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.


55: You are in charge of a U.S. documented vessel. Under title 46 of the United States Code, if you fail to report a complaint of a sexual offense, you may be __________.


150: Protective clothing must be worn while sampling hazardous cargo on a tankship, and as a minimum includes __________.


206: In stopping distances of vessels, "head reach" can best be described as the __________.


230: 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
    Y b. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible
    N c. Coast Guard, only if the grounding results in a loss of life
    N d. Coast Guard, only if the grounding results in injury to personnel

300: On which form do you provide a written report of Marine Casualty to the nearest Coast Guard Marine Safety Office?

    N a. DD 214
    Y b. CG 2692
    N c. DOT 211
    N d. CG 5511

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.

312: If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.

    Y a. increase
    N b. decrease
    N c. stop
    N d. remain constant

398: Peck and Hale gear is used most commonly for securing __________.

    Y a. automobiles
    N b. baled cargo
    N c. large wooden crates
    N d. palletized cargo

423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?

    N a. None
    N b. 1
    Y c. 2
    N d. 3

431: Official proof of an American vessel's nationality is contained in the __________.

    N a. Certificate of Inspection
    N b. Official Log
    Y c. Certificate of Documentation
    N d. Shipping Articles

481: Which U.S. agency assigns an official number to a vessel?

    N a. American Bureau of Shipping
    N b. Collector of Customs
    N c. Treasury Department
    Y d. Coast Guard

578: When loading a container vessel, the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge, __________.

    N a. available dunnage, and chocking
    N b. crushability, and inherent vice
    N c. sweat, and weight
    Y d. weight, and refrigeration

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.

630: You are doing a Williamson turn. Your vessel has swung about 60° from the original course heading. You should __________.

    N a. put the rudder amidships and check the swing
    N b. stop the engines and prepare to maneuver to pick up the man in the water
    Y c. shift your rudder
    N d. increase to maximum speed

654: A rope made of a combination of wire and fiber is known as __________.

    N a. independent
    N b. lang lay
    N c. preformed
    Y d. spring lay

660: You receive word that a person has fallen overboard from the starboard side. You should FIRST __________.

    N a. notify the Master
    Y b. put the wheel hard right
    N c. put the engines full astern
    N d. sound the man overboard alarm

741: A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?

    N a. American Consul
    Y b. Classification Society
    N c. Captain of the Port
    N d. Officer in Charge, Marine Inspection

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

826: In order to reduce your wake in a narrow channel you should __________.

    N a. apply enough rudder to counter the effect of the current
    N b. change your course to a zigzag course
    Y c. reduce your speed
    N d. shift the weight to the stern

844: Using a safety factor of five, determine the safe working load of a line with a breaking strain of 20,000 pounds.

    Y a. 4,000
    N b. 5,000
    N c. 20,000
    N d. 100,000

864: During the manufacture of line, yarns are twisted together in the __________.

    Y a. opposite direction from which the fibers are twisted together to form strands
    N b. same direction the fibers are twisted to form strands
    N c. opposite direction from which the fibers are twisted together to form the line
    N d. opposite direction from which the fibers are twisted together forming cables

880: The projecting lugs of the rudderpost which furnish support to the rudder are called __________.

    N a. bases
    Y b. gudgeons
    N c. pintles
    N d. rudder lugs

894: When taking a length of new manila rope from the coil, you should __________.

    N a. mount the coil so it will turn like a spool and unreel from the outside
    N b. roll the coil along the deck and allow the rope to fall off the coil
    Y c. lay the coil on end with the inside end down, then pull the inside end up through the middle of the coil
    N d. lay the coil on end with the inside end up then unwind the rope from the outside of the coil

940: When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of __________.

    Y a. flashpoint
    N b. stability
    N c. trim
    N d. list

1151: The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is __________.

    Y a. ad valorem
    N b. infinite
    N c. secure
    N d. specific

1191: Which statement is TRUE about the use of a "gob rope"?

    N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead.
    Y b. The gob rope is used to secure the towline aft over the centerline of a tug..
    N c. The gob rope is a line hung over a vessel's side to assist in boarding.
    N d. The gob rope is a rope used in mooring a vessel to a buoy.

1210: To rigidly fasten together the peak frames, the stem, and the outside framing, a horizontal plate is fitted across the forepeak of a vessel. This plate is known as a(n) __________.

    N a. apron plate
    Y b. breasthook
    N c. intercostal plate
    N d. joiner

1321: Which type of carrier accepts without discrimination all legal cargoes of a shipper?

    Y a. Common
    N b. Industrial
    N c. Private
    N d. Tramp

1604: Which knot would serve best as a safety sling for a person working over the side?

    N a. Bowline on a bight
    Y b. French bowline
    N c. Jug sling
    N d. Lifting hitch

1702: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo?

    N a. Isoheptene
    N b. Phosphine
    N c. Furan
    Y d. Hexanols

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)

1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )

    N a. erection
    Y b. pillar
    N c. girder
    N d. deck support

1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 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. 57 lbs.
    N b. 42 lbs.
    N c. 39 lbs.
    Y d. 34 lbs.

1878: When being towed, a fairlead is a __________.

    Y a. fabricated shape used to change the direction of a flexible member of the tow hookup
    N b. fabricated shape used to secure the tow hookup to the towed vessel
    N c. line connecting the fishplate to the bridle legs
    N d. line connecting the tow bridle to the towed vessel

1889: The helm command "Nothing to the left" means do NOT __________.

    N a. use left rudder
    Y b. steer left of the ordered course
    N c. steer right of the ordered course
    N d. leave any buoys on the port side

1941: The helm command "Left twenty" means __________.

    N a. change course twenty degrees to the left
    Y b. put the rudder left twenty degrees
    N c. put the rudder hard left for the first twenty degrees of swing
    N d. put the rudder left twenty degrees and then ease back as the vessel starts swinging

1962: The maximum draft to which a vessel can legally be submerged is indicated by the __________.

    Y a. load line mark
    N b. Certificate of Inspection
    N c. Muster List ("Station Bill")
    N d. tonnage mark

2023: A mooring line leading at nearly right angles to the keel is a __________.

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

2084: A copy of the Articles of Agreement, less the signatures, is required to be posted. This document is called the __________.

    Y a. Fo'c'sle Card
    N b. Articles Copy
    N c. Voyage Agreement
    N d. Shipping Articles

2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.

    N a. continue ahead at slow speed
    N b. continue ahead at half speed
    N c. stop your engines
    Y d. back down on your engines

2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.

    N a. continue ahead at slow speed
    N b. continue ahead at half speed
    N c. stop your engines
    Y d. back down on your engines

2102: A seaman deserts the vessel in a foreign port. What should the Master do with any of the deserter's personal effects remaining on board?

    N a. Sell them at auction and deposit the money in the ship's morale or welfare fund.
    N b. Donate them to a local charity upon return to the United States.
    Y c. Transfer them to the appropriate district court of the U.S. at the end of the voyage.
    N d. Inventory them, make an appropriate entry in the Official Logbook and dispose of them at sea.

2112: What is NOT surveyed at an annual load line survey?

    N a. The overall structure and layout of the vessel for alterations to the superstructure
    Y b. The bilge pumping system
    N c. Main deck hatch covers
    N d. Portholes and deadlights in the side plating

2145: The fo'c'sle card __________.

    N a. is posted in the crews quarters and lists the emergency stations
    Y b. advises the crew of the conditions of employment
    N c. is also known as a Merchant Mariner's Document
    N d. designates the quarters a seaman will occupy during a voyage

2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )

    N a. 2
    N b. 4
    Y c. 5
    N d. 5.5

2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.

    N a. Load Line Certificate
    Y b. Certificate of Inspection
    N c. Safety of Life at Sea Certificate
    N d. operations manual

2560: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)

    N a. 101.02 numeral
    N b. 91.36 numeral
    N c. 72.43 numeral
    Y d. 52.79 numeral

2566: The welds used to join shell plates in flush construction are known as __________.

    Y a. butt welds
    N b. seam welds
    N c. fillet welds
    N d. continuous welds

2567: When relieving the helm, the new helmsman should know the __________.

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

2659: The shearing stresses on a ship's structure are usually greatest at __________.

    N a. the bow
    N b. the stern
    N c. midships
    Y d. the ship's quarter-length points

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

2784: Which of the Great Lakes generally has the shortest navigation season?

    N a. Lake Erie
    N b. Lake Huron
    N c. Lake Michigan
    Y d. Lake Superior

2933: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?

    N a. Stern breast line
    Y b. Bow spring line
    N c. Bow breast line
    N d. Inshore head line

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

3309: Catenary as applied to tow lines denotes the __________.

    Y a. dip of the line
    N b. stretch of the line
    N c. strain on the line
    N d. length of the line

4072: How should you signal the crane operator to stop in an emergency?

    N a. Extend arm with the palm down and hold this position rigidly.
    N b. Place clasped hands in front of your body.
    Y c. Extend arm and move hand rapidly right and left with the palm down.
    N d. Place both fists in front of the body with the thumbs pointing outward.

4118: Which factor(s) affect lashing requirements aboard Ro-Ro vessels?

    Y a. Ship’s characteristics and motion in a seaway
    N b. Trim of the vessel
    N c. Wide variations of air temperature
    N d. All of the above

4149: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

    N a. The securing of cargo on flats and trailers must be adequate to withstand road motions only.
    N b. The movements experienced by road borne cargo are the same as the movements of a ship at sea.
    Y c. The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction.
    N d. It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient.

4269: Which action(s) should the operator of a pedestal crane take if crane control is lost?

    N a. Let go of both control levers and return to neutral position.
    N b. Press the emergency stop.
    N c. Notify the mate on watch.
    Y d. All of the above

4391: A report of casualty to a vessel must include __________.

    N a. the estimated cost of damage
    N b. the amount of ballast on board
    Y c. the name of the owner or agent of the vessel
    N d. an evaluation of who was at fault