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.


15: Floors aboard ship are __________.


26: The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is __________.


115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.


121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?

    N a. Able Seamen are not required in the deck crew.
    N b. Sailors may stand watch for 6 hours on and 6 hours off.
    N c. A licensed Chief Engineer is required.
    Y d. All crew members must have Merchant Mariner's Documents.

148: Overcarriage is best prevented by __________.

    N a. assuring heavy cargo is stowed low in the vessel
    N b. checking the vessel's load line calculations carefully
    Y c. inspection of the hold at completion of discharge
    N d. stowing the cargo which is to be discharged last on the bottom

188: Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?

    N a. Canned soups packaged in crates
    N b. Cardboard cartons of shoes
    N c. Paper products packaged in rolls
    Y d. Refrigerated fruit that is ripening

236: As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as __________.

    N a. advance
    Y b. cavitation
    N c. edging
    N d. slip

337: On a coastwise tugboat of 199 GT, on a voyage over 600 miles, what percentage of the deck crew (excluding licensed officers) must hold a document of able seaman?

    Y a. 65%
    N b. 50%
    N c. 25%
    N d. 0%

411: Tonnage tax is officially based upon the figures obtained from the __________.

    Y a. Admeasurement Certificate
    N b. deadweight scale
    N c. displacement scale
    N d. Load Line Certificate

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

483: A fiber towing hawser is readied for service by __________.

    N a. spooling it on a winch cathead
    N b. coiling it in a counterclockwise direction on the fantail
    Y c. faking it on deck in a fore and aft direction
    N d. spooling it on a reel lying on its side to prevent rolling

691: On U.S. flag vessels, which certificate is always issued by the Coast Guard?

    N a. Load Line Certificate
    Y b. Safety Equipment Certificate
    N c. Safety Construction Certificate
    N d. Register of cargo gear

792: When the vessel is on coastwise articles, the original certificate of the seaman's certificate of discharge is __________.

    Y a. given to the seaman
    N b. retained on board
    N c. sent to Commandant, U.S. Coast Guard
    N d. sent to the shipping company

848: You are loading a cargo of canned goods with a stowage factor of 65. If you allow 15% for broken stowage, how many tons can be loaded in a space of 55,000 cubic feet?

    N a. 687
    Y b. 719
    N c. 846
    N d. 973

883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .

    N a. be appropriate to the vessel's horsepower or bollard pull
    N b. be strong enough to handle any static or dynamic loads expected during its service life
    Y c. fit any spare wire clips carried on board the vessel for repair purposes
    N d. be suitable for exposure to the marine environment

883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .

    N a. be appropriate to the vessel's horsepower or bollard pull
    N b. be strong enough to handle any static or dynamic loads expected during its service life
    Y c. fit any spare wire clips carried on board the vessel for repair purposes
    N d. be suitable for exposure to the marine environment

1016: Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?

    Y a. Put the sea and wind about two points on either bow and reduce speed.
    N b. Heave to in the trough of the sea.
    N c. Put the sea and wind on either quarter and proceed at increased speed.
    N d. Put the bow directly into the sea and proceed at full speed.

1051: A vessel arrives in San Francisco from a foreign voyage. When MUST the Master make formal entry at the custom house?

    N a. Within 24 hours after arrival, Sundays and holidays excepted
    Y b. Within 48 hours after arrival, Sundays and holidays excepted
    N c. Within 48 hours and before all foreign cargo is discharged for that port
    N d. Within 24 hours after arrival

1068: You shall notify the nearest Coast Guard Marine Inspection Office as soon as possible when your vessel has been damaged in excess of __________.

    N a. $1,000
    N b. $1,500
    N c. $10,000
    Y d. $25,000

1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.

    N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch
    Y b. manually by two or three sailors heaving away on deck
    N c. by taking the gantline to a winch drum and heaving away with the winch
    N d. by fairleading the gantline with a snatch block and pulling with a cargo runner

1076: You are underway in heavy weather and your bow is into the seas. To prevent pounding, you should __________.

    N a. change course, in order to take the seas at an 85 degree angle from the bow
    Y b. decrease speed
    N c. increase speed
    N d. secure all loose gear

1088: As Master or person in charge, you must notify the U.S. Coast Guard if an injury leaves a crewman unfit to perform routine duties for more than __________.

    N a. 24 hours
    N b. 48 hours
    N c. 72 hours
    Y d. Any amount of time

1133: To properly rig the downhaul to your stage for lowering, you must __________.

    N a. take only figure eights around the horns
    Y b. take 2 or 3 round turns around the stage and then belay the downhaul around the horns
    N c. take 2 round turns around the stage and then dip the third turn to form a clove hitch
    N d. pass the downhaul through the bridle formed by the standing part and then take round turns

1145: You are on watch at night in clear visibility and the vessel has just been anchored. The first thing that you should do after the anchor has been let go is to __________.

    N a. stop the engines
    Y b. take bearings to obtain ship's position
    N c. turn off the running lights and turn on the anchor lights
    N d. lower the accommodation ladder and illuminate it

1191: Which statement is TRUE about the use of a "gob rope"?

    N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead.
    Y b. The gob rope is used to secure the towline aft over the centerline of a tug..
    N c. The gob rope is a line hung over a vessel's side to assist in boarding.
    N d. The gob rope is a rope used in mooring a vessel to a buoy.

1251: What is NOT a primary function of the freight forwarder?

    N a. To book cargo space in advance
    N b. To execute, approve, and submit all shipping documents necessary to the particular shipment
    Y c. To provide financial assistance to the shipper when required
    N d. Clear the goods through customs

1306: You are making mooring lines fast to bitts, stern to, as in some Mediterranean ports. A swell is liable to make the vessel surge. How should you tie up?

    Y a. Use manila or synthetic fiber hawsers only.
    N b. Use wires only from the stern and each quarter.
    N c. Use synthetic fiber and/or manila hawsers as required.
    N d. Use wires from each quarter and manila hawsers from the stern.

1330: Beams are cambered to __________.

    N a. increase their strength
    Y b. provide drainage from the decks
    N c. relieve deck stress
    N d. All of the above

1344: When working with wire rope, which must be considered?

    N a. Metal sheaves should be lined with wood or leather.
    Y b. It needs better care than hemp or manila.
    N c. It should be lubricated annually.
    N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope.

1375: A chain stripper is used to __________.

    Y a. prevent chain from clinging to the wildcat
    N b. clean the marine debris from the chain
    N c. flake chain from a boat's chain locker
    N d. clean chain prior to an x-ray inspection

1390: The body plan of a vessel is a(n) __________.

    Y a. endwise view of the ship's molded form
    N b. longitudinal side elevation view
    N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes
    N d. vertical view made looking up in the ship, with the keel at the center

1435: Which letter shown represents a clove hitch? (DO30DG )

    Y a. X
    N b. U
    N c. T
    N d. R

1462: Two mooring lines may be placed on the same bollard and either one cast off first if __________.

    Y a. the eye of the second line is dipped
    N b. the mooring lines are doubled
    N c. the bollard has two horns
    N d. one of the lines is a breast line

1537: Which is NOT a potential hazard of approaching close to an iceberg?

    Y a. The brash ice in the vicinity may clog sea intakes.
    N b. The berg may calve with the bergy bit hitting the vessel.
    N c. There may be underwater rams extending out from the berg.
    N d. The berg may suddenly tilt or capsize due to uneven melting and hit the vessel.

1559: It is permissible to place an eye splice in wire rope used as cargo gear providing the splice is made using __________.

    N a. two tucks with whole strands and one tuck with one-half strand
    Y b. three tucks with whole strands and two tucks with 1/2 the wire cut from the tucking strand
    N c. three tucks with whole strands
    N d. two tucks with whole strands and three tucks with half strands

1568: A tackle is "two blocked" when the blocks are __________.

    N a. equally sharing the load
    Y b. jammed together
    N c. as far apart as possible
    N d. rove to the highest mechanical advantage

1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.

    Y a. starboard until headway is lost and then to port
    N b. port
    N c. port until headway is lost and then may possibly swing to starboard
    N d. port slowly at first and then quickly to port

1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?

    Y a. It resists abrasion better.
    N b. It is longer.
    N c. It hugs the winch drum better.
    N d. It is less expensive.

1725: The term "shift the rudder" means __________.

    N a. use right or left rudder
    N b. check, but do not stop the vessel from swinging
    Y c. change from right (left) to left (right) rudder an equal amount
    N d. put the rudder amidships

1788: Which position shown is the most dangerous when tying up? (D019DG )

    Y a. I
    N b. II
    N c. III
    N d. IV

1800: The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the __________.

    N a. bale cubic
    Y b. gross tonnage
    N c. light displacement
    N d. net tonnage

1983: When a line is subject to wear where it passes through a mooring chock, it should be __________.

    N a. wormed, parceled, and served
    N b. wrapped with heavy tape
    Y c. wrapped with chafing gear
    N d. wrapped in leather

2010: On the cargo manifest, the total weight of a box containing cargo is the __________.

    N a. tare weight
    N b. net weight
    Y c. gross weight
    N d. cargo weight

2041: Which tackle arrangement has the LEAST mechanical advantage?

    Y a. Single whip
    N b. Gun tackle
    N c. Luff tackle
    N d. Twofold purchase

2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?

    N a. Blot out the error completely and rewrite the entry correctly.
    N b. Carefully and neatly erase the entry and rewrite it correctly.
    Y c. Cross out the error with a single line, write the correct entry, and initial it.
    N d. Remove this page of the log book and rewrite all entries on a clean page.

2213: You are using tackle number 6 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. Disregarding friction, what is the mechanical advantage of this rig? (DO29DG )

    N a. 11
    N b. 16
    Y c. 18
    N d. 24

2540: In small craft terminology, all of the anchor gear between a boat and her anchor is called the __________.

    N a. stock
    N b. chock
    N c. scope
    Y d. rode

2592: The internal volume of a cargo hold measured from the inside faces of the cargo battens, the lower side of the deck beams, and the top of the tank top ceiling is known as the __________.

    N a. gross tonnage
    N b. deadweight space
    Y c. bale cubic
    N d. stowage area

2716: A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?

    N a. At least 80% of the channel is cleared to the charted depth.
    N b. At least 50% of the channel is cleared to the charted depth.
    Y c. 100% of the channel width is clear to 38 feet.
    N d. The sides of the channel conform to at least 50% of the controlling depth.

2736: Distances on the Great Lakes System are generally expressed in __________.

    N a. miles above the entrance to the St. Lawrence Seaway (MASLW)
    N b. miles above the head of the passes (AHP)
    N c. nautical miles
    Y d. statute miles

2810: Which document lists all the lifesaving equipment required for a vessel?

    Y a. Certificate of Inspection
    N b. American Bureau of Shipping Classification Certificate
    N c. International Convention for the Safety of Life at Sea Certificate
    N d. Certificate of Registry

2894: The term "Great Lakes", as defined by the Inland Rules of the Road, includes part of the __________.

    N a. Calumet River
    N b. Chicago River
    N c. St. Lawrence River
    Y d. All of the above

2950: In relation to the turning circle of a ship, the term "advance" means the distance __________.

    N a. gained at right angles to the original course
    Y b. gained in the direction of the original course
    N c. moved sidewise from the original course when the rudder is first put over
    N d. around the circumference of the turning circle

3320: Which type of bottom is best suited for holding an anchor of a small boat?

    Y a. Mud and clay
    N b. Rocky
    N c. Sandy
    N d. Gravel

3560: What should look-outs report?

    N a. Discolored water
    N b. Shoals
    N c. Floating objects
    Y d. All of the above

4103: Which of the following is not a loading or transfer feature aboard a Ro-Ro vessel?

    N a. Stern ramp and/or side ramp
    N b. Cargo lift
    N c. Hatch opening designed as a lift
    Y d. Stuelcken boom

4188: The most important safety consideration during loading or discharge aboard a Ro-Ro vessel is __________.

    N a. having all crewmembers and longshoremen wear hard hats
    Y b. the thorough ventilation of all cargo spaces
    N c. ensuring that visitors cannot come aboard
    N d. having the outboard anchor down

4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Heel block
    N b. Gin block
    N c. Rider block
    Y d. Hook block

4224: What does item "K" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Manual slewing cables
    Y b. Rider block taglines
    N c. Jib luffing cables
    N d. Cargo snaking cables

4244: What is meant by the term "luffing the boom" of a crane?

    N a. Stopping the boom
    Y b. Topping or lowering the boom
    N c. Moving the boom left or right
    N d. All of the above