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.
2: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.
Y a. give full right rudder N b. give full left rudder N c. put the rudder amidships N d. throw a life ring to mark the spot 60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?
N a. The ullage must be padded with compressed air at a minimum pressure of 2 psig. Y b. Silver and copper are prohibited in the parts of valves and fittings in contact with the cargo. N c. The cargo tank may be sampled only when the tank is being filled. N d. The shipping document must specify the exact quantity of butadiene being carried. 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 96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
N a. advance N b. pivoting point Y c. tactical diameter N d. kick 106: In relation to the turning circle of a ship, the term "kick" means the distance __________.
N a. around the circumference of the turning circle N b. gained at right angles to the original course N c. gained in the direction of the original course Y d. or throw of a vessel's stern from her line of advance upon putting the helm hard over 155: You are transporting dangerous cargo on your vessel. You must inspect this cargo __________.
Y a. daily N b. daily, at sea only N c. after encountering rough weather N d. after loading and prior to arrival in port only 235: Which ending is NOT acceptable in a wire rope that is free to rotate when hoisting?
N a. Poured socket Y b. Liverpool eye splice N c. Eye formed with a pressure clamped sleeve N d. Eye formed by clips 296: You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?
N a. 000°T Y b. 090°T N c. 180°T N d. 270°T 561: Which space cannot be deducted from gross tonnage when calculating net tonnage?
N a. Crew messroom Y b. Forepeak ballast tank N c. Master's cabin N d. Chain locker 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 682: The mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line Y b. offshore bow line N c. offshore spring line N d. onshore bow line 725: By law, a user of marijuana shall be subject to __________.
N a. loss of pay during the period of such use N b. reprimand by the US Coast Guard Y c. revocation of license or certificate N d. termination of employment 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 790: Which statement is TRUE of centrifugal pumps aboard tank vessels?
N a. They are positive displacement pumps. Y b. They are gravity-fed. N c. They produce a pulsating flow. N d. They require more maintenance than a reciprocating pump. 847: When towing astern what equipment should be stowed ready for use near the towline?
N a. First aid kit Y b. Axe or cutting torch N c. Fire extinguisher N d. Chafing gear 899: When must the owner or Master of a towing vessel retest a towline or remove it from service?
Y a. When the record of its material condition lapses for 3 months or more. N b. After it jams on the towing winch. N c. After it drags on the bottom. N d. When it has not been used for over 60 days. 963: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from Galveston to Savannah and then returning, a distance in excess of 600 miles. Which statement is FALSE?
N a. The sailors shall be divided into three watches. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. Y d. The crew members are NOT required to sign articles. 1157: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" Y b. "Passing 150°" N c. "Checked" N d. "Eased to 5° rudder" 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1182: Your vessel must moor port side to a berth limited by vessels ahead and astern using a single tug. You are stemming a slight current and there is a light breeze of the dock. Your tug should be made up to the vessel's __________.
N a. stern on a hawser N b. quarter N c. waist Y d. bow 1194: What type of line melts easiest?
N a. Wire N b. Dacron N c. Nylon Y d. Polypropylene 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1258: While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's stern lines to part. The stern begins to fall away from the dock, and no tugs are immediately available. Which measure(s) should you take FIRST?
N a. Notify the engineroom of the need for propulsion. Y b. Shut down any cargo transfer that's in progress. N c. Let go the port anchor and veer to a short scope of chain. N d. Obtain assistance from the terminal to put new stern lines out. 1301: If, after examination by the Quarantine Officer, your vessel is found to have a specific deficiency, you may be issued __________.
N a. Bill of health N b. Free Pratique N c. Notice to Comply Y d. Controlled Free Pratique 1307: Which type of ice is a hazard to navigation?
N a. Ice rind N b. Pancake ice N c. Frazil ice Y d. Growlers 1390: The body plan of a vessel is a(n) __________.
Y a. endwise view of the ship's molded form N b. longitudinal side elevation view N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes N d. vertical view made looking up in the ship, with the keel at the center 1414: A wire rope that has been overstrained will show __________.
N a. a bulge in the wire where the strain occurred Y b. a decrease in diameter where the strain occurred N c. a kink in the wire where the strain occurred N d. no visible effects of an overstrain 1455: Which letter represents a bowline on a bight? (DO30DG )
N a. H Y b. I N c. M N d. W 1482: The two courses of action if the underwater hull is severely damaged are to plug the openings or to __________.
Y a. establish and maintain flooding boundaries N b. dewater the compartment N c. secure power to the compartment N d. ballast to maintain even keel 1498: The biggest problem you generally encounter while towing a single tow astern is __________.
N a. the catenary dragging on the bottom N b. swamping of the tow N c. the tow tending to dive Y d. yaw 1498: The biggest problem you generally encounter while towing a single tow astern is __________.
N a. the catenary dragging on the bottom N b. swamping of the tow N c. the tow tending to dive Y d. yaw 1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?
Y a. It resists abrasion better. N b. It is longer. N c. It hugs the winch drum better. N d. It is less expensive. 1593: A long splice in a line __________.
Y a. is used in running rigging N b. doubles the size of the line N c. is only used on fiber rope N d. is very weak 1704: Whipping the bitter end of a fiber rope __________.
N a. increases the circumference of the rope N b. makes for easier handling Y c. prevents fraying of the bitter end N d. prevents moisture from entering the bitter end 1755: Which knot shown is a French bowline? (DO30DG )
N a. L Y b. T N c. Q N d. W 1925: Which material should NOT be used to secure cargo on deck for a voyage?
N a. Steel chain N b. Wire rope N c. Steel strapping Y d. Fiber rope 1972: Payment of penalty for a ship's delay after the expiration of lay days due to some fault of the charterer or his agent is known as __________.
Y a. demurrage N b. late fee N c. miscibility N d. volatility 2005: A block that can be opened at the hook or shackle end to receive a bight of the line is a __________.
N a. bight block N b. gin block N c. heel block Y d. snatch block 2010: On the cargo manifest, the total weight of a box containing cargo is the __________.
N a. tare weight N b. net weight Y c. gross weight N d. cargo weight 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2064: While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?
N a. figure eight turn N b. Round turn N c. Racetrack turn Y d. Williamson turn 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 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 2235: 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 advance for a turn of 75°? (D034DG )
Y a. 800 yards (720 meters) N b. 860 yards (774 meters) N c. 910 yards (819 meters) N d. 955 yards (860 meters) 2240: What is the mechanical advantage of tackle number 1? (DO29DG )
N a. 0.5 Y b. 1 N c. 1.5 N d. 2 2342: How many tons of salt water can be loaded into a flat ended cylindrical tank with a diameter of 3 feet and a length of 8 feet?
Y a. 1.62 N b. 1.98 N c. 3.23 N d. 6.46 2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?
N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide. Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid. N c. All of these cargoes are compatible. N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide. 2564: The major components which determine the length of catenary in a deployed anchor cable are water depth, cable tension, and __________.
N a. environmental forces N b. bottom conditions Y c. cable weight N d. water density 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3511: The wheel on the windlass with indentations for the anchor chain is the __________.
N a. grabber Y b. wildcat N c. locking ring N d. pawl 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 4042: You are on a 120,000 DWT loaded bulk carrier. What is the maximum safe docking speed when coming alongside?
N a. 0.1 foot per second (0.06 knot) Y b. 0.2 foot per second (0.12 knot) N c. 0.5 foot per second (0.30 knot) N d. 0.75 foot per second (0.44 knot) 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 4050: You are on a 120,000 DWT loaded bulk carrier. When anchoring without the aid of tugs, your maximum speed should not exceed how many feet per second?
Y a. 0.5 (0.3 knot) N b. 1.0 (0.6 knot) N c. 1.3 (0.8 knot) N d. 1.75 (1.0 knot) 4053: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you give this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) Y c. R (ROUTINE) N d. Z (FLASH) 4208: What is the purpose of the equalizing beam aboard a crane vessel?
N a. It allows for rotation of the hook in the single mode. Y b. It is required to "twin-up" 30-ton pedestal cranes. N c. It is used to pick up light loads. N d. It is used to rigidly connect two cranes. 4222: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Equalizing beam N b. Hoist fall spreader Y c. Rider block N d. Block/hook assembly 4278: Which wire rope purchase(s) is/are optional with a 30-Ton pedestal crane?
N a. Hoist N b. Luff Y c. Rider block N d. All of the above 4282: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. N b. Taglines can be fastened to the corners of the jib when lifting containers. Y c. The crane might not have taglines installed in its rigging system. N d. The taglines are wire rope purchases that raise and lower the topping lift.