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.
49: Flammable liquid means any liquid which gives off flammable vapors at or below __________.
N a. 40°F (4.4°C) Y b. 80°F (26.7°C) N c. 110°F (43.3°C) N d. 150°F (65.6°C) 83: The mooring line labeled "A" as shown is called a(n) __________. (D044DG )
Y a. offshore stern line N b. onshore stern line N c. after spring line N d. after breast line 93: A lookout can leave his station __________.
Y a. only when properly relieved N b. at the end of the watch N c. 15 minutes before the end of the watch N d. at any time 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 227: An ocean towing bridle should __________.
Y a. have equal legs of sufficient length N b. have a large angle between the legs N c. be formed on a bight of cable through a ring N d. never be made up of chain 265: Which statement is TRUE about hooks and shackles?
N a. Hooks are stronger than shackles of the same diameter. Y b. Shackles are stronger than hooks of the same diameter. N c. Hooks and shackles of the same diameter are of equal strength. N d. All the above may be true, depending on the hook's or shackle's overall length. 314: "Avast" means __________.
N a. let go N b. pull N c. slack off Y d. stop 372: Keeping the draft at or below the load line mark will insure that the vessel has adequate __________.
N a. ballast Y b. reserve buoyancy N c. displacement N d. rolling periods 407: You are carrying cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multiple-product tankship. Which of the following statements is TRUE?
Y a. Each of the cargoes must be segregated from the other by at least two barriers. N b. The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield. N c. Aluminum, copper, and zinc are prohibited in all valve parts in contact with these cargoes. N d. The required warning sign must have the legend "cancer hazard" added to it. 435: The amount of force a tug can exert on a stationary pull is called its __________.
N a. brake horsepower N b. indicated horsepower N c. shaft horsepower Y d. bollard pull 476: You are backing on twin engines with rudders amidships, when your port engine stalls. To continue backing on course, you should __________.
N a. apply left rudder Y b. apply right rudder N c. increase engine speed N d. keep your rudder amidships 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 657: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?
N a. Companions and booby hatches N b. Open structures Y c. Spaces for the exclusive use of the officers or crew N d. Water ballast spaces 783: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ___________ .
N a. evaluate the danger of each closing visual or radar contact N b. adjust speed with due regard for the weather and visibility Y c. reduce speed only where local speed limits are posted N d. enter all required test and inspection results in the vessel's log or other record carried on board 818: Your vessel has a deadweight capacity of 5000 tons and a cubic capacity of 300,000 cu. ft. You are to load lead, with a stowage factor of 18, and cotton, with a stowage factor of 80. If you load full and down, how much cotton should you load?
N a. 1613 tons N b. 2190 tons N c. 2810 tons Y d. 3387 tons 820: A partial deck in a hold is called a(n) __________.
N a. weather deck Y b. orlop deck N c. shelter deck N d. main deck 839: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. butterfly valve N b. spectacle valve Y c. check valve N d. globe valve 926: Usually the most gentle way of riding out a severe storm on a larger vessel is __________.
N a. head on at slow speeds N b. hove to Y c. running before the seas N d. to rig a sea anchor 977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?
N a. Abandon the towing vessel. N b. Radio for emergency assistance. Y c. Slip the towline and allow it to run off the drum. N d. Secure all watertight openings on the towing vessel. 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 1073: You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle __________.
N a. with the pin of the shackle riding on the stay Y b. with the pin of the shackle through the chair's bridle eye N c. with a hook attaching the chair to the riding shackle N d. connected to a second shackle on the chair 1122: Freeing ports on a vessel with solid bulwarks __________.
N a. prevent stress concentration in the bulwark N b. permit easy jettison of deck cargo in an emergency N c. provide openings through the bulwarks for mooring lines Y d. allow water shipped on deck to flow off rapidly 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1222: Who certifies the safe working load of cargo cranes on a vessel?
Y a. American Bureau of Shipping N b. National Cargo Bureau N c. U.S. Coast Guard N d. None of the above 1232: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. check that the wheel is firmly connected to the shaft N b. signal the engineroom to "Standby the Engines" N c. set the "Mode" switch to "Auto" and steer by auto-pilot Y d. switch to the other steering pump 1287: The term "shift the rudder" means __________.
Y a. change from right (left) to left (right) rudder an equal amount N b. use right or left rudder N c. check, but do not stop the vessel from swinging N d. put the rudder amidships 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 1354: A 6x19 wire rope would be __________.
N a. 6 inches in diameter and 19 fathoms long N b. 6 inches in circumference with 19 strands Y c. 6 strands with 19 wires in each strand N d. 19 strands with 6 wires in each strand 1501: Particular average is __________.
N a. the average distance steamed per day over the duration of the voyage N b. charges against all parties in a marine venture to pay for damages Y c. loss sustained by only one party N d. claimed after all liens against the vessel are settled 1512: 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. R (ROUTINE) N b. Z (FLASH) Y c. O (IMMEDIATE) N d. P (PRIORITY) 1533: What is the best splice for repairing a parted synthetic fiber mooring line?
N a. Liverpool splice N b. Locking long splice N c. Long splice Y d. Short splice 1538: Your vessel is being towed and you are using a tripping rope. A tripping rope of fiber or wire is used to __________.
N a. give added strength to the main tow hawser N b. retrieve the main tow hawser Y c. retrieve the outboard legs of the bridle where they are connected to the fishplate N d. open the pelican hook at the fishplate 1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
N a. full ahead Y b. full astern N c. half ahead N d. slow astern 1708: For the purpose of regulating tank vessels, flammable liquids are liquids which will __________.
Y a. give off flammable vapors at or below 80°F (27°C) N b. have a Reid vapor pressure of 18 pounds or more N c. give off flammable vapors only above 80°F (27°C) N d. sustain combustion at a temperature at or below 100°F (38°C) 1726: When attempting to free an anchor jammed in the hawsepipe, the simplest method of freeing it may be __________.
Y a. starting the disengaged windlass at high speed N b. rigging a bull rope to pull it out N c. to grease the hawsepipe N d. to pry it loose with a short piece of pipe 1739: If two falls are attached to lift a one-ton load, what angle between the falls will result in the stress on each fall being equal to the load being lifted?
N a. 60° N b. 75° Y c. 120° N d. 150° 1750: A grapnel is a __________.
N a. device for securing a chain topping lift N b. hook to prevent the anchor cable from slipping Y c. device used to drag for a submerged cable or line N d. type of clam bucket used for discharging bulk cargo 1753: To reeve a right-angle threefold purchase start with the __________.
N a. left sheave bottom block N b. left sheave top block Y c. middle sheave top block N d. right sheave bottom block 1841: If a tow sinks in shallow water, you should __________.
N a. release it immediately N b. attempt to beach it before it goes under Y c. pay out cable until it's on the bottom and place a buoy on the upper end N d. shorten cable to keep it off the bottom 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 2035: A seaman signed on articles on 16 January 1987 and signed off on 2 March 1987. How should you enter this under the Time of Service column in the articles?
N a. 1 Month 18 Days N b. 1 Month 16 Days N c. 2 Months Y d. 46 Days 2037: You are riding to a single anchor. The vessel is yawing excessively. Which action should be taken to reduce the yawing?
N a. Veer chain to the riding anchor N b. Heave to a shorter scope of chain on the riding anchor N c. Drop the second anchor at the extreme end of the yaw and veer the riding anchor Y d. Drop the second anchor at the extreme end of the yaw, then adjust the cables until the scope is equal 2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence. Y b. The CSS must be established by mutual agreement between the ships concerned. N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present. N d. The first vessel to arrive at the distress incident is designated as the CSS. 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. 2196: 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 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2229: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? (DO29DG )
Y a. 20 N b. 9 N c. 5 N d. 4 2261: The machinery associated with heaving in and running out anchor chain is the __________.
N a. winch Y b. windlass N c. draw works N d. dynamic pay out system 2322: Fittings used for towing must be __________.
N a. Coast Guard approved N b. stamped with maximum working loads Y c. securely fastened N d. positioned exactly at the bow of the towed vessel 2532: For a given weight of cargo, the stress on the heel block of a cargo boom __________.
N a. increases as the cargo closes the head while hoisting N b. increases if the cargo runner is doubled up Y c. decreases as the boom is topped to a greater angle N d. is determined by the thrust stresses on the boom 2572: A tug would NOT assist a ship to steer if the tug is made up to the large vessel __________.
N a. by a tow line ahead of the vessel N b. forward on either bow of the vessel Y c. approximately amidships of the vessel N d. on the vessel's quarter 2652: You are using the anchor to steady the bow while maneuvering. You have the proper scope of anchor cable when the __________.
Y a. bow is held in position with the engines coming slowly ahead N b. anchor is just touching the bottom N c. scope is not more than 5 times the depth of the water N d. cable enters the water at an angle between 60° and 85° from the horizontal 2860: How are riveted lap joints made watertight?
N a. The faying surfaces are coated with white lead (or similar product) before the rivets are set. N b. A sealing weld bead of 1/8" or less pitch is run along the plate edge. Y c. The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate. N d. A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets. 2920: You are on a large vessel fitted with a right-handed controllable-pitch propeller. When making large speed changes while decreasing pitch, which statement is TRUE?
N a. You will probably have full directional control throughout the speed change. Y b. You may lose rudder control until the ship's speed has dropped to correspond to propeller speed. N c. The stern will immediately slew to starboard due to unbalanced forces acting on the propeller. N d. The stern will immediately slew to port due to unbalanced forces acting on the propeller. 2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".
N a. I am altering my course to starboard N b. I am altering my course to port Y c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water 3096: When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to __________.
N a. provide the proper trim N b. prevent negative stability from developing Y c. prevent excessive longitudinal stresses N d. control list 3490: A device used to tighten up remaining slack in wire rope when you are making up to a tow in inland waters is a __________.
N a. tripping line N b. tripping bracket N c. norman pin Y d. steamboat ratchet 3584: The tripping palm is indicated by which letter? (D038DG )
N a. F Y b. G N c. H N d. J 4011: Under defense plans, operation of electronic aids may be temporarily suspended with __________.
N a. thirty (30) day's notice N b. a week's notice N c. one day's notice Y d. no notice 4107: Which of the following are considered to be "road vehicles" that can be carried on Ro-Ro vessels?
Y a. Semi-trailer N b. Train N c. Articulated train N d. All of the above 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N d. All of the above