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.


74: The best information on the location of the blocks when dry docking a vessel is contained in the __________.


132: What is a characteristic of all centrifugal cargo pumps?


241: If there are any changes in the crew in a foreign port, the changes will be made by __________.


243: A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?

    N a. Length of the towline
    Y b. Height of the towline connection
    N c. Longitudinal position of the towline connection
    N d. Direction of opposing force

290: What is NOT a form used by ice support services to disseminate information?

    N a. Ice Analyses
    N b. Ice Forecasts
    N c. Ice Outlooks
    Y d. Ice Bulletins

302: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?

    N a. You must have two toxic vapor detectors or the pumproom must meet special requirements.
    N b. Each crew member must be provided with an emergency escape breathing apparatus.
    Y c. A person taking cargo samples must wear protective clothing.
    N d. If you are carrying propionic acid also, the venting systems must be segregated.

341: The Certificate of Freeboard is the __________.

    Y a. Load Line Certificate
    N b. Certificate of Inspection
    N c. Admeasurer's Certificate
    N d. Forecastle Card

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

483: A fiber towing hawser is readied for service by __________.

    N a. spooling it on a winch cathead
    N b. coiling it in a counterclockwise direction on the fantail
    Y c. faking it on deck in a fore and aft direction
    N d. spooling it on a reel lying on its side to prevent rolling

488: Which data can NOT be found on a moisture equilibrium chart?

    N a. Dry bulb temperature
    N b. Moisture content
    N c. Vapor pressure
    Y d. Wet bulb temperature

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

713: How do the height and location of a tug's towing bitts relate to the danger of tripping?

    Y a. The further forward and closer to amidships the more readily the tug will trip.
    N b. Placement further aft permits more effective pulling, better steering and eliminates the danger of tripping.
    N c. Installing the bitts down low lowers the center of gravity.
    N d. The height and position of towing bitts has no significance.

734: What is the computed breaking strength of a 4-inch manila line?

    N a. 5,280 lbs.
    N b. 7,700 lbs.
    N c. 12,200 lbs.
    Y d. 14,400 lbs.

768: A cargo of canned foodstuff is packed in cartons. Each carton is 36 cubic feet and weighs 340 pounds. The stowage factor of the cargo is __________.

    N a. 9.5
    N b. 62
    N c. 212
    Y d. 237

814: In the manufacture of line, plant fibers are twisted together to form __________.

    N a. cable
    N b. line
    N c. strands
    Y d. yarns

871: In writing up the logbook at the end of your watch, you make an error in writing an entry. What is the proper means of correcting this error?

    Y a. Cross out the error with a single line, and write the correct entry, then initial it.
    N b. Carefully and neatly erase the entry and rewrite it correctly.
    N c. Remove this page of the log book, and rewrite all entries on a clean page.
    N d. Blot out the error completely and rewrite the entry correctly.

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

955: In which case is the IOPP Certificate of an inspected vessel NOT invalidated?

    Y a. The required oily-water separator malfunctions.
    N b. The ship is transferred to Liberian registry.
    N c. An annual survey is conducted fifteen months after the date of certificate issuance.
    N d. A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator.

1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.

    N a. 1752, 8 July
    N b. 1940, 8 July
    N c. 0143, 9 July
    Y d. 1727, 9 July

1069: Which step is NOT generally taken when gas-freeing a tank?

    N a. Washing the tank interior with sea water
    Y b. Application of degreasing solvents
    N c. Removal of corrosion products and sludge
    N d. Fresh air ventilation

1120: A stage should only be rigged __________.

    N a. over the bow or stern of a vessel
    N b. over the flat sides of a vessel
    Y c. over the open water
    N d. over the dockside

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

1154: Which line would be least likely to kink?

    Y a. Braided
    N b. Left-handed laid
    N c. Right-handed laid
    N d. Straight laid

1166: You are 15 feet off a pier and docking a vessel using only a bow and stern breast line. Once the slack is out of both lines you begin to haul in on the bow breast line. What is the effect on the vessel?

    N a. The bow will come in and the stern will go out.
    N b. The whole ship moves toward the pier.
    Y c. The bow will come in and the stern will remain the same distance off the pier.
    N d. The stern will come in and the bow will remain the same distance off the pier.

1245: While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards, the lookout may be __________.

    N a. the helmsman
    Y b. the mate on watch
    N c. Either A or B
    N d. Neither A nor B

1271: The citizenship of a crew member of a vessel in a U.S. port is determined solely by the __________.

    N a. Customs Officer
    Y b. Immigration Officer
    N c. Coast Guard
    N d. Union Official

1344: When working with wire rope, which must be considered?

    N a. Metal sheaves should be lined with wood or leather.
    Y b. It needs better care than hemp or manila.
    N c. It should be lubricated annually.
    N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope.

1364: Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope?

    N a. Babbitt
    N b. Bronze
    N c. Lead
    Y d. Zinc

1448: Nylon line is better suited than manila for __________.

    N a. towing alongside
    Y b. towing astern
    N c. holding knots and splices
    N d. resisting damage from chemicals

1544: The main function of the core of a wire rope is to __________.

    N a. give flexibility
    Y b. support the strands laid around it
    N c. allow some circulation around the strands
    N d. allow lubrication inside the rope

1558: When making up a tow connection, you should use __________.

    N a. safety hooks
    N b. plain eye hooks
    N c. round pin shackles
    Y d. screw pin shackles

1630: The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the __________.

    N a. garboard strake
    N b. limber strake
    N c. sheer strake
    Y d. stringer strake

1662: Under defense plans, operation of electronic aids to navigation may be temporarily suspended with __________.

    N a. one day's notice
    N b. thirty (30) days notice
    Y c. no notice
    N d. a week's notice

1678: Grade D combustible liquids have a maximum flash point of __________.

    N a. 109°F
    N b. 100°F
    Y c. 149°F
    N d. 80°F

1818: When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?

    N a. If one engine fails, you do not lose control of the tow.
    N b. It is more maneuverable.
    Y c. It develops more bollard pull for the same horsepower.
    N d. It is generally subject to more propeller damage from debris in the water.

1895: The knot lettered Q as shown is a __________. (DO30DG )

    N a. square knot
    N b. clove hitch
    Y c. bowline
    N d. round knot

1923: Disregarding friction, a twofold purchase when rove to disadvantage has a mechanical advantage of __________.

    N a. 2
    N b. 3
    Y c. 4
    N d. 5

1951: A case received for shipment is marked as shown. The portion of the symbol indicated by the letter A is _______ . (D043DG )

    Y a. a stowage sequence marking
    N b. the consignee's marking
    N c. a stowage mark, showing the top of the case
    N d. the symbol for toxic contents

2133: The S.S. Hollowpoint has a charter party in which the charterer assumes no responsibility for the operation of the vessel but pays stevedoring expenses. What is the name of the charter party?

    N a. Bareboat
    N b. Dispatch
    Y c. Voyage
    N d. Demise

2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )

    N a. E
    Y b. F
    N c. N
    N d. P

2249: Which knot should be used to secure a line to a spar when the pull is parallel to the spar? (DO30DG )

    N a. G
    N b. F
    Y c. P
    N d. Q

2520: When a line is spirally coiled about its end and lying flat on deck, it is said to be __________.

    N a. coiled
    N b. faked
    Y c. flemished
    N d. seized

2591: A tow astern is veering from side to side on its towline. The best way of controlling the action is to __________.

    N a. trim the tow by the bow
    Y b. trim the tow by the stern
    N c. list the tow to windward
    N d. adjust the length of the towing bridle

2626: The "grip" of a joint represents the __________.

    Y a. thickness of the connected members
    N b. diameter of the head
    N c. entire length of the rivet
    N d. diameter of the shank

2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?

    Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases.
    N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien.
    N c. Damage caused by riot of the population of a port.
    N d. Losses caused by fines from polluting the harbor after malfunction of a piping system.

2760: When the wave period and the apparent rolling period are the same __________.

    Y a. synchronous rolling occurs
    N b. roll period decreases
    N c. roll period increases
    N d. roll amplitude is dampened

2798: The primary purpose of the stud is to prevent the anchor chain from __________.

    Y a. kinking
    N b. distorting
    N c. elongating
    N d. breaking

3031: Before a Master relieves a Pilot of the conn, the __________.

    N a. vessel must be in extremis
    N b. Master must request the Pilot to take corrective action
    N c. Master should release the Pilot from all liability
    Y d. Master should foresee any danger to the vessel on the present course

3050: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?

    N a. Precise control over cargo flow
    Y b. Quick operation
    N c. No resistance to cargo flow when open
    N d. Less maintenance required

3200: A license issued by the U.S. Coast Guard for apprentice mate (steersman) of Uninspected Towing Vessels is valid for __________.

    N a. 2 years and must be renewed
    N b. 3 years and must be renewed
    Y c. 5 years and must be renewed
    N d. None of the above

3449: What term indicates an inward curvature of the ship's hull above the waterline?

    N a. Camber
    Y b. Tumble home
    N c. Deadrise
    N d. Flare

3476: The strongest method of forming an eye in wire rope is using __________.

    N a. three wire rope clamps
    N b. an eye splice with four or five tucks
    N c. a thimble fastened with four or five tucks
    Y d. a wire rope socket attached with zinc

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

3570: As look-out, you spot an object 45° off your port bow. You should report the object as __________.

    Y a. broad on the port bow
    N b. 3 points on the port bow
    N c. 3 points forward of the port beam
    N d. on the port beam

3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in 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 stress on the topping lift is greater at 60°.
    N b. The thrust on the boom is greater at 20°.
    N c. The stress on the heel block is less at 20°.
    Y d. The stress on the masthead fairlead for the topping lift is greater at 20°.

4054: "Hanging a barge off" means to __________.

    Y a. moor a damaged barge to the bank and leave
    N b. remove and deliver a loaded barge from a multiple tow
    N c. remove a barge while locking through
    N d. tow an empty barge astern

4250: Which action(s) is/are included in crane operations?

    N a. Pre-operation checks and start-up
    N b. Removing booms from stowage
    N c. Luff, slew, and hoist operations
    Y d. All of the above

4250: Which action(s) is/are included in crane operations?

    N a. Pre-operation checks and start-up
    N b. Removing booms from stowage
    N c. Luff, slew, and hoist operations
    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

4443: You are signing on a deck officer, who will be designated as one of the GMDSS operators, before sailing foreign. Which statement is TRUE?

    Y a. He/she must have an STCW certificate endorsed as "Valid for Service on Vessels Operating in the GMDSS System".
    N b. He/she must present either an FCC-issued license or a Coast Guard-issued license.
    N c. You must consult the "List of Qualifications" on the reverse of his/her FCC-issued license.
    N d. His/her Merchant Mariners Document must have an added endorsement as "Radio Electronics Officer".