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.
135: Corrosive liquids and acids should have which kind of label?
N a. Skull and crossbones N b. Yellow and white N c. Red and white Y d. White and black 229: Which refers to the depth of a petroleum product in a tank?
N a. Outage N b. Ullage N c. Thievage Y d. Innage 389: When hooking up a cargo hose to your vessel's manifold, you should use a(n)______________.
N a. international shore connection Y b. insulating flange or single length of non-conducting hose N c. self-contained breathing apparatus N d. oxygen analyzer 459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.
Y a. a subsequent temperature rise will cause the cargo to overflow N b. air pockets may cause the cargo to bubble out of the ullage hole N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill N d. the tank valve may be stiff and a spill will occur before the valve can be closed 528: Determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (16°C). (D008DG )
N a. 14°F N b. 20°F N c. 28°F Y d. 50°F 543: You would be most likely to use a fishplate __________.
N a. when towing alongside Y b. on a hawser tow N c. when pushing ahead or in the notch N d. when running "light boat" 646: What shape barge offers the least resistance in river towing?
N a. A square ended barge Y b. Barges with spoon shaped bows N c. Ship-shaped barges N d. Hopper barges 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. 774: The strongest of the natural fibers is __________.
N a. cotton N b. hemp Y c. manila N d. sisal 851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?
N a. The maintenance of an Official Logbook is optional. N b. The vessel must be on foreign articles. N c. This is considered a coastwise voyage. Y d. An Official Logbook must be maintained. 855: Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?
N a. The owner of the vessel N b. The company operating the vessel Y c. The Master of the vessel N d. The company chartering the vessel 972: The "rudder adjustment" control on an autopilot steering stand is used to __________.
N a. align the rudder angle indicator with the true rudder angle Y b. set the number of degrees of rudder per degree of course error N c. set the departure from base course before actuating the rudder N d. set the rate at which the rudder responds 1014: In order to detect rot in manila lines, you should __________.
N a. feel the surface of the line for broken fibers N b. measure the reduction in circumference of the line N c. observe any mildew on the outer surface Y d. open the strands and examine the inner fibers 1056: In which situation could a vessel most easily capsize?
N a. Running into head seas Y b. Running in the trough N c. Running with following seas N d. Anchored with your bow into the seas 1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames 1120: A stage should only be rigged __________.
N a. over the bow or stern of a vessel N b. over the flat sides of a vessel Y c. over the open water N d. over the dockside 1158: A vessel loads 100 tons of glass jars. The mate on watch discovers that some of the cartons have been damaged and has an exception made on the Bill of Lading. What is this document called?
N a. Damage Bill of Lading N b. Letter of Indemnity N c. Non-negotiable Bill of Lading Y d. Unclean Bill of Lading 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 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 1422: A U.S. vessel engaged in foreign trade must be __________.
N a. classed N b. enrolled N c. licensed Y d. registered 1495: A common class of wire rope is the 6X37 class. What does the 37 represent?
N a. Number of wires in the inner core N b. Number of strands per wire rope N c. Tensile strength of the wire Y d. Number of wires per strand 1553: The correct way to make an eye in a wire rope with clips is to place the clips with the __________.
N a. first and third U-bolts on the bitter end and the second U-bolt on the standing part N b. first and third U-bolts on the standing part and the second U-bolt on the bitter end Y c. U-bolts of all clips on the bitter end N d. U-bolts of all clips on the standing part 1586: By paying out more anchor cable, you __________.
N a. decrease the holding power of your anchor N b. decrease the swing of your vessel while at anchor Y c. increase the holding power of your anchor N d. increase the possibility that your vessel will drag anchor 1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.
N a. to starboard Y b. to port N c. straight ahead N d. as influenced by the tide and sea 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 1663: A bench hook is used for __________.
N a. handling of cargo cases N b. hanging oilskins Y c. sewing canvas N d. splicing small stuff 1665: Which picture in illustration DO30DG represents a sailmaker's whipping? (DO30DG )
N a. E N b. F N c. J Y d. K 1674: Which is NOT a type of seizing?
N a. Flat seizing N b. Racking seizing N c. Throat seizing Y d. Tube seizing 1766: When anchoring in a current, you should __________.
N a. drop the anchor with the bow headed downstream N b. back your vessel into the current Y c. anchor while stemming the current N d. All of the above 1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )
N a. erection Y b. pillar N c. girder N d. deck support 1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?
N a. 200 lbs. N b. 300 lbs. Y c. 400 lbs. N d. 500 lbs. 1918: Which statement is TRUE concerning hawser towing?
N a. The catenary in a hawser should be sufficient so that the hawser just touches the bottom. N b. The hawser is of sufficient length for towing when taut between tug and tow. N c. Increasing speed usually increases the catenary in the hawser. Y d. Shortening the tow hawser generally decreases the maneuverability of the tug. 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 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2061: A sheave is a __________.
Y a. grooved wheel in a block N b. line to hold a lifeboat next to the embarkation deck N c. partial load of grain N d. seaman's knife 2147: What is the name of tackle number 8? (DO29DG )
N a. Parbuckle Y b. Gun tackle N c. Single purchase N d. Single luff tackle 2151: Many dangerous cargoes are stowed on deck because of the __________.
N a. danger to crew and cargo N b. necessity of periodic inspection N c. possible need to jettison Y d. All of the above 2213: You are using tackle number 6 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. Disregarding friction, what is the mechanical advantage of this rig? (DO29DG )
N a. 11 N b. 16 Y c. 18 N d. 24 2279: In plugging submerged holes; rags, wedges, and other materials should be used in conjunction with plugs to __________.
N a. reduce the water pressure on the hull N b. reduce the possibility of stress fractures N c. prevent progressive flooding Y d. reduce the water leaking around the plugs 2287: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
Y a. 30 minutes to 1 hour N b. 1 to 6 hours N c. 3 hours to start of business the following day N d. 10 minutes if possible 2291: Before a Master relieves a Pilot of the conn, the __________.
N a. Master must first request the Pilot to take corrective action N b. Master should agree to sign a release of liability form Y c. Master should foresee any danger to the vessel on the present course N d. vessel must be in extremis 2301: In towing, chocks are used to __________.
Y a. protect the towline from chafing N b. secure the end of the towline on the tug N c. stop off the towline while retrieving it N d. absorb shock loading on the towline 2366: To "shore up" the main deck for the stowage of deck cargo means to __________.
N a. weld pad eyes on deck in proper position to secure the cargo Y b. strengthen the main deck by placing pillars underneath it in the tween-decks N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck N d. package the cargo in wooden crates so it will not damage the deck 2714: The major components which determine the length of catenary in a deployed anchor cable are cable tension, cable weight, and __________.
N a. water density N b. bottom conditions N c. environmental forces Y d. water depth 2824: While being assisted by an icebreaker on Lake Superior, you receive a single letter code instructing you to slow your vessel. Which signal could you use to signify that you are complying with the request?
N a. Three blasts of the whistle N b. The code flag "A" (Alpha) displayed from a halyard Y c. Four blasts of the whistle, namely 1 short 2 long and 1 short N d. The code flag "L" (Lima) displayed from a halyard 2906: You are planning to anchor in an area where several anchors have been lost due to fouling. As a precaution, you should __________.
N a. anchor using both anchors N b. anchor with scope of 8 or more to 1 N c. use a stern anchor Y d. fit a crown strap and work wire to the anchor 3004: What is NOT a basic shiphandling rule for navigating in ice concentrations on the Great Lakes?
N a. Keep moving - even very slowly, but keep moving. N b. Work with the ice movement, not against. Y c. Transit ice along pressure ridges when possible. N d. Excessive speed means ice damage. 3059: A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral "4" when the vessel __________.
N a. speed begins to drop N b. stops N c. receives ice damage Y d. becomes icebound 3074: In securing a towing cable, consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by __________.
N a. increasing the shaft RPM prior to release N b. using a pelican hook for quick release Y c. using preventers N d. using a short chain for the lead through the stern chock 3099: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. quarter line N b. back line N c. peg line Y d. jockey line 3434: The Scharnow turn should be used in a man overboard situation only when __________.
N a. the man can be kept in sight from the bridge while maneuvering N b. the turn is started immediately when the man goes over Y c. there has been sufficient time elapsed since the man went over to complete the maneuver N d. the vessel has twin screws to assist in making the turn 3464: The ultimate or maximum strength of a wire rope is referred to as the __________.
N a. operating strength N b. working load Y c. breaking strength N d. lifting load 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 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 3719: Besides saving distance along the track line, another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation is because __________.
Y a. it is faster N b. it can be used in both the immediate action and the delayed action situations N c. in fog, if the turn is started as soon as the man goes over, the vessel will be at the point where he went over when the turn is completed N d. it returns the vessel to the original track line on a reciprocal course 3724: What part of the ground tackle is the most likely to develop fractures due to extensive anchor use?
N a. Anchor shank N b. Swivel Y c. Jews' harp N d. Fluke 4059: A 750 foot passenger vessel operating on the Great Lakes, not subject to SOLAS regulations, is required to carry how many ring life buoys?
Y a. 24 N b. 18 N c. 12 N d. 6 4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Buckle tensioner Y c. Adjust-a-matic tensioner N d. Ratchet tensioner 4254: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. Each single boom is of the partial-level luffing type and is capable of limited rotation. N b. A slew drive system provides for rotation of each crane. N c. Maintenance logs and records are to be kept for each crane. Y d. All of the above