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.


110: What is NOT required as special safety equipment on a tankship carrying hazardous cargoes in bulk?


119: Sour crude oil __________.


130: You are on a vessel carrying liquefied butadiene in bulk. Which document is NOT required to be either in the wheelhouse or easily accessible to the person on watch while underway?


164: A look-out should report objects sighted using __________.

    N a. true bearings
    N b. magnetic bearings
    N c. gyro bearings
    Y d. relative bearings

180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?

    N a. 0°C to 100°C
    N b. -10°C to 90°C
    Y c. -18°C to 46°C
    N d. -40°C to 50°C

186: The pivoting point of a vessel going ahead is __________.

    N a. at the hawsepipe
    Y b. about one-third of the vessel's length from the bow
    N c. about two-thirds of the vessel's length from the bow
    N d. near the stern

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

275: You have taken another vessel in tow. You can tell that the towing speed is too fast when the __________.

    N a. vessels are not in step
    N b. tow line feels like it is "jumping" when touched
    Y c. catenary comes clear of the water
    N d. towed vessel goes "in irons"

277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?

    N a. The Naval Control of Shipping Organization of each nation will serve their own ships only.
    N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority.
    N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities.
    Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers.

360: The label required on containers carrying barium oxide in an international shipment must read __________.

    Y a. "Poison"
    N b. "Spontaneously Combustible"
    N c. "Radioactive"
    N d. "Infectious Substance"

398: Peck and Hale gear is used most commonly for securing __________.

    Y a. automobiles
    N b. baled cargo
    N c. large wooden crates
    N d. palletized cargo

468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.

    N a. air temperature is higher than the temperature of the cargo
    N b. air temperature is lower than the temperature of the cargo
    Y c. dew point is higher than the temperature of the cargo
    N d. dew point is lower than the temperature of the cargo

505: Which form of navigation may be suspended without notice under defense planning?

    N a. celestial
    N b. piloting
    Y c. electronic
    N d. None of the above

581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?

    N a. Amylene
    N b. Diisobutyl Phthalate
    N c. Oleic acid
    Y d. Vinyl acetate

594: A bollard is found on the __________.

    N a. beach
    N b. deck
    Y c. pier
    N d. towed vessel

652: When plugging holes below the waterline you should __________.

    N a. eliminate all water entering the hole
    N b. only plug holes in machinery or other vital spaces
    Y c. reduce the entry of water as much as possible
    N d. plug the largest holes first

758: An IOPP Certificate on an inspected vessel is valid for what period of time?

    N a. 6 months
    N b. 1 year
    N c. 2 years
    Y d. 5 years

818: Your vessel has a deadweight capacity of 5000 tons and a cubic capacity of 300,000 cu. ft. You are to load lead, with a stowage factor of 18, and cotton, with a stowage factor of 80. If you load full and down, how much cotton should you load?

    N a. 1613 tons
    N b. 2190 tons
    N c. 2810 tons
    Y d. 3387 tons

851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?

    N a. The maintenance of an Official Logbook is optional.
    N b. The vessel must be on foreign articles.
    N c. This is considered a coastwise voyage.
    Y d. An Official Logbook must be maintained.

882: The owner or Master of a towing vessel that tows astern must keep records of the towline(s) that include all of the following information EXCEPT _____________ .

    N a. the towline's initial minimum breaking strength as determined by the manufacturer
    Y b. an invoice showing the cost of the towline
    N c. the towline's nautical miles of use or time in service
    N d. the history of loading of the towline

914: When natural fiber rope gets wet, the __________.

    N a. overall strength of the line will decrease
    Y b. line shrinks in length
    N c. line will become more elastic
    N d. line will be easier to handle

956: When a vessel is swinging from side to side off course due to quartering seas, the vessel is __________.

    N a. broaching
    N b. pitchpoling
    N c. rolling
    Y d. yawing

998: When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear?

    Y a. Non-followup
    N b. Rudder adjustment
    N c. Weather adjustment
    N d. All the above may be activated

1005: Which device is designed to automatically hold the load if power should fail to an electric winch?

    N a. Pneumatic brake
    Y b. Electromagnetic brake
    N c. Hand brake
    N d. Motor controller

1029: When cleaning a tank by the Butterworth process, you should begin to pump out the slops __________.

    N a. at the end of the drop schedule
    Y b. when the process is started
    N c. when the process is finished
    N d. when the tank is clean

1037: After an IOPP Certificate is issued to an inspected vessel, how many other surveys of the vessel's pollution prevention equipment are conducted during the period of validity of the certificate?

    N a. None
    N b. One
    N c. Two
    Y d. Three

1054: Which mooring line has the least elasticity?

    Y a. Dacron
    N b. Nylon
    N c. Esterlene
    N d. Polypropylene

1083: Which of the knots, bends, or hitches shown in the illustration would you use to properly secure a bosun's chair to a gantline? (D030DG )

    N a. G
    N b. I
    N c. Q
    Y d. R

1104: Nylon line can be dangerous because it __________.

    N a. breaks down when wet
    N b. kinks when wet
    N c. is not elastic
    Y d. stretches

1371: Delivery of a vessel to a charterer is called __________.

    N a. chartering
    N b. dispatching
    N c. fixing
    Y d. tendering

1470: Signs of racking stresses generally appear at the __________.

    N a. bow and stern shell frames and plating
    Y b. junction of the frames with the beams and floors
    N c. garboard strake, at each side of the keel
    N d. thrust bearing of the main shaft

1604: Which knot would serve best as a safety sling for a person working over the side?

    N a. Bowline on a bight
    Y b. French bowline
    N c. Jug sling
    N d. Lifting hitch

1653: Which tool is used to open the strands of fiber lines when making an eye splice?

    N a. Belaying spike
    Y b. Fid
    N c. Heaver
    N d. Pricker

1672: You are to load a consignment of lumber. Each piece measures 2-inches thick, 10-inches wide and 16-feet long. There are 30,000 pieces in the shipment. How many board feet would be listed on the Bill of Lading?

    Y a. 800,000
    N b. 1,200,000
    N c. 1,440,000
    N d. 14,400,000

1719: What is a CORRECT reply to a pilot's request, "How's your head"?

    N a. "Steady"
    N b. "Eased to 10° rudder"
    N c. "Checked"
    Y d. "Passing 50°"

1729: The greatest strain, when lifting a load with the jumbo purchase, is on __________.

    N a. all of the parts, dividing the load equally
    Y b. the hauling part because it must absorb the frictional losses of all the sheaves
    N c. the parts in the movable block
    N d. the standing part because it is directly connected to the weight

1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )

    N a. erection
    Y b. pillar
    N c. girder
    N d. deck support

1897: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)

    Y a. 43.19 numeral
    N b. 46.56 numeral
    N c. 49.92 numeral
    N d. 55.72 numeral

1920: Which form of navigation may be suspended without notice under defense planning?

    Y a. electronic
    N b. celestial
    N c. piloting
    N d. None of the above

1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.

    Y a. 1 to 6 hours
    N b. 30 minutes to 1 hour
    N c. 3 hours to start of business the following day
    N d. 10 minutes if possible

2022: In determining the scope of cable to be used when anchoring, what would NOT be considered?

    N a. Depth of the water
    N b. Character of the holding ground
    Y c. maintenance cost for the chain
    N d. Type of anchor cable

2233: The knot lettered N as shown is a __________. (DO30DG )

    N a. timber hitch
    N b. rolling bowline
    Y c. stopper
    N d. heaving line hitch

2278: You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true?

    N a. Wooden covers must be laid over the bilge wells to prevent the sulfur from entering the bilges.
    Y b. Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations.
    N c. The major characteristic of this cargo is that it forms sulfuric acid upon contact with water.
    N d. Other hazardous material may not be stowed in the same hold as the sulfur but may be carried on deck above the hold.

2290: The sprocket teeth on a wildcat are known as the __________.

    N a. pawls
    N b. devil's claws
    Y c. whelps
    N d. pockets

2311: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.

    Y a. 10 minutes if possible
    N b. 1 to 6 hours
    N c. 30 minutes to 1 hour
    N d. 3 hours to start of business the following day

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

2679: Great Lakes cargo vessels, having a liferaft stowed more than 100 meters from the bow or stern, must have at least how many liferafts?

    N a. One
    Y b. Two
    N c. Three
    N d. Four

2709: A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by __________.

    Y a. displaying code letter "Y" (Yankee)
    N b. sounding five short blasts on his whistle
    N c. displaying code numeral "5"
    N d. sounding one prolonged blast on his whistle

2785: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message?

    N a. P (PRIORITY)
    Y b. R (ROUTINE)
    N c. O (IMMEDIATE)
    N d. Z (FLASH)

2981: When the anchor is brought to and holding, the horizontal component of anchor cable tensions should equal the __________.

    N a. displacement tonnage
    N b. weight forces
    N c. buoyancy forces
    Y d. environmental forces

3042: A Great Lakes vessel bound for Anticosti Island is exempt from the IMO Grain Regulations if the vessel meets all of the following standards EXCEPT __________.

    N a. the metacentric height corrected for free surface must meet regulatory minimums throughout the voyage
    Y b. slack surfaces should be in a mound
    N c. the longitudinal strength of the vessel must not be imperiled
    N d. the Master must ascertain the expected weather conditions enroute

3583: Indicated horsepower refers to a towing vessel's power which is __________.

    Y a. theoretically available
    N b. measured on a test bed
    N c. developed at the shaft
    N d. measured by dynamometer

3602: What is the penalty for desertion?

    N a. Fine of not more than 2000 dollars and forfeiture of wages
    N b. Imprisonment for not more than 2 years and/or a fine of not more than 2000 dollars
    N c. Revocation of Merchant Mariner's Document (and license if applicable) and forfeiture of wages due
    Y d. Forfeiture of money and property left on the vessel, and wages due

4040: When towing another vessel astern, the length of the towline should be __________.

    N a. as long as possible
    N b. such that one vessel will be on a crest while the other is in a trough
    Y c. such that the vessels will be "in step"
    N d. not over two wave lengths in seas up to 10 feet

4091: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

    N a. bow
    Y b. center of gravity
    N c. centerline
    N d. bridge

4113: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?

    Y a. Periodic inspection and retensioning of lashings as required during voyage
    N b. Lashings may be completed after the vessel leaves port
    N c. One QMED assigned to oversee the initial loading and lashing
    N d. All of the above

4121: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.

    N a. rolling
    N b. pitching
    N c. heaving
    Y d. All of the above

4151: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

    N a. It is NOT imperative that the securing of cargo on flats and trailers and in containers be adequate for BOTH road and sea motions.
    Y b. The generally recommended lash angle should not be greater than 45 degrees relative to the deck in any direction.
    N c. For effective securing vehicles should be stowed athwartships whenever possible.
    N d. It is not necessary to lash automobiles since setting the brakes is sufficient to keep them from moving.

4239: Which safety precaution(s) should be observed during crane operations?

    N a. Checking for proper lifting from beneath the load during cargo operations
    Y b. Using the proper slings or other lifting devices during cargo operations
    N c. Relaying communications to port agents on the pier during cargo hoists
    N d. All of the above

4279: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?

    N a. Taglines are wire rope purchases that raise and lower the jib.
    Y b. Taglines are wire ropes payed-out or taken-in for horizontal positioning of the rider block.
    N c. Taglines can be can be fastened to the corners of the jib when lifting containers.
    N d. The taglines are wire rope purchease that raise and lower the topping lift.