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.


71: You are the licensed Master of a 199 GT uninspected towing vessel making a 500 mile coastwise trip. You carry a deck crew of six (6). Which statement is TRUE?


133: The standard unit of liquid volume used in the petroleum industry, as well as the tanker industry, is a __________.


135: Corrosive liquids and acids should have which kind of label?


179: The minimum temperature required to ignite gas or vapor without a spark or flame being present is called __________.

    N a. flash point
    N b. fire point
    Y c. autoignition temperature
    N d. lower explosive limit

203: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?

    N a. It pulls the bow toward the bank.
    N b. It pushes the entire vessel away from the bank.
    Y c. It pulls the stern toward the bank.
    N d. It heels the vessel toward the bank.

205: A vessel is to make a voyage between New York and San Juan, Puerto Rico, and return. The crew should be signed on_____________.

    Y a. Coastwise Articles
    N b. Foreign Articles
    N c. Intercoastal Articles
    N d. no articles

258: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?

    N a. A flammable gas detection system must be installed in each cargo pump room.
    Y b. The cargo may be gauged by automatic float type devices.
    N c. Carriage of this cargo is authorized by issuance of an IMO Certificate.
    N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo.

394: The rope which is rove from the truck to be used with a bos'n's chair is called a __________.

    Y a. gantline
    N b. life line
    N c. strop
    N d. whip

497: Which type of fiber towing hawser is preferred for towing astern?

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

697: What imminent danger results from tripping?

    N a. A crew member being knocked over the side
    Y b. Capsizing your tug
    N c. Your tug being pulled backwards by your tow
    N d. The tow being thrown off course

755: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?

    Y a. Accidental stranding or grounding
    N b. An injury requiring first aid treatment
    N c. Loss of bridge-to-bridge radio capability
    N d. Damage to property amounting to $12,500

785: With rudders amidships and negligible wind, a twin-screw vessel moving ahead on the port screw and backing on the starboard screw will __________.

    N a. move in a straight line
    Y b. pivot to starboard
    N c. pivot to port
    N d. walk sideways to starboard

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

886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?

    N a. Your speed will significantly increase.
    N b. Your draft will significantly decrease.
    Y c. Your bow will sheer towards the other vessel.
    N d. Your bow will sheer away from the other vessel.

939: What is the purpose of pressure-vacuum relief valves?

    N a. Regulation of discharge pressure from cargo pumps
    N b. Maintaining constant velocity in cargo lines
    N c. Regulation of suction head on cargo pumps
    Y d. To maintain a tank or void at atmospheric pressure

1052: A term used to describe the dip in a towline that acts as a shock absorber is __________.

    Y a. catenary
    N b. step
    N c. shock dip
    N d. bight

1075: You are standing wheelwatch on entering port, and the Master gives you a rudder command that conflicts with a rudder command from the Pilot. What should you do?

    N a. Obey the Pilot
    Y b. Obey the Master
    N c. Ask the Pilot for guidance
    N d. Bring the rudder to midships

1155: In the context of shiphandling, what would be the definition of shallow water?

    Y a. Water depth of less than twice a vessel's draft
    N b. Water depth of less than 1½ times a vessel's draft
    N c. Under keel clearance of twice a vessel's draft
    N d. Under keel clearance of less than 10 feet

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

1200: Your vessel's operators send a message that your vessel has been consigned to Voluntary Naval Control of Shipping. The message will refer you to __________.

    N a. the Light List
    N b. the International Code of Signals (PUB 102)
    Y c. Radio Aids to Navigation (PUB 117)
    N d. the Coast Pilot

1313: Where should a vessel being towed alongside be positioned for increased maneuverability?

    N a. Stern of the towed vessel aft of the stern of the towing vessel
    N b. Stern of the towed vessel even with the stern of the towing vessel
    Y c. Stern of the towed vessel forward of the stern of the towing vessel
    N d. Bow of the towed vessel even with the bow of the towing vessel

1369: What is meant by "spotting the boom"?

    N a. Lowering it into a cradle
    Y b. Placing it in a desired position
    N c. Spotting it with wash primer and red lead
    N d. Two-blocking it

1376: Generally speaking, the most favorable bottom for anchoring is __________.

    N a. very soft mud
    N b. rocky
    Y c. a mixture of mud and clay
    N d. loose sand

1445: What is an example of a fundamental objective of cargo stowage?

    N a. Load so the trim does not exceed 3 feet by the stern.
    N b. Make maximum use of existing dunnage.
    N c. Separate wet and dry cargoes into separate holds.
    Y d. Prevent overcarriage by block stowage.

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

1467: The type of carrier required to file a copy of freight tariffs would be the __________.

    Y a. common carrier
    N b. tramp
    N c. public vessel
    N d. bulk carrier

1561: The Master of any vessel bound on a voyage must apply to a district court when an allegation of unseaworthiness has been made to the Master by __________.

    N a. any member of the crew of the vessel
    N b. any two officers of the vessel and a majority of the crew
    Y c. the First and Second Officers of the vessel or a majority of the crew
    N d. the First Officer of the vessel

1584: The size of wire rope is determined by the __________.

    N a. number of strands
    N b. number of wires in each strand
    N c. circumference
    Y d. diameter

1601: What would be prima facie evidence of unseaworthiness?

    Y a. Overloading
    N b. Overstowage
    N c. Overbooking
    N d. Overcarriage

1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.

    N a. to starboard
    Y b. to port
    N c. straight ahead
    N d. as influenced by the tide and sea

1698: A flammable liquid having a Reid vapor pressure of 8½ P.S.I.A. or less and a flash point of 80°F or below is grade __________.

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

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

1756: When anchoring a vessel, it is best to release the anchor when __________.

    N a. going full astern
    N b. going full ahead
    Y c. going slow astern
    N d. dead in the water

1760: A hook that will release quickly is a __________.

    N a. longshore hook
    N b. margin hook
    N c. marginal hook
    Y d. pelican hook

1845: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?

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

1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?

    N a. 50 lbs.
    Y b. 100 lbs.
    N c. 150 lbs.
    N d. 200 lbs.

1913: An example of a messenger is a __________.

    N a. fairlead
    Y b. heaving line
    N c. stay
    N d. warp

1956: Which lien against a vessel would be settled FIRST?

    N a. Maintenance and cure
    N b. Vessel mortgage
    Y c. Salvage lien
    N d. Ship repairer's lien

2040: The plating indicated by the letter N is known as the __________. (D033DG )

    Y a. inner bottom
    N b. floor riders
    N c. tank-top rider plating
    N d. ceiling

2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )

    N a. forward breast line
    N b. offshore spring line
    N c. onshore bow line
    Y d. offshore bow line

2139: You are proceeding to the area of reported distress. When you arrive at the reported position, the vessel in distress is not sighted. What type of search should be conducted?

    N a. Sector search
    Y b. Expanding square
    N c. Track crawl
    N d. Parallel track search

2158: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?

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

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

2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )

    N a. 2
    N b. 4
    Y c. 5
    N d. 5.5

2271: You are signing on a crew. You can determine the minimum number and qualifications of the crew that you are required to carry by consulting which document?

    N a. Crew list
    Y b. Certificate of Inspection
    N c. Articles of Agreement
    N d. fo'c'sle card

2276: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 60°? (D035DG )

    Y a. 665 yards
    N b. 710 yards
    N c. 745 yards
    N d. 780 yards

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

2549: An example of a modern anchor which has a stock is a(n) __________.

    N a. articulated anchor
    N b. Flipper Delta anchor
    N c. Baldt anchor
    Y d. Danforth anchor

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

2598: Where, due to the arrangement of the vessel, lifejackets may become inaccessible, additional lifejackets shall be carried __________.

    N a. for the people on bridge watch
    N b. for the forward lifeboats
    Y c. as determined by the OCMI
    N d. for 50% of the crew of the vessel, not including those assigned to engineering duties

2684: Which statement about bilge keels is CORRECT?

    N a. They are critical strength members and require careful design consideration.
    Y b. They increase resistance to rolling.
    N c. They attach to a low stress area.
    N d. They provide support when the vessel is dry docked.

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

2918: What is the period of validity of a De-Rat certificate?

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

2969: Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in __________.

    N a. summer and early autumn
    N b. autumn and early winter
    N c. winter and early spring
    Y d. spring and early summer

3047: When backing down with sternway, the pivot point of a vessel is __________.

    Y a. about one-quarter of the vessel's length from the stern
    N b. at the bow
    N c. about one-third of the vessel's length from the bow
    N d. aft of the propellers

3069: Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.

    N a. require loading operations to be shut down until the atmosphere clears
    N b. are toxic to human life
    N c. are subject to spontaneous combustion
    Y d. may be explosive in some concentrations

3074: In securing a towing cable, consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by __________.

    N a. increasing the shaft RPM prior to release
    N b. using a pelican hook for quick release
    Y c. using preventers
    N d. using a short chain for the lead through the stern chock

3148: The part of the anchor indicated by the letter H is the __________. (D038DG )

    N a. fluke
    N b. shank
    N c. tripping palm
    Y d. crown

3693: When the Pilot is embarked he or she __________.

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

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.