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.
16: When underway and proceeding ahead, as the speed increases, the pivot point tends to __________.
N a. move aft Y b. move forward N c. move lower N d. remain stationary 22: A wildcat is a __________.
Y a. deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain N b. winch that is running out of control due to a failure of the overspeed trips N c. line that has jumped off the gypsyhead while under strain N d. nylon line that parts under strain and whips back in a hazardous manner 31: An embarked Pilot __________.
Y a. is a specialist hired for his local navigational knowledge N b. is solely responsible for the safe navigation of the vessel N c. relieves the Master of his duties N d. relieves the officer of the watch 32: The explosive range of a fuel lies between the lower explosive limit and the __________.
N a. flash point N b. ignition temperature Y c. upper explosive limit N d. fire point 204: What does the helm command "shift the rudder" mean?
Y a. Put the rudder over to the opposite side, the same number of degrees it is now. N b. Put the rudder amidships and hold the heading steady as she goes. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 270: The disadvantage of using a heaving line to pass a towline is that __________.
N a. it increases the likelihood of collision between the towing vessel and the disabled vessel Y b. recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline N c. the monkey fist may injure someone N d. it may reduce the catenary and increase yawing 294: Displacement refers to the __________.
N a. cubic capacity of a vessel N b. deadweight carrying capacity of a vessel N c. gross tonnage of a vessel Y d. number of long tons of water displaced by a vessel afloat 375: The best line for towing small vessels is __________.
N a. three strand nylon Y b. double-braided nylon N c. polypropylene N d. manila 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 635: A report of casualty to a vessel must include __________.
Y a. the name of the owner or agent of the vessel N b. an evaluation of who was at fault N c. the amount of ballast on board N d. the estimated cost of damage 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 728: How many board feet of dunnage are in a draft 4 feet wide, 1-1/2 feet high and 13 feet long?
N a. 84 N b. 756 Y c. 936 N d. 1021 746: Which effect does speed through the water have on a vessel which is underway in shallow water?
N a. A decrease in the speed results in a decrease in steering response and maneuverability. Y b. An increase in speed results in the stern sucking down lower than the bow. N c. An increase in speed results in the vessel rising on an even plane. N d. A decrease in speed results in the vessel sucking down on an even plane. 983: When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?
Y a. Yaw N b. Roll N c. Pitch N d. Leeway 1005: Which device is designed to automatically hold the load if power should fail to an electric winch?
N a. Pneumatic brake Y b. Electromagnetic brake N c. Hand brake N d. Motor controller 1026: When making way in heavy seas you notice that your vessel's screw is being lifted clear of the water and racing. One way to correct this would be to __________.
N a. increase speed Y b. decrease speed N c. move more weight forward N d. shift the rudder back and forth several times 1048: You are the person in charge of a vessel involved in a marine casualty. You must notify the nearest Coast Guard Marine Inspection Office if the property damage is over __________.
N a. $1,500 N b. $10,000 Y c. $25,000 N d. $50,000 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 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 1305: What is an advantage of the 6X19 class of wire rope over the 6X37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better for towing N c. More resistance to elongation Y d. More resistance to corrosion 1312: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. stern line N b. forward spring line Y c. after spring line N d. waist breast line 1319: In relation to cargo gear, what does "SWL" mean?
Y a. Safe working load N b. Ship's working lift N c. Starboard wing lift N d. Stress, weight, load 1477: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo when the damage arises out of __________.
N a. delays due to seizure of the vessel N b. fire caused by fault of the carrier N c. strikes or lockouts Y d. improper stowage 1564: What is the main reason to slush a wire rope?
N a. Keep the wire soft and manageable Y b. Lubricate the inner wires and prevent wear N c. Prevent kinking N d. Prevent rotting 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 1605: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe Y d. about one-third of the vessel's length from the bow 1794: A "figure eight" knot is used to __________.
N a. be a stopper N b. shorten a line N c. join lines of equal size Y d. keep a line from passing through a sheave 1814: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. stern line N b. forward spring line N c. waist breast line Y d. after spring line 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. 1883: The most common method of securing a line to a cleat is a __________.
N a. half hitch, then round turns Y b. round turn, then figure eights N c. figure eight, then round turns N d. figure eight, then half hitches 1945: One of your crew members falls overboard from the starboard side. You should IMMEDIATELY __________.
N a. apply left rudder Y b. throw the crew member a life preserver N c. begin backing your engines N d. position your vessel to windward and begin recovery 2132: Which statement concerning dual-tonnage vessels is TRUE?
N a. The dual-tonnage mark is always marked above the load line marks. N b. The tonnages referred to are the displacement tonnage and gross tonnage. Y c. A single-deck vessel may not be assigned dual tonnages. N d. The dual-tonnage mark must never be submerged beyond the freshwater allowance. 2148: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
Y a. All crew members must have Merchant Mariner's Documents. N b. A licensed Chief Engineer is required. N c. Deck watches may be 6 and 6. N d. Able Seamen are not required in the deck crew. 2218: If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.
Y a. mold to develop on commodities N b. malfunction of the refrigeration equipment N c. contamination of the insulation in the space N d. All of the above 2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 34% N b. 47% N c. 76% N d. 79% 2278: You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true?
N a. Wooden covers must be laid over the bilge wells to prevent the sulfur from entering the bilges. Y b. Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations. N c. The major characteristic of this cargo is that it forms sulfuric acid upon contact with water. N d. Other hazardous material may not be stowed in the same hold as the sulfur but may be carried on deck above the hold. 2289: A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE?
Y a. The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles. N b. If the vessel was on coastwise articles, the record of discharge will be made in the Official Logbook. N c. An entry should be made in the book and a Certificate of Discharge issued to the seaman. N d. A Certificate of Discharge form should be attached to the book. 2392: Determine the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet.
Y a. 510.00 lbs. N b. 255.00 lbs. N c. 198.89 lbs. N d. 165.75 lbs. 2529: Which condition would NOT entitle a vessel to carry goods on deck?
N a. The shipper agrees to deck stowage Y b. The cargo will damage other cargoes by tainting or contamination N c. Deck stowage is required by law or regulation N d. Deck stowage is customary in the trade (i.e. timber cargoes) 2559: A vessel in Great Lakes service shall carry anchors in accordance with standards established by the __________.
Y a. American Bureau of Shipping N b. Canadian Coast Guard N c. U.S. Coast Guard N d. underwriter of the vessel 2888: The Coordinator Surface Search in a SAR situation should display by day __________.
Y a. the code flags FR N b. a black ball over a black diamond shape N c. code flag Quebec over a black ball N d. two black diamond shapes in a vertical line 2892: What is LEAST likely to be used to strip a cargo tank?
Y a. Centrifugal pump N b. Eductor N c. Rotary pump N d. Reciprocating pump 2900: Which statement about Naval Control of Shipping in wartime is TRUE?
Y a. It is mandatory in wartime. N b. It is mandatory in hazardous areas and voluntary in other areas. N c. It is mandatory only for vessels sailing in convoy. N d. It is mandatory for vessels bound foreign and voluntary for vessels in the coastwise trade. 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 3026: Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?
N a. Steam fog Y b. Advection fog N c. Radiation fog N d. Lake effect fog 3069: Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.
N a. require loading operations to be shut down until the atmosphere clears N b. are toxic to human life N c. are subject to spontaneous combustion Y d. may be explosive in some concentrations 3132: What may prevent a tug from tripping or capsizing when towing a large vessel?
N a. Surge lines Y b. Norman Pins N c. Under riders N d. Safety shackles 3250: You are 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 GG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. Y c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 3382: The signal man assisting the crane operator first taps his elbow with one hand and then proceeds to use regular signals. This is the signal to __________.
N a. use the main hoist N b. proceed slowly N c. increase speed Y d. use the whip line 3439: Horizontal fore or aft motion of a vessel is known as __________.
N a. pitch Y b. surge N c. sway N d. roll 3487: The opening in the deck that leads the anchor cable outside the hull is the __________.
Y a. hawsepipe N b. fall pipe N c. drop-pipe N d. spill pipe 3501: What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?
Y a. The integrity of the water tight boundaries N b. The capacity of the water sprinkler systems N c. The operation of the machinery space bilge level alarms N d. All of the above 4112: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. One engineer officer assigned to oversee the initial loading and lashing N b. Cargo lashings may be removed at sea for maintenance Y c. Periodic inspection and retensioning of lashings during the voyage N d. All of the above 4144: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever N b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Ratchet tensioner 4212: What is another name for the boom of a crane?
N a. Lift N b. Rider Y c. Jib N d. All of the above 4214: What does a jib refer to on a crane?
Y a. Boom N b. Topping lift N c. Control cab N d. Slewing control 4226: What does item "E" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
Y a. Tagline N b. Electric cable N c. Cargo snaking wire N d. Hook release cable 4263: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Lifting points on all equipment must be safely checked prior to commencing a lift. N b. Cargo loaded into vehicles and/or containers prior to lifting needs to be properly secured so as to prevent shifting during transport. N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs. Y d. All the above 4267: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
Y a. The discharge is slow due to the size of the cargo and all the cranes working together. N b. The cargo discharge can be accomplished with controlled pendulation. N c. The cargo discharge can be performed in port or at anchor. N d. The cranes enable the handling of heavy cargos without shoreside assistance.