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.
82: Floors aboard ship are __________.
N a. also called decks Y b. vertical transverse plates connecting the vertical keel with the margin plates N c. large beams fitted in various parts of the vessel for additional strength N d. found in passenger and berthing spaces only 152: A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 192: The mooring line labeled "H" is called a(n) __________. (DO44DG )
Y a. offshore bow line N b. onshore bow line N c. offshore spring line N d. forward breast line 214: The helm command "meet her" means __________.
Y a. use rudder to check the swing N b. decrease the rudder angle which is on N c. steer more carefully N d. note the course and steady on that heading 225: For safety reasons, when assistance towing __________.
N a. the disabled vessel should be towed to the nearest port N b. the disabled vessel should be inspected for flammable gases N c. passengers should always be removed from the disabled vessel Y d. personnel on the disabled vessel should don PFD's 244: "Hard right rudder" means __________.
Y a. put the rudder over to the right all the way N b. jam the rudder against the stops N c. meet a swing to the right, then return to amidships N d. put the rudder over quickly to 15° right rudder 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. 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. 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 312: If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.
Y a. increase N b. decrease N c. stop N d. remain constant 356: It is possible, and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by __________.
N a. placing bunker on the deck N b. building a stage on which to place the cargo N c. welding steel "feet" to the deck, on which the cargo is placed Y d. erecting vertical pillars under the deck to support the cargo 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 462: The safe working load (SWL) of wire rope with a safety factor of 6 is what percent of its strength?
N a. 10% Y b. 17% N c. 50% N d. 80% 512: When paying out nylon line from around the bitts __________.
Y a. stand clear of the bitts and use two or more round turns under your figure eights N b. you can surge the line even with a single turn N c. no extra turns are necessary since nylon has a high coefficient of friction N d. stand in the bight of the line 526: You are going ahead on twin engines with rudders amidships. Your port engine stalls. To continue your course you should __________.
Y a. apply right rudder N b. apply left rudder N c. keep your rudder amidships N d. increase engine speed 553: A bridle for an ocean tow consists of __________.
Y a. two chains of equal length N b. a single nylon pendant rove through a heavy ring free to move on the pendant N c. two long legs of wire rope shackled to a fishplate N d. a single length of heavy chain with both ends secured on deck to welded pad eyes 558: A heated bulkhead has the effect on a hygroscopic commodity of __________.
N a. causing moisture to accumulate against the bulkhead N b. lowering the vapor pressure of the commodity N c. lowering the dew point of the air Y d. raising the vapor pressure of the commodity 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 634: The "iron mike" is a(n) __________.
N a. pilot N b. speaker N c. standby wheel Y d. automatic pilot 705: A tug may be in danger of tripping when __________.
N a. towed sideways by an overwhelming force on the towline N b. her tow moves parallel to and forward on either side of the tug N c. the tow is no longer directly astern but moves up on her quarter Y d. All of the above 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 722: A tow can override its tug as a result of __________.
N a. a mechanical breakdown on the tug N b. adverse tidal current conditions N c. the tug reducing its speed Y d. All of the above 808: You are loading a cargo of cases into a hold which has a bale cubic of 44,000. The cargo consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated broken stowage is 15%. What is the maximum number of cases which can be stowed in the hold?
N a. 3096 Y b. 3116 N c. 3136 N d. 3156 896: A V-shaped ripple with the point of the V pointing upstream in a river may indicate a __________.
N a. submerged rock, not dangerous to navigation N b. sunken wreck, not dangerous to navigation Y c. towed-under buoy N d. All of the above 920: A vessel's light displacement is 12,000 tons. Its heavy displacement is 28,000 tons. When fully loaded it carries 200 tons of fuel and 100 tons of water and stores. What is the cargo carrying capacity in tons?
N a. 11,700 tons Y b. 15,700 tons N c. 16,000 tons N d. 27,700 tons 950: The upward slope of a ships bottom from the keel to the bilge is known as __________.
N a. camber N b. slope Y c. deadrise N d. keel height 977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?
N a. Abandon the towing vessel. N b. Radio for emergency assistance. Y c. Slip the towline and allow it to run off the drum. N d. Secure all watertight openings on the towing vessel. 1007: When using the term "limber system" one is referring to a __________.
N a. cleaning system Y b. drainage system N c. strengthening system N d. weight reduction system 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 1162: How does a vessel's rate of turn change when entering shallow water?
N a. It is faster. N b. It is slower. Y c. There is no change. N d. It remains constant for varying propeller revolutions. 1186: Which term describes a rope in which three right-handed strands are laid up left-handed?
N a. Soft-laid N b. Hard-laid N c. Shroud laid Y d. Hawser-laid 1244: Nylon line is NOT suitable for __________.
N a. towing Y b. lashings N c. stoppers N d. mooring lines 1456: How many turns of wire normally mark either side of the shackle 45 fathoms from the anchor?
N a. 1 N b. 2 Y c. 3 N d. 4 1527: A 30,000 DWT tankship is required to have an IOPP certificate when __________.
N a. engaged in the coastwise trade N b. going foreign Y c. calling at ports in another country signatory to MARPOL 73/78 N d. carrying cargoes listed in the MARPOL regulations 1680: In vessel construction, the garboard strake is __________.
Y a. located next to and parallel to the keel N b. located next to and parallel to the gunwale N c. another term for the bilge keel N d. another term for the rub rail 1813: A snatch block would most likely be used as a __________.
N a. boat fall Y b. fairlead N c. riding pawl N d. topping lift 1826: The knot lettered X in illustration DO30DG is a __________. (DO30DG )
N a. timber hitch N b. becket bend Y c. clove hitch N d. blackwall hitch 1915: A butt is indicated by which letter? (D033DG )
N a. J N b. F N c. E Y d. D 2158: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
N a. O (IMMEDIATE) N b. R (ROUTINE) Y c. P (PRIORITY) N d. Z (FLASH) 2208: Under normal weather and sea conditions when securing a stack of containers with twist locks, lashings are required when the tier exceeds what height?
N a. Lashings are always required N b. One container Y c. Two containers N d. Three containers 2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.
N a. Load Line Certificate Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. operations manual 2254: You are using tackle number 4 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 10. What is the mechanical advantage of this rig? (D029DG )
N a. 4 N b. 5 N c. 9 Y d. 20 2300: In the stowage of deck cargo, "cribbing" is __________.
Y a. placed on deck to support the cargo N b. separation pieces used to keep cylinders upright and steady N c. shims for stowing baled cargo N d. nets placed across the hatch opening to keep the cargo from falling in the hatch 2345: A splice that can be used in running rigging, where the line will pass through blocks, is a __________.
N a. short splice Y b. long splice N c. back splice N d. spindle splice 2352: The recessed areas on a wildcat are called __________.
N a. pawls N b. sockets Y c. pockets N d. devil's claws 2529: Which condition would NOT entitle a vessel to carry goods on deck?
N a. The shipper agrees to deck stowage Y b. The cargo will damage other cargoes by tainting or contamination N c. Deck stowage is required by law or regulation N d. Deck stowage is customary in the trade (i.e. timber cargoes) 2556: The type of joint formed when a third small plate is riveted over two plates butted together is called a __________.
N a. butted joint N b. lap joint Y c. strap joint N d. stringer joint 2556: The type of joint formed when a third small plate is riveted over two plates butted together is called a __________.
N a. butted joint N b. lap joint Y c. strap joint N d. stringer joint 2570: When a line is laid down in loose, looping figure-eights, it is said to be __________.
Y a. faked N b. flemished N c. coiled N d. chined 2932: Which type of rudder may lose its effectiveness at angles of 10 or more degrees?
N a. Contra-guide Y b. Balanced spade N c. Unbalanced N d. Flat plate 3085: Naval Control of Shipping (NCS) publications should be __________.
N a. in the Master's custody N b. safely stowed N c. turned over to the relieving Master Y d. All of the above 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 3109: When hip towing, a line led from the bow of the towing vessel aft to the vessel being towed would be a __________.
N a. backing line Y b. towing line N c. stern line N d. breast line 3244: The shank is indicated by which letter? (D038DG )
N a. K N b. J N c. H Y d. F 3521: Once a towline is connected between the towing vessel and the disabled vessel, the towing vessel should __________.
N a. not exceed bare steerageway during the transit N b. take a strain as soon as you can to control the tow Y c. come up to speed very slowly and maintain a "safe speed" N d. come up to speed quickly, then cut back power considerably to ease the strain 4056: 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. 89.75 numeral N b. 40.18 numeral N c. 28.62 numeral Y d. 22.44 numeral 4224: What does item "K" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Manual slewing cables Y b. Rider block taglines N c. Jib luffing cables N d. Cargo snaking cables 4245: What is meant by the term "level-luffing" a crane?
Y a. Luffing while the load remains at a constant height N b. Maintaining the boom at a constant height N c. Slewing the boom left or right in a level planet N d. None of the above 4251: Which action(s) is/are included in crane operations?
N a. Single-mode set-up & operation N b. Twin-mode set-up & operation N c. Normal boom stowage and shutdown operation Y d. All of the above