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.


68: Odorous cargoes are those that __________.


130: You are on a vessel carrying liquefied butadiene in bulk. Which document is NOT required to be either in the wheelhouse or easily accessible to the person on watch while underway?


140: Your tankship is carrying a 30% solution of hydrogen peroxide. The cargo containment system must have a permanent inert gas system. While discharging this cargo the inert gas system must maintain a minimum pressure of __________.


262: Mousing a cargo hook with marline or small line __________.

    N a. increases the lifting capacity of the hook
    N b. protects the hook from the sling ring
    Y c. prevents the sling ring from coming out of the hook
    N d. All of the above

299: Cargo transfer operations on a tank vessel need NOT be stopped when __________.

    Y a. a tug comes alongside while the tanker is loading grade D and E cargoes
    N b. a large, fresh oil spill is discovered immediately adjacent to the side of the tanker
    N c. there is an electrical storm in the vicinity
    N d. there is a fire on the dock or on a nearby vessel

303: What requires a Report of Marine Accident, Injury or Death?

    N a. Collision with a bridge
    N b. Injury beyond first aid
    N c. loss of life
    Y d. All of the above

362: A towing vessel is tripped when __________.

    N a. it is overtaken by the tow
    Y b. it is pulled sideways by the tow
    N c. the weight of the towing hawser causes loss of maneuverability
    N d. the propeller is fouled by the towing hawser

406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?

    N a. If one screw is stopped, the ship will turn toward the side of the stopped screw.
    N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder.
    Y c. Turning response by use of the rudder only is greater than on a single-screw vessel.
    N d. With the rudder amidships, the ship will steer a fairly steady course.

537: Which type of hook can be used as a towing hook?

    N a. Standard towing hooks
    N b. Spring-loaded towing hooks
    N c. Pelican hooks
    Y d. All of the above

615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.

    Y a. bank cushion
    N b. bank suction
    N c. bow wave
    N d. veering cushion

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

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

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

701: The Safety Equipment Certificate shows that the vessel conforms to the standards of the __________.

    N a. U.S. Coast Guard
    N b. American Bureau of Shipping
    N c. American Salvage Association
    Y d. S.O.L.A.S. Convention

718: How many board feet of dunnage would you estimate to be in a pile 5 feet wide, 1 foot high and 14 feet long?

    N a. 70
    Y b. 840
    N c. 960
    N d. 1080

735: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.

    N a. main brace
    Y b. tow span
    N c. jockey bar
    N d. None of the above

774: The strongest of the natural fibers is __________.

    N a. cotton
    N b. hemp
    Y c. manila
    N d. sisal

834: A whipping on a fiber line __________.

    Y a. keeps the ends from fraying
    N b. strengthens it
    N c. protects your hands
    N d. becomes part of a splice

1105: You are rigging a stage over the ship's side to serve as a working platform. For stability of the stage, the downhaul to one end of the stage and the downhaul to the other end, which are used for lowering the stage, should be led __________.

    N a. both to the inboard side of the stage
    N b. both to the outboard side of the stage
    Y c. one to the inboard and the other to the outboard
    N d. either both to the inboard or both to the outboard side of the stage

1168: A vessel has completed loading cargo in the port of San Francisco. What document is signed by the Master stating the terms that goods were delivered and received by the ship?

    N a. Bill of Goods
    Y b. Bill of Lading
    N c. Cargo Manifest
    N d. Cargo Receipt

1232: 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 __________.

    N a. check that the wheel is firmly connected to the shaft
    N b. signal the engineroom to "Standby the Engines"
    N c. set the "Mode" switch to "Auto" and steer by auto-pilot
    Y d. switch to the other steering pump

1248: A declaration made by the Master before a U.S. Consul, giving particulars regarding heavy weather or other incidents which may have caused damage to the vessel or cargo, through no fault of the vessel, her officers, or crew is a(n) __________.

    N a. cargo addendum
    N b. exception report
    N c. Master's declaration
    Y d. note of protest

1298: A Master should file a marine note of protest if __________.

    N a. cargo was received at ship side which was damaged in land transit
    N b. longshore labor went on strike in the port causing undue vessel delay
    N c. portions of his vessel's cargo were illegally impounded in a foreign port
    Y d. the vessel encountered heavy weather which might have caused cargo damage

1325: 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
    Y b. Certificate of Inspection
    N c. Articles of Agreement
    N d. fo'c'sle card

1356: If your vessel is dragging her anchor in a strong wind, you should __________.

    N a. shorten the scope of anchor cable
    Y b. increase the scope of anchor cable
    N c. put over the sea anchor
    N d. put over a stern anchor

1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?

    N a. One shot of chain for every ten feet of water
    Y b. One shot of chain for every fifteen feet of water
    N c. One shot of chain for every thirty feet of water
    N d. One shot of chain for every ninety feet of water

1578: A stream of water immediately surrounding a moving vessel's hull, flowing in the same direction as the vessel is known as __________.

    N a. directional current
    N b. forward current
    N c. propeller current
    Y d. wake current

1611: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.

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

1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.

    N a. cover plate
    N b. joiner
    N c. lap strake
    Y d. stealer plate

1661: Which document is NOT required by law to be posted aboard a vessel?

    N a. Certificate of Inspection
    Y b. Official Crew List
    N c. Officer's licenses
    N d. Muster list

1730: A disk with a horizontal line through its center, equivalent to the summer load line, is called the __________.

    N a. deadrise mark
    N b. maximum allowable draft mark
    Y c. Plimsoll mark
    N d. tonnage mark

1759: The amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90° would be __________.

    N a. 1000 lbs.
    N b. 1154 lbs.
    Y c. 1414 lbs.
    N d. 2000 lbs.

1767: What is the name of the mark indicated by the letter E? (DO03DG )

    N a. Fresh water line
    N b. Winter water line
    N c. Tropical water line
    Y d. Summer water line

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

1813: A snatch block would most likely be used as a __________.

    N a. boat fall
    Y b. fairlead
    N c. riding pawl
    N d. topping lift

1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.

    Y a. the towing vessel should slip first
    N b. the vessel towed should slip first
    N c. they should slip simultaneously
    N d. either vessel may slip first

1966: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

    N a. bow
    N b. bridge
    Y c. center of gravity
    N d. centerline

2045: When relieving the helm, the new helmsman will find it helpful to know the __________.

    N a. deviation on that heading
    N b. variation in the area
    N c. leeway
    Y d. amount of helm carried for a steady course

2146: You are on a single-screw vessel with a right-handed propeller. The vessel is going full speed astern with full right rudder. The bow will swing __________.

    N a. quickly to port, then more slowly to port
    Y b. probably to port
    N c. slowly to port, then quickly to starboard
    N d. probably to starboard

2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.

    N a. toppling
    Y b. racking
    N c. buckling
    N d. crushing

2263: You are using tackle number 1 in illustration DO29DG to lift a weight of 100 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. 50 lbs.
    N b. 55 lbs.
    N c. 100 lbs.
    Y d. 110 lbs.

2365: A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called __________.

    Y a. spring lay
    N b. lang lay
    N c. cable lay
    N d. alternate lay

2399: You are standing 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. Obey the Pilot.
    N b. Bring the rudder to a position midway between the two conflicting positions.
    N c. Ask the Pilot if he relinquishes control.
    Y d. Obey the Master.

2708: Which statement is TRUE with respect to the load line markings shown. (D031DG )

    Y a. A vessel displaying these marks may load in the salt waters of the St. Lawrence River.
    N b. Vessels engaged solely on Great Lakes voyages are not required to show these marks.
    N c. U.S. flag vessels less than 100 feet in length and less than 200 gross tons are not required to show these marks.
    N d. U.S. flag vessels of 100 gross tons and upward must show these marks.

2832: You are transiting the Straits of Mackinac by way of an improved channel. You have information which indicates that the channel's Federal project depth is 28 ft. Which of the following statements is true with regards to this channel?

    N a. The least depth within the limits of the channel is 28 ft.
    Y b. The design dredging depth of the channel is 28 ft.
    N c. The channel has 28 ft. in the center but lesser depths may exist in the remainder of the channel.
    N d. The maximum depth which may be expected within the limits of the channel is 28 ft.

2960: When cutting wire rope, seizings are put on each side of the cut. The seizings prevent the wire from unlaying and also __________.

    Y a. maintain the original balance of the tension in the wires and strands
    N b. prevent moisture from entering between the wires at the cut end
    N c. forces lubricant from the core to protect the raw, cut end
    N d. All of the above

3017: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?

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

3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?

    N a. 1 3/8 inch
    N b. 1 1/2 inch
    Y c. 1 3/4 inch
    N d. 1 7/8 inch

3120: You are operating a 150 GT towing vessel. What is NOT required on the vessel?

    N a. Certificate of Documentation
    N b. FCC station license
    N c. Your Coast Guard license
    Y d. Certificate of Inspection

3141: What is NOT a securing system used on a containership?

    N a. Lashing system
    Y b. Stacking system
    N c. Locking system
    N d. Buttress system

3530: Which is NOT a duty of a look-out?

    N a. Refuse to talk to others, except as required by duty.
    N b. Remain standing during your watch.
    N c. Report every sighting.
    Y d. Supervise any deck work going on in the area.

3599: What term indicates the outward curvature of the hull above the waterline?

    N a. sheer
    N b. tumble home
    N c. deadrise
    Y d. flare

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

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

4012: The purpose of item G is to __________. (D024DG )

    N a. distribute the vessel's thrust over a wider area
    N b. prevent the towboat from capsizing if item I should part
    Y c. prevent the knee from shifting when the rudder is put hard over
    N d. keep the barges from shifting fore and aft

4063: The knot at the end of the heaving line used to pass the towing hawser is called a __________.

    Y a. monkey's fist
    N b. ball or baseball knot
    N c. heaving knot
    N d. three strand Turk's head

4101: Which of the following is a characteristic of a Ro-Ro vessel?

    N a. Passenger tours available upon docking
    N b. Long port stays necessary to secure vehicles
    Y c. Short in port turnaround times
    N d. Heavy vehicles only require lightweight securing equipment

4184: Which of the following lashing gear used aboard Ro-Ro vessels should be stowed when not in use?

    N a. Chain
    N b. Wire rope
    N c. Webbing
    Y d. All of the above

4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?

    Y a. Drape along brackets
    N b. Leave in place while back loading cargo to save time
    N c. Hang vertically in the paint locker
    N d. All of the above

4251: Which action(s) is/are included in crane operations?

    N a. Single-mode set-up & operation
    N b. Twin-mode set-up & operation
    N c. Normal boom stowage and shutdown operation
    Y d. All of the above

4263: Which statement(s) is/are TRUE concerning crane cargo operations?

    N a. Lifting points on all equipment must be safely checked prior to commencing a lift.
    N b. Cargo loaded into vehicles and/or containers prior to lifting needs to be properly secured so as to prevent shifting during transport.
    N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs.
    Y d. All the above