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.


8: What is NOT an advantage of filler cargo?


77: When steering a vessel, a good helmsman will __________.


137: The system of valves and cargo lines in the bottom piping network of a tank barge that connects one section of cargo tanks to another section is called a __________.


187: You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?

    N a. Ask the Pilot if he relinquishes control.
    N b. Obey the Pilot.
    Y c. Obey the Master.
    N d. Bring the rudder to a position midway between the two conflicting positions.

301: You are signing on a crew. Which person is presenting a Merchant Mariner's Document (MMD) that you should suspect as being invalid?

    N a. An AB with an endorsement of "Any unlicensed rating in the deck department including Able Seaman"
    Y b. A seaman with an MMD only endorsed as "Bosun"
    N c. A Purser with an MMD only endorsed "See certificate of registry"
    N d. A Chief Steward with an MMD only endorsed as "Steward's Dept. (FH)"

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"

384: A "strongback" refers to a __________.

    Y a. bar securing a cargo port
    N b. centerline vertical bulkhead
    N c. deep beam
    N d. spanner stay

444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.

    N a. bight
    Y b. bollard
    N c. chock
    N d. camel

510: You have loaded dangerous cargo on your vessel and must fill out a Dangerous Cargo Manifest. In which publication would you find the requirements to complete this form?

    N a. 33 CFR - Navigation and Navigable Waters
    Y b. 46 CFR - Shipping
    N c. IMCO - Intergovernmental Maritime Consultative Organization
    N d. IMDG - International Maritime Dangerous Goods

561: Which space cannot be deducted from gross tonnage when calculating net tonnage?

    N a. Crew messroom
    Y b. Forepeak ballast tank
    N c. Master's cabin
    N d. Chain locker

716: Your vessel is proceeding along a narrow channel. The effect called bank cushion has which effect on the vessel?

    Y a. Forces the bow away from the bank
    N b. Forces the stern away from the bank
    N c. Forces the entire vessel bodily away from the bank
    N d. Decreases the draft at the bow

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

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

889: The owner or Master of a towing vessel must evaluate whether the entire towline, or a part of it, is no longer serviceable. The towline should be removed from service in all cases EXCEPT ___________ .

    N a. when recommended by the manufacturer or an authorized classification society
    N b. in accordance with a replacement schedule
    Y c. when the vessel is underway
    N d. depending on the mileage or time that the towline has been in service

922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?

    N a. Shut down the cargo hold ventilation.
    N b. Sound the fire alarm signal to rouse out all hands.
    N c. Call the Master.
    Y d. Proceed to the space and inspect the extent of the fire.

941: Which logbook is required to be submitted to the Coast Guard?

    Y a. Official Log
    N b. Smooth log
    N c. Rough log
    N d. Bell log

965: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you should first __________.

    N a. check the setting of the rudder adjustment
    N b. check the setting of the weather adjustment
    Y c. switch to hand steering
    N d. immediately engage the trick wheel

973: The "weather adjustment" control on an autopilot steering stand is used to __________.

    N a. allow leeway according to the weather conditions
    N b. proportionally set the number of degrees of rudder response per degree of course error
    Y c. set the null band or dead zone signal before actuating the rudder
    N d. set the speed at which the rudder responds

1018: Which U.S. Government agency can suspend or revoke a Merchant Mariner's license for violating the load line act?

    N a. American Bureau of Shipping
    Y b. U.S. Coast Guard
    N c. U.S. Customs Service
    N d. U.S. Maritime Administration

1062: An IOPP Certificate on an inspected vessel is valid for what period of time?

    N a. 6 months
    N b. 12 months
    N c. 18 months
    Y d. 5 years

1090: A chock __________.

    N a. is a deck fitting used to shackle gear to the deck
    N b. permits easy jettisoning of deck cargo in an emergency
    N c. prevents stress concentration in the bulwark
    Y d. provides openings through the bulwark for mooring lines

1164: Which type of line floats?

    N a. Dacron
    N b. Nylon
    N c. Old manila
    Y d. Polypropylene

1286: The anchors should be dropped well out from the pier while at a Mediterranean moor to __________.

    N a. eliminate navigational hazards by allowing the chain to lie along the harbor bottom
    N b. increase the anchor's reliability by providing a large catenary in the chain
    Y c. permit the ship to maneuver in the stream while weighing anchors
    N d. prevent damage to the stern caused by swinging against the pier in the approach

1526: One shot of anchor chain is equal to how many feet (meters)?

    N a. 6 (1.8 meters)
    N b. 15 (4.6 meters)
    N c. 45 (13.7 meters)
    Y d. 90 (27.4 meters)

1562: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?

    N a. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage.
    N b. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy.
    N c. Storm damage to the cargo winch motors requires repairs costing $19,000.
    Y d. Your vessel is at anchor and grounds at low tide with no apparent damage.

1742: You should conduct a sector search under which of the following circumstances?

    Y a. The search target is sighted and then lost.
    N b. More than one vessel is available for a search.
    N c. The search object is a target that will be readily detected by radar.
    N d. An aircraft is available to assist a surface vessel.

1753: To reeve a right-angle threefold purchase start with the __________.

    N a. left sheave bottom block
    N b. left sheave top block
    Y c. middle sheave top block
    N d. right sheave bottom block

1769: Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vertical. What is the stress on each fall?

    Y a. Port 1.5 tons, starboard 1.0 tons
    N b. Port 1.5 tons, starboard 1.5 tons
    N c. Port 1.7 tons, starboard 1.3 tons
    N d. Port 1.7 tons, starboard 2.0 tons

1769: Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vertical. What is the stress on each fall?

    Y a. Port 1.5 tons, starboard 1.0 tons
    N b. Port 1.5 tons, starboard 1.5 tons
    N c. Port 1.7 tons, starboard 1.3 tons
    N d. Port 1.7 tons, starboard 2.0 tons

1802: Which picture represents a bowline? (DO30DG )

    N a. G
    N b. H
    N c. L
    Y d. Q

1832: The run of plating labeled A is known as the __________. (D033DG )

    N a. sheer strake
    Y b. stringer plate
    N c. deck strake
    N d. deck longitudinal

1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )

    N a. 57 lbs.
    N b. 42 lbs.
    N c. 39 lbs.
    Y d. 34 lbs.

1881: In time of war Naval Control of Shipping Authorities may give orders concerning the __________.

    N a. cargo to be loaded
    N b. final destination
    Y c. ship's route
    N d. All of the above

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

1990: Upon receipt of a distress message, a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?

    N a. The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress message.
    N b. There are vessels closer to the distress scene that are proceeding to assist.
    Y c. The Master of the vessel in distress has requisitioned another vessel, and that vessel has accepted the requisition.
    N d. You are on a tank vessel and the distress involves a major fire on board the other vessel.

2007: The helm command "shift your rudder" means __________.

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

2075: The knot lettered E is a __________. (DO30DG )

    N a. stopper hitch
    N b. blackwall hitch
    Y c. timber and half hitch
    N d. bowline on a bight

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.

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.

2171: The order of importance in addressing damage control is __________.

    N a. control flooding, control fire, repair structural damage
    N b. restore vital services, control fire, control flooding
    N c. control fire, restore vital services, control flooding
    Y d. control fire, control flooding, repair structural damage

2172: The lower hold of your vessel has a bale cubic of 52,000 cu. ft. You will load a cargo of cases, each weighing 380 lbs. and measuring 3 ft. x 2 ft. x 2 ft. The estimated broken stowage is 15%. How many tons of cases can be loaded?

    N a. 137 tons
    N b. 161 tons
    Y c. 625 tons
    N d. 969 tons

2191: A wooden deck installed on top of the plating lettered N is known as __________. (D033DG )

    N a. spar decking
    N b. furring
    Y c. ceiling
    N d. flooring

2389: What is the area of a circle with a diameter of 17 feet after a sector of 111° has been removed?

    N a. 36.94 square ft.
    Y b. 156.99 square ft.
    N c. 226.98 square ft.
    N d. 627.47 square ft.

2554: The welds used to attach stiffeners to a plate are known as __________.

    N a. butt welds
    N b. seam welds
    Y c. fillet welds
    N d. plate welds

2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?

    N a. If a Mate deems it necessary for ship's maintenance
    Y b. At the discretion of the Master, for reasonable purposes
    N c. On the authority of the Bosun
    N d. The hatch may never be uncovered

2622: You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. The center of pressure of the shores on the bulkhead should be located __________.

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

2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.

    N a. backing down to get out of the way of the other vessel
    N b. waiting for the other vessel to signal her intentions, and then answering promptly
    Y c. proposing a safe way to pass
    N d. All of the above

2774: There are basically three categories of water level fluctuations on the Great Lakes. What is NOT included as one of these?

    N a. Long range fluctuations
    Y b. Controlled outflow fluctuations
    N c. Seasonal fluctuations
    N d. Short period fluctuations

2911: The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.

    Y a. pump from the damaged tank
    N b. fight a fire
    N c. abandon ship
    N d. use the crossover system

2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".

    N a. I am altering my course to starboard
    N b. I am altering my course to port
    Y c. I am operating astern propulsion
    N d. My vessel is stopped and making no way through the water

2976: Which statement is TRUE with respect to shiphandling procedures in ice?

    N a. Never go "full astern" at any time while in ice.
    Y b. Go astern in ice with extreme care - always with rudder amidships.
    N c. Enter ice at medium speeds to reduce impact.
    N d. The presence of a snow cover on the ice assists a vessel's progress through an ice field.

3022: You are in the process of adding a barge to your tow. A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position. This line is called a __________.

    N a. scissors wire
    Y b. capstan line
    N c. spring line
    N d. fore and aft line

3081: A seaman is entitled by law to a release from Foreign Articles when __________.

    N a. intoxicated
    N b. deductions are made from wages
    N c. injured
    Y d. the vessel is overloaded

3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )

    Y a. 779 cubic feet (22 cubic meters)
    N b. 992 cubic feet (28 cubic meters)
    N c. 1,047 cubic feet (30 cubic meters)
    N d. 112,125 cubic feet (3173 cubic meters)

3282: What term indicates the immersed body of the vessel aft of the parallel mid-body?

    Y a. Run
    N b. Stern
    N c. Counter
    N d. Flow

3719: Besides saving distance along the track line, another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation is because __________.

    Y a. it is faster
    N b. it can be used in both the immediate action and the delayed action situations
    N c. in fog, if the turn is started as soon as the man goes over, the vessel will be at the point where he went over when the turn is completed
    N d. it returns the vessel to the original track line on a reciprocal course

3728: The main reason a long towline is used during an ocean tow is that __________.

    N a. a margin of safety is provided should the line part
    N b. the towline will wear more evenly
    Y c. there will be less stress on the towline
    N d. a slight increase in speed will be realized

4163: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 20 tons and 30 tons, when carried on Ro-Ro vessels?

    N a. One
    N b. Two
    Y c. Three
    N d. None of the above

4214: What does a jib refer to on a crane?

    Y a. Boom
    N b. Topping lift
    N c. Control cab
    N d. Slewing control

4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?

    N a. Sound the general alarm.
    Y b. Return the control levers to the neutral positions.
    N c. Notify port security.
    N d. Hold the control levers all the way down.