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.


5: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.


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


78: Which is an example of cargo damage caused by inherent vice?


131: You are onboard a 120 GT uninspected sea going tug which carries one Master and one mate of towing vessels, and four seamen when underway. How many of the four seamen must have a rating as able seamen if the voyage is under 600 miles?

    N a. 1
    Y b. 2
    N c. 3
    N d. 4

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

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

191: An alien crewmember with a D-1 permit leaves the vessel in a U.S. port and fails to return. The first report you make should be to the __________.

    N a. Customs Service
    Y b. Immigration Service
    N c. local police
    N d. OCMI

254: "Ease the rudder" means to __________.

    N a. move the rudder slowly in the direction of the most recent rudder command
    N b. bring the rudder amidships
    Y c. decrease the rudder angle
    N d. steer the course which is your present heading

361: The strictest load line regulations apply to __________.

    N a. gas carriers
    N b. freighters (break-bulk)
    Y c. passenger ships
    N d. tankers

383: What is TRUE of pressure/vacuum valves?

    N a. They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank.
    N b. They should operate in advance of the pressure/vacuum breakers.
    N c. They should be kept in good working order by regular inspection and cleaning.
    Y d. All of the above

474: On an anchor windlass, the wheel over which the anchor chain passes is called a __________.

    N a. brake compressor wheel
    N b. devil's claw
    Y c. wildcat
    N d. winchhead

478: The moisture equilibrium chart can be used to determine the __________.

    N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists
    Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity
    N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo
    N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo

486: You are backing on twin engines with rudders amidships. Your starboard engine stalls. To continue backing on course, you should __________.

    Y a. apply left rudder
    N b. apply right rudder
    N c. increase your engine speed
    N d. keep your rudder amidships

513: Wire rope is used in the towing industry __________.

    N a. for back up wires and main towing hawsers
    N b. for face wires or jockeys when pushing ahead
    N c. as stern wires when pushing ahead
    Y d. All of the above

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

647: Synchronous towing means that the __________.

    N a. tug is on the crest of a wave while the tow is in the trough
    N b. tug is in the trough while the tow is riding on the crest of a wave
    Y c. tug and tow are both in the same relative position on different waves at the same time
    N d. port and starboard engines on the tug are turning at the same RPM

763: A vessel that tows astern must have a/an ___________ .

    N a. towing winch
    Y b. method to easily release the towline
    N c. oxy-acetylene cutting torch
    N d. ax or knife mounted near the towing bitts

800: A Kort nozzle is a(n) __________.

    Y a. hollow tube surrounding the propeller used to improve thrust
    N b. nozzle attached to a firefighting hose
    N c. intake valve on a diesel engine
    N d. piston cylinder on a diesel engine

809: Which pump must always be primed?

    Y a. Centrifugal pump
    N b. Reciprocating pump
    N c. Rotary pump
    N d. All of the above

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

932: When bunkering at a dock which of the following signals must be displayed?

    N a. A yellow flag by day, red light by night
    Y b. A red flag by day, red light by night
    N c. A green flag by day, green light by night
    N d. A red flag by day, a blue light by night

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

1110: One function of a bulwark is to __________.

    Y a. help keep the deck dry
    N b. prevent stress concentrations on the stringer plate
    N c. protect against twisting forces exerted on the frame of the vessel
    N d. reinforce the side stringers

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

1242: You are a watchstanding mate and have come to the bridge to relieve the watch while underway at sea. The watch should not be transferred __________.

    N a. during an engine speed change
    Y b. during a navigational course change
    N c. unless the helm is in the "hand" mode
    N d. All of the above

1329: A pelican hook __________.

    Y a. can be released while under strain
    N b. is used for boat falls
    N c. is used for extra heavy loads
    N d. is used for light loads only

1475: As shown, the mooring line labeled "G" is called a(n) __________. (DO44DG )

    N a. forward spring line
    N b. offshore bow line
    N c. forward breast line
    Y d. inshore bow line

1549: On your vessel, a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom, what safety factor should you use?

    N a. Three
    Y b. Five
    N c. Six
    N d. Seven

1551: A majority of the crew requests a survey from the American Consul to determine a vessel's seaworthiness. The vessel is found unfit to continue her intended voyage. The Consul allows the vessel to sail to another port where deficiencies can be corrected. The crew must __________.

    N a. be discharged and given first class passage back to the original port of signing on in lieu of one month's wages
    N b. be discharged by the American Consul with additional one month's wages until repairs are made
    N c. be furnished employment on another vessel returning to the United States which is satisfactory to that crew
    Y d. comply with the judgment

1591: A complaint of unseaworthiness by a majority of crew members to the American Consul is found to be justified after a survey is completed. Who must pay the cost of the survey?

    N a. Crew members requesting the survey
    N b. American Consul
    Y c. Master
    N d. Vessel's owners

1607: Using a scope of 6, how much cable would have to be used in order to anchor in 24 feet of water?

    N a. 4 feet
    N b. 18 feet
    N c. 30 feet
    Y d. 144 feet

1632: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?

    Y a. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel.
    N b. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier.
    N c. A seaman is injured and in the hospital for four days.
    N d. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes.

1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.

    N a. dead in the water
    Y b. moving slowly astern over the ground
    N c. moving fast ahead over the ground
    N d. moving fast astern over the ground

1707: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. What precedence would you assign this message?

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

1719: What is a CORRECT reply to a pilot's request, "How's your head"?

    N a. "Steady"
    N b. "Eased to 10° rudder"
    N c. "Checked"
    Y d. "Passing 50°"

1734: Which knot reduces the strength of a line by the LEAST amount?

    N a. Bowline
    N b. Clove hitch
    N c. Sheet bend
    Y d. Two half hitches

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

1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.

    N a. constantly shifting the rudder
    N b. moving all passengers to one side of the boat
    Y c. rigging a sea anchor
    N d. moving all passengers to the stern

1843: The sheave diameter to be used with a 3-inch manila rope is __________.

    N a. 3 inches
    Y b. 6 inches
    N c. 9 inches
    N d. 12 inches

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

1959: A vessel is involved in a casualty. The cost of property damage includes the __________.

    N a. damage claims awarded to individuals or companies involved in the casualty, up to a maximum of $50,000
    N b. loss of revenue while the vessel is being repaired, up to a maximum of $50,000
    Y c. cost of labor and material to restore the vessel to the service condition which existed before the casualty
    N d. All of the above

2014: You are using tackle number 12, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 2. What is the mechanical advantage of this rig? (D029DG )

    N a. 9
    N b. 10
    Y c. 14
    N d. 21

2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.

    Y a. anchor may be dropped from the hawsepipe
    N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped
    N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered
    N d. scope should be less than 3 times the depth of the water

2127: The maneuver which will return your vessel to a person who has fallen overboard in the shortest time is __________.

    N a. a Williamson Turn
    N b. engine(s) crash astern, no turn
    Y c. a single turn with hard rudder
    N d. two 180° turns

2303: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?

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

2325: Which line cannot be spliced?

    N a. Braided line with a hollow core
    N b. Double-braided line
    Y c. Braided line with a solid core
    N d. Any line can be spliced

2325: Which line cannot be spliced?

    N a. Braided line with a hollow core
    N b. Double-braided line
    Y c. Braided line with a solid core
    N d. Any line can be spliced

2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?

    N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide.
    Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid.
    N c. All of these cargoes are compatible.
    N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide.

2540: In small craft terminology, all of the anchor gear between a boat and her anchor is called the __________.

    N a. stock
    N b. chock
    N c. scope
    Y d. rode

2702: How long is the standard container used to measure equivalent units?

    N a. 10 feet (3 meters)
    Y b. 20 feet (6 meters)
    N c. 35 feet (11 meters)
    N d. 40 feet (12 meters)

2906: You are planning to anchor in an area where several anchors have been lost due to fouling. As a precaution, you should __________.

    N a. anchor using both anchors
    N b. anchor with scope of 8 or more to 1
    N c. use a stern anchor
    Y d. fit a crown strap and work wire to the anchor

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.

3013: Which will NOT reduce yawing of a tow?

    N a. Increasing the length of the towing hawser
    Y b. Trimming the tow by the bow
    N c. Trimming the tow by the stern
    N d. Drogues put over the stern

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

3111: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?

    Y a. Insure that helm and throttle orders given by the Pilot are correctly executed.
    N b. Judge the appropriateness of the Pilot's orders and countermand them if necessary.
    N c. Supervise the signaling and flag etiquette.
    N d. Record the bells and their times in the bell book.

3327: The upward slope of a vessels bottom from the keel to the bilge is called __________.

    N a. camber
    N b. sheer
    N c. rake
    Y d. rise of bottom

3370: In astern towing, a tow span, also called the "tow bar" or "towing arch", is used to __________.

    N a. insure that the hawser leads directly aft as it passes over the stern of the towing vessel
    N b. increase the stability of the towing vessel by raising the hawser off the deck
    N c. reduce chafing of the towing hawser
    Y d. prevent fouling of the hawser on deck gear located on the stern of the towing vessel

3439: Horizontal fore or aft motion of a vessel is known as __________.

    N a. pitch
    Y b. surge
    N c. sway
    N d. roll

3514: Which type of anchor is depicted? (D038DG )

    N a. Stock
    N b. Danforth
    Y c. Patent
    N d. Old-fashioned

3632: 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?

    Y a. The thrust on the boom is greater at 60°.
    N b. The stress on the topping lift is greater at 60°.
    N c. The stress on the heel block is less at 20°.
    N d. The stress on the head block is less at 60°.

4123: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.

    N a. any force of gravity acting on the lashes
    N b. rolling
    N c. pitching
    Y d. All of the above