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.
17: The mooring line labeled "E" is called a(n) __________. (DO44DG )
Y a. bow spring line N b. aft spring line N c. forward breast line N d. bow line 67: 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 __________.
Y a. civilly charged and fined N b. criminally charged and jailed N c. held personally liable by the victim and sued N d. All of the above are correct. 68: Odorous cargoes are those that __________.
N a. are susceptible to damage by tainting N b. are exceptionally dusty and leave a residue N c. are liquid, but in containers Y d. give off fumes that may damage other cargoes 156: When heading on a course, you put your rudder hard over. The distance traveled parallel to the direction of the original course from where you put your rudder over to any point on the turning circle is known as __________.
Y a. advance N b. head reach N c. tactical diameter N d. transfer 203: 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. N b. It pushes the entire vessel away from the bank. Y c. It pulls the stern toward the bank. N d. It heels the vessel toward the bank. 268: When a deck cargo is secured with chain or wire lashings and grab (pear) links, which statement is FALSE?
Y a. The amount of take-up is limited by the length of the turnbuckle. N b. At the grab (pear) link, the slack end of chain should be led back and secured to the chain above the link. N c. The lashings should be inspected each day and any slack taken up. N d. The turnbuckle should be secured with a stick or lock nuts. 272: When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.
N a. one meter from the tank bottom and one meter below the tank top Y b. one half the ullage of the tank and one meter below the tank top N c. one half the ullage of the tank and one meter above the tank bottom N d. at three meter intervals from the tank top to the bottom 304: To warp a vessel means to __________.
N a. anchor the vessel N b. bring the head into the wind N c. clean the decks Y d. move the vessel by hauling on lines 307: Which type of chemical testing is NOT required of merchant marine personnel?
N a. Pre-employment N b. Periodic N c. Random Y d. Annual 355: Generally, you can best keep a vessel under steering control when the vessel has __________.
Y a. headway N b. sternway N c. no way on, with engines stopped N d. no way on, with engines full ahead 385: In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator?
N a. The clean tanks should be ballasted. Y b. The slops should be allowed time to settle. N c. Chemicals should be added to emulsify the oil. N d. The dirty ballast tank is crude oil washed. 417: When inspecting wire rope that has been in use for some time, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 452: Where should the foundation supports for towing bitts terminate?
N a. Forward of the towing winch Y b. In the frames or other substantial structural members below decks N c. On the deck plates in the engineroom N d. On deck, aft of the towing winch 468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.
N a. air temperature is higher than the temperature of the cargo N b. air temperature is lower than the temperature of the cargo Y c. dew point is higher than the temperature of the cargo N d. dew point is lower than the temperature of the cargo 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 496: Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
Y a. go to port N b. go to starboard N c. remain stationary N d. suddenly drop down 518: Which factor is MOST important in preventing sweat damage within a cargo hold?
Y a. Dew point of the cargo hold N b. Dew point of the outside atmosphere N c. Outside air temperature N d. Temperature of the cargo 660: You receive word that a person has fallen overboard from the starboard side. You should FIRST __________.
N a. notify the Master Y b. put the wheel hard right N c. put the engines full astern N d. sound the man overboard alarm 707: Is tripping limited to harbor and coastal towing?
Y a. No! Forces tending to capsize a tug are as dangerous on the high seas as they are in harbor and coastal work. N b. Yes! The long towing hawser used in ocean towing eliminates the danger of tripping. N c. No! Tripping is common in ocean towing because of more frequent maneuvering N d. Yes! Because of increased water depths, forces required to capsize a tug are not usually found in ocean towing 715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective 715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective 736: You notice that your speed has decreased, the stern of your vessel has settled into the water, and your rudder is sluggish in responding. The MOST likely cause is __________.
N a. mechanical problems with the steering gear Y b. shallow water N c. loss of lubricating oil in the engine N d. current 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 961: Which log includes a statement of the conduct, ability, and character of each crew member on the completion of a voyage?
Y a. Official Logbook N b. Department Logbook N c. Crew Logbook N d. Smooth Logbook 974: The "Port-Off-Stbd" selector switch on an autopilot steering stand is used to __________.
N a. change from hand electric steering to automatic gyro Y b. change over one steering system to the other N c. change over hand electric steering to non-followup N d. change over the port to the starboard bow thruster 1056: In which situation could a vessel most easily capsize?
N a. Running into head seas Y b. Running in the trough N c. Running with following seas N d. Anchored with your bow into the seas 1157: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" Y b. "Passing 150°" N c. "Checked" N d. "Eased to 5° rudder" 1217: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite Y b. draw a line through the entry, rewrite, and initial the correction N c. draw several lines through the entry, rewrite, and initial the correction N d. completely black out the entry, rewrite, and initial the correction 1515: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 30 minutes to 1 hour N b. 1 to 6 hours Y c. 3 hours to start of business the following day N d. 10 minutes if possible 1616: In moderate wind and current what should be the length of chain with a single anchor?
Y a. 5 times the depth of the water in good holding ground N b. 10 times the depth of the water in shallow water N c. 2 times the depth of the water in poor holding ground N d. 8 times the depth of the water in deep water 1752: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2199 on it. This indicates that it is carrying what cargo?
N a. Furan Y b. Phosphine N c. Adiponitrile N d. Xylenol 1875: A seam is indicated by which letter in illustration D033DG? (D033DG )
Y a. E N b. H N c. L N d. M 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 1923: Disregarding friction, a twofold purchase when rove to disadvantage has a mechanical advantage of __________.
N a. 2 N b. 3 Y c. 4 N d. 5 2005: A block that can be opened at the hook or shackle end to receive a bight of the line is a __________.
N a. bight block N b. gin block N c. heel block Y d. snatch block 2015: During a period of "whiteout", you should expect which of the following?
N a. Snowfall or blowing snow Y b. Lack of ability to estimate distance N c. Harsh contrast between sun-illuminated snow cover and the background N d. Hazy horizons with extensive mirage effects 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 2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?
N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity. Y b. Refuse to sign a Clean Bill of Lading. N c. Sign the Clean Bill of Lading and have the agent countersign it. N d. Sign a Clean Bill of lading under protest. 2267: The knot lettered K in illustration DO30DG is a __________. (DO30DG )
Y a. sailmaker's whipping N b. carrick bend N c. barrel hitch N d. stopper 2316: A lookout can leave his/her station __________.
N a. at any time N b. at the end of the watch N c. 15 minutes before the end of the watch Y d. only when properly relieved 2462: Which term describes a part of a natural fiber line?
N a. Twines Y b. Fibers N c. Lays N d. Lacings 2508: What is required to launch a boat stowed in a crescent davit?
N a. Hoist the boat clear of the cradle. N b. Release the outboard part of the cradle. N c. Rig the tricing lines. Y d. Crank the crescent out. 2596: A person who sees someone fall overboard should __________.
N a. immediately jump into the water to assist the individual Y b. call for help and keep the individual in sight N c. run to the radio room to send an emergency message N d. go to the bridge for the distress flares 2702: How long is the standard container used to measure equivalent units?
N a. 10 feet (3 meters) Y b. 20 feet (6 meters) N c. 35 feet (11 meters) N d. 40 feet (12 meters) 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 2894: The term "Great Lakes", as defined by the Inland Rules of the Road, includes part of the __________.
N a. Calumet River N b. Chicago River N c. St. Lawrence River Y d. All of the above 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 2990: When cutting regular-lay wire rope, what is the minimum number of seizings to be placed on each side of the cut?
N a. One N b. Two, and three on rope diameters over 1 inch Y c. Three, and more on larger diameter wire ropes N d. Four 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 3030: The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a __________.
N a. cargo fill Y b. line drop N c. transfer N d. branch line 3074: In securing a towing cable, consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by __________.
N a. increasing the shaft RPM prior to release N b. using a pelican hook for quick release Y c. using preventers N d. using a short chain for the lead through the stern chock 3102: When hip towing, a line led from the stern of the towboat forward to the barge provides the towing pull when __________.
N a. going ahead N b. dead in the water N c. in a following current Y d. backing 3240: You are the operator of a towing vessel which becomes involved in a collision. By law you must assist __________.
N a. if your vessel is at fault N b. if you can do so without excessive delay Y c. if you can do so without serious danger to your vessel N d. regardless of the circumstances 3464: The ultimate or maximum strength of a wire rope is referred to as the __________.
N a. operating strength N b. working load Y c. breaking strength N d. lifting load 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3588: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud N c. sand Y d. rock 3600: A helmsman receives the command "Right 15 degrees rudder." The helmsman's IMMEDIATE reply should be __________.
N a. "Aye Aye Sir" Y b. "Right 15 degrees rudder" N c. "Rudder is right 15 degrees" N d. No reply is necessary, just carry out the order 4144: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever N b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Ratchet tensioner 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All of the above 4214: What does a jib refer to on a crane?
Y a. Boom N b. Topping lift N c. Control cab N d. Slewing control