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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 73: Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called __________.
Y a. floors N b. intercostals N c. girders N d. stringers 80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?
N a. If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. N b. If the tanks are off loaded, no more than two tanks may be lifted together in a hoist. N c. When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored. Y d. All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe. 96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
N a. advance N b. pivoting point Y c. tactical diameter N d. kick 162: Oil may NOT be transferred unless __________.
N a. there are two certificated tankermen on each vessel N b. the vessel is equipped with constant-tension winches Y c. discharge containment equipment (i.e. drip pans) are in place N d. All of the above 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 302: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?
N a. You must have two toxic vapor detectors or the pumproom must meet special requirements. N b. Each crew member must be provided with an emergency escape breathing apparatus. Y c. A person taking cargo samples must wear protective clothing. N d. If you are carrying propionic acid also, the venting systems must be segregated. 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. 525: To lay out a towing hawser in a fore-and-aft direction so each bight is clear and can run out freely without snagging describes __________.
N a. flemishing Y b. faking N c. spooling N d. worming, parceling and serving 596: Before entering an ice area, the ship should be __________.
N a. either trimmed by the head or the stern N b. on an even keel N c. trimmed down by the head Y d. trimmed down by the stern 617: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. onshore stern line Y b. offshore stern line N c. after breast line N d. after spring line 627: Your ship is steaming at night with the gyro-pilot engaged when you notice that the vessel's course is slowly changing to the right. What action should you take FIRST?
Y a. switch to hand steering N b. shift steering to the emergency steering station N c. call the Master N d. notify the engineroom 633: A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when __________.
Y a. directly astern and pushing the tow N b. towing on a hawser N c. towing alongside and parallel to the vessel it is towing N d. towing on the hip 658: When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.
N a. along the centerline N b. toward the forward bulkhead of the forward holds and toward the after bulkhead of the after holds Y c. toward the after bulkhead of the forward holds and the forward bulkhead of the after holds N d. toward the after bulkhead of all holds 665: The catenary __________.
N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow N b. gives an approximation of the amount of strain on the towing hawser N c. is the dip in the towing hawser between the tug and the tow Y d. All of the above 746: Which effect does speed through the water have on a vessel which is underway in shallow water?
N a. A decrease in the speed results in a decrease in steering response and maneuverability. Y b. An increase in speed results in the stern sucking down lower than the bow. N c. An increase in speed results in the vessel rising on an even plane. N d. A decrease in speed results in the vessel sucking down on an even plane. 759: The equipment used to control, protect and connect a towline is called ___________ .
N a. cat head Y b. terminal gear N c. level wind N d. poured socket 768: A cargo of canned foodstuff is packed in cartons. Each carton is 36 cubic feet and weighs 340 pounds. The stowage factor of the cargo is __________.
N a. 9.5 N b. 62 N c. 212 Y d. 237 1048: You are the person in charge of a vessel involved in a marine casualty. You must notify the nearest Coast Guard Marine Inspection Office if the property damage is over __________.
N a. $1,500 N b. $10,000 Y c. $25,000 N d. $50,000 1075: You are standing wheelwatch on entering port, and the Master gives you a rudder command that conflicts with a rudder command from the Pilot. What should you do?
N a. Obey the Pilot Y b. Obey the Master N c. Ask the Pilot for guidance N d. Bring the rudder to midships 1198: The most probable position of the object of a search at any given time is the __________.
Y a. datum position N b. incident position N c. reported position N d. dead-reckoning position 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1262: You are the Master of a 500-gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.
N a. Coast Guard, only if the grounding results in damage to property in excess of $25,000 N b. Coast Guard, only if the grounding results in a loss of life N c. Coast Guard, only if the grounding results in injury to personnel Y d. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1311: Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit for each __________.
N a. alien crewmember N b. crew member Y c. nonresident alien crewmember N d. unlicensed crew member 1426: Forty-five fathoms is marked on the anchor chain by __________.
N a. one turn of wire on the first stud from each side of the detachable link N b. two turns of wire on the second stud from each side of the detachable link Y c. three turns of wire on the third stud from each side of the detachable link N d. four turns of wire on the fourth stud from each side of the detachable link 1500: Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure?
N a. Tearing through the member is more likely in this type connection. N b. The weld may be broken by the stresses caused by riveting. N c. The weld increases the tensile stress on the rivet heads. Y d. The welding must be completed before the riveting commences. 1512: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
N a. R (ROUTINE) N b. Z (FLASH) Y c. O (IMMEDIATE) N d. P (PRIORITY) 1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.
N a. the same ratio N b. more chain for each fathom of depth Y c. less chain for each fathom of depth N d. two anchors with the same ratio of chain 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. 1613: Which splice should you use in order to make a permanent loop in a line?
N a. Back splice Y b. Eye splice N c. Long splice N d. Short splice 1633: The strongest way to join the ends of two ropes is with a __________.
N a. back splice Y b. short splice N c. square knot N d. carrick bend 1784: The "rolling hitch" could be used to __________.
N a. join two lines of different sizes N b. join two lines of equal sizes N c. add strength to a weak spot in a line Y d. act as a stopper to transfer a line under strain 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. 1918: Which statement is TRUE concerning hawser towing?
N a. The catenary in a hawser should be sufficient so that the hawser just touches the bottom. N b. The hawser is of sufficient length for towing when taut between tug and tow. N c. Increasing speed usually increases the catenary in the hawser. Y d. Shortening the tow hawser generally decreases the maneuverability of the tug. 1926: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 12 feet?
Y a. 6.73 T N b. 7.85 T N c. 13.46 T N d. 26.93 T 1929: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 10 feet?
N a. 22.44 T N b. 11.22 T N c. 7.48 T Y d. 5.61 T 1969: If you shorten the scope of anchor cable, your anchor's holding power __________.
Y a. decreases N b. increases N c. remains the same N d. has no relation to the scope 2035: A seaman signed on articles on 16 January 1987 and signed off on 2 March 1987. How should you enter this under the Time of Service column in the articles?
N a. 1 Month 18 Days N b. 1 Month 16 Days N c. 2 Months Y d. 46 Days 2080: A Contract of Affreightment covering the movement of a particular cargo from one designated port to another at a specified rate for each ton of goods loaded is called a __________.
N a. bareboat charter party N b. demise charter party N c. time charter party Y d. voyage charter party 2112: What is NOT surveyed at an annual load line survey?
N a. The overall structure and layout of the vessel for alterations to the superstructure Y b. The bilge pumping system N c. Main deck hatch covers N d. Portholes and deadlights in the side plating 2113: One major advantage of the round turn maneuver in a man overboard situation is that it __________.
Y a. is the fastest method N b. is easy for a single-screw vessel to perform N c. requires the least shiphandling skills to perform N d. can be used in reduced visibility 2130: In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?
N a. 60° N b. 135° N c. 180° Y d. 360° 2190: What is the name of tackle number 3? (DO29DG )
N a. 1-2 purchase N b. Gun tackle Y c. Single luff tackle N d. Double whip 2494: The major components which determine the length of a catenary in a deployed anchor cable are water depth, cable weight, and __________.
Y a. cable tension N b. water temperature N c. bottom conditions N d. water density 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. 2922: A long pole with a hook at one end, used to reach for lines, is known as a __________.
Y a. pike pole N b. jack staff N c. line rod N d. hooker 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 3282: What term indicates the immersed body of the vessel aft of the parallel mid-body?
Y a. Run N b. Stern N c. Counter N d. Flow 3431: A high cube container is designed specifically to __________.
Y a. carry low density cargoes N b. protect fragile cargoes N c. stow cargoes with concentrated weights such as machinery N d. carry cargoes of very low stowage factors 3465: Which type of anchor is illustrated? (D038DG )
Y a. Stockless N b. Danforth N c. Old-fashioned N d. Kedge 3544: Wire rope should be renewed when the __________.
N a. outer wires are rusted Y b. outer wires are worn to half their original diameter N c. inner core appears dry N d. certification period expires 3614: While you are on watch, you learn that a crewman has not been seen on board for the past three hours. Which type of turn is best in this man-overboard situation?
N a. Round Y b. Scharnow N c. Racetrack N d. Single turn of 180° 4029: Which statement is TRUE concerning toluene?
N a. Its Reid Vapor Pressure is 9.4. N b. The boiling point is 174°F. Y c. It is an aromatic hydrocarbon. N d. It is classified as a grade A flammable liquid. 4049: Tugs sometimes shackle a length of chain in the towline in order to __________.
N a. take the wear should the towline drag bottom N b. assure that if the towline is overstressed it will part close to the bridle N c. prevent the towline from whipping should it part Y d. put spring in the towline 4066: What is the MOST irritating to the skin?
N a. Carbon disulfide N b. Ethyl alcohol N c. Isoprene Y d. Oleum 4111: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. Two deck officers assigned to oversee the initial loading and lashing N b. Lashings may be completed after leaving port Y c. Periodic inspection and retensioning of lashings as required during voyage N d. All of the above 4211: Pedestal cranes have limit switches to restrict movement of which function(s)?
N a. Hoist upper & lower limits N b. Luff travel limits N c. Rider block hoist upper & lower limits Y d. All of the above 4244: What is meant by the term "luffing the boom" of a crane?
N a. Stopping the boom Y b. Topping or lowering the boom N c. Moving the boom left or right N d. All of the above 4382: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Equalizing beam N b. Hoist fall spreader Y c. Rider block N d. Block/hook assembly