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.
56: The effect of wind on exposed areas of the vessel is most noticeable when __________.
Y a. backing N b. going slow ahead N c. going full ahead N d. turning 204: What does the helm command "shift the rudder" mean?
Y a. Put the rudder over to the opposite side, the same number of degrees it is now. N b. Put the rudder amidships and hold the heading steady as she goes. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 354: A "stopper" is __________.
Y a. a short length of line used for temporarily holding another line N b. a snatch block for handling a topping lift N c. an engine order telegraph N d. the brake on a cargo winch 517: What is the purpose of the intermediate spring?
N a. Serves as a backup for the main tow hawser in case of failure. Y b. Provides weight and flexibility to the total tow makeup. N c. Lengthens the main tow hawser to keep the tow in step. N d. Distributes the towing load. 531: Spring loaded towing hooks are used in towing to __________.
N a. absorb and cushion the shock of towing N b. prevent whiplash Y c. trip and release when the pull of the towing hawser exceeds a predetermined limit N d. make it easier to attach and release the tow 555: A chain bridle is used when towing astern because it __________.
N a. is easy to connect Y b. provides an effective catenary and absorbs shock due to its weight N c. makes rigging a swivel unnecessary N d. prevents the tow from yawing by the drag of the chains in a seaway 756: A licensed Master of Towing Vessels may NOT serve as the Captain of which towing vessel?
N a. 99 GRT towing vessel operating on Chesapeake Bay N b. 199 GRT towing vessel operating in the Gulf of Alaska N c. 400 GRT towboat operating on the Western Rivers Y d. 375 GRT towing vessel operating between Texas and Puerto Rico 776: In most cases, when a large merchant vessel enters shallow water at high speed the __________.
N a. maneuverability will increase N b. speed will increase Y c. bow will squat farther than the stern N d. vessel will rise slightly, on a level plane 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 979: A cargo of oil has a coefficient of expansion of .0005 per degree F. If this cargo is loaded at 70°F, and a cargo temperature of 90°F is expected at the discharge port, how many barrels would you expect to unload if you loaded 10,000 barrels?
N a. 9,900 N b. 9,990 N c. 10,010 Y d. 10,100 995: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
Y a. a single turn with hard rudder N b. engine(s) crash astern, no turn N c. a Williamson Turn N d. two 180° turns 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 1046: In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, you should __________.
Y a. use more right rudder N b. use more left rudder N c. increase speed N d. decrease speed 1062: An IOPP Certificate on an inspected vessel is valid for what period of time?
N a. 6 months N b. 12 months N c. 18 months Y d. 5 years 1235: You are on watch entering port while the pilot has the conn. The pilot gives a steering command to the helmsman who partially repeats the command. You should immediately __________.
Y a. repeat the Pilot's command and ensure that the helmsman repeats it completely N b. ask the Pilot to repeat the command since the helmsman failed to hear it completely N c. observe the helmsman's wheel action to be sure that it complies with the Pilot's command N d. ignore the helmsman's response as long as it was close to what the Pilot ordered 1346: The best method of determining if a vessel is dragging anchor is to note __________.
N a. the amount of line paid out N b. how much the vessel sheers while at anchor N c. any change in the tautness of the anchor chain Y d. changes in bearings of fixed objects onshore 1375: A chain stripper is used to __________.
Y a. prevent chain from clinging to the wildcat N b. clean the marine debris from the chain N c. flake chain from a boat's chain locker N d. clean chain prior to an x-ray inspection 1431: A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances, the __________.
Y a. vessel operator can collect demurrage N b. ship is authorized extra time to discharge the cargo N c. charterer must pay dispatch money N d. effective period of the charter is extended 1528: You are being towed by one tug. As you lengthen the bridle legs you __________.
N a. increase your chances of breaking the towing hawser Y b. reduce the yawing of your vessel N c. reduce the spring effect of the tow connection N d. increase your chances of breaking the bridle legs 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 1718: A combustible liquid with a flash point of 90°F would be grade __________.
N a. B N b. C Y c. D N d. E 1729: The greatest strain, when lifting a load with the jumbo purchase, is on __________.
N a. all of the parts, dividing the load equally Y b. the hauling part because it must absorb the frictional losses of all the sheaves N c. the parts in the movable block N d. the standing part because it is directly connected to the weight 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1760: A hook that will release quickly is a __________.
N a. longshore hook N b. margin hook N c. marginal hook Y d. pelican hook 1798: You are on a single-screw vessel with a left-handed propeller making no way in the water. How will your vessel react when you apply right rudder?
N a. Bow will kick to starboard N b. Bow will kick to port Y c. Rudder alone has no effect on the vessel N d. Stern will kick to port, then slowly swing to starboard 1810: Using the graph shown, if the dry bulb temperature is 98°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )
N a. 87% N b. 84% N c. 79% Y d. 65% 1895: The knot lettered Q as shown is a __________. (DO30DG )
N a. square knot N b. clove hitch Y c. bowline N d. round knot 1953: What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?
N a. The lines may jam and then jump off the gypsyhead. N b. If there is sudden strain on the line, the man tending the line may be pulled into the gypsyhead. N c. The lines' surging may cause the vessel to surge. Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead. 2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )
Y a. Intercostal N b. Open N c. Lightened N d. Non-watertight 2008: When towing another vessel, the length of the towing line should be __________.
N a. as long as possible N b. as short as possible under the circumstances and not over two wave lengths N c. such that one vessel will be on a crest while the other is in a trough Y d. such that the vessels will be in step 2011: The structural member indicated by the letter K is a __________. (D033DG )
N a. longitudinal frame N b. stringer N c. girder Y d. floor 2033: A spring line leads __________.
Y a. fore and aft from the ship's side N b. to the dock at a right angle to the vessel N c. through the bull nose or chock at the bow N d. through the chock at the stern 2112: What is NOT surveyed at an annual load line survey?
N a. The overall structure and layout of the vessel for alterations to the superstructure Y b. The bilge pumping system N c. Main deck hatch covers N d. Portholes and deadlights in the side plating 2153: The shipping papers for the products being carried in your tankship are NOT required to contain the __________.
Y a. exact quantity of the cargoes N b. grades of the cargoes N c. location of the delivery point(s) N d. name of the consignee(s) 2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )
N a. 2 N b. 4 Y c. 5 N d. 5.5 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. 2486: Which weld fault can only be detected by a method that examines the internal structure of a weld?
N a. Undercut N b. Lack of reinforcement N c. Overlap Y d. Lack of penetration 2549: An example of a modern anchor which has a stock is a(n) __________.
N a. articulated anchor N b. Flipper Delta anchor N c. Baldt anchor Y d. Danforth anchor 2557: Which Naval Control of Shipping publication should be aboard your vessel?
Y a. ATP-2 Vol. II - Allied Control of Shipping Manual N b. NWP-II - Underway Replenishment Guide N c. Warship Recognition Cards N d. ATP-1 - Allied Tactical Signals 2590: Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?
Y a. Crossing the spring lines N b. Slacking all forward running lines while keeping all after running lines taut N c. Doubling up on spring or breast lines N d. Slacking bow and stern lines 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 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 2889: What is the minimum size required before a vessel can be documented?
Y a. 5 net tons N b. 100 gross tons N c. 26 feet length N d. 65 feet length 2898: What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate?
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 3013: Which will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser Y b. Trimming the tow by the bow N c. Trimming the tow by the stern N d. Drogues put over the stern 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 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. 3110: The number or name of a tank barge shall be __________.
N a. displayed in at least 4 different positions on the barge N b. carved on a wooden board and attached to the barge's hull N c. displayed as close to the navigation lights as possible Y d. displayed at the highest point of the barge's hull such that it can be seen from either side 3143: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. Y b. Certificates of Discharge are not required to be issued. N c. Able seamen are required in the deck crew. N d. All crew members shall have Merchant Mariner's Documents. 3262: Fracture damage to the end links of the anchor cable, or to the Jews' harp may be eliminated by __________.
N a. using a small diameter connecting shackle N b. ensuring the swivel is well lubricated and free to turn N c. installing the connecting shackle with the bow towards the anchor Y d. securing a piece of wood to the Jews' harp 3488: Angular motion about the vertical axis of a vessel is called __________.
Y a. yaw N b. surge N c. sway N d. roll 3820: When making a Scharnow turn, the __________.
N a. rudder must be put over towards the side the man went over N b. initial turn direction is away from the side the man went over Y c. rudder is put hard over and the initial turn is maintained until about 240° from the original course N d. man overboard must be not more than 300 feet astern when starting the turn 4063: The knot at the end of the heaving line used to pass the towing hawser is called a __________.
Y a. monkey's fist N b. ball or baseball knot N c. heaving knot N d. three strand Turk's head 4066: What is the MOST irritating to the skin?
N a. Carbon disulfide N b. Ethyl alcohol N c. Isoprene Y d. Oleum 4070: Small floes of rough, hummocky sea ice capable of damaging a vessel __________.
Y a. can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometers N b. are indistinguishable from sea return on the PPI N c. are invisible to radar when covered with a thick layer of snow N d. are usually seen at night before they are close enough to provide a radar echo 4130: Which lashing material is preferred when securing new cars aboard Ro-Ro vessels?
N a. Chain lever or turnbuckle Y b. Webbing N c. Wire N d. None of the above 4142: The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.
N a. is Lighter than chain N b. has a good working life N c. is not affected by temperature Y d. All of the above 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 4225: What does item "G" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Mast N b. Pillar Y c. Turntable N d. Pedestal 4241: What should be given, as a minimum, to personnel who are involved in crane cargo handling?
Y a. Protective head gear, gloves, and steel-toed safety shoes N b. A survival suit for work on the stern or side port N c. A life preserver for going aloft to work on the crane N d. All of the above