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.


36: The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as __________.


54: Your vessel has grounded on a bar. What should you do?


58: Odorous cargoes are those that __________.


100: Which statement is ALWAYS true?

    Y a. Keep clear of any line that is under a strain.
    N b. A line will creak, make snapping sounds, and smoke before it parts.
    N c. Only synthetic lines will snap back after parting.
    N d. Stepping on the bight of a line is safer than stepping in the bight of a line.

180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?

    N a. 0°C to 100°C
    N b. -10°C to 90°C
    Y c. -18°C to 46°C
    N d. -40°C to 50°C

220: The best method to secure a towline to bitts is to __________.

    N a. take a round turn on the bitt farthest from the pull and use figure-eights
    Y b. take a round turn on the bitt closest to the pull and use figure-eights
    N c. use figure-eights and take a round turn at the top of the bitts
    N d. use only figure-eights

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

357: What does the proof test load of an anchor chain demonstrate?

    N a. Breaking strength of the chain
    Y b. Strength of the chain to a specified limit
    N c. Adequate holding power for new bottom conditions
    N d. Safe working load of the chain

430: On a manned vessel carrying packaged hazardous cargo, the hazardous materials shall be inspected __________.

    N a. every 24 hours unless equipped with a fire detecting system
    N b. prior to entry into a U.S. port
    N c. after stowage is complete
    Y d. All of the above

468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.

    N a. air temperature is higher than the temperature of the cargo
    N b. air temperature is lower than the temperature of the cargo
    Y c. dew point is higher than the temperature of the cargo
    N d. dew point is lower than the temperature of the cargo

588: Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.

    N a. contents of the container
    Y b. list of the vessel
    N c. size of the shoreside crane
    N d. weight of the container

592: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.

    Y a. "Right 15 degrees rudder"
    N b. "Aye Aye Sir"
    N c. "Rudder is right 15 degrees"
    N d. No reply is necessary, just carry out the order.

602: Which emergency equipment should you keep near the towing bitts?

    N a. A self-contained breathing apparatus (SCBA)
    N b. A boat hook and a spanner wrench
    Y c. A fire ax and/or cutting torch
    N d. A Stokes litter basket

684: Right-laid line should be coiled __________.

    Y a. clockwise
    N b. counterclockwise
    N c. either clockwise or counterclockwise
    N d. on a reel

733: Before leaving port on an ocean tow, a tug captain should assure himself of all the following EXCEPT __________.

    N a. the towing hawser can be released quickly in an emergency
    N b. the correct navigation lights are rigged and operable on the tug and tow
    Y c. an insurance underwriter has prepared a pre-sailing survey
    N d. a pick-up wire has been rigged on the tow in case of a breakaway.

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

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

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

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

935: The scuppers had been plugged as required at the time an oil spill occurs on deck. After shutting down the transfer, the engineroom should first be informed and then __________.

    N a. rig a fire hose and call for water on deck
    Y b. spread an absorbent material, such as sawdust
    N c. remove the plugs from the scuppers
    N d. sound the general alarm

1014: In order to detect rot in manila lines, you should __________.

    N a. feel the surface of the line for broken fibers
    N b. measure the reduction in circumference of the line
    N c. observe any mildew on the outer surface
    Y d. open the strands and examine the inner fibers

1056: In which situation could a vessel most easily capsize?

    N a. Running into head seas
    Y b. Running in the trough
    N c. Running with following seas
    N d. Anchored with your bow into the seas

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

1104: Nylon line can be dangerous because it __________.

    N a. breaks down when wet
    N b. kinks when wet
    N c. is not elastic
    Y d. stretches

1114: What type of stopper would you use on a nylon mooring line?

    N a. Chain
    Y b. Nylon
    N c. Manila
    N d. Wire

1175: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way?

    N a. The ship's Doppler log reads zero
    Y b. The backwash of the propeller reaches amidships
    N c. An azimuth bearing on the beam remains steady
    N d. All of the above

1213: What minimum size manila line is required to hold a weight of 932 pounds, if you use a safety factor of six?

    N a. 2.0"
    Y b. 2.5"
    N c. 3.0"
    N d. 3.5"

1331: The S.S. Microwave has been chartered to the Longline Steamship Company. The Longline Steamship Company agrees to pay all expenses and employ and pay the crew. Which type of contract is involved?

    Y a. Bareboat Charter Party
    N b. Lease Charter Party
    N c. Time Charter Party
    N d. Voyage Charter Party

1341: The owners of the S.S. Short Haul agree to a charter with the Longsplice Steamship Company. The owners stipulate in the charter party that the regular Master must be employed as the vessel's Master for the entire life of the contract. Which charter has been affected?

    N a. Bareboat
    N b. Lease
    Y c. Time
    N d. Voyage

1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.

    N a. collar band
    N b. guy band
    N c. pad eye collar
    Y d. spider band

1400: The half-breadth plan is __________.

    N a. an endwise view of the ship's molded form
    N b. a plan with the forebody to right of centerline and afterbody to the left of centerline
    N c. a longitudinal side elevation
    Y d. usually drawn for the port side only

1435: Which letter shown represents a clove hitch? (DO30DG )

    Y a. X
    N b. U
    N c. T
    N d. R

1446: The marking on an anchor chain for 30 fathoms is __________.

    Y a. two links on each side of the 30 fathom detachable link are painted white
    N b. one link on each side of the 30 fathom detachable link is painted white
    N c. three links on each side of the 30 fathom detachable link are painted white
    N d. only the detachable link is painted red

1505: The supplement to the IOPP Certificate contains what type of data?

    N a. The grades of cargo that an oil tanker is permitted to carry.
    Y b. A checklist of the equipment installed for controlling the discharge of oil.
    N c. The trade routes upon which the vessel may operate.
    N d. A list of the underwriters who will assume financial responsibility in the event of an oil spill.

1590: A thirty pound plate would be __________.

    N a. 3/8" thick
    N b. 1/2" thick
    Y c. 3/4" thick
    N d. 1" thick

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.

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

1690: Molded depth is measured from the __________.

    Y a. inside of the shell
    N b. outside of the shell
    N c. top of the center vertical keel
    N d. top of the garboard stake

1741: The load line regulations are administered by the __________.

    Y a. U.S. Coast Guard
    N b. Maritime Administration
    N c. Lloyd's Register of Shipping
    N d. National Cargo Bureau

1742: You should conduct a sector search under which of the following circumstances?

    Y a. The search target is sighted and then lost.
    N b. More than one vessel is available for a search.
    N c. The search object is a target that will be readily detected by radar.
    N d. An aircraft is available to assist a surface vessel.

1752: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2199 on it. This indicates that it is carrying what cargo?

    N a. Furan
    Y b. Phosphine
    N c. Adiponitrile
    N d. Xylenol

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

1774: Which knot is used to attach two different sized lines together?

    N a. Granny knot
    Y b. Sheet bend
    N c. Square knot
    N d. Thief knot

1808: Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo?

    N a. U.S. Customs Service
    N b. OSHA
    Y c. American Bureau of Shipping
    N d. National Cargo Bureau

2003: Chafing gear is used to __________.

    N a. anchor the boat
    N b. pick up heavy loads
    Y c. protect fiber rope from abrasion
    N d. strengthen mooring lines

2187: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 5. What is the mechanical advantage of this rig? (DO29DG )

    Y a. 25
    N b. 20
    N c. 15
    N d. 10

2198: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the transfer for a turn of 90°? (D034DG )

    N a. 355 yards
    Y b. 380 yards
    N c. 410 yards
    N d. 455 yards

2221: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. What is the mechanical advantage of this rig? (DO29DG )

    N a. 20
    Y b. 15
    N c. 10
    N d. 5

2494: The major components which determine the length of a catenary in a deployed anchor cable are water depth, cable weight, and __________.

    Y a. cable tension
    N b. water temperature
    N c. bottom conditions
    N d. water density

2690: When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?

    N a. Once a day
    N b. At the change of every watch
    N c. Only when in fresh or brackish water
    Y d. Prior to getting underway

2694: When relieving the helm, the new helmsman should know the __________.

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

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

2980: What is a step in attaching a poured metal socket to a wire rope?

    Y a. Etch the wire with acid.
    N b. Install a wire seizing on the wire that will be inside the socket.
    N c. Ensure the fiber core is well lubricated.
    N d. Pour molten babbitt metal into the socket.

3047: When backing down with sternway, the pivot point of a vessel is __________.

    Y a. about one-quarter of the vessel's length from the stern
    N b. at the bow
    N c. about one-third of the vessel's length from the bow
    N d. aft of the propellers

3072: A Great Lakes bulk ore vessel would use an "Iron Deckhand" to assist in __________.

    N a. unloading bulk cargo
    N b. steering the vessel
    N c. making the vessel fast to a dock
    Y d. removing hatch covers

3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.

    Y a. benzene
    N b. tar
    N c. middle oil
    N d. toluene

3145: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?

    N a. If the buoy is afloat, no action is necessary.
    N b. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office.
    N c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692.
    Y d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary.

3170: A license for apprentice mate (steersman) of uninspected towing vessels shall be renewed within what time period before or after the expiration date?

    N a. 30 days
    N b. 90 days
    N c. 6 months
    Y d. 12 months

4020: You are on a tankship discharging oil. When all of the oil that the main cargo pumps can handle is pumped out of a tank, the remainder is __________.

    N a. stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps
    Y b. stripped to one tank and then pumped out with the main pumps
    N c. stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps
    N d. gravitated to the centers from the wings and pumped out with the main pumps

4058: Your vessel is equipped with mechanical davits. When stowing the lifeboat after a drill while underway, you should __________.

    N a. leave the tricing pendants slack
    Y b. ensure the falls are taut
    N c. leave the outboard part of the cradle in the down position
    N d. secure the inboard gripes only

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.