USCG General Deck: 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: Leeway is the __________.


131: You are onboard a 120 GT uninspected sea going tug which carries one Master and one mate of towing vessels, and four seamen when underway. How many of the four seamen must have a rating as able seamen if the voyage is under 600 miles?


314: "Avast" means __________.


320: Containers of flammable solids should be conspicuously labeled by the shipper with a __________.

    N a. green label
    Y b. red and white label
    N c. orange label
    N d. yellow label

418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?

    N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required.
    Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation.
    N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed.
    N d. The possibility of any sweat problem, either cargo or ship, is remote.

427: What is the greatest danger of an overriding tow?

    N a. Fouling of the towing hawser
    N b. Loss of steering
    N c. Tripping
    Y d. Collision between the tow and the stern of the towing vessel

606: For operations in pack ice, a vessel should __________.

    N a. be on an even keel
    N b. be trimmed slightly by the head
    Y c. have a drag of not more than 2 to 3 feet
    N d. be ballasted so the forefoot is near the surface

616: "Ice blink" is __________.

    N a. the dark appearance of the underside of a cloud layer due to reflection of a surface of open water
    N b. the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water
    Y c. the yellowish-white glare on the underside of a cloud layer
    N d. "water sky"

625: Which statement is FALSE?

    N a. Your stern is sucked down and your draft increases when going from deep to shallow water.
    N b. Excessive speed while passing moored vessels may cause them to surge and break their moorings.
    N c. Excessive speed while passing a tow being pushed ahead or pushing a tow into an eddy too fast may break up the tow.
    Y d. None of the above

641: Which document shows the minimum required crew a vessel must have to navigate from one port in the United States to another?

    N a. Articles
    Y b. Certificate of Inspection
    N c. Crew List
    N d. Register

665: The catenary __________.

    N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow
    N b. gives an approximation of the amount of strain on the towing hawser
    N c. is the dip in the towing hawser between the tug and the tow
    Y d. All of the above

687: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?

    N a. The vessel's agent
    N b. The owner of the vessel
    N c. The Master of the vessel
    Y d. Any one of the above

696: A vessel traveling down a narrow channel, especially if the draft is nearly equal to the depth of the water, may set off the nearer side. This effect is known as __________.

    N a. smelling the bottom
    N b. squatting
    N c. bank suction
    Y d. bank cushion

733: Before leaving port on an ocean tow, a tug captain should assure himself of all the following EXCEPT __________.

    N a. the towing hawser can be released quickly in an emergency
    N b. the correct navigation lights are rigged and operable on the tug and tow
    Y c. an insurance underwriter has prepared a pre-sailing survey
    N d. a pick-up wire has been rigged on the tow in case of a breakaway.

783: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ___________ .

    N a. evaluate the danger of each closing visual or radar contact
    N b. adjust speed with due regard for the weather and visibility
    Y c. reduce speed only where local speed limits are posted
    N d. enter all required test and inspection results in the vessel's log or other record carried on board

796: When you enter shallow water, you would expect your rudder response to __________.

    Y a. be sluggish and your speed to decrease
    N b. be sluggish and your speed to increase
    N c. improve and your speed to decrease
    N d. improve and your speed to increase

799: Temporary Certificates of Inspection are effective until the __________.

    N a. Solas Certificate is issued
    N b. Load Line Certificate is renewed
    N c. classification society approval is issued
    Y d. permanent Certificate of Inspection is issued

843: If the Master of a US-flag towing vessel replaces any crew member with a non-US citizen, he/she must ensure that the ___________ .

    N a. replacement holds a license or document equivalent in experience and training to a mariner holding US credentials
    N b. replacement can communicate with other crew members to the extent required by regulations
    N c. vessel is on a foreign voyage, outside US jurisdiction, and not operating above the US outer continental shelf
    Y d. all of the above

905: When should you conduct a visual inspection of your towline?

    N a. Whenever its serviceability is in doubt.
    N b. In accordance with the manufacturer's recommendation.
    N c. At least once a month.
    Y d. All of the above

954: In order to correctly open a new coil of manila line, you should __________.

    N a. pull the tagged end from the top of the coil
    Y b. pull the tagged end through the eye of the coil
    N c. secure the outside end and unroll the coil
    N d. unreel the coil from a spool

962: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from New York to Mexico and then returning, a distance in excess of 600 miles. Which statement is FALSE?

    Y a. The crew members are required to sign articles.
    N b. All deck crew members are to have a Merchant Mariner's Document.
    N c. Able seamen are required in the deck crew.
    N d. The sailors shall be divided into three watches.

1129: The main function of a stripping system is to __________.

    N a. maintain the temperature of the cargo throughout the vessel
    N b. dispose of dangerous vapors within the cargo tanks
    N c. increase the loading rate of the shoreside pumps
    Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk

1137: When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water __________.

    N a. to easily remove the kinks that form in the lines
    N b. to allow the seamen on the stage to know the direction and strength of the current
    Y c. to provide the seaman something to hold onto if he or she falls from the stage into the water
    N d. only for short periods of time since they will become waterlogged and be very heavy to pull up

1207: The Tonnage Certificate indicates __________.

    N a. deadweight tons
    N b. displacement tons
    Y c. net tons
    N d. light displacement tons

1275: The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?

    N a. It will have no effect.
    N b. It will increase the holding power.
    Y c. It will reduce the holding power.
    N d. It will cause the anchor to snag.

1277: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 4 OKTAs concentration?

    N a. 25%
    N b. 40%
    Y c. 50%
    N d. 67%

1311: Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit for each __________.

    N a. alien crewmember
    N b. crew member
    Y c. nonresident alien crewmember
    N d. unlicensed crew member

1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?

    N a. Tensile
    N b. Compression
    Y c. Shear
    N d. Strain

1458: The catenary in a towline is __________.

    N a. a short bridle
    Y b. the downward curvature of the hawser
    N c. another name for a pelican hook
    N d. used to hold it amidships

1464: When talking about wire rope, the lay of the wire is the __________.

    Y a. direction wires and strands are twisted together
    N b. number of strands in the wire
    N c. direction the core is twisted
    N d. material used in the core

1484: A metal eye spliced into a wire is called a __________.

    N a. cyclops
    N b. fish eye
    Y c. thimble
    N d. chip

1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.

    Y a. constructive total loss
    N b. salvage loss
    N c. actual loss
    N d. preferred loss

1771: The agency which assigns load lines and issues Load Line Certificates is the __________.

    Y a. American Bureau of Shipping
    N b. Secretary of Commerce
    N c. U.S. Customs
    N d. U.S. Coast Guard

1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.

    N a. directly in line with the bow
    N b. side by side, with their lines on the port and starboard side
    Y c. so that their lines form an angle
    N d. on top of one another

1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.

    Y a. the towing vessel should slip first
    N b. the vessel towed should slip first
    N c. they should slip simultaneously
    N d. either vessel may slip first

1928: Which towing method maintains the most control over the tow?

    N a. Tandem towing
    N b. Honolulu towing
    N c. Tandem tug towing
    Y d. Breasted tug towing

1933: When checking a mooring line, you should __________.

    N a. ensure the bight is not fouled between the ship and the dock by taking up slack
    N b. pay out slack smartly and keep free for running
    N c. secure more turns to hold the line against any strain, then clear the area
    Y d. surge the line so that it maintains a strain without parting

2011: The structural member indicated by the letter K is a __________. (D033DG )

    N a. longitudinal frame
    N b. stringer
    N c. girder
    Y d. floor

2109: What is NOT an item that requires the vessel to be dry-docked?

    N a. Inspection of tail shaft liner
    N b. Repacking and grinding of skin valves
    Y c. Verification of load line measurements
    N d. Belt gauging

2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?

    N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence.
    Y b. The CSS must be established by mutual agreement between the ships concerned.
    N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present.
    N d. The first vessel to arrive at the distress incident is designated as the CSS.

2188: The forecastle card is a(n) __________.

    N a. quarters allocation
    N b. Muster List ("Station Bill")
    N c. unlicensed shipping card from the union
    Y d. copy of the shipping agreement

2248: A "wet cargo" refers to __________.

    N a. a cargo that will be damaged if it gets wet
    N b. bulk liquids
    N c. cargoes that will cause condensation
    Y d. liquids in containers

2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?

    N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide.
    Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid.
    N c. All of these cargoes are compatible.
    N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide.

2479: Which type of weld testing can be used to detect internal flaws?

    N a. Magnetic particle
    N b. Dye penetrant
    Y c. Ultrasonic
    N d. Chemical reaction

2491: Before being certified by the American Bureau of Shipping, anchor chain must undergo __________.

    N a. USCG inspection
    Y b. a breaking test
    N c. x-ray inspection
    N d. spectroanalysis

2557: Which Naval Control of Shipping publication should be aboard your vessel?

    Y a. ATP-2 Vol. II - Allied Control of Shipping Manual
    N b. NWP-II - Underway Replenishment Guide
    N c. Warship Recognition Cards
    N d. ATP-1 - Allied Tactical Signals

2589: The angle at which the anchor flukes penetrate the soil is the __________.

    N a. burial angle
    N b. penetration angle
    Y c. fluke angle
    N d. holding angle

2817: The command "meet her" means the helmsman should __________.

    N a. decrease the rudder angle
    N b. steer more carefully
    Y c. use rudder to slow the vessel's swing
    N d. note the course and steady on that heading

2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.

    N a. 88°F
    Y b. 100°F
    N c. 111°F
    N d. 119°F

2986: Sulfuric acid is a __________.

    N a. clear syrupy liquid with no odor
    Y b. colorless-to-brown liquid with a choking odor when hot
    N c. colorless liquid with a pleasant fruity odor
    N d. whitish liquid with a faint, pleasant odor

3091: Towlines should be inspected for chafing where the towline __________.

    N a. passes over the stern of the towing vessel
    N b. passes through chocks
    N c. is attached to the disabled vessel
    Y d. All of the above

3104: When maneuvering a heavy barge up a wide channel with a tug, the tow may be most closely controlled by making up to the barge __________.

    N a. with a short tow astern
    N b. nearly bow to bow, at a small angle
    N c. amidships, parallel to the barge
    Y d. nearly stern to stern, at a small angle to the barge

3105: On a sea going towing vessel of 150 GT, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?

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

3269: What provides little or no indication that a vessel is dragging anchor?

    Y a. Changing range to an object abeam
    N b. Drift lead with the line tending forward
    N c. The cable alternates between slack and heavy tension
    N d. Changing bearing to a fixed distant object abeam

3360: On a light tow, what could you substitute for a fishplate?

    Y a. heart-shaped shackle
    N b. pelican hook
    N c. swivel
    N d. ring

3518: A tug's horsepower available at the shaft is __________.

    N a. indicated horsepower
    Y b. brake horsepower
    N c. dynamic horsepower
    N d. net horsepower

3722: The next-to-last shot of an anchor cable is usually painted __________.

    N a. white
    N b. international orange
    Y c. yellow
    N d. red

4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.

    N a. American Bureau of Shipping
    Y b. local U.S. Coast Guard Captain of the Port
    N c. National Cargo Bureau
    N d. harbormaster

4022: Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). What action should you take?

    N a. Reduce speed
    Y b. Stop your engines
    N c. Reverse your engines
    N d. Stop your vessel instantly

4187: Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?

    N a. Start ventilation, lower the ramp, notify engine room
    N b. Lower the ramp, start ventilation, notify engine room
    Y c. Notify engine room, lower the ramp, start ventilation
    N d. Start ventilation, notify engine room, lower the ramp