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.
346: A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind, the vessel will most likely back __________.
N a. straight astern Y b. to port N c. to starboard N d. in no particular direction 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 394: The rope which is rove from the truck to be used with a bos'n's chair is called a __________.
Y a. gantline N b. life line N c. strop N d. whip 410: You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? (D023DG )
Y a. The tank contains propylene. N b. The tank's volume is 1077 cubic feet. N c. There are three tanks in the shipment. N d. The tank contains an oxidizing material. 418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?
N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required. Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation. N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed. N d. The possibility of any sweat problem, either cargo or ship, is remote. 461: Where is the best location to install a towing hook?
N a. Forward of the towing bitts N b. On the fantail N c. Near the Norman Pins Y d. Just aft of amidships 534: Which is part of the ground tackle?
N a. Charlie noble Y b. Devil's claw N c. Gooseneck N d. Rat's tail 544: If the winch should fail while you are hauling in the anchor, what prevents the anchor cable from running out?
N a. Chain stopper N b. Devil's claw N c. Hawse ratchet Y d. Riding pawl 567: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required Pilot is TRUE?
N a. The Pilot must be licensed by Virginia and Maryland. N b. The Pilot must be licensed by either Virginia or Maryland. Y c. The Pilot need only be licensed by the Coast Guard. N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard. 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 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 808: You are loading a cargo of cases into a hold which has a bale cubic of 44,000. The cargo consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated broken stowage is 15%. What is the maximum number of cases which can be stowed in the hold?
N a. 3096 Y b. 3116 N c. 3136 N d. 3156 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 860: Which category of able seaman is not authorized to be counted as an able seaman on a seagoing tug of over 100 gross tons?
N a. Unlimited N b. Limited N c. Special Y d. Special (OSV) 913: When commencing cargo operations on a container ship, one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ____________.
N a. remove an existing list that would slow down cargo operations Y b. initiate loading in conjunction with unloading at the hatch N c. improve stability during cargo operations N d. allow longshoremen easy access to the hatch 962: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from New York to Mexico and then returning, a distance in excess of 600 miles. Which statement is FALSE?
Y a. The crew members are required to sign articles. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into three watches. 973: The "weather adjustment" control on an autopilot steering stand is used to __________.
N a. allow leeway according to the weather conditions N b. proportionally set the number of degrees of rudder response per degree of course error Y c. set the null band or dead zone signal before actuating the rudder N d. set the speed at which the rudder responds 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1216: It is easier to dock a right-hand, single-screw vessel __________.
N a. starboard side to the wharf N b. either side to the wharf Y c. port side to the wharf N d. stern to the wharf 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 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1448: Nylon line is better suited than manila for __________.
N a. towing alongside Y b. towing astern N c. holding knots and splices N d. resisting damage from chemicals 1459: When handling cargo, the majority of cargo gear breakdowns is due to __________.
N a. compression bending of the boom N b. extension failure of the boom Y c. guy failures N d. topping lift failures 1502: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
Y a. 49.73 numeral N b. 52.76 numeral N c. 55.29 numeral N d. 57.93 numeral 1550: Keel scantlings of any vessel are greatest amidships because __________.
N a. connections between forebody and afterbody are most crucial Y b. of maximum longitudinal bending moments N c. of severest racking stresses N d. resistance to grounding is at a maximum amidships 1618: A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel __________.
N a. permits the rudder to move faster N b. generates more power Y c. can turn without using her rudder N d. can suck the water away from the rudder 1642: Which illustration represents a carrick bend? (DO30DG )
N a. H N b. J N c. L Y d. M 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 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 1827: What is the volume in a cone with a base diameter of 8 feet and a height of 6 feet?
Y a. 100.53 Cu. Ft N b. 131.39 Cu. Ft N c. 172.72 Cu. Ft N d. 197.39 Cu. Ft 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 1983: When a line is subject to wear where it passes through a mooring chock, it should be __________.
N a. wormed, parceled, and served N b. wrapped with heavy tape Y c. wrapped with chafing gear N d. wrapped in leather 2028: When making up a long, large coastwise tow, which of the following procedures is INCORRECT?
N a. A chain towing bridle is generally preferred N b. Safety shackles should be used when connecting to the fishplate N c. Rig tripping ropes (retrieving lines) Y d. Back-up wires are left slack 2116: What is the name of tackle number 10 in illustration DO29DG? (DO29DG )
N a. Two-two purchase N b. Deck purchase Y c. Two-fold purchase N d. Double runner 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2243: You are using tackle number 4, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig? (DO29DG )
N a. 4 N b. 6 N c. 10 Y d. 24 2348: You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?
N a. All of these cargoes are mutually compatible. N b. Benzene may not be carried in a tank adjacent to either of the other two cargoes. Y c. Allyl alcohol is incompatible with propanolamine but both are compatible with benzene. N d. Propanolamine is compatible with allyl alcohol but must be segregated from benzene. 2499: Single hull vessels operating exclusively on the Great Lakes must be dry docked at intervals not to exceed __________.
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 2567: When relieving the helm, the new helmsman should know the __________.
N a. variation N b. gyro error Y c. course per magnetic steering compass N d. maximum rudder angle previously used 2622: You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. The center of pressure of the shores on the bulkhead should be located __________.
N a. evenly over the surface of the bulkhead Y b. approximately two-thirds of the way up the bulkhead N c. approximately halfway up the bulkhead N d. at the bottom of the bulkhead 2808: Under the forces of its own weight, the suspended length of line will fall into a shape known as a __________.
N a. polygon N b. holding arc Y c. catenary curve N d. parabolic curve 2814: Your vessel is crossing a river on the Great Lakes System. A power-driven vessel is ascending the river, crossing your course from port to starboard. Which statement is TRUE?
Y a. The vessel ascending the river has the right of way. N b. Your vessel has the right of way, but you are directed not to impede the other vessel. N c. The other vessel must hold as necessary to allow you to pass. N d. You are required to propose the manner of passage. 2912: When tank cleaning with a portable machine, the weight of the machine is suspended from __________.
N a. solid iron bars clamped to the Butterworth opening Y b. the supply hose N c. the suspension line, usually manila or natural fiber line N d. a wire rope suspension line 2942: How should you signal the crane operator to move slowly?
Y a. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal. N b. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. N c. First tap your elbow with one hand and then proceed to use regular signals. N d. First tap the top of your head with your fist and then proceed to use regular signals. 2950: In relation to the turning circle of a ship, the term "advance" means the distance __________.
N a. gained at right angles to the original course Y b. gained in the direction of the original course N c. moved sidewise from the original course when the rudder is first put over N d. around the circumference of the turning circle 2954: An intermediate spring is __________.
N a. fitted in each leg of the towing bridle Y b. generally located between the "fishplate" and the main towing hawser N c. secured at the "H" bitts N d. usually made of manila hawser 2996: Advection fog, a common occurrence on the Great Lakes, forms when __________.
N a. air comes in contact with a rapidly cooling land surface N b. frigid arctic air moves across the lakes and becomes saturated Y c. relatively warm air flows over cooler water N d. cool air contacts warm river currents 3086: Which statement concerning the navigation of a vessel in ice is FALSE?
N a. Anchoring in the presence of ice is not recommended except in an emergency. N b. Towing a vessel through an ice field is not recommended except in an emergency. N c. The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations. Y d. When anchoring in ice, it is advisable to increase the scope of the chain over what is normally used for non-icing conditions. 3142: Why are stern towing bitts placed well forward of the rudder when hawser towing?
N a. To keep the hawser from fouling the rudder N b. To keep the towing bitts as far away as possible from the tugs pivoting point Y c. To allow the stern to swing more freely when using rudder N d. To have as much of the towing hawser in use as possible 3240: You are the operator of a towing vessel which becomes involved in a collision. By law you must assist __________.
N a. if your vessel is at fault N b. if you can do so without excessive delay Y c. if you can do so without serious danger to your vessel N d. regardless of the circumstances 3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line 3440: The circular steel structure installed around the propeller of a towboat is the __________.
Y a. nozzle N b. shroud N c. strut N d. hood 3493: 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?
N a. Able Seamen are not required in the deck crew. Y b. All crew members must have Merchant Mariner's Documents. N c. A licensed Chief Engineer is required. N d. Deck watches may be 6 and 6. 3616: A tug in irons is __________.
N a. rudder bound N b. being tripped by the towline Y c. unable to maneuver N d. broached 4102: What characterizes a Ro-Ro vessel?
N a. May carry up to 24 passengers Y b. High freeboard and sail area N c. Long port stays required for cargo securing N d. Lightweight securing equipment trailers 4228: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )
N a. Boom assembly N b. Hook block assembly N c. Operator's cab Y d. All of the above 4259: Which statement is FALSE regarding the operation of a crane?
N a. The crane jib is raised and lowered by the luffing winch. N b. The cargo block is raised and lowered by the hoisting winch. Y c. The cargo block is raised and lowered by the luffing winch. N d. None of the above 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