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. 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. 18: To determine the weight capacity of a deck in a cargo hold, you would refer to the __________.
N a. deadweight scale Y b. deck capacity plan N c. cubic capacity tables N d. general arrangement plan 36: The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as __________.
N a. advance Y b. head reach N c. surge N d. transfer 101: You can safely step in the bight of a line __________.
N a. when it is not under strain N b. if both ends are made fast N c. in an emergency Y d. at no time 141: On a sea going towing vessel of 150 gross tons, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?
N a. 1 N b. 2 N c. 3 Y d. 4 185: Before a Master relieves a Pilot of the conn, the __________.
Y a. Master should foresee any danger to the vessel on the present course N b. vessel must be in extremis N c. Master should agree to sign a release of liability form N d. Master must first request the Pilot to take corrective action 185: Before a Master relieves a Pilot of the conn, the __________.
Y a. Master should foresee any danger to the vessel on the present course N b. vessel must be in extremis N c. Master should agree to sign a release of liability form N d. Master must first request the Pilot to take corrective action 235: Which ending is NOT acceptable in a wire rope that is free to rotate when hoisting?
N a. Poured socket Y b. Liverpool eye splice N c. Eye formed with a pressure clamped sleeve N d. Eye formed by clips 281: Which action will take place if a crew member is replaced in a U.S. port after foreign articles have been signed, and the ship proceeds foreign?
N a. The Master will remove the replaced man's name from the Certified Crew List but not from the articles. Y b. The name of the new man is added to the articles but not to the Certified Crew List. N c. The U.S. Consul will remove the replaced man's name from the Certified Crew List. N d. The U.S. Consul will add the new man's name to the Certified Crew List. 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 469: With an increase in temperature the volume of flammable and combustible liquids __________.
Y a. expands N b. contracts N c. remains constant N d. remains constant if pressure remains constant 490: Which agency is authorized to assist the Coast Guard in the inspection of vessels for the suitability of loading hazardous materials?
N a. American Bureau of Shipping N b. Environmental Protection Agency Y c. National Cargo Bureau, Inc. N d. U.S. Navy explosive loading details 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 556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
N a. both engines ahead and helm N b. one engine only Y c. port engine ahead and the starboard engine astern N d. both engines astern and use helm 583: Which factor(s) must you consider when making up a towing bridle?
N a. The horsepower of the tug N b. The desired amount of swing in the tow hook up N c. The weight of the tow Y d. All of the above 642: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. offshore stern line Y b. inshore stern line N c. after spring line N d. after breast line 663: While towing astern, if your towing hawser becomes taut it results in __________.
N a. more catenary in the towing hawser Y b. less catenary in the towing hawser N c. more yaw N d. less yaw 677: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. forward spring line Y b. after spring line N c. waist breast line N d. stern line 691: On U.S. flag vessels, which certificate is always issued by the Coast Guard?
N a. Load Line Certificate Y b. Safety Equipment Certificate N c. Safety Construction Certificate N d. Register of cargo gear 702: When paying off seamen in a foreign port, where a United States consul is not available, the release must be executed by the seamen and the __________.
N a. representative of the foreign country N b. local port authority representative Y c. Master of the vessel N d. ship's union delegate 710: Which statement is FALSE, concerning the Williamson turn?
N a. In a large vessel (VLCC) much of the headway will be lost thereby requiring little astern maneuvering. N b. When the turn is completed, the vessel will be on a reciprocal course and nearly on the original track line. N c. The initial actions are taken at well defined points and reduce the need for individual judgment. Y d. The turn will return the vessel to the man's location in the shortest possible time. 774: The strongest of the natural fibers is __________.
N a. cotton N b. hemp Y c. manila N d. sisal 880: The projecting lugs of the rudderpost which furnish support to the rudder are called __________.
N a. bases Y b. gudgeons N c. pintles N d. rudder lugs 897: Which factor(s) might indicate that a towline should be removed from service?
N a. Visible damage to the towline, including fishhooks. N b. Measurements showing a decrease in diameter. N c. A surface condition of corrosion and discoloration. Y d. All of the above 1323: "Ease the rudder" means to __________.
Y a. decrease the rudder angle N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships N d. steer the course which is your present heading 1374: Which type of stopper should be used to stop off wire rope?
Y a. Chain N b. Manila N c. Polypropylene N d. Wire 1541: Which act would be considered barratry?
N a. A criminal act committed by a crew member ashore in a foreign port Y b. A criminal act committed by the ship Master in violation of his duty to the shipowner N c. Theft of cargo by longshoremen N d. Smuggling with the connivance of the shipowner 1575: The key to rescuing a man overboard is __________.
N a. good communication N b. a dedicated crew N c. good equipment Y d. well-conducted drills 1595: Which picture represents a barrel hitch? (DO30DG )
Y a. O N b. U N c. E N d. P 1624: Which kind of hitch should you use to secure a spar?
N a. Blackwall hitch N b. Stage hitch Y c. Timber hitch N d. Two half hitches 1632: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
Y a. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel. N b. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N c. A seaman is injured and in the hospital for four days. N d. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. 1683: "Herringbone" is a term associated with __________.
N a. anchoring N b. mooring Y c. sewing N d. splicing 1707: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. What precedence would you assign this message?
N a. R (ROUTINE) N b. Z (FLASH) N c. P (PRIORITY) Y d. O (IMMEDIATE) 1717: With a large tow astern, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. tow broaching 1818: When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?
N a. If one engine fails, you do not lose control of the tow. N b. It is more maneuverable. Y c. It develops more bollard pull for the same horsepower. N d. It is generally subject to more propeller damage from debris in the water. 1915: A butt is indicated by which letter? (D033DG )
N a. J N b. F N c. E Y d. D 1919: The disadvantage of using three strand nylon line for towing is its __________.
N a. inherent weakness N b. tendency to rot if left damp Y c. danger to crew if it parts N d. strength and shock absorbing abilities 1993: The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is __________.
N a. coiling the line Y b. faking down the line N c. flemishing the line N d. racking the line 2070: Which statement about the Williamson turn is FALSE?
Y a. It requires the highest degree of shiphandling skills to accomplish. N b. It is the slowest of the methods used in turning the vessel. N c. It is the best turn to use when the victim is not in sight due to reduced visibility. N d. It returns the vessel to the original track-line on a reciprocal course. 2075: The knot lettered E is a __________. (DO30DG )
N a. stopper hitch N b. blackwall hitch Y c. timber and half hitch N d. bowline on a bight 2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.
Y a. anchor may be dropped from the hawsepipe N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered N d. scope should be less than 3 times the depth of the water 2228: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed. Based on this data what is the transfer for a turn of 60°? (D035DG )
Y a. 140 yards (126 meters) N b. 180 yards (162 meters) N c. 225 yards (203 meters) N d. 270 yards (243 meters) 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. 2569: When discharging an oil cargo, the first consideration is to __________.
Y a. get the bow up N b. discharge from the wings first N c. discharge from the centerline tanks first N d. discharge from amidships first 2619: On the Great Lakes, the term "controlling depth" means the __________.
N a. designed dredging depth of a channel constructed by the Corps. of Engineers N b. minimum amount of tail water available behind a dam N c. distance in units of the chart (feet, meters or fathoms) from the reference datum to the bottom Y d. least depth within the limits of the channel which restricts the navigation 2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 16 2802: The single line located directly above the diamond is the __________. (D031DG )
N a. load line N b. water line N c. freeboard line Y d. deck line 2957: Your vessel is to dock bow in 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 N b. Inshore head line N c. Stern breast line Y d. Bow spring line 3014: You are lifting a 3 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 1/8 inch Y b. 1 1/2 inch N c. 1 3/4 inch N d. 2 inch 3069: Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.
N a. require loading operations to be shut down until the atmosphere clears N b. are toxic to human life N c. are subject to spontaneous combustion Y d. may be explosive in some concentrations 3112: A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is __________.
N a. from the ship's propeller when making up aft N b. from being overrun if making up forward N c. hull damage while alongside passing a hawser Y d. getting in a tripping position 3450: Kort nozzles are installed around the propellers of some vessels to __________.
Y a. increase the thrust of the propeller N b. protect the propeller from striking sawyers N c. prevent the propeller from striking barges towed on the hip N d. prevent the propeller from touching bottom in low water 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 3508: A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you, you should secure the line __________.
N a. to the base of the foremast Y b. to the forward-most bitts N c. to the forward part of the deckhouse N d. at the stern 3560: What should look-outs report?
N a. Discolored water N b. Shoals N c. Floating objects Y d. All of the above 4064: Which statement concerning castor oil is TRUE?
N a. It has a Reid vapor pressure of 9.5. N b. It has a specific gravity of 1.3. N c. The boiling point is 215°F (102°C). Y d. It is a grade E combustible liquid. 4173: What should be done before energizing the cargo hold ventilation on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Call out the deck department for all hands. N b. Notify the boarding agent. Y c. Notify the engine room. N d. All of the above 4202: Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?
N a. One crane is able to work both sides of the ship. N b. One crane is able to work one end of two adjacent hatches. N c. They are more economical and weigh less. Y d. All of the above 4249: Which action(s) are included in crane operations?
N a. Pre-operation of the anchor windlass N b. Preparing steam on deck Y c. Luff, slew, and hoist operations N d. All of the above