the minimum number of inclined ladders which must be fitted between each weather deck is __________.

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

2033: How is "radio silence" imposed?

    Y a. By the Rescue Coordination Center (RCC) controlling the distress communications on that frequency or channel
    N b. By the Coast Earth Station (CES) controlling the distress communications on that frequency or channel
    N c. By the Public Correspondence Station (PCS), controlling the distress communications on that frequency or channel
    N d. By the High Seas Service (HSS) controlling the distress communications on that frequency or channel.

2286: What is the boiling point of carbon disulfide?

    N a. 167°F
    Y b. 115°F
    N c. 111°F
    N d. 46°F

2335: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?

    Y a. Chain reaction
    N b. Electricity
    N c. Pressure
    N d. Smoke

2353: Which documents are required by GMDSS for vessels on international voyages (other than the Great Lakes)?

    N a. A copy of the IMO master plan of shore-based facilities
    N b. Station logs
    N c. 47 CFR Part 80 FCC Rules and Regulations
    Y d. All of the above

2372: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 23.0 feet, and the drafts are: FWD 15'-03", AFT 15'-09"; at what angle will the vessel lose positive stability?

    N a. 57°
    N b. 72°
    N c. 81°
    Y d. 90°

2433: The pipe and special fittings used on floating offshore drilling rigs to establish a connection between the top of the wellbore, which is on the ocean floor, and the drilling equipment, located above the surface of the water, is called a __________.

    Y a. marine riser pipe
    N b. marine casing
    N c. guide pipe
    N d. guide base casing

2452: Your vessel's drafts are: FWD 22'-03", AFT 22'-09"; and the KG is 23.2 feet. What is the righting moment when the vessel is inclined to 30°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

    N a. 20,790 foot-tons
    N b. 22,200 foot-tons
    Y c. 25,520 foot-tons
    N d. 28,080 foot-tons

2458: To find the product Valeral in the Chemical Data Guide, you would have to look up the product __________.

    N a. Acrylic acid
    N b. iso-Valeraldehyde
    Y c. n-Valeraldehyde
    N d. Vinyl acetate

2534: According to the Chemical Data Guide, which reactive group(s) is/are not compatible with the products polybutene and o-xylene?

    Y a. Nitric acid
    N b. Amides
    N c. Alcohols, glycols
    N d. Phenols, cresols

2578: Your vessel displaces 9,000 tons and has a KG of 21.2 feet. What will be the length of the remaining righting arm at an angle of inclination of 30° if the center of gravity shifts 2.6 feet transversely? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)

    N a. 3.8 feet
    N b. 2.2 feet
    Y c. 1.4 feet
    N d. 0.9 foot

2654: Name one major advantage of transporting gas under refrigeration.

    N a. It increases its volume.
    Y b. It reduces its volume.
    N c. It has less product per volume.
    N d. None of the above

2885: The SS AMERICAN MARINER arrived in port with drafts of: FWD 28'-04", AFT 29'-10". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts.

    Y a. FWD 26'-04", AFT 30'-00"
    N b. FWD 26'-06", AFT 29'-10"
    N c. FWD 26'-08", AFT 29'-08"
    N d. FWD 26'-10", AFT 29'-06"

2958: The discharge side of every fire pump must be equipped with a __________.

    N a. gate valve
    Y b. pressure gauge
    N c. check valve
    N d. strainer

2968: Air-cooled radiators for gasoline propulsion engine cooling __________. (small passenger vessel regulations)

    N a. must be approved for marine use
    N b. must have a double fan installation
    N c. must be filled with fresh water
    Y d. are permitted on vessels less than 65 feet carrying not more than 12 passengers

2999: The use of portable electrical equipment in the pumproom on tank barges is prohibited unless __________.

    N a. the pumproom is gas-free
    N b. spaces with bulkheads common to the pumproom are either gas-free, inert, filled with water, or contain grade E liquid
    N c. all other compartments in which flammable vapors and gases may exist are closed and secured
    Y d. All of the above

3124: On a life float or buoyant apparatus, the life line is __________. (small passenger vessel regulations)

    Y a. secured around the sides and ends in bights of not longer than three feet
    N b. woven into a net and secured in the center of the float
    N c. used for securing unconscious persons to the sides
    N d. the lanyard for securing provisions

3390: Non-required lifesaving equipment carried as additional equipment aboard small passenger vessels __________.

    N a. must be removed when carrying passengers
    Y b. must be approved by the Commandant
    N c. may be substituted for not more than 5% of the required lifejackets
    N d. may be carried regardless of approval or condition, if in excess of required lifesaving equipment

3502: How many self-contained breathing apparati are required aboard a 500 ton passenger vessel in river service with 75 passenger staterooms?

    N a. 0
    Y b. 1
    N c. 2
    N d. 3

3674: Which condition represents the appropriate time for setting off distress flares and rockets?

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

3710: 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.

3833: Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 1P to Tank 10S using #1 ballast pump, is valve __________.

    Y a. 33 Starboard
    N b. 44 Starboard
    N c. 33 Port
    N d. 44 Port

3946: Fusible-link fire dampers are operated by __________.

    N a. a mechanical arm outside the vent duct
    Y b. the heat of a fire melting the link
    N c. electrical controls on the bridge
    N d. a break-glass and pull-cable system

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

4174: Each EPIRB shall be tested using the integrated test circuit and output indicator every __________.

    N a. week
    N b. two weeks
    Y c. month
    N d. quarter

4393: Environmental loading consists of the forces caused by wind, waves, and __________.

    N a. drilling
    N b. soil reactions
    N c. temperature
    Y d. current

4453: When transferring survivors from a survival craft to a rescue vessel, personnel on board the craft should __________.

    N a. remove their life preservers to make it easier to climb on board the rescue vessel
    N b. climb on top of the survival craft while waiting for their turn to transfer to the rescue vessel
    Y c. remain seated inside the survival craft and make the transfer one person at a time
    N d. enter the water and swim over to the rescue vessel

4636: What will be released by pulling on line number 5? (D012SA )

    N a. Frapping line
    N b. Gripes
    Y c. Tricing pendant
    N d. Lifeboat

6071: On offshore drilling units fitted with fixed CO2 systems, the system must withstand a bursting pressure of at least __________.

    N a. 5,000 pounds per square inch
    Y b. 6,000 pounds per square inch
    N c. 8,000 pounds per square inch
    N d. 10,000 pounds per square inch

6075: On offshore drilling units fitted with CO2 systems, each space that contains a cylinder must be vented and designed to keep temperature in the space at not more than __________.

    Y a. 130°F
    N b. 150°F
    N c. 180°F
    N d. 200°F

6624: The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise is ___________,

    N a. red
    N b. white
    Y c. green
    N d. red

6731: During the required periodic abandon ship drill aboard a MODU, each person not assigned duties in the muster list is __________.

    N a. instructed in the use of portable fire extinguishers
    N b. shown a video demonstrating lifeboat launching
    Y c. instructed in the use of life jackets
    N d. not required to attend the boat drill

6767: A life preserver or buoyant work vest is required to be worn on a MODU when a person is __________.

    N a. working on the rig floor
    Y b. working over water
    N c. working on the pipe racks
    N d. operating line throwing equipment

6825: The Master or person in charge of a MODU is required to log __________.

    N a. the names of all persons on board
    N b. only the names of the crew members on board
    N c. only the names of passengers on board
    Y d. information on emergency training drills

6967: A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?

    N a. Nearest Oceanographic office
    N b. The Marine Safety Center at Coast Guard Headquarters
    N c. National Ocean Service
    Y d. Nearest Officer in Charge, Marine Inspection

6987: Severe airway burns can cause __________.

    N a. nausea
    N b. reddening of cheeks
    Y c. complete obstruction of respiratory passages
    N d. nosebleed

7056: Your drafts are: FWD 23'-03", AFT 27'-01". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in fresh water.

    N a. 12,550 tons
    Y b. 12,900 tons
    N c. 13,200 tons
    N d. 13,350 tons

7785: The result of multiplying a weight by a distance is a __________.

    Y a. moment
    N b. force
    N c. couple
    N d. center of gravity location

8193: In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as __________.

    N a. hook loads
    N b. setback loads
    N c. rotary loads
    Y d. variable loads

8207: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. The legs should be lowered so that the TOC (tip-of-can) is lowered from 1.20 feet to __________.

    N a. 2.20 feet
    N b. 12.38 feet
    N c. 48.12 feet
    Y d. 60.50 feet

8235: What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?

    N a. Direction is unimportant
    N b. Depends on seat configuration
    Y c. From below the seat
    N d. From above the seat

8645: In the analysis of damaged stability for the DEEP DRILLER, disregarded are the beneficial effects of moorings and __________.

    N a. horizontal area of the platform
    N b. vertical area of the platform
    Y c. countermeasures
    N d. wind strength

9681: What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?

    N a. 10 minutes
    N b. 15 minutes
    Y c. 30 minutes
    N d. 45 minutes