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.
47: 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?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 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 121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Able Seamen are not required in the deck crew. N b. Sailors may stand watch for 6 hours on and 6 hours off. N c. A licensed Chief Engineer is required. Y d. All crew members must have Merchant Mariner's Documents. 150: Protective clothing must be worn while sampling hazardous cargo on a tankship, and as a minimum includes __________.
N a. a hood or hard hat Y b. a face mask or goggles N c. boots N d. chemical resistant gloves 200: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
N a. No able seamen are required. N b. Crew must be signed on before a Shipping Commissioner. N c. A licensed Master of Towing Vessels may serve as Master. Y d. Each crew member must be issued a certificate of discharge at the time of discharge. 239: Flame screens are used to __________.
N a. contain flammable fumes N b. protect firefighters from flames Y c. prevent flames from entering tanks N d. keep flames and sparks from getting out of an engine's exhaust system 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 342: 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 also carrying allyl alcohol, the venting systems must be segregated. 366: When backing down with sternway, the pivot point of a vessel is __________.
N a. at the bow N b. about one-third of the vessel's length from the bow Y c. about one-quarter of the vessel's length from the stern N d. aft of the propellers 371: In the United States, the load line markings are set by the __________.
Y a. American Bureau of Shipping N b. Coast Guard N c. Federal Maritime Board N d. IMO 391: A tonnage tax is levied according to the __________.
N a. deadweight cargo tonnage aboard N b. displacement tonnage of vessel N c. gross tonnage of vessel Y d. net tonnage of vessel 448: Hygroscopic cargoes should be ventilated when __________.
Y a. going from a warm to a cold climate N b. the dew point of the outside air is greater than the dew point of the air in the hold N c. the dew point of the air in the hold is very low N d. the outside dew point is 60°F (16°C) and the cargo temperature is 54°F (12°C) 497: Which type of fiber towing hawser is preferred for towing astern?
N a. Manila N b. Polypropylene Y c. Nylon N d. Dacron 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 685: Which type of ballast is most commonly used in barges and ships?
Y a. Water N b. Oil N c. Concrete and barite N d. Sand, rock and gravel 688: Who would normally certify that all preparations have been made and all regulations observed prior to loading a cargo of bulk grain?
N a. American Bureau of Shipping N b. U.S. Coast Guard Y c. National Cargo Bureau N d. Master of the vessel 735: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. main brace Y b. tow span N c. jockey bar N d. None of the above 806: Which will most likely occur when entering shallow water?
N a. Rudder action will become more effective. N b. The vessel's list will change. Y c. The vessel's trim will change. N d. An increase in speed will occur. 841: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Union Representative N b. the person about whom the entry concerns N c. no one else Y d. one other crew member 883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .
N a. be appropriate to the vessel's horsepower or bollard pull N b. be strong enough to handle any static or dynamic loads expected during its service life Y c. fit any spare wire clips carried on board the vessel for repair purposes N d. be suitable for exposure to the marine environment 899: When must the owner or Master of a towing vessel retest a towline or remove it from service?
Y a. When the record of its material condition lapses for 3 months or more. N b. After it jams on the towing winch. N c. After it drags on the bottom. N d. When it has not been used for over 60 days. 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 928: Which of the signals listed is required to be displayed during the day while bunkering?
Y a. A red flag N b. A yellow flag N c. A red and yellow flag N d. A red light 955: In which case is the IOPP Certificate of an inspected vessel NOT invalidated?
Y a. The required oily-water separator malfunctions. N b. The ship is transferred to Liberian registry. N c. An annual survey is conducted fifteen months after the date of certificate issuance. N d. A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator. 1029: When cleaning a tank by the Butterworth process, you should begin to pump out the slops __________.
N a. at the end of the drop schedule Y b. when the process is started N c. when the process is finished N d. when the tank is clean 1050: The "margin plate" is the __________.
Y a. outboard strake of plating on each side of an inner bottom N b. outer strake of plating on each side of the main deck of a vessel N c. plate which sits atop the center vertical keel N d. uppermost continuous strake of plating on the shell of a vessel 1073: You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle __________.
N a. with the pin of the shackle riding on the stay Y b. with the pin of the shackle through the chair's bridle eye N c. with a hook attaching the chair to the riding shackle N d. connected to a second shackle on the chair 1094: Which statement is TRUE with respect to the elasticity of nylon mooring lines?
N a. Nylon can stretch over forty percent without being in danger of parting. N b. Nylon can be elongated by one-hundred percent before it will part. N c. Nylon will part if it is stretched any more than twenty percent. Y d. Under load, nylon will stretch and thin out but will return to normal size when free of tension. 1126: You are approaching a pier and intend to use the port anchor to assist in docking port side to. You would NOT use the anchor if __________.
N a. the current was setting you on the pier N b. another vessel is berthed ahead of your position N c. the wind was blowing from the starboard side Y d. there is shallow water enroute to the berth 1169: Static electricity may be built up by the __________.
N a. spraying or splashing of petroleum N b. settling of solids or water in petroleum N c. flow of petroleum through pipes Y d. All of the above 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 1293: What is required to be posted in the pilothouse of a vessel?
N a. Certificate of Inspection N b. Officer's licenses N c. Company Mission Statement Y d. Muster List ("Station Bill") 1298: A Master should file a marine note of protest if __________.
N a. cargo was received at ship side which was damaged in land transit N b. longshore labor went on strike in the port causing undue vessel delay N c. portions of his vessel's cargo were illegally impounded in a foreign port Y d. the vessel encountered heavy weather which might have caused cargo damage 1301: If, after examination by the Quarantine Officer, your vessel is found to have a specific deficiency, you may be issued __________.
N a. Bill of health N b. Free Pratique N c. Notice to Comply Y d. Controlled Free Pratique 1313: Where should a vessel being towed alongside be positioned for increased maneuverability?
N a. Stern of the towed vessel aft of the stern of the towing vessel N b. Stern of the towed vessel even with the stern of the towing vessel Y c. Stern of the towed vessel forward of the stern of the towing vessel N d. Bow of the towed vessel even with the bow of the towing vessel 1319: In relation to cargo gear, what does "SWL" mean?
Y a. Safe working load N b. Ship's working lift N c. Starboard wing lift N d. Stress, weight, load 1492: Which of the pictures in illustration DO30DG represents a fisherman's bend? (DO30DG )
N a. F Y b. G N c. K N d. L 1498: The biggest problem you generally encounter while towing a single tow astern is __________.
N a. the catenary dragging on the bottom N b. swamping of the tow N c. the tow tending to dive Y d. yaw 1551: A majority of the crew requests a survey from the American Consul to determine a vessel's seaworthiness. The vessel is found unfit to continue her intended voyage. The Consul allows the vessel to sail to another port where deficiencies can be corrected. The crew must __________.
N a. be discharged and given first class passage back to the original port of signing on in lieu of one month's wages N b. be discharged by the American Consul with additional one month's wages until repairs are made N c. be furnished employment on another vessel returning to the United States which is satisfactory to that crew Y d. comply with the judgment 1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
N a. full ahead Y b. full astern N c. half ahead N d. slow astern 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 1698: A flammable liquid having a Reid vapor pressure of 8½ P.S.I.A. or less and a flash point of 80°F or below is grade __________.
N a. A N b. B Y c. C N d. D 1750: A grapnel is a __________.
N a. device for securing a chain topping lift N b. hook to prevent the anchor cable from slipping Y c. device used to drag for a submerged cable or line N d. type of clam bucket used for discharging bulk cargo 1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?
N a. Alteration Y b. Deviation N c. Liberty N d. Unscheduled stop 1822: What is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. Dangerous wakes may result from the swinging barge and capsize the tug. N b. The barge may swing too quickly and run over the tug. N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads if the turn is too quick. Y d. The barge may pass under the hawser and capsize the tug. 1989: If you were to pass a stopper on a wire rope, what should the stopper be made of?
N a. Wire N b. Manila N c. Nylon Y d. Chain 2249: Which knot should be used to secure a line to a spar when the pull is parallel to the spar? (DO30DG )
N a. G N b. F Y c. P N d. Q 2259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )
N a. 490 yards N b. 350 yards Y c. 800 yards N d. 885 yards 2315: Which splice is used to connect two separate lines together?
N a. Back splice N b. Chain splice N c. Eye splice Y d. Long splice 2354: What is the area of a circle with a diameter of 21 feet after a sector of 72° has been removed?
Y a. 277.09 square ft. N b. 149.43 square ft. N c. 69.27 square ft. N d. 52.78 square ft. 2387: What is the area of a circle with a diameter of 2 feet after a sector of 60° has been removed?
N a. 0.25 square ft. N b. 0.52 square ft. N c. 2.09 square ft. Y d. 2.62 square ft. 2761: A short ton is a unit of weight consisting of __________.
N a. 1,000 pounds Y b. 2,000 pounds N c. 2,205 pounds N d. 2,240 pounds 2778: Assume that your vessel has just entered Lake Erie by way of the Welland Canal and is proceeding in a southwesterly direction. Which statement about the aids to navigation you can expect to encounter along the route is TRUE?
Y a. The characteristics of buoys and other aids are as if "returning from seaward" when proceeding in this direction. N b. All aids are maintained by the U.S. Coast Guard, 9th Coast Guard District, Cleveland, Ohio. N c. All red even-numbered buoys should be kept on your port side when proceeding in this direction. N d. Lighted aids, fog signals, and radio beacons maintained by Canada are not included in the Great Lakes Light List. 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 3200: A license issued by the U.S. Coast Guard for apprentice mate (steersman) of Uninspected Towing Vessels is valid for __________.
N a. 2 years and must be renewed N b. 3 years and must be renewed Y c. 5 years and must be renewed N d. None of the above 3680: What is the penalty for willfully damaging cargo?
Y a. Forfeiture of wages equal to the value of the damage and, if ordered by the court, imprisonment for not more than 12 months N b. Fine equal to the value of the damage plus a 1000 dollar penalty and/or imprisonment not to exceed 2 years N c. Fine not to exceed the value of the damage and/or imprisonment not to exceed 18 months N d. Revocation of Merchant Mariner's Document (and license if applicable), fine equal to the value of the damage or imprisonment for not more than 2 years 4014: The facewire refers to item __________. (D024DG )
Y a. I N b. H N c. B N d. A 4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.
N a. has great strength N b. is very supple Y c. floats N d. absorbs shock by stretching 4222: 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