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.
5: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.
N a. give full left rudder Y b. give full right rudder N c. put the rudder amidships N d. throw a life ring to mark the spot 28: The stowage factor for a cargo is based upon __________.
N a. one short ton N b. one short metric ton Y c. one long ton N d. one long metric ton 90: You are on a multiple-product chemical tanker. The loading plan includes cargoes of diethylenetriamine and formamide. Which statement concerning the stowage of these cargoes is TRUE?
N a. They must be separated by a void space or empty tank. N b. The cargoes must have individual venting systems. N c. The valves in common piping systems must be chained closed and locked. Y d. The minimum segregation required is a single bulkhead. 126: The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the __________.
Y a. advance N b. drift angle N c. pivoting point N d. transfer 188: Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?
N a. Canned soups packaged in crates N b. Cardboard cartons of shoes N c. Paper products packaged in rolls Y d. Refrigerated fruit that is ripening 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 345: What does the helm command "shift the rudder" mean?
N a. Put the rudder amidships and hold the heading steady as she goes. Y b. Put the rudder over to the opposite side, the same number of degrees it is now. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 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 577: You are signing on a crew. A man presents a Merchant Mariner's Document that you suspect has been tampered with. Which action should you take?
N a. Confiscate the document and deliver it to the Coast Guard. N b. Sign the man on and notify the Coast Guard at the first U.S. port of call. Y c. Refuse to sign the man on articles until authorized by the Coast Guard. N d. Refuse to sign the man on and notify the FBI of unauthorized use of a federal document. 634: The "iron mike" is a(n) __________.
N a. pilot N b. speaker N c. standby wheel Y d. automatic pilot 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 664: Coiling new rope against the lay, bringing the lower end up through the center of the coil, then coiling with the lay, in order to remove the kinks, is known as __________.
N a. coiling N b. faking N c. flemishing Y d. thoroughfooting 704: Laying out a line in successive circles flat on deck with the bitter end in the center is known as __________.
N a. coiling N b. faking Y c. flemishing N d. lining 810: In nautical terminology a "dog" is a __________.
N a. crow bar Y b. device to force a water tight door against the frame N c. heavy steel beam N d. wedge 819: Which pump must be primed?
N a. Rotary pump N b. Reciprocating pump Y c. Centrifugal pump N d. All of the above 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 882: The owner or Master of a towing vessel that tows astern must keep records of the towline(s) that include all of the following information EXCEPT _____________ .
N a. the towline's initial minimum breaking strength as determined by the manufacturer Y b. an invoice showing the cost of the towline N c. the towline's nautical miles of use or time in service N d. the history of loading of the towline 916: A condition where two currents meet at the downstream end of a middle bar can be determined by a __________.
N a. small whirlpool N b. smooth patch of water Y c. V-shaped ripple with the point of the V pointing downstream N d. V-shaped ripple with the point of the V pointing upstream 937: When towing astern, you notice that another vessel is about to pass between the towing vessel and the tow. You should immediately __________.
N a. turn away from the approaching vessel N b. shine a spotlight in the direction of the approaching vessel N c. sever the towline Y d. slow down and pay out the main tow hawser 1001: Which is supplied to the vessel by the U.S. Coast Guard?
N a. Bell book N b. Cargo gear register Y c. Official Logbook N d. Rough Logbook 1123: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
N a. the Light List N b. the Coast Pilot N c. the International Code of Signals (PUB 102) Y d. Radio Aids to Navigation (PUB 117) 1165: The Muster List ("Station Bill") shows each person's lifeboat station, duties during abandonment, basic instructions, and __________.
Y a. all emergency signals N b. instructions for lowering the lifeboats N c. the time each weekly drill will be held N d. work schedule 1209: When cargo is being worked using a Burton or married fall system, which part of the cargo gear is most likely to fail?
N a. Boom N b. Gooseneck Y c. Guy tackle N d. Topping lift 1269: What is meant by the term "topping the boom"?
N a. Lowering the boom Y b. Raising the boom N c. Spotting the boom over the deck N d. Swinging the boom athwartships 1384: The wire rope used for cargo handling on board your vessel has a safe working load of eight tons. It shall be able to withstand a breaking test load of __________.
N a. 32 tons Y b. 40 tons N c. 48 tons N d. 64 tons 1444: If kinking results while wire rope is being coiled clockwise, you should __________.
N a. coil it counterclockwise N b. not coil it Y c. take a turn under N d. twist out the kinks under a strain 1561: The Master of any vessel bound on a voyage must apply to a district court when an allegation of unseaworthiness has been made to the Master by __________.
N a. any member of the crew of the vessel N b. any two officers of the vessel and a majority of the crew Y c. the First and Second Officers of the vessel or a majority of the crew N d. the First Officer of the vessel 1606: To safely anchor a vessel there must be sufficient "scope" in the anchor cable. Scope is the ratio of __________.
N a. weight of cable to weight of vessel N b. weight of cable to weight of anchor N c. length of anchor to depth of water Y d. length of cable to depth of water 1612: Which of the pictures in illustration DO30DG represents a stopper? (DO30DG )
N a. E Y b. N N c. R N d. S 1646: What is the normal length of anchor cable used to anchor a vessel?
N a. An amount equal to the depth of the water N b. Two times the depth of water N c. Three to four times the depth of water Y d. Five to seven times the depth of water 1742: You should conduct a sector search under which of the following circumstances?
Y a. The search target is sighted and then lost. N b. More than one vessel is available for a search. N c. The search object is a target that will be readily detected by radar. N d. An aircraft is available to assist a surface vessel. 1776: When anchoring in calm water, it is best to __________.
N a. maintain slight headway when letting go the anchor N b. wait until the vessel is dead in the water before letting go the anchor Y c. have slight sternway on the vessel while letting go the anchor N d. let the anchor go from the stern with the anchor cable leading from the bow 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 1901: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this transmission?
N a. O (IMMEDIATE) N b. Z (FLASH) N c. P (PRIORITY) Y d. R (ROUTINE) 1924: The knot lettered I as shown is a __________. (DO30DG )
N a. square knot N b. round knot Y c. bowline on a bight N d. timber hitch 1995: The single turn method of returning to a man overboard should be used ONLY if __________.
N a. the man is reported missing rather than immediately seen as he falls overboard Y b. the vessel is very maneuverable N c. the conning officer is inexperienced N d. a boat will be used to recover the man 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 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 2064: While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?
N a. figure eight turn N b. Round turn N c. Racetrack turn Y d. Williamson turn 2201: When referring to dry bulk cargoes, the term "flow state" __________.
N a. designates the state of a commodity when the ship is heeled past the angle of repose N b. relates to the suitability of loading a cargo by flowing down inclined chutes Y c. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid N d. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30° 2219: You are using tackle number 5 to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 50 lbs. N b. 75 lbs. Y c. 90 lbs. N d. 112 lbs. 2233: The knot lettered N as shown is a __________. (DO30DG )
N a. timber hitch N b. rolling bowline Y c. stopper N d. heaving line hitch 2234: Keeping certain cargoes separated because of their inherent characteristics is known as __________.
N a. overstowage Y b. segregation N c. spot loading N d. cargo typing 2299: You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?
Y a. All of these cargoes are compatible. N b. Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote. N c. All of these cargoes are incompatible. N d. Ethylenediamine is compatible with isophorone but both are incompatible with creosote. 2361: The BEST information on the nature and extent of damage to the vessel is obtained from __________.
N a. alarms and monitoring devices N b. the engineroom watch Y c. personnel at the scene of the damage N d. the bridge watch 2394: Determine the area of a triangle with a base of 3.5 feet and a height of 4.0 feet.
Y a. 7.0 square ft. N b. 7.5 square ft. N c. 11.5 square ft. N d. 14.0 square ft. 2490: The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by __________.
N a. using a small scope ratio Y b. replacing that portion with a short length of chain N c. using a hockle to keep that portion of the anchor line off the bottom N d. using a synthetic line 2759: Which of the Great Lakes is most affected by short-term Lake level fluctuations?
N a. Lake Superior N b. Lake Michigan N c. Lake Huron Y d. Lake Erie 2886: How should you signal the crane operator to lower?
N a. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. N c. Extend arm and point finger in the direction to move the boom. N d. Extend arm with thumb pointing downward, and flex fingers in and out. 2931: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 10 minutes if possible N c. 1 to 6 hours N d. 30 minutes to 1 hour 3026: Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?
N a. Steam fog Y b. Advection fog N c. Radiation fog N d. Lake effect fog 3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?
N a. "I am going ahead; follow me." N b. "You should stop your vessel instantly." Y c. "Icebreaker support is now commencing." N d. "Icebreaker support is finished." 3130: What is NOT required on an uninspected towing vessel?
N a. Certificate of Documentation Y b. Certificate of Inspection N c. Operators Merchant Marine license N d. FCC Station License 3208: 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. 72.42 numeral Y b. 78.98 numeral N c. 83.46 numeral N d. 91.48 numeral 3339: Pitching is angular motion of the vessel about what axis?
N a. Longitudinal Y b. Transverse N c. Vertical N d. Centerline 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 3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.
N a. 24 hours N b. 18 hours Y c. 12 hours N d. 6 hours 3710: A new crewman reports on board. He must be trained in the use of the ship's lifesaving appliances within what time period?
N a. 2 months N b. 1 month Y c. 2 weeks N d. Before sailing 4032: The pivot pin at the base of a sheath-screw boom davit must be __________.
N a. inserted each time before the booms are cranked out Y b. periodically removed for inspection and lubricated N c. replaced at each inspection for certification N d. in the locked position after the boat is cradled and griped down 4126: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
Y a. Number, position and angle of lashings N b. Vessel's draft N c. Port of origin N d. ABS requirements