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?


24: A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by __________.


101: You can safely step in the bight of a line __________.


104: You are on watch at sea at night when a fire breaks out in #3 hold just forward of the bridge. You would NOT __________.

    N a. call the Master
    Y b. proceed to the space and inspect the extent of the fire
    N c. shut down the cargo hold ventilation
    N d. sound the fire alarm signal to roust out all hands

126: The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the __________.

    Y a. advance
    N b. drift angle
    N c. pivoting point
    N d. transfer

226: Which statement is TRUE concerning the vessel's slipstream?

    N a. It has no effect on the steering of the vessel.
    N b. It has no effect on the rudder when the helm is amidships.
    N c. Its velocity is the same as that of the wake.
    Y d. The propeller gives it a helical motion.

256: When fruit is carried as refrigerated cargo, the most frequent cause of its being infected at the discharge port is __________.

    N a. leaks in the ship's refrigeration system
    Y b. improper cleaning of the cargo spaces
    N c. carriage at the wrong temperature
    N d. improper precooling of the cargo spaces

324: A "chock" is a __________.

    N a. deck fitting used to secure mooring lines
    Y b. casting fitted at the side of a weather deck, used as a fairlead
    N c. sharp block of wood used to support hygroscopic cargo
    N d. smoke pipe for the galley stove

391: A tonnage tax is levied according to the __________.

    N a. deadweight cargo tonnage aboard
    N b. displacement tonnage of vessel
    N c. gross tonnage of vessel
    Y d. net tonnage of vessel

404: A vessel's "quarter" is that section which is __________.

    N a. abeam
    N b. dead astern
    N c. just aft of the bow
    Y d. on either side of the stern

551: The name and hailing port of a documented commercial vessel is __________.

    N a. not required to be marked anywhere on the vessel
    N b. required to be marked on both bows and on the keel
    Y c. required to be marked on the stern with the name of the vessel marked on both bows
    N d. required to be marked on the keel, stern, and both bows

553: A bridle for an ocean tow consists of __________.

    Y a. two chains of equal length
    N b. a single nylon pendant rove through a heavy ring free to move on the pendant
    N c. two long legs of wire rope shackled to a fishplate
    N d. a single length of heavy chain with both ends secured on deck to welded pad eyes

626: What should NOT be used as an indicator that ice may be

    Y a.
    N b.
    N c.
    N d.

673: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )

    N a. shore line
    Y b. breast line
    N c. spring line
    N d. stern line

715: The term "overriding" or "overrunning" when applied to towing, implies that __________.

    N a. there is more crew on board than required
    Y b. the tow has overtaken its tug
    N c. the towing hawser comes out of the water
    N d. the Norman pins are not effective

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

    N a. chafing bar
    Y b. Dutch tow bar
    N c. carling
    N d. None of the above

859: To insure proper seating when closing a valve on a tank, the valve should be __________.

    N a. closed against the stop and the locking pin inserted
    Y b. closed, opened a half turn, and then closed again
    N c. set up as tight as possible by hand
    N d. set up tight using a valve wrench

936: A precaution you should take before bunkering is to __________

    N a. plug the vents
    N b. plug the sounding pipes
    Y c. plug the scuppers
    N d. close the lids on the vents

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

999: You are loading 530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels. If you continue at the same rate, you will finish at __________.

    N a. 1322, 13 April
    N b. 1920, 13 April
    N c. 1120, 14 April
    Y d. 1305, 14 April

1010: When the longitudinal strength members of a vessel are continuous and closely spaced, the vessel is __________.

    N a. transversely framed
    Y b. longitudinally framed
    N c. intermittently framed
    N d. web framed

1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.

    Y a. a check valve will close and prevent reverse circulation
    N b. a centrifugal counterweight counteracts the force of gravity.
    N c. the electric pump motor will cut out
    N d. the control lever will move to the stop position

1046: In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, you should __________.

    Y a. use more right rudder
    N b. use more left rudder
    N c. increase speed
    N d. decrease speed

1089: The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a __________.

    Y a. crossover
    N b. runaround
    N c. come-along
    N d. manifold

1177: A "Mediterranean moor" should be used when __________.

    N a. when anchoring in the Mediterranean
    Y b. when docking stern to a berth
    N c. when docking bow to a berth
    N d. when anchoring in a strong current

1334: Close link chain of not less the 3/4" (or the wire rope equivalent) is required for lashing deck cargoes of timber. What size flexible wire rope would provide the strength equivalent to 3/4" chain, using a safety factor of 5?

    N a. 9/16"
    Y b. 1"
    N c. 1 1/4"
    N d. 1 3/8"

1354: A 6x19 wire rope would be __________.

    N a. 6 inches in diameter and 19 fathoms long
    N b. 6 inches in circumference with 19 strands
    Y c. 6 strands with 19 wires in each strand
    N d. 19 strands with 6 wires in each strand

1486: Which is NOT a part of an anchor?

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

1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.

    Y a. constructive total loss
    N b. salvage loss
    N c. actual loss
    N d. preferred loss

1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.

    N a. the same ratio
    N b. more chain for each fathom of depth
    Y c. less chain for each fathom of depth
    N d. two anchors with the same ratio of chain

1668: Your ship is steaming at night with the gyro-pilot engaged. You notice that the vessel's course is slowly changing to the right. Which action should you take FIRST?

    N a. Notify the engine room of the steering malfunction.
    Y b. Change to hand steering.
    N c. Call the Master.
    N d. Send the Quartermaster to the emergency steering station.

1732: Which picture in illustration D030DG represents a half hitch? (D030DG )

    Y a. U
    N b. S
    N c. K
    N d. H

1756: When anchoring a vessel, it is best to release the anchor when __________.

    N a. going full astern
    N b. going full ahead
    Y c. going slow astern
    N d. dead in the water

1773: What size block shell should be used with a 4-inch manila line?

    N a. 8"
    Y b. 12"
    N c. 16"
    N d. 24"

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%

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

2155: 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 if you assume 10% broken stowage? (D043DG )

    N a. 779 cubic feet (22 cubic meters)
    Y b. 857 cubic feet (24 cubic meters)
    N c. 1047 cubic feet (30 cubic meters)
    N d. 112,125 cubic feet (3173 cubic meters)

2156: You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure the helmsman __________.

    Y a. obeys the Master
    N b. obeys the Pilot
    N c. brings the rudder to a position midway between the two conflicting positions
    N d. asks the Pilot if he has relinquished control

2156: You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure the helmsman __________.

    Y a. obeys the Master
    N b. obeys the Pilot
    N c. brings the rudder to a position midway between the two conflicting positions
    N d. asks the Pilot if he has relinquished control

2190: What is the name of tackle number 3? (DO29DG )

    N a. 1-2 purchase
    N b. Gun tackle
    Y c. Single luff tackle
    N d. Double whip

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.

2598: Where, due to the arrangement of the vessel, lifejackets may become inaccessible, additional lifejackets shall be carried __________.

    N a. for the people on bridge watch
    N b. for the forward lifeboats
    Y c. as determined by the OCMI
    N d. for 50% of the crew of the vessel, not including those assigned to engineering duties

2600: A smooth, tapered pin, usually of wood, used to open up the strands of a rope for splicing is called a(n) __________.

    N a. batten
    N b. bench hook
    N c. awl
    Y d. fid

2624: The certificate of loading required by each vessel carrying grain in bulk is issued by the __________.

    N a. owner or charterer of the vessel
    N b. American Bureau of Shipping
    N c. shipper of the cargo
    Y d. National Cargo Bureau

2639: A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.

    Y a. filling completely
    N b. developing free surface
    N c. developing free surface moment
    N d. collapsing

2902: Which basic category of water level fluctuations on the Great Lakes is the most regular?

    Y a. Seasonal fluctuations
    N b. Outflow fluctuations
    N c. Short-term fluctuations
    N d. Long-term fluctuations

2909: A mechanical davit is designed to automatically __________.

    N a. position the boat at the embarkation station
    Y b. lift the boat off the inboard chocks
    N c. energize the winch for the falls
    N d. set the brake on the winch

2924: You are on a large vessel fitted with a right-handed controllable-pitch propeller set at maximum forward pitch. Which statement about reversing is TRUE?

    N a. When the pitch is reversed, the stern will slew to port even with headway.
    N b. The vessel will respond to the rudder until sternway is developed, then the stern will slew to starboard.
    Y c. There will probably be a loss of steering control.
    N d. The vessel will have full rudder control throughout the speed change from ahead to astern.

3028: The term "inland waters", as defined in the Rules of the Road, includes __________.

    N a. the Great Lakes in their entirety
    Y b. the Mississippi River System
    N c. U.S. waters out to three miles offshore
    N d. the St. Lawrence River to Anticosti Island

3036: Which statement about ships operating in ice is FALSE?

    N a. Light and partly loaded ships should be ballasted as deeply as possible.
    Y b. In brash-filled channels, operating with a shallow draft forward is most effective.
    N c. Traditionally, operating ships light in the ice has been effective in the spring.
    N d. Good searchlights should be available in the event of night navigation with or without icebreaker escort.

3114: Which item is rigged to transmit the thrust from one barge to another barge when going ahead? (D024DG )

    N a. I
    N b. H
    Y c. E
    N d. B

3152: The danger of a towing vessel tripping is increased the closer the towline is secured to __________.

    N a. the stern
    Y b. amidships
    N c. the bow
    N d. the quarter

3451: After inventorying the Naval Control of Shipping publications you find there is no copy of ATP-2, Volume II "Allied Control of Shipping Manual - Bridge Supplement". You should ask for a replacement from the __________.

    Y a. Maritime Administration
    N b. Coast Guard
    N c. Chief of Naval Operations
    N d. local Operational Control Authority

3544: Wire rope should be renewed when the __________.

    N a. outer wires are rusted
    Y b. outer wires are worn to half their original diameter
    N c. inner core appears dry
    N d. certification period expires

3726: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?

    N a. The angle of elevation does not change the stresses in the masthead fairlead for the topping lift.
    Y b. The stress on the head block is greater at 60°.
    N c. The stress on the heel block is greater at 60°.
    N d. The thrust on the boom is greater at 20°.

4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 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?

    Y a. 4 shots
    N b. 5 shots
    N c. 6 shots
    N d. 7 shots

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

4215: The electrical components for each single crane are installed in its __________.

    N a. crane house
    N b. machinery base
    N c. turntable
    Y d. All of the above

4229: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )

    N a. Boom assembly
    N b. Hook block assembly
    Y c. Rider block tagline system
    N 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