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.


53: The objective of shoring a damaged bulkhead is to __________.


81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?


94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.


306: You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your engine you would expect your vessel to __________.

    Y a. kick its stern to port
    N b. kick its stern to starboard
    N c. move astern without swinging
    N d. swing its stern to starboard, then to port

315: A vessel must have one approved ring life buoy on board if its length is over how many feet?

    N a. 6 feet
    N b. 16 feet
    Y c. 26 feet
    N d. 36 feet

363: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?

    N a. Companions and booby hatches
    Y b. Chart room
    N c. Open structures
    N d. All of the above

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

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

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

556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.

    N a. both engines ahead and helm
    N b. one engine only
    Y c. port engine ahead and the starboard engine astern
    N d. both engines astern and use helm

560: You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true?

    Y a. The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space.
    N b. Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo.
    N c. The cylinders must have a red label for flammability and a green label for compressed gas.
    N d. The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them.

600: You are on a containership. Which statement about the stowage of hazardous materials in containers is TRUE?

    N a. The containers provide automatic segregation of hazardous materials except for class A explosives.
    N b. All packages within a container must be marked "This End Up" to indicate the correct stowage.
    Y c. A refrigerated container with a fuel tank containing a flammable liquid must be stowed on deck.
    N d. Packages of liquids within a container should be stowed on top of packages of solids to prevent crushing.

605: You would properly secure a gantline to a bosun's chair with a __________.

    N a. fisherman's bend
    N b. bowline
    Y c. double sheet bend
    N d. double blackwall hitch

772: To reduce stress on the towing hawser when towing astern (ocean tow), the hawser should be __________.

    N a. secured to the aftermost fitting on the towing vessel
    N b. just touching the water
    Y c. underwater
    N d. as short as possible

842: When can the US citizenship requirement for the Master of a US-flag uninspected towing vessel be waived?

    N a. When US-licensed Masters are not readily available
    N b. When it costs too much to hire a US-licensed Master
    N c. When the towing vessel operates shoreward of the boundary line
    Y d. Never, under any circumstances

852: How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?

    Y a. Require a demonstration by the officer and the crew member
    N b. Require a written test
    N c. Require that an interpreter be provided
    N d. All of the above

902: The number of able seamen required on board is stated in the __________.

    N a. American Bureau of Shipping code
    N b. Solas Certificate
    N c. Classification Certificate
    Y d. Certificate of Inspection

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

974: The "Port-Off-Stbd" selector switch on an autopilot steering stand is used to __________.

    N a. change from hand electric steering to automatic gyro
    Y b. change over one steering system to the other
    N c. change over hand electric steering to non-followup
    N d. change over the port to the starboard bow thruster

1150: In ship construction, frame spacing is __________.

    N a. greater at the bow and stern
    Y b. reduced at the bow and stern
    N c. uniform over the length of the vessel
    N d. uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses

1153: What affect does shallow water have on a vessel's stopping distance?

    N a. The stopping distance is shorter.
    Y b. The stopping distance is longer.
    N c. There is no difference in the stopping distance.
    N d. The propeller is more effective when going astern in shallow water.

1217: The proper way to correct a mistake in the logbook is to __________.

    N a. erase the entry and rewrite
    Y b. draw a line through the entry, rewrite, and initial the correction
    N c. draw several lines through the entry, rewrite, and initial the correction
    N d. completely black out the entry, rewrite, and initial the correction

1262: You are the Master of a 500-gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.

    N a. Coast Guard, only if the grounding results in damage to property in excess of $25,000
    N b. Coast Guard, only if the grounding results in a loss of life
    N c. Coast Guard, only if the grounding results in injury to personnel
    Y d. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible

1296: To ensure the best results during the Mediterranean moor, the chains should __________.

    N a. be crossed around the bow
    N b. tend out at right angles to the bow
    N c. tend aft 60°From each bow
    Y d. tend forward 30° on either bow

1306: You are making mooring lines fast to bitts, stern to, as in some Mediterranean ports. A swell is liable to make the vessel surge. How should you tie up?

    Y a. Use manila or synthetic fiber hawsers only.
    N b. Use wires only from the stern and each quarter.
    N c. Use synthetic fiber and/or manila hawsers as required.
    N d. Use wires from each quarter and manila hawsers from the stern.

1316: The anchor chain should be kept moderately taut during a Mediterranean moor to __________.

    N a. facilitate speed of recovery during the weighing process
    N b. indicate the anchor's location to passing or mooring ships
    Y c. prevent damage to the stern in the event of a headwind
    N d. provide a steady platform for the gangway between the fantail and pier

1478: What does "in step" refer to in regards to towing?

    N a. The towed vessel follows exactly in the wake of the towing vessel.
    N b. There is no catenary in the towing hawser.
    N c. When turning, both the towed and towing vessels turn at the same time.
    Y d. Both the towed and towing vessels reach a wave crest or trough at the same time.

1523: When making a short splice in wire rope __________.

    Y a. all tucks go against the lay
    N b. all tucks go with the lay
    N c. the first three wires are tucked against the lay and the last three go with the lay
    N d. the first three wires are tucked with the lay and the last three go against the lay

1564: What is the main reason to slush a wire rope?

    N a. Keep the wire soft and manageable
    Y b. Lubricate the inner wires and prevent wear
    N c. Prevent kinking
    N d. Prevent rotting

1688: Grade E combustible liquids have a flash point of __________.

    N a. 80°F to 150°F
    Y b. 150°F or above
    N c. 60°F to 100°F
    N d. 90°F to 120°F

1716: Which is the correct procedure for anchoring a small to medium size vessel in deep water?

    N a. Let the anchor fall free from the hawsepipe, but apply the brake at intervals to check the rate of fall.
    N b. Back the anchor slowly out of the hawsepipe a few feet, and then let it fall in the normal fashion.
    N c. Let the anchor fall off the brake right from the hawsepipe, but keep a slight strain on the brake.
    Y d. Under power, back the anchor out until it is near, but clear, of the bottom before letting it fall.

1765: The annual survey for endorsement of a Load Line Certificate must be held within __________.

    N a. the three month period immediately following the certificate's anniversary date
    N b. the three month period immediately preceding the certificate's anniversary date
    Y c. three months either way of the certificate's anniversary date
    N d. the three month period centered on the certificate's anniversary date

1775: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2224 on it. This indicates that it is carrying what cargo?

    N a. Hexanol
    N b. Acrylic acid
    Y c. Benzonitrile
    N d. Propadiene, inhibited

1957: The strake of shell plating indicated by letter H is known as the __________. (D033DG )

    N a. sheer strake
    N b. outboard keel plate
    Y c. garboard strake
    N d. bilge strake

1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?

    N a. Worm that part of the line.
    N b. Splice that part of the line.
    Y c. Cover it with chafing gear.
    N d. Install a cleat.

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.

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

2025: What is the chief hazard encountered when surging synthetic mooring lines on the gypsyhead during operations?

    N a. If there is sudden strain, the man tending the line may be pulled into the gypsyhead.
    N b. The lines may jam and then jump off the gypsyhead.
    N c. The lines' surging may cause the vessel to surge.
    Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead.

2038: With a large ocean tow in heavy weather, you should NOT __________.

    N a. keep the stern of the tug well down in the water
    Y b. adjust the towline so the tug is on the crest when the tow is in the trough
    N c. keep the low point of the catenary in the water
    N d. use a long towing hawser

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

2175: Which is a negotiated charter?

    Y a. Fixture
    N b. Bill of Lading
    N c. Conference agreement
    N d. All of the above

2360: Splices made in nylon should __________.

    N a. be long splices only
    Y b. have extra tucks taken
    N c. be short splices only
    N d. be around a thimble

2568: You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/cushion effect. You should __________.

    N a. stop engines and put the rudder left full
    N b. back full with rudder amidships
    N c. decrease speed and put the rudder right full
    Y d. increase speed and put the rudder right full

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

2791: What is the period of validity of a Cargo Ship Safety Equipment Certificate?

    N a. 72 months
    Y b. 60 months
    N c. 48 months
    N d. 42 months

3054: The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.

    N a. during the passage of a rapidly moving warm front
    Y b. when strong winds from the Northeast suddenly diminish
    N c. during the months of May through August
    N d. when the Moon and Sun are in alignment

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

3070: What is an advantage of a gate valve over a butterfly valve?

    Y a. Less frequent maintenance
    N b. Faster operation
    N c. Cheaper
    N d. More compact

3323: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?

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

3330: When towing astern, chafing gear should NOT be used on a hawser which is __________.

    N a. attached to an "H" bitt
    Y b. attached to an automatic towing engine
    N c. held amidships by a gob rope
    N d. connected to a swivel

3396: A tow that veers to the side on the end of the towline is said to __________.

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

3470: The section of each end of a barge which is heavily reinforced to take the pressure of pushing is called the __________.

    Y a. headlog
    N b. towhead
    N c. collision bulkhead
    N d. bullnose

3689: The wildcat is linked to the central drive shaft on most windlasses by __________.

    N a. an electromagnetic brake
    N b. a hydraulic coupling
    N c. aligning the keyways on both and inserting a key
    Y d. a mechanical coupling where lugs engage detents

3742: It is good practice to use long towlines for ocean tows because the __________.

    N a. wear on the towline is equalized
    N b. weight of the towline increases the towing force
    Y c. dip in the towline absorbs shock loads
    N d. danger of overriding is reduced

4042: You are on a 120,000 DWT loaded bulk carrier. What is the maximum safe docking speed when coming alongside?

    N a. 0.1 foot per second (0.06 knot)
    Y b. 0.2 foot per second (0.12 knot)
    N c. 0.5 foot per second (0.30 knot)
    N d. 0.75 foot per second (0.44 knot)

4069: The horizontal fore-and-aft movement of a vessel is called __________.

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

4153: What should you be concerned with when loading and securing vehicles on a Ro-Ro?

    Y a. Number, position and angle of lashes
    N b. Number of axles
    N c. Disconnecting the battery cables to prevent fire hazard
    N d. Minor air pressure changes in the tires

4157: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?

    N a. Duration of the voyage
    N b. Types of cargo units and vehicles to be carried
    N c. Weight of cargo units and vehicles
    Y d. All of the above

4210: Pedestal cranes have limit switches to restrict the movement of which function?

    N a. Luff rate limits
    Y b. Slew travel limits
    N c. Swivel power limits
    N d. Slew rate limits

4228: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )

    N a. Boom assembly
    N b. Hook block assembly
    N c. Operator's cab
    Y d. All of the above

4379: When relieving the helm, the new helmsman should know the __________.

    N a. maximum rudder angle previously used
    N b. gyro error
    N c. variation
    Y d. course per magnetic steering compass