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.
7: The mooring line labeled "F" is called a __________. (D044DG )
Y a. breast line N b. bow line N c. forward spring line N d. None of the above 45: Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?
Y a. Squatting N b. Smelling the bottom N c. Sinkage N d. Bank cushion 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 77: When steering a vessel, a good helmsman will __________.
N a. use as much rudder as possible to keep the vessel on course N b. apply rudder to move the compass card towards the lubbers line when off course Y c. repeat back to the watch officer any rudder commands before executing them N d. keep the rudder amidships except when changing course 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
N a. injury is the result of misconduct N b. injury results in loss of life only N c. injured need first aid Y d. injured is incapacitated 184: You are standing look-out duty at night. A dim light on the horizon will be seen quickest by looking __________.
N a. at an area just a little below the horizon N b. at the horizon, where the sky and water appear to meet Y c. a little above the horizon N d. well below the horizon 198: Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is __________.
N a. for securing a snatch block when snaking cargo into the wings of the hold Y b. to prevent cargo from coming in contact with the vessel's frames or shell plating N c. to provide fittings to which cargo lashings may be secured N d. to support the dunnage floors which are laid down between tiers of cargo 273: You will load class 1.2 commercial explosives and need to construct a portable magazine. The magazine MUST __________.
N a. be made of metal Y b. be elevated with skids 10cm (3.9 inches) above the deck N c. have a hinged cover N d. be fastened with nails or screws 287: On the cargo manifest, the weight of the cargo inside a box is called __________.
N a. gross weight Y b. net weight N c. light weight N d. rate weight 325: A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a __________.
N a. bitt N b. bollard N c. capstan Y d. cleat 429: A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 90°F (32°C), and it has a coefficient of expansion of .0008. What is the net amount of cargo loaded?
N a. 8856 bbls Y b. 8784 bbls N c. 8820 bbls N d. 9216 bbls 442: "Ease the rudder" means to __________.
N a. move the rudder slowly in the direction of the most recent rudder command Y b. decrease the rudder angle N c. bring the rudder amidships N d. steer the course which is your present heading 456: You are conning a twin-screw vessel going ahead with rudders amidships. If the port screw stops turning the bow will __________.
Y a. go to port N b. go to starboard N c. not veer to either side N d. go first to port and then to starboard 467: Of which type of material may a towing hawser be constructed?
N a. Wire rope N b. Nylon, dacron, polypropylene or a blend of other synthetic fibers N c. Manila Y d. All of the above 487: One method of removing kinks from fiber rope is to __________.
N a. coil the line against the lay Y b. tow the line astern until it straightens N c. stretch the line until it reaches its elastic limit N d. cut out each kink and splice 550: If the towing bridle legs are not of equal length __________.
N a. excessive strain is placed on the shorter leg N b. the shorter leg may fail N c. the longer leg is slack Y d. All of the above 601: Your vessel has completed an inspection for certification and is issued a temporary certificate. This __________.
N a. expires six months after it is issued N b. must be exchanged for a regular Certificate of Inspection before going foreign or out of state Y c. has the full force of a regular Certificate of Inspection N d. must be posted in the vicinity of the officers' licenses 670: You must evacuate a seaman by helicopter lift. Which statement is TRUE?
N a. The ship should be stopped with the wind off the beam while the helicopter is hovering overhead. N b. The basket or stretcher must not be allowed to touch the deck. N c. The tending line of the litter basket should be secured to the ship beyond the radius of the helicopter blades. Y d. The hoist line should be slack before the basket or stretcher is hooked on. 813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .
N a. offshore supply vessel over 200 gross tons N b. passenger vessel of 295 gross tons Y c. uninspected towing vessel of less than 200 gross tons N d. inspected towing vessel of 305 gross tons 843: If the Master of a US-flag towing vessel replaces any crew member with a non-US citizen, he/she must ensure that the ___________ .
N a. replacement holds a license or document equivalent in experience and training to a mariner holding US credentials N b. replacement can communicate with other crew members to the extent required by regulations N c. vessel is on a foreign voyage, outside US jurisdiction, and not operating above the US outer continental shelf Y d. all of the above 848: You are loading a cargo of canned goods with a stowage factor of 65. If you allow 15% for broken stowage, how many tons can be loaded in a space of 55,000 cubic feet?
N a. 687 Y b. 719 N c. 846 N d. 973 862: The term "pintle" and "gudgeon" are associated with the __________.
N a. anchor windlass N b. jumbo boom Y c. rudder N d. steering engine 879: Centrifugal pumps have what advantage(s) over reciprocating pumps?
N a. They are less expensive. N b. They are smaller for equivalent pumping ability. N c. They pump more cargo in less time. Y d. All of the above 886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?
N a. Your speed will significantly increase. N b. Your draft will significantly decrease. Y c. Your bow will sheer towards the other vessel. N d. Your bow will sheer away from the other vessel. 987: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. N c. Put the rudder amidships and hold the heading steady as she goes. Y d. Put the rudder over to the opposite side, the same number of degrees it is now. 1082: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. backing wire Y b. scissor wire N c. face wire N d. breast wire 1166: You are 15 feet off a pier and docking a vessel using only a bow and stern breast line. Once the slack is out of both lines you begin to haul in on the bow breast line. What is the effect on the vessel?
N a. The bow will come in and the stern will go out. N b. The whole ship moves toward the pier. Y c. The bow will come in and the stern will remain the same distance off the pier. N d. The stern will come in and the bow will remain the same distance off the pier. 1181: Uncleared crew curios remaining on board during a domestic coastwise voyage after returning from foreign should be __________.
N a. listed in the Official Logbook N b. cleared prior to the next foreign voyage Y c. noted in the Traveling Curio Manifest N d. retained under locked security by the owner 1240: Bilge keels are fitted on ships to __________.
N a. assist in dry dock alignment N b. improve the vessel's stability N c. protect the vessel from slamming against piers Y d. reduce the rolling of the vessel 1242: You are a watchstanding mate and have come to the bridge to relieve the watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change Y b. during a navigational course change N c. unless the helm is in the "hand" mode N d. All of the above 1312: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. stern line N b. forward spring line Y c. after spring line N d. waist breast line 1401: A clause in the charter party requires a vessel's owner to pay dispatch money when the vessel __________.
N a. changes berths to expedite loading or discharging N b. does not load and discharge its cargo in the time specified N c. is not ready to load or discharge cargo Y d. loads and discharges its cargo in less time than specified 1434: In the manufacture of wire rope, if the wires are shaped to conform to the curvature of the finished rope before they are laid up, the rope is called __________.
N a. composite N b. left-lay N c. improved Y d. preformed 1583: Which statement concerning a short splice is TRUE?
N a. It is used to temporarily join two lines together. Y b. A short splice is stronger than two lines joined by a knot. N c. A short splice decreases the diameter of the line. N d. None of the above 1642: Which illustration represents a carrick bend? (DO30DG )
N a. H N b. J N c. L Y d. M 1670: The term "strake" is used in reference to __________.
N a. rudder mountings N b. anchor gear Y c. hull plating N d. vessel framing 1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.
N a. International Maritime Organization N b. Corps of Engineers Y c. Coast Guard N d. American Bureau of Shipping 1679: Manila slings should not be used to load __________.
N a. cotton N b. lumber Y c. steel N d. tires 1835: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.
Y a. Radio Aids to Navigation (PUB 117) N b. the Coast Pilot N c. the International Code of Signals (PUB 102) N d. the Light List 1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.
Y a. the towing vessel should slip first N b. the vessel towed should slip first N c. they should slip simultaneously N d. either vessel may slip first 1930: The holding capabilities of an anchor are determined PRIMARILY by the __________.
N a. design of the anchor N b. weight of the anchor Y c. scope of the anchor chain N d. size of the vessel 2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?
N a. 3.90 sq. ft N b. 8.67 sq. ft Y c. 34.77 sq. ft N d. 50.27 sq. ft 2282: Using the graph in illustration D008DG, if the dry bulb temperature is 77° and the wet bulb temperature is 69°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 67% N b. 70% N c. 77% N d. 81% 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 2302: What is NOT required to be approved or certified by the U.S. Coast Guard before being used on inspected vessels?
N a. Lifesaving equipment that is in excess of the regulatory minimum N b. Ship's stores that are Class A poisons or Class A explosives Y c. Steel plate used in hull construction N d. EPIRBs 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. 2384: What is the volume of a sphere with a radius of 3 feet?
Y a. 113.08 cubic ft. N b. 96.57 cubic ft. N c. 37.69 cubic ft. N d. 28.23 cubic ft. 2391: Determine the weight of a rectangular piece of 40.8 lbs. steel measuring 3 feet by 5 feet.
N a. 326.4 lbs N b. 453.6 lbs Y c. 612.0 lbs N d. 1224.0 lbs 2652: You are using the anchor to steady the bow while maneuvering. You have the proper scope of anchor cable when the __________.
Y a. bow is held in position with the engines coming slowly ahead N b. anchor is just touching the bottom N c. scope is not more than 5 times the depth of the water N d. cable enters the water at an angle between 60° and 85° from the horizontal 2960: When cutting wire rope, seizings are put on each side of the cut. The seizings prevent the wire from unlaying and also __________.
Y a. maintain the original balance of the tension in the wires and strands N b. prevent moisture from entering between the wires at the cut end N c. forces lubricant from the core to protect the raw, cut end N d. All of the above 2977: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
Y a. P (PRIORITY) N b. Z (FLASH) N c. R (ROUTINE) N d. O (IMMEDIATE) 3062: How should you signal the crane operator to swing?
N a. With both arms extended out and palms down, move arms back and forth. N b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. Y c. Extend arm and point finger in the direction to move the boom. N d. Place both fists in front of the body with the thumbs pointing outward. 3144: A tow consists of 8 barges: 6 jumbo barges made up 3 abreast and 2 long, with 2 standard barges abreast as lead barges. How long is this tow?
N a. 525 feet N b. 545 feet Y c. 565 feet N d. 595 feet 3340: It is NOT advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too difficult to make fast N c. parts too readily N d. is too susceptible to mildew 3489: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?
N a. 1 inch N b. 1 3/8 inch N c. 1 1/2 inch Y d. 1 7/8 inch 4072: How should you signal the crane operator to stop in an emergency?
N a. Extend arm with the palm down and hold this position rigidly. N b. Place clasped hands in front of your body. Y c. Extend arm and move hand rapidly right and left with the palm down. N d. Place both fists in front of the body with the thumbs pointing outward. 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 4185: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
N a. Drape along brackets N b. Hang vertically in a sheltered area N c. Stow in bins at hatch coming side Y d. All of the above 4269: Which action(s) should the operator of a pedestal crane take if crane control is lost?
N a. Let go of both control levers and return to neutral position. N b. Press the emergency stop. N c. Notify the mate on watch. Y d. All of the above