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.


62: You are in the process of loading 465,000 barrels of cargo oil. At 1030, on 5 November, you gauge the vessel and find that you have loaded 203,000 barrels. At 1200, you find that you have loaded 219,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.


100: Which statement is ALWAYS true?


181: Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?


232: The angle at which the fluke penetrates the soil is called the __________.

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

319: Static electricity may be built up by the __________.

    N a. flow of petroleum through pipes
    N b. spraying or splashing of petroleum
    N c. settling of solids or water in petroleum
    Y d. All of the above

407: You are carrying cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multiple-product tankship. Which of the following statements is TRUE?

    Y a. Each of the cargoes must be segregated from the other by at least two barriers.
    N b. The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield.
    N c. Aluminum, copper, and zinc are prohibited in all valve parts in contact with these cargoes.
    N d. The required warning sign must have the legend "cancer hazard" added to it.

416: While moving ahead, a twin-screw ship has an advantage over a single-screw ship because __________.

    N a. correct trim will be obtained more easily
    N b. drag effect will be cancelled out
    Y c. side forces will be eliminated
    N d. speed will be increased

552: Which type of bridle is the most effective for a heavy ocean tow?

    N a. Nylon because of its strength
    N b. Polypropylene because it floats and is easier to handle
    Y c. Stud link anchor chain for chafe resistance and strength
    N d. Wire rope for flexibility and strength

558: A heated bulkhead has the effect on a hygroscopic commodity of __________.

    N a. causing moisture to accumulate against the bulkhead
    N b. lowering the vapor pressure of the commodity
    N c. lowering the dew point of the air
    Y d. raising the vapor pressure of the commodity

565: When the pilot is embarked he or she __________.

    N a. relieves the officer of the watch
    N b. relieves the Master of his duties
    N c. is solely responsible for the safe navigation of the vessel
    Y d. is a specialist hired for his or her local navigational knowledge

598: What is NOT an advantage of containership operations over conventional break-bulk operations?

    Y a. Flexibility of operation
    N b. Greater operational safety
    N c. Lower stevedoring costs
    N d. Reduction of cargo damage

675: An advantage of the modified Christmas Tree towing method is to __________.

    N a. increase the towing hawser's catenary and provide more spring
    Y b. reduce catenary, allow operation in shallower water, and to release one barge without breaking up the entire tow
    N c. enable one tug and its crew without any outside assistance to make up or break down the tow
    N d. provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills

730: In a Williamson turn, the rudder is put over full until the __________.

    N a. vessel has turned 90°From her original course
    Y b. vessel has turned 60°From her original course
    N c. vessel is on a reciprocal course
    N d. emergency turn signal sounds

791: The oil record book is required to be carried aboard __________.

    N a. tankers
    N b. passenger vessels
    N c. cargo vessels
    Y d. All of the above

801: When oil is discharged overboard, an entry is required in the __________.

    N a. engine rough log
    Y b. Oil Record Book
    N c. Official Logbook
    N d. deck rough log

944: When caring for natural-fiber line, you should NEVER __________.

    N a. dry the line before stowing it
    Y b. lubricate the line
    N c. protect the line from weather
    N d. slack off taut lines when it rains

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

977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?

    N a. Abandon the towing vessel.
    N b. Radio for emergency assistance.
    Y c. Slip the towline and allow it to run off the drum.
    N d. Secure all watertight openings on the towing vessel.

1007: When using the term "limber system" one is referring to a __________.

    N a. cleaning system
    Y b. drainage system
    N c. strengthening system
    N d. weight reduction system

1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.

    N a. 1752, 8 July
    N b. 1940, 8 July
    N c. 0143, 9 July
    Y d. 1727, 9 July

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

1178: A shipper of cargo aboard your vessel offers a letter of indemnity for the cargo. This is done in order to obtain a(n) __________.

    Y a. Clean Bill of Lading
    N b. Order Bill of Lading
    N c. Straight Bill of Lading
    N d. Through Bill of Lading

1240: Bilge keels are fitted on ships to __________.

    N a. assist in dry dock alignment
    N b. improve the vessel's stability
    N c. protect the vessel from slamming against piers
    Y d. reduce the rolling of the vessel

1254: Under identical load conditions, nylon, when compared with natural fiber line, will stretch __________.

    N a. less and have less strength
    N b. more and have less strength
    Y c. more and have greater strength
    N d. less and have greater strength

1471: One of the requirements for a general average act is __________.

    Y a. a successful venture
    N b. no imminent peril
    N c. no losses
    N d. All of the above

1593: A long splice in a line __________.

    Y a. is used in running rigging
    N b. doubles the size of the line
    N c. is only used on fiber rope
    N d. is very weak

1594: What is the breaking strain of steel wire rope with a 5/8" diameter?

    N a. 1.0 tons
    N b. 6.6 tons
    Y c. 9.6 tons
    N d. 15.6 tons

1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.

    N a. cover plate
    N b. joiner
    N c. lap strake
    Y d. stealer plate

1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.

    N a. International Maritime Organization
    N b. Corps of Engineers
    Y c. Coast Guard
    N d. American Bureau of Shipping

1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.

    N a. International Maritime Organization
    N b. Corps of Engineers
    Y c. Coast Guard
    N d. American Bureau of Shipping

1674: Which is NOT a type of seizing?

    N a. Flat seizing
    N b. Racking seizing
    N c. Throat seizing
    Y d. Tube seizing

1784: The "rolling hitch" could be used to __________.

    N a. join two lines of different sizes
    N b. join two lines of equal sizes
    N c. add strength to a weak spot in a line
    Y d. act as a stopper to transfer a line under strain

1807: When evacuating a seaman by helicopter lift, which statement is TRUE?

    N a. Evacuation should be from an area forward of the bridge.
    N b. The vessel should be slowed to bare steerageway.
    N c. If the hoist is at the stern, booms extending aft at the stern should be cradled with the topping lifts hove taut.
    Y d. The litter should not be touched until it has been grounded.

1815: "Ease the rudder" means to __________.

    N a. steer the course which is your present heading
    N b. move the rudder slowly in the direction of the most recent rudder command
    N c. bring the rudder amidships
    Y d. decrease the rudder angle

1857: The knot lettered T in illustration DO30DG is a __________. (DO30DG )

    N a. round turn and two half hitches
    Y b. French bowline
    N c. carrick bend
    N d. stopper hitch

1858: The easiest way to anchor a vessel in a current is to __________.

    N a. stem the current and make very slow headway when the anchor is dropped
    Y b. stem the current and be falling aft very slowly when the anchor is dropped
    N c. stem the current and endeavor to make neither headway nor sternway when the anchor is dropped
    N d. stop all headway through the water and keep the current astern when the anchor is dropped

1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?

    N a. 200 lbs.
    N b. 300 lbs.
    Y c. 400 lbs.
    N d. 500 lbs.

1893: A block and tackle is "rove to advantage". This means that the __________.

    N a. blocks have been overhauled
    N b. hauling parts of two tackles are attached
    Y c. hauling part leads through the movable block
    N d. hauling part leads through the standing block

1977: On a crane, the boom indicator tells the operator what angle the boom angle is compared to the __________.

    N a. vertical position
    Y b. horizontal position
    N c. boom stop angle
    N d. minimum radius angle

2000: The vessel has broken down and you are going to take her in tow. The wind is on her starboard beam. Both vessels are making the same amount of leeway. Where should you position your vessel when you start running lines? (D025DG )

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

2126: You have anchored in a mud and clay bottom. The anchor appears to be dragging in a storm. What action should you take?

    N a. Shorten the scope of the cable.
    N b. Veer cable to the anchor.
    N c. Drop the other anchor underfoot.
    Y d. Drop the second anchor, veer to a good scope, then weigh the first anchor.

2136: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required pilot is TRUE?

    Y a. The pilot need only be licensed by the Coast Guard.
    N b. The Pilot must be licensed by either Virginia or Maryland.
    N c. The Pilot must be licensed by Virginia and Maryland.
    N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard.

2169: What is the mechanical advantage of tackle number 8? (DO29DG )

    Y a. 3
    N b. 1.5
    N c. 1
    N d. 0.5

2203: A Chinese stopper (two lines) will hold best when you __________.

    N a. fasten the bitter ends to the mooring line with half hitches
    Y b. twist the ends together and hold them in the direction of the pull
    N c. twist the ends together and hold them in the direction opposite to the pull
    N d. twist the ends together and hold them at right angles to the mooring line

2624: The certificate of loading required by each vessel carrying grain in bulk is issued by the __________.

    N a. owner or charterer of the vessel
    N b. American Bureau of Shipping
    N c. shipper of the cargo
    Y d. National Cargo Bureau

2732: Flanking rudders effect a vessel's heading because of the __________.

    Y a. effect of the propeller flow on the rudders
    N b. water flow due to the vessel's movement through the water
    N c. tunnel affect of the water flow past opposing rudders
    N d. discharge current being channeled to impinge on the vessel's deadwood

2798: The primary purpose of the stud is to prevent the anchor chain from __________.

    Y a. kinking
    N b. distorting
    N c. elongating
    N d. breaking

2879: The vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System is known as __________.

    N a. Mean Sea Level Datum
    Y b. International Great Lakes Datum
    N c. Great Lakes Low Water Datum
    N d. North Central Reference Datum

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

3024: How should you signal the crane operator to dog everything?

    N a. Place both fists in front of your body with thumbs pointing toward each other.
    Y b. Clasp hands in front of your body.
    N c. Extend arm with the palm down and hold this position rigidly.
    N d. Extend arm with the thumb pointing up, and flex the fingers in and out.

3270: A vessel is tide rode when it is __________.

    N a. carrying extra rudder to compensate for the current
    N b. necessary to adjust the course steered to allow for the current
    Y c. at anchor and stemming the current
    N d. being forced off of a pier by the hydraulic effect of the current

3309: Catenary as applied to tow lines denotes the __________.

    Y a. dip of the line
    N b. stretch of the line
    N c. strain on the line
    N d. length of the line

3508: A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you, you should secure the line __________.

    N a. to the base of the foremast
    Y b. to the forward-most bitts
    N c. to the forward part of the deckhouse
    N d. at the stern

3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.

    N a. keep lifting
    N b. swing right
    N c. swing left
    Y d. emergency stop

4018: The BEST holding ground for conventional anchors is __________.

    Y a. sand
    N b. very soft mud
    N c. shale
    N d. rock

4109: Which operating procedure(s) should be adhered to on a Ro-Ro vessel?

    N a. One officer assigned to oversee the initial loading and lashing
    N b. All lashings should be completed before leaving port
    N c. Periodic inspection and retensioning of lashings during the voyage
    Y d. All of the above

4229: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )

    N a. Boom assembly
    N b. Hook block assembly
    Y c. Rider block tagline system
    N d. All of the above

4250: Which action(s) is/are included in crane operations?

    N a. Pre-operation checks and start-up
    N b. Removing booms from stowage
    N c. Luff, slew, and hoist operations
    Y d. All of the above

4252: Which action(s) is/are included in crane operations?

    N a. Normal boom stowage and shutdown operations
    N b. Emergency shutdown operation
    N c. Removing booms from stowage
    Y d. All of the above

4266: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?

    N a. The cranes require shoreside assistance to handle heavy cargos.
    N b. The cargo discharge cannot be accomplished without pendulation.
    N c. The cargo discharge cannot be performed at anchor.
    Y d. The discharge is slow due to the size of the cargo and all the cranes working together.