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.
6: Which statement about a tunnel bow thruster is TRUE?
Y a. It provides lateral control without affecting headway. N b. It is fully effective at speeds up to about six knots. N c. It can be used to slow the ship in addition to backing down. N d. It will allow you to hold a position when the current is from astern. 29: You are in charge of a U.S. documented vessel. Under title 46 of the United States Code, if you fail to report a complaint of a sexual offense, you may be __________.
N a. criminally charged and jailed Y b. civilly penalized N c. held personally liable by the victim and sued N d. All of the above are correct 35: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
Y a. 3 hours to start of business the following day N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 53: The objective of shoring a damaged bulkhead is to __________.
N a. force the warped, bulged, or deformed sections back into place Y b. support and hold the area in the damaged position N c. withstand subsequent additional damage N d. make a watertight seal at the damaged area 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. 144: The lookout sights a vessel dead ahead. This should be reported on the bell with __________.
N a. one bell N b. two bells Y c. three bells N d. four bells 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 189: Reid vapor pressure is __________.
N a. exerted by liquid cargo on the sides of a tank N b. exerted by liquid cargo on a cargo hose body N c. the lowest temperature and pressure that will cause a flammable liquid to give off vapors Y d. a measurement of the amount of flammable vapors given off by a liquid at a certain temperature 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. 241: If there are any changes in the crew in a foreign port, the changes will be made by __________.
N a. the Master on the Certified Crew List Y b. the Master on the Shipping Articles N c. U.S. Consul on the Certified Crew List N d. U.S. Consul on the Shipping Articles 315: A vessel must have one approved ring life buoy on board if its length is over how many feet?
N a. 6 feet N b. 16 feet Y c. 26 feet N d. 36 feet 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 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 464: The static bollard pull of a tug is measured in tons and consists of the brake horsepower of the tug's engine divided by 100 and multiplied by a factor of __________.
N a. 0.5 Y b. 1.3 N c. 3 N d. 10 476: You are backing on twin engines with rudders amidships, when your port engine stalls. To continue backing on course, you should __________.
N a. apply left rudder Y b. apply right rudder N c. increase engine speed N d. keep your rudder amidships 497: Which type of fiber towing hawser is preferred for towing astern?
N a. Manila N b. Polypropylene Y c. Nylon N d. Dacron 614: A fid is a __________.
N a. mallet used when splicing wire rope N b. sharp pointed crow bar used to unlay wire rope N c. tapered steel pin used to separate wire rope Y d. tapered wooden pin used when splicing heavy rope 615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.
Y a. bank cushion N b. bank suction N c. bow wave N d. veering cushion 638: Ship's officers should check every cargo compartment after it is filled with bulk grain to ensure __________.
N a. all lighting circuits are energized Y b. all void spaces are filled N c. the correct grade of cargo has been loaded N d. the heavier grade is in the lower hold 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 706: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. Y b. It pulls the stern toward the bank. N c. It pushes the entire vessel away from the bank. N d. It heels the vessel toward the bank. 824: The larger sizes of manila line are measured by their __________.
N a. radius N b. diameter Y c. circumference N d. weight per foot 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 1002: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you may need to __________.
N a. check the setting of the rudder adjustment N b. check the setting of the weather adjustment N c. immediately engage the trick wheel Y d. switch to the other steering system 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 1189: When bunkering is complete, the hoses should be __________.
N a. cleaned internally with a degreaser N b. washed out with hot soapy water Y c. drained, blanked off, and stored securely N d. stowed vertically and allowed to drain 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1208: When making a wire fast to bitts it is recommended that you __________.
N a. use only figure eights N b. take 2 round turns around one bitt, then make figure eights Y c. take 3 round turns around both bitts, then make figure eights N d. alternate round turns and figure eights around both bitts 1481: A fire has damaged 20 bales of cotton on a freighter loaded with general cargo. This claim would come under __________.
N a. constructive total loss N b. general average Y c. particular average N d. total loss of a part 1563: Which statement about two lines spliced together is TRUE?
N a. Splicing is used to increase the circumference of each line. Y b. Splicing two lines together is stronger than knotting two lines together. N c. Splicing is used to increase the overall strength of the line. N d. Splicing is used to prevent rotting of the lines bitter end. 1574: Wire rope is galvanized to __________.
Y a. protect it from corrosion due to contact with saltwater N b. make it bend more easily N c. increase its strength N d. increase its circumference 1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.
Y a. starboard until headway is lost and then to port N b. port N c. port until headway is lost and then may possibly swing to starboard N d. port slowly at first and then quickly to port 1661: Which document is NOT required by law to be posted aboard a vessel?
N a. Certificate of Inspection Y b. Official Crew List N c. Officer's licenses N d. Muster list 1833: The standing part of a tackle is __________.
N a. all the fall except the hauling part N b. the hook that engages the weight to be moved N c. that part to which power is applied Y d. that part of the falls made fast to one of the blocks 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 2058: What is NOT suitable for use in making up the towing rig for a heavy, long ocean tow?
N a. Chain Y b. Ring N c. Solid thimble N d. A fishplate 2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )
N a. This represents the load line marks when engaged on a voyage upon the Great Lakes. N b. The line directly under the triangle is at the same level as the summer load line. N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only. Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible. 2172: The lower hold of your vessel has a bale cubic of 52,000 cu. ft. You will load a cargo of cases, each weighing 380 lbs. and measuring 3 ft. x 2 ft. x 2 ft. The estimated broken stowage is 15%. How many tons of cases can be loaded?
N a. 137 tons N b. 161 tons Y c. 625 tons N d. 969 tons 2182: What is the name of tackle number 4? (DO29DG )
N a. Double whip N b. Luff tackle Y c. Two-fold purchase N d. 2-2 tackle 2192: The part of a windlass which physically engages the chain during hauling or paying out is the __________.
N a. devil's claw N b. bull gear Y c. wildcat N d. cat head 2256: 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 transfer for a turn of 180°? (D034DG )
N a. 875 yards Y b. 910 yards N c. 975 yards N d. 1015 yards 2257: "Cribbing" is __________.
Y a. wooden blocks or dunnage placed between a deck load and the deck N b. the chains and shackles used to secure a deck cargo N c. a crate in which a deck cargo is packaged N d. cardboard separation pieces placed between deck loads to prevent chafing 2393: Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.
N a. 285.6 lbs. N b. 329.7 lbs. N c. 591.2 lbs. Y d. 768.8 lbs. 2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.
N a. hauling vertically on the line N b. making the line fast to the bitt and bringing the vessel further forward Y c. reversing the angle and direction of pull, with moderate scope N d. increasing the scope and running slowly in a wide circle with the anchor line taut 2659: The shearing stresses on a ship's structure are usually greatest at __________.
N a. the bow N b. the stern N c. midships Y d. the ship's quarter-length points 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. 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 2919: Which statement about general average is TRUE?
N a. Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purpose. Y b. Property must have been sacrificed or an expenditure of money incurred. N c. The loss or damage to deck cargo due to heavy weather constitutes general average. N d. Of the ship, the freight, and the cargo interests, only one need be involved. 3010: The piping that routes an oil cargo from the manifold directly to a cargo tank and serves only one tank is known as a __________.
N a. cargo fill N b. filler line Y c. tank drop N d. branch line 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 3105: On a sea going towing vessel of 150 GT, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?
Y a. 4 N b. 3 N c. 2 N d. 1 3286: The signal man assisting the crane operator has his arm extended, with the thumb pointing up, and is flexing his fingers in and out for as long as the load movement is desired. This is the signal to __________.
N a. lower the boom and raise the load Y b. raise the boom and lower the load N c. lower the boom and lower the load N d. raise the boom and raise the load 3350: It is not advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too expensive for everyday towing usage N c. binds on the cleats N d. parts too readily 3350: It is not advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too expensive for everyday towing usage N c. binds on the cleats N d. parts too readily 3484: You are on watch and see a man fall overboard. Which man- overboard turn should NOT be used in this situation?
Y a. Scharnow N b. Single turn N c. Racetrack N d. Williamson 4012: The purpose of item G is to __________. (D024DG )
N a. distribute the vessel's thrust over a wider area N b. prevent the towboat from capsizing if item I should part Y c. prevent the knee from shifting when the rudder is put hard over N d. keep the barges from shifting fore and aft 4056: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)
N a. 89.75 numeral N b. 40.18 numeral N c. 28.62 numeral Y d. 22.44 numeral 4127: Which lashing device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing Y c. Chain N 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