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.
51: You are the licensed Master of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand any order spoken by the officers?
N a. 50% N b. 65% Y c. 75% N d. 100% 94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.
N a. deck logbook Y b. official logbook N c. compass record book N d. chronometer error book 108: Damage to cargo caused by dust is known as __________.
Y a. contamination N b. oxidation N c. tainting N d. vaporization 204: What does the helm command "shift the rudder" mean?
Y a. Put the rudder over to the opposite side, the same number of degrees it is now. N b. Put the rudder amidships and hold the heading steady as she goes. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 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. 383: What is TRUE of pressure/vacuum valves?
N a. They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank. N b. They should operate in advance of the pressure/vacuum breakers. N c. They should be kept in good working order by regular inspection and cleaning. Y d. All of the above 488: Which data can NOT be found on a moisture equilibrium chart?
N a. Dry bulb temperature N b. Moisture content N c. Vapor pressure Y d. Wet bulb temperature 494: What best describes an anchor buoy?
N a. A black ball that is hoisted when the ship anchors Y b. A buoy attached to the anchor N c. A buoy attached to the scope of an anchor chain N d. A mark of the number of fathoms in an anchor chain 566: The BEST way to steer a twin-screw vessel if you lose your rudder is by using __________.
N a. one engine and a steering oar N b. both engines at the same speed N c. one engine at a time Y d. one engine running at reduced speed and controlling the vessel with the other 618: When considering a vessel's stability, which spaces in a general cargo vessel are the best locations for the carriage of bulk grain?
Y a. Deep tanks N b. Lower holds N c. Lower holds at the ends of the vessel N d. 'Tween-decks 726: A common occurrence when a vessel is running into shallow water is that __________.
N a. the wake is less pronounced N b. the vessel is more responsive to the rudder Y c. "squat" will cause a decrease in bottom clearance and an increase in draft N 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. 760: The connection to the towline must be secured with a ____________ .
N a. galvanized screw-pin shackle N b. hardened steel thimble Y c. shackle secured a nut and cotter pin N d. shackle fitted with a swivel piece 850: Panting frames are located in the __________.
N a. after double bottoms N b. centerline tanks on tankships Y c. fore and after peaks N d. forward double bottoms 874: Which type of line would have the LEAST resistance to mildew and rot?
Y a. Manila N b. Nylon N c. Dacron N d. Polypropylene 912: You are aboard vessel "A" in a narrow channel and the pilot is approaching vessel "B" as shown. The reason he has not previously changed course to the starboard side of the channel is __________. (DIAGRAM 37 )
N a. to avoid vessel squat in the shallower water near the bank Y b. to avoid the effects of bank cushion and bank suction N c. because there is less chance of striking submerged objects in mid-channel N d. because the current has less eddies in mid-channel 915: What is the period of validity of a Cargo Ship Safety Radio Certificate?
N a. 6 months N b. 12 months N c. 24 months Y d. 60 months 935: The scuppers had been plugged as required at the time an oil spill occurs on deck. After shutting down the transfer, the engineroom should first be informed and then __________.
N a. rig a fire hose and call for water on deck Y b. spread an absorbent material, such as sawdust N c. remove the plugs from the scuppers N d. sound the general alarm 962: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from New York to Mexico and then returning, a distance in excess of 600 miles. Which statement is FALSE?
Y a. The crew members are required to sign articles. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into three watches. 1019: A tank holds 400 tons of sea water when filled. How many tons of liquid of specific gravity 0.9300 will it hold when filled to 90% capacity?
Y a. 326.6 N b. 343.2 N c. 377.6 N d. 390.2 1051: A vessel arrives in San Francisco from a foreign voyage. When MUST the Master make formal entry at the custom house?
N a. Within 24 hours after arrival, Sundays and holidays excepted Y b. Within 48 hours after arrival, Sundays and holidays excepted N c. Within 48 hours and before all foreign cargo is discharged for that port N d. Within 24 hours after arrival 1090: A chock __________.
N a. is a deck fitting used to shackle gear to the deck N b. permits easy jettisoning of deck cargo in an emergency N c. prevents stress concentration in the bulwark Y d. provides openings through the bulwark for mooring lines 1125: The pivoting point of a vessel going ahead is __________.
Y a. about one-third of the vessel's length from the bow N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe N d. near the stern 1132: A lookout can leave his station __________.
N a. at the end of the watch N b. at any time Y c. ONLY when properly relieved N d. 15 minutes before the end of the watch 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 1220: Who certifies the safe working load of cargo cranes on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. National Cargo Bureau 1257: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. Which of the following is exemplary of the statement that would officially transfer the watch?
N a. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots." N b. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots." N c. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard." Y d. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard." 1287: The term "shift the rudder" means __________.
Y a. change from right (left) to left (right) rudder an equal amount N b. use right or left rudder N c. check, but do not stop the vessel from swinging N d. put the rudder amidships 1380: The deck beam brackets of a transversely framed vessel resist __________.
N a. hogging stresses N b. sagging stresses Y c. racking stresses N d. shearing stresses 1537: Which is NOT a potential hazard of approaching close to an iceberg?
Y a. The brash ice in the vicinity may clog sea intakes. N b. The berg may calve with the bergy bit hitting the vessel. N c. There may be underwater rams extending out from the berg. N d. The berg may suddenly tilt or capsize due to uneven melting and hit the vessel. 1576: Using a scope of five, determine how many shots of chain you should put out to anchor in 5 fathoms of water?
N a. 1 Y b. 2 N c. 3 N d. 5 1582: Which is an example of failure to exercise due diligence?
Y a. Overloading N b. Sailing short of union manning requirements N c. Sailing with less than 30% reserve fuel oil supply N d. Sailing short of being full and down 1678: Grade D combustible liquids have a maximum flash point of __________.
N a. 109°F N b. 100°F Y c. 149°F N d. 80°F 1683: "Herringbone" is a term associated with __________.
N a. anchoring N b. mooring Y c. sewing N d. splicing 1690: Molded depth is measured from the __________.
Y a. inside of the shell N b. outside of the shell N c. top of the center vertical keel N d. top of the garboard stake 1913: An example of a messenger is a __________.
N a. fairlead Y b. heaving line N c. stay N d. warp 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 2056: A seaman may not make an allotment to his __________.
N a. minor children N b. grandparents N c. brother Y d. mother-in-law 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 2127: The maneuver which will return your vessel to a person who has fallen overboard in the shortest time is __________.
N a. a Williamson Turn N b. engine(s) crash astern, no turn Y c. a single turn with hard rudder N d. two 180° turns 2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )
N a. 2 N b. 4 Y c. 5 N d. 5.5 2253: What is the area of a circle with a radius of 17 feet after a sector of 57° has been removed?
Y a. 764.17 sq. ft N b. 190.66 sq. ft N c. 145.27 sq. ft N d. 36.85 sq. ft 2310: How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?
N a. This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer. N b. Determine the point where aground and the draft at that point, then calculate it using the grounding formula. Y c. Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding. N d. Use the inclining experiment formula and substitute the change of trim for the angle of list. 2353: Which mooring line prevents sideways motion of a vessel moored to a pier?
N a. A line led forward from the bow N b. A line led aft from the bow N c. A line led in the same direction as the keel Y d. A line led at a right angle to the keel 2516: Which statement about the dangerous cargo manifest, carried on a ship, is TRUE?
N a. The manifest must be made up by the Master or other designated ship's officer. N b. Shipments of hazardous and non-hazardous cargo may be listed on the manifest if they are destined for the same consignee. Y c. The manifest must be kept in a designated holder on or near the bridge. N d. The type of label(s) required for each cargo must be indicated. 2706: Which type of davit is not considered to be a mechanical davit?
N a. Sheath-screw boom Y b. Radial N c. Crescent N d. Quadrantal 2808: Under the forces of its own weight, the suspended length of line will fall into a shape known as a __________.
N a. polygon N b. holding arc Y c. catenary curve N d. parabolic curve 2890: A vessel cannot comply with all of the SOLAS requirements due to its construction. Where will this be indicated?
N a. Nowhere; the vessel must comply to engage in international trade. N b. On the reverse of the SOLAS certificate Y c. On the Exemption Certificate N d. On the Certificate of Inspection 2940: A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the __________.
N a. vessel's horsepower N b. sea state N c. number of propellers Y d. vessel's displacement 2958: The bow thruster generally is ineffective at __________.
Y a. over 3 knots headway N b. at any speed astern N c. at any speed ahead N d. over 1 knot sternway 2969: Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in __________.
N a. summer and early autumn N b. autumn and early winter N c. winter and early spring Y d. spring and early summer 3076: The part of the anchor indicated by the letter K is the __________. (D038DG )
N a. crown Y b. ring N c. shank N d. bending shot 3082: Which statement is FALSE with regards to the Great Lakes Light List?
Y a. The Light List does not contain information on any of the navigational aids maintained by Canada. N b. Volume VII does not include information on Class III private aids to navigation. N c. The Light List does not include Coast Guard mooring buoys, special purpose buoys, or buoys marking fish net areas. N d. The Light List should be corrected each week from the appropriate Notice to Mariners. 3439: Horizontal fore or aft motion of a vessel is known as __________.
N a. pitch Y b. surge N c. sway N d. roll 3776: 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)
Y a. 29.70 numeral N b. 33.63 numeral N c. 49.82 numeral N d. 58.33 numeral 4052: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 700 yards and your vessel's LOA is 600 feet. If you anchor in 11 fathoms at the center of the circle, what is the maximum number of shots of chain can use and still remain in the circle?
N a. 4 shots Y b. 5 shots N c. 6 shots N d. 7 shots 4132: What is used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing N c. Manila rope Y d. None of these 4134: What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Turnbuckle Y c. Webbing N d. Chain 4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Buckle tensioner Y c. Adjust-a-matic tensioner N d. Ratchet tensioner 4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )
N a. 30 tons N b. 60 tons N c. 90 tons Y d. 120 tons