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.


114: You are on watch at sea on course 090°T. A man falls overboard on your starboard side. You immediately start a Williamson Turn. Which step is NOT a part of a Williamson Turn?


169: The lowest temperature at which a liquid will give off sufficient vapors to form a flammable mixture with air is known as the __________.


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


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

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"

431: Official proof of an American vessel's nationality is contained in the __________.

    N a. Certificate of Inspection
    N b. Official Log
    Y c. Certificate of Documentation
    N d. Shipping Articles

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

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

601: Your vessel has completed an inspection for certification and is issued a temporary certificate. This __________.

    N a. expires six months after it is issued
    N b. must be exchanged for a regular Certificate of Inspection before going foreign or out of state
    Y c. has the full force of a regular Certificate of Inspection
    N d. must be posted in the vicinity of the officers' licenses

634: The "iron mike" is a(n) __________.

    N a. pilot
    N b. speaker
    N c. standby wheel
    Y d. automatic pilot

704: Laying out a line in successive circles flat on deck with the bitter end in the center is known as __________.

    N a. coiling
    N b. faking
    Y c. flemishing
    N d. lining

711: If an alien stowaway is discovered aboard your vessel, his name must be placed on the __________.

    N a. Alien Crew List
    N b. Crew List
    N c. Passenger List
    Y d. separate Passenger List marked stowaways

831: The Oil Record Book on a vessel NOT engaged on a foreign voyage shall be maintained on board for not less than __________.

    N a. 12 months
    N b. 24 months
    Y c. 36 months
    N d. 48 months

865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

    Y a. 3,000 lbs
    N b. 5,000 lbs
    N c. 15,000 lbs
    N d. 65,000 lbs

873: At the required fire drill, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them __________.

    N a. by the Coast Guard regulations
    Y b. in the Muster List ("Station Bill")
    N c. by the person conducting the drill
    N d. at the previous safety meeting

917: What is the period of validity of a Safety Management Certificate?

    Y a. 60 months
    N b. 48 months
    N c. 42 months
    N d. 36 months

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

991: When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed, the watch officer should record the results __________.

    N a. in the vessel's Official Logbook
    N b. on the compass deviation card
    Y c. in the compass deviation log
    N d. on a Napier diagram

1034: You are the licensed operator of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand the language commonly used onboard the vessel?

    N a. 100%
    Y b. 75%
    N c. 65%
    N d. 50%

1060: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.

    Y a. refuse to accept the package
    N b. note the exception(s) on the Bill of Lading
    N c. replace the packaging material before stowage
    N d. seek the approval of the USCG Captain of the Port

1131: U.S. Customs, upon boarding a vessel desiring entry into a U.S. port, would inspect which document?

    N a. Cargo Manifest
    N b. Certified Crew List
    N c. Stores List
    Y d. All of the above

1131: U.S. Customs, upon boarding a vessel desiring entry into a U.S. port, would inspect which document?

    N a. Cargo Manifest
    N b. Certified Crew List
    N c. Stores List
    Y d. All of the above

1157: What is a correct reply to a pilot's request, "How's your head"?

    N a. "Steady"
    Y b. "Passing 150°"
    N c. "Checked"
    N d. "Eased to 5° rudder"

1324: The forecastle card is a(n) __________.

    Y a. copy of the shipping agreement
    N b. quarters allocation
    N c. Muster List ("Station Bill")
    N d. unlicensed shipping card from the union

1431: A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances, the __________.

    Y a. vessel operator can collect demurrage
    N b. ship is authorized extra time to discharge the cargo
    N c. charterer must pay dispatch money
    N d. effective period of the charter is extended

1505: The supplement to the IOPP Certificate contains what type of data?

    N a. The grades of cargo that an oil tanker is permitted to carry.
    Y b. A checklist of the equipment installed for controlling the discharge of oil.
    N c. The trade routes upon which the vessel may operate.
    N d. A list of the underwriters who will assume financial responsibility in the event of an oil spill.

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

1612: Which of the pictures in illustration DO30DG represents a stopper? (DO30DG )

    N a. E
    Y b. N
    N c. R
    N d. S

1692: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2206 on it. This indicates that it is carrying what cargo?

    Y a. Isocyanates, n.o.s.
    N b. Propadiene, inhibited
    N c. Xylenol
    N d. Hexanols

1750: A grapnel is a __________.

    N a. device for securing a chain topping lift
    N b. hook to prevent the anchor cable from slipping
    Y c. device used to drag for a submerged cable or line
    N d. type of clam bucket used for discharging bulk cargo

1830: Using the graph, if the dry bulb temperature is 76°, and the wet bulb temperature is 58°, what is the relative humidity in a cargo hold? (D008DG )

    Y a. 35%
    N b. 47%
    N c. 61%
    N d. 76%

1908: When towing astern, increased catenary will __________.

    N a. increase control of the tow
    N b. prevent the towing vessel from going in irons
    N c. make the towing vessel less maneuverable
    Y d. reduce shock stress on the towing hawser

1943: In order to pay out or slack a mooring line which is under strain, you should __________.

    N a. sluice the line
    Y b. surge the line
    N c. stopper the line
    N d. slip the line

2091: When operating in an area where sea ice and icebergs are present, which statement is TRUE?

    Y a. Icebergs may travel in a direction many degrees different from the sea ice.
    N b. Both icebergs and sea ice will move in approximately the same direction and at the same speed.
    N c. Icebergs and sea ice will move in the same direction, but at different speeds due to the sail effect of the berg.
    N d. Icebergs and sea ice will move in the same direction, but the iceberg will move slower because of its underwater bulk.

2117: When a vessel is involved in a casualty. The cost of property damage includes the __________.

    Y a. cost of labor and material to restore the vessel to the service condition which existed before the casualty
    N b. loss of revenue while the vessel is being repaired, up to a maximum of $50,000
    N c. damage claims awarded to individuals or companies involved in the casualty
    N d. All of the above

2153: The shipping papers for the products being carried in your tankship are NOT required to contain the __________.

    Y a. exact quantity of the cargoes
    N b. grades of the cargoes
    N c. location of the delivery point(s)
    N d. name of the consignee(s)

2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?

    N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity.
    Y b. Refuse to sign a Clean Bill of Lading.
    N c. Sign the Clean Bill of Lading and have the agent countersign it.
    N d. Sign a Clean Bill of lading under protest.

2197: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.

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

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

2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.

    N a. Load Line Certificate
    Y b. Certificate of Inspection
    N c. Safety of Life at Sea Certificate
    N d. operations manual

2281: Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?

    N a. Continue backing to scour out the bottom.
    N b. Wait for high tide and then try backing.
    Y c. Flood empty tanks to increase bottom pressure and prevent inshore creep.
    N d. Shift weight aft to reduce the forward draft.

2366: To "shore up" the main deck for the stowage of deck cargo means to __________.

    N a. weld pad eyes on deck in proper position to secure the cargo
    Y b. strengthen the main deck by placing pillars underneath it in the tween-decks
    N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck
    N d. package the cargo in wooden crates so it will not damage the deck

2453: On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.

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

2516: Which statement about the dangerous cargo manifest, carried on a ship, is TRUE?

    N a. The manifest must be made up by the Master or other designated ship's officer.
    N b. Shipments of hazardous and non-hazardous cargo may be listed on the manifest if they are destined for the same consignee.
    Y c. The manifest must be kept in a designated holder on or near the bridge.
    N d. The type of label(s) required for each cargo must be indicated.

2688: What would have the greatest affect on a vessel's longitudinal strength?

    N a. Collision damage to the bow, forward of the collision bulkhead
    Y b. Grounding damage to the bilge strake, just aft of midships
    N c. Extensive corrosion to the centerline deck plating
    N d. Damage to the side shell, midway between the bilge and the stringer plate

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.

2778: Assume that your vessel has just entered Lake Erie by way of the Welland Canal and is proceeding in a southwesterly direction. Which statement about the aids to navigation you can expect to encounter along the route is TRUE?

    Y a. The characteristics of buoys and other aids are as if "returning from seaward" when proceeding in this direction.
    N b. All aids are maintained by the U.S. Coast Guard, 9th Coast Guard District, Cleveland, Ohio.
    N c. All red even-numbered buoys should be kept on your port side when proceeding in this direction.
    N d. Lighted aids, fog signals, and radio beacons maintained by Canada are not included in the Great Lakes Light List.

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

3046: What is an explosion hazard when exposed to flame?

    N a. Formic acid
    N b. Nitrous oxide
    N c. Tallow
    Y d. Toluene

3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.

    N a. the compensating tanks on the high side
    Y b. the list man changing the discharge location of the chutes
    N c. allowing the grain to level itself as the hold fills to the spar deck level
    N d. trimming the final loading cone by hand

3112: A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is __________.

    N a. from the ship's propeller when making up aft
    N b. from being overrun if making up forward
    N c. hull damage while alongside passing a hawser
    Y d. getting in a tripping position

3126: Your tankship is carrying a cargo of styrene. Which of the following is NOT a requirement for carriage of this cargo?

    Y a. P/V valves with galvanized parts must be replaced.
    N b. Authorization to carry styrene must be endorsed on the Certificate of Inspection.
    N c. You must have a "Certificate of Inhibition" provided by the shipper.
    N d. The cargo tank heating coils must be blanked off.

3211: With the buttress securing system, containers of different heights must be stowed __________.

    N a. on the bottom tier on deck
    N b. in the hold
    N c. next to the buttress tower
    Y d. on the top tier

3488: Angular motion about the vertical axis of a vessel is called __________.

    Y a. yaw
    N b. surge
    N c. sway
    N d. roll

3520: A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?

    N a. Shift weight to the bow
    N b. Shift weight to the center of the boat
    Y c. Shift weight to the stern
    N d. Throw excess weight overboard

4044: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 500 yards and your vessel's LOA is 484 feet. If you anchor in 8 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?

    N a. 6 shots
    N b. 5 shots
    N c. 4 shots
    Y d. 3 shots

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

4129: Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels?

    N a. Chain lever or turnbuckle
    Y b. Webbing
    N c. Chain
    N d. None of the above

4202: Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?

    N a. One crane is able to work both sides of the ship.
    N b. One crane is able to work one end of two adjacent hatches.
    N c. They are more economical and weigh less.
    Y d. All of the above

4243: What is/are the advantage(s) of cranes over conventional cargo booms?

    N a. Cranes are able to pick up and drop loads over a greater spotting area
    N b. Increased safety because the deck is clear of running and standing rigging
    N c. Simplicity of operation of the crane by its operator
    Y d. All of the above

4383: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Boom luffing falls
    Y b. Cargo hoist falls
    N c. Remote block tagline system
    N d. Slewing cable