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.


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


80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?


107: When may a seaman on a vessel engaged in foreign trade be paid before earning the wages?


155: You are transporting dangerous cargo on your vessel. You must inspect this cargo __________.

    Y a. daily
    N b. daily, at sea only
    N c. after encountering rough weather
    N d. after loading and prior to arrival in port only

167: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?

    N a. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law.
    Y b. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge.
    N c. The Pilot is solely responsible for the internal working of the ship.
    N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn.

200: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?

    N a. No able seamen are required.
    N b. Crew must be signed on before a Shipping Commissioner.
    N c. A licensed Master of Towing Vessels may serve as Master.
    Y d. Each crew member must be issued a certificate of discharge at the time of discharge.

260: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.

    N a. have the U.S.C.G. Captain of the Port approve the shipment
    N b. note an exception on the Bill of Lading
    N c. repair or replace the packaging before stowage
    Y d. seek the shipper's advice with regard to withdrawal, repair, or replacement

341: The Certificate of Freeboard is the __________.

    Y a. Load Line Certificate
    N b. Certificate of Inspection
    N c. Admeasurer's Certificate
    N d. Forecastle Card

421: An International Tonnage Certificate will be issued to a vessel when it meets several requirements, one of which is that the vessel must __________.

    N a. admeasure over 100 GT
    Y b. be 79 or more feet in length
    N c. engage in intercoastal or international trade
    N d. be issued a Certificate of Inspection

443: 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)

    N a. 86.72 numeral
    N b. 89.98 numeral
    Y c. 91.40 numeral
    N d. 93.18 numeral

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

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

707: Is tripping limited to harbor and coastal towing?

    Y a. No! Forces tending to capsize a tug are as dangerous on the high seas as they are in harbor and coastal work.
    N b. Yes! The long towing hawser used in ocean towing eliminates the danger of tripping.
    N c. No! Tripping is common in ocean towing because of more frequent maneuvering
    N d. Yes! Because of increased water depths, forces required to capsize a tug are not usually found in ocean towing

725: By law, a user of marijuana shall be subject to __________.

    N a. loss of pay during the period of such use
    N b. reprimand by the US Coast Guard
    Y c. revocation of license or certificate
    N d. termination of employment

736: You notice that your speed has decreased, the stern of your vessel has settled into the water, and your rudder is sluggish in responding. The MOST likely cause is __________.

    N a. mechanical problems with the steering gear
    Y b. shallow water
    N c. loss of lubricating oil in the engine
    N d. current

836: River currents tend to __________.

    N a. pick up speed where the channel widens
    N b. run slower in the center of the channel
    N c. hug the inside of a bend
    Y d. cause the greatest depth of water to be along the outside of a bend

837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?

    Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements
    N b. While operating above the US outer continental shelf
    N c. On vessels operating on domestic voyages only
    N d. Never, under any circumstances

840: The terms "cant frame" and "counter" are associated with the vessel's __________.

    N a. cargo hatch
    N b. forecastle
    N c. steering engine
    Y d. stern

923: An advantage of nylon rope over manila rope is that nylon rope __________.

    Y a. can hold a load even when a considerable number of the yarns have been abraded
    N b. can be stored on deck, exposed to sunlight
    N c. can be used in conjunction with wire or spring-lay rope
    N d. gives audible warning of overstress whereas manila does not

942: 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?

    Y a. The Master of the vessel
    N b. The Radio Officer
    N c. The Chief Officer
    N d. All of the above

946: Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?

    Y a. Add ballast in the after peak.
    N b. Add ballast forward.
    N c. Alter course.
    N d. Reduce speed.

953: When bunkering at anchorage which of the following signals must be displayed?

    N a. A red flag by day, red light by night
    Y b. A red flag by day ONLY
    N c. A red light by night ONLY
    N d. No signal required at anchorage

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

1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.

    Y a. for that sailor to feed the hauling part through a bosun's chair hitch
    N b. to lead the hauling part to a cleat on the mast and slacking the sailor down
    N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch
    N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight

1207: The Tonnage Certificate indicates __________.

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

1227: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.

    Y a. shift the selector switch to the other steering pump
    N b. signal the engineroom to stop the engines
    N c. call the engineroom
    N d. call the Master

1238: A contract of affreightment is a __________.

    Y a. Bill of Lading
    N b. Bottomry Bond
    N c. manifest
    N d. Portage Bill

1261: A vessel operating "in class" has met all the requirements of the __________.

    Y a. ABS or similar society
    N b. insurance company
    N c. U.S. Coast Guard
    N d. U.S. Customs

1486: Which is NOT a part of an anchor?

    N a. Bill
    Y b. Devil's claw
    N c. Palm
    N d. Crown

1495: A common class of wire rope is the 6X37 class. What does the 37 represent?

    N a. Number of wires in the inner core
    N b. Number of strands per wire rope
    N c. Tensile strength of the wire
    Y d. Number of wires per strand

1531: Maritime Administration personnel may be allowed in the pilothouse upon the responsibility of the __________.

    N a. Chief Officer
    N b. Navigator
    N c. most senior person present from the Maritime Administration
    Y d. officer in charge of the watch

1533: What is the best splice for repairing a parted synthetic fiber mooring line?

    N a. Liverpool splice
    N b. Locking long splice
    N c. Long splice
    Y d. Short splice

1736: Before letting the anchor go, you should check that the __________.

    N a. chain is clear
    N b. anchor is clear of obstructions
    N c. wildcat is disengaged
    Y d. All of the above

1793: The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are __________.

    Y a. bow and stern lines
    N b. breast lines
    N c. halyards
    N d. warps

1829: The term "shift your rudder" means __________.

    Y a. change from right rudder to left rudder an equal number of degrees
    N b. double your rudder angle or go to full rudder
    N c. bring your rudder amidships
    N d. check the swing of the vessel

1863: If a mooring line should part while you are tying up at a dock, you should make a temporary eye by tying a __________.

    N a. becket bend
    N b. clove hitch
    Y c. bowline
    N d. square knot

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

2018: When towing astern, one way to reduce yawing of the tow is to __________.

    Y a. trim the tow by the stern
    N b. trim the tow by the head
    N c. have the tow on an even keel
    N d. list the tow on the side it is yawing

2102: A seaman deserts the vessel in a foreign port. What should the Master do with any of the deserter's personal effects remaining on board?

    N a. Sell them at auction and deposit the money in the ship's morale or welfare fund.
    N b. Donate them to a local charity upon return to the United States.
    Y c. Transfer them to the appropriate district court of the U.S. at the end of the voyage.
    N d. Inventory them, make an appropriate entry in the Official Logbook and dispose of them at sea.

2180: The weight of the container and its contents is supported on deck by what part(s)?

    Y a. Four lower corner castings
    N b. Bottom, side, and end rails
    N c. Bottom flooring, side, and end rails
    N d. Bottom flooring only

2243: You are using tackle number 4, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig? (DO29DG )

    N a. 4
    N b. 6
    N c. 10
    Y d. 24

2310: How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?

    N a. This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer.
    N b. Determine the point where aground and the draft at that point, then calculate it using the grounding formula.
    Y c. Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding.
    N d. Use the inclining experiment formula and substitute the change of trim for the angle of list.

2335: When two lines are spliced together, __________.

    N a. the size of the lines at the splice decreases
    Y b. they are stronger than if knotted together
    N c. the overall strength of each line is increased
    N d. the bitter ends will resist rotting

2346: What is the volume of a sphere with a radius of 11 feet?

    N a. 506.75 cubic ft.
    N b. 696.78 cubic ft.
    Y c. 5,575.28 cubic ft.
    N d. 44,593.82 cubic ft.

2350: A temporary wire eye splice made with three wire rope clamps will hold approximately what percentage of the total rope strength?

    N a. 20%
    N b. 50%
    Y c. 80%
    N d. 99%

2476: At the outbreak of war your ship is caught in an enemy port. Which statement is FALSE?

    N a. You should attempt to contact U.S. Consular officials.
    N b. You should attempt to clear for sea before your ship is interned.
    Y c. You should resist boarding by local officials.
    N d. You should try to send a Ship Hostile Action Report to the NGA (formerly NIMA).

2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.

    N a. provide tail shaft clearances
    Y b. test welds for subsurface defects
    N c. check the wear of the rudder carrier bearing
    N d. test the links of the anchor cables while being ranged

2664: You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. The center of pressure of the shores on the bulkhead should be located __________.

    N a. evenly over the surface of the bulkhead
    N b. approximately one-third of the way up the bulkhead
    Y c. approximately halfway up the bulkhead
    N d. at the bottom of the bulkhead

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

2816: Which statement is TRUE concerning lighting requirements for Great Lakes vessels?

    N a. The showing of a forward masthead light is optional for vessels under 150 meters.
    Y b. An all-round white light may be carried in lieu of the second masthead light and stern light.
    N c. Sidelights for vessels over 50 meters are required to have only a two-mile range of visibility.
    N d. Great Lakes vessels are exempted from the requirement to show yellow towing lights.

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

3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?

    N a. "I am going ahead; follow me."
    N b. "You should stop your vessel instantly."
    Y c. "Icebreaker support is now commencing."
    N d. "Icebreaker support is finished."

3109: When hip towing, a line led from the bow of the towing vessel aft to the vessel being towed would be a __________.

    N a. backing line
    Y b. towing line
    N c. stern line
    N d. breast line

3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.

    N a. trip or capsize
    Y b. foul the towline
    N c. go into irons
    N d. part the towing strap

3252: The signal man assisting the crane operator has his arm extended and is pointing his finger in the direction to move the boom. This is the signal to __________.

    N a. extend
    N b. lower
    N c. hoist
    Y d. swing

3459: The pea is indicated by which letter? (D038DG )

    Y a. J
    N b. H
    N c. G
    N d. F

3582: What term indicates the length measured along the summer load line from the intersection of that load line with the foreside of the stem and the intersection of that load line with the after side of the rudder post?

    N a. Length overall
    N b. Register length
    Y c. Length between perpendiculars
    N d. Length on the waterline

4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.

    N a. winch speed
    N b. boom strength
    Y c. load radius
    N d. cable strength

4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.

    N a. has great strength
    N b. is very supple
    Y c. floats
    N d. absorbs shock by stretching

4111: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?

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