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.
25: The turning circle of a vessel making a turn over 360 degrees is the path followed by the __________.
Y a. center of gravity N b. bow N c. bridge N d. centerline 82: Floors aboard ship are __________.
N a. also called decks Y b. vertical transverse plates connecting the vertical keel with the margin plates N c. large beams fitted in various parts of the vessel for additional strength N d. found in passenger and berthing spaces only 178: Which can be prevented only by segregating two lots of cargo into separate holds?
N a. Contamination of dry cargo by a wet cargo N b. Contamination of a clean cargo by a dirty cargo Y c. Contamination of a food cargo by an odorous cargo N d. Overcarriage, overstowage, and short landing 186: The pivoting point of a vessel going ahead is __________.
N a. at the hawsepipe Y b. about one-third of the vessel's length from the bow N c. about two-thirds of the vessel's length from the bow N d. near the stern 245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.
N a. swivel N b. lizard N c. spider band Y d. gooseneck 303: What requires a Report of Marine Accident, Injury or Death?
N a. Collision with a bridge N b. Injury beyond first aid N c. loss of life Y d. All of the above 323: You are transporting dangerous cargo on your vessel. The regulations require you to __________.
Y a. periodically inspect it and make an entry in a log N b. keep a warning sign posted nearby N c. keep a fire hose run out and ready for use if needed N d. allow no chipping or painting in the vicinity of the cargo 324: A "chock" is a __________.
N a. deck fitting used to secure mooring lines Y b. casting fitted at the side of a weather deck, used as a fairlead N c. sharp block of wood used to support hygroscopic cargo N d. smoke pipe for the galley stove 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 391: A tonnage tax is levied according to the __________.
N a. deadweight cargo tonnage aboard N b. displacement tonnage of vessel N c. gross tonnage of vessel Y d. net tonnage of vessel 454: A rope ladder with wooden rungs is a __________.
N a. drop ladder N b. life ladder Y c. Jacob's ladder N d. jury ladder 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 470: A fiber towing hawser should be stowed __________.
Y a. in an enclosed rope locker with adequate air circulation N b. by spooling it on the winch N c. by coiling it on deck N d. by hanging it in the engineroom 552: Which type of bridle is the most effective for a heavy ocean tow?
N a. Nylon because of its strength N b. Polypropylene because it floats and is easier to handle Y c. Stud link anchor chain for chafe resistance and strength N d. Wire rope for flexibility and strength 572: A vessel is entering port "A" for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y d. Recommend an alternative action and if not followed relieve the Pilot. A dark appearance of the sky: A yellowish glare in the sky
Y a. The presence of seals or certain type birds N b. N c. N d. 700: A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the __________.
N a. steamer will drift stern downwind N b. tug will drift faster than the steamer N c. tug should approach stern to Y d. tug should approach from downwind 709: The designations A,B,C,D, and E grades of cargo refer to the __________.
N a. degrees of quality of petroleum products Y b. flash point range and Reid vapor pressure index of petroleum products N c. grades of crude oil N d. pour point, color, and viscosity index of petroleum products 813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .
N a. offshore supply vessel over 200 gross tons N b. passenger vessel of 295 gross tons Y c. uninspected towing vessel of less than 200 gross tons N d. inspected towing vessel of 305 gross tons 916: A condition where two currents meet at the downstream end of a middle bar can be determined by a __________.
N a. small whirlpool N b. smooth patch of water Y c. V-shaped ripple with the point of the V pointing downstream N d. V-shaped ripple with the point of the V pointing upstream 994: Manila lines in which the strands are right-hand laid __________.
Y a. should be coiled in a clockwise direction N b. should be coiled in a counterclockwise direction N c. may be coiled either clockwise or counterclockwise N d. should never be coiled 1044: Using a safety factor of 6, determine the safe working load of a line with a breaking strain of 30,000 pounds.
N a. 4,000 lbs. Y b. 5,000 lbs. N c. 20,000 lbs. N d. 100,000 lbs. 1093: When rigging a bosun's chair, a tail block or lizard is used to __________.
N a. guide the bosun's chair down a stay when applying a protective coating N b. run paint or tools up to a sailor in a chair with a heaving line N c. keep a bosun's chair from swinging with the ship's motion Y d. reeve the gantline through 1127: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Chief Engineer N b. the person about whom the entry concerns Y c. one other crew member N d. No other signature is required. 1355: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 6 OKTAs concentration?
N a. 6% N b. 50% N c. 60% Y d. 75% 1455: Which letter represents a bowline on a bight? (DO30DG )
N a. H Y b. I N c. M N d. W 1486: Which is NOT a part of an anchor?
N a. Bill Y b. Devil's claw N c. Palm N d. Crown 1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.
Y a. constructive total loss N b. salvage loss N c. actual loss N d. preferred loss 1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.
Y a. constructive total loss N b. salvage loss N c. actual loss N d. preferred loss 1517: Which picture represents a timber hitch? (DO30DG )
Y a. E N b. F N c. N N d. U 1670: The term "strake" is used in reference to __________.
N a. rudder mountings N b. anchor gear Y c. hull plating N d. vessel framing 1675: What is the name of the mark indicated by the letter D? (D003DG )
Y a. Tropical load line N b. Summer load line N c. Fresh load line N d. Winter load line 1693: What is the stress on the hauling part when lifting a 4900 lbs. weight using a twofold purchase rove to least advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 980 lbs. N b. 1225 lbs. Y c. 1715 lbs. N d. 1837 lbs. 1712: You are to load styrene in bulk, which is subject to self-polymerization. You must __________.
N a. not carry any cargo in the tanks surrounding the tank loaded with styrene N b. inject nitrogen to pad any ullage above the styrene to prevent contact with oxygen Y c. be furnished with a Certificate of Inhibition to be maintained on the bridge N d. use heating coils to maintain the styrene within the temperatures specified by the shipper 1929: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 10 feet?
N a. 22.44 T N b. 11.22 T N c. 7.48 T Y d. 5.61 T 1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
Y a. 1 to 6 hours N b. 30 minutes to 1 hour N c. 3 hours to start of business the following day N d. 10 minutes if possible 2068: You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow, you should __________.
N a. reduce the draft of the barge Y b. shorten one leg of the bridle N c. place bulky deck loads as far aft as possible N d. trim the barge down by the bow 2137: The securing systems for containers were developed to prevent container movement during which ship motion?
N a. Surge Y b. Roll N c. Sway N d. Yaw 2347: What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?
N a. Fiber core rope offers greater strength. Y b. Fiber core rope offers greater flexibility. N c. Fiber core rope can be used at higher operating temperatures. N d. Fiber core rope is the only type authorized for cargo runners. 2453: On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 2508: What is required to launch a boat stowed in a crescent davit?
N a. Hoist the boat clear of the cradle. N b. Release the outboard part of the cradle. N c. Rig the tricing lines. Y d. Crank the crescent out. 2707: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. N b. A seaman is injured and in the hospital for four days. Y c. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N d. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. 2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 16 2735: Periodic surveys to renew the load line assignment must be made at intervals NOT exceeding __________.
N a. 18 months N b. two years N c. three years Y d. five years 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 2810: Which document lists all the lifesaving equipment required for a vessel?
Y a. Certificate of Inspection N b. American Bureau of Shipping Classification Certificate N c. International Convention for the Safety of Life at Sea Certificate N d. Certificate of Registry 3014: You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.
N a. 1 1/8 inch Y b. 1 1/2 inch N c. 1 3/4 inch N d. 2 inch 3016: To obtain better steering control when you are towing alongside, your vessel should be positioned with its __________.
N a. bow extending forward of the tow N b. stern amidships of the tow Y c. stern extending aft of the tow N d. bow even with the bow of the tow 3042: A Great Lakes vessel bound for Anticosti Island is exempt from the IMO Grain Regulations if the vessel meets all of the following standards EXCEPT __________.
N a. the metacentric height corrected for free surface must meet regulatory minimums throughout the voyage Y b. slack surfaces should be in a mound N c. the longitudinal strength of the vessel must not be imperiled N d. the Master must ascertain the expected weather conditions enroute 3070: What is an advantage of a gate valve over a butterfly valve?
Y a. Less frequent maintenance N b. Faster operation N c. Cheaper N d. More compact 3134: When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.
Y a. forward to control the bow N b. amidships to move the entire vessel evenly N c. aft to assist the ship's rudder and propeller N d. anywhere, since the maneuverability of the tug governs the placement not the power 3152: The danger of a towing vessel tripping is increased the closer the towline is secured to __________.
N a. the stern Y b. amidships N c. the bow N d. the quarter 3219: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day N b. 10 minutes if possible N c. 30 minutes to 1 hour Y d. 1 to 6 hours 3587: Following a serious marine incident, a device to test an individuals breath can be used by __________.
Y a. any individual trained to conduct such tests N b. the marine employer N c. qualified medical personnel only N d. any USCG licensed deck officer 3726: 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?
N a. The angle of elevation does not change the stresses in the masthead fairlead for the topping lift. Y b. The stress on the head block is greater at 60°. N c. The stress on the heel block is greater at 60°. N d. The thrust on the boom is greater at 20°. 4047: Your vessel is to dock bow in at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Inshore head line Y b. Bow spring line N c. Stern breast line N d. Bow breast line 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 4178: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
Y a. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4209: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Slew travel limits N b. Turntable limits N c. Luff travel limits Y d. All of the above 4236: What is another description for a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Twin cranes hoisting 60 tons Y c. Quad lift hoisting 120 tons N d. All of the above