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.
20: You are carrying triethylamine, methyl methacrylate and isoprene in your multiple-product tankship. Which of the following statements is true?
Y a. Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes. N b. Methyl methacrylate may not be carried in a tank adjacent to a pump room. N c. Methyl methacrylate must usually be heated to maintain its stability. N d. Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine. 54: Your vessel has grounded on a bar. What should you do?
N a. If you cannot get clear immediately, lighten the ship by pumping all ballast overboard. N b. Run the engine full astern to keep from being set further onto the bar. Y c. Switch to the high suction for condenser circulating water, if it is submerged. N d. All of the above 135: Corrosive liquids and acids should have which kind of label?
N a. Skull and crossbones N b. Yellow and white N c. Red and white Y d. White and black 147: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
Y a. inshore stern line N b. offshore stern line N c. after spring line N d. after breast line 175: While the Pilot is maneuvering the vessel to a dock, what is the primary responsibility of the watch officer?
N a. Judge the appropriateness of the Pilot's orders and countermand them if necessary Y b. Insure that helm and throttle orders given by the Pilot are correctly executed N c. Record the bells and their times in the bell book N d. Supervise the signaling and flag etiquette 221: A vessel arrives in a foreign port and the Master is informed that the vessel is being sold to foreign interests. The new owners request that the crew remain on board to complete the voyage. Under these circumstances, the crew __________.
Y a. has the right to an immediate discharge and transportation to original port of engagement N b. must remain on board N c. must comply with the decision made by the Master N d. must remain aboard until the vessel is delivered to the new owners at a mutually agreed upon port 223: Who is responsible for providing urine specimen collection kits to be used following a serious marine incident?
N a. Qualified medical personnel Y b. The marine employer N c. The U.S. Coast Guard N d. The local police department 264: The total weight of cargo, fuel, water, stores, passengers and crew, and their effects, that a ship can carry, is the __________.
N a. bale cubic Y b. deadweight N c. gross tonnage N d. loaded displacement 384: A "strongback" refers to a __________.
Y a. bar securing a cargo port N b. centerline vertical bulkhead N c. deep beam N d. spanner stay 472: On a long ocean tow, the bridle should be made up of two equal lengths of __________.
Y a. chain N b. wire N c. nylon N d. manila 484: On stud-link anchor chain the addition of the stud increases the strength of the link by about __________.
N a. 10% Y b. 15% N c. 20% N d. 50% 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 619: What is NOT a requirement for the safe and effective use of a crude oil washing system?
N a. Strip all tanks and remove the bottom residue. N b. Use an inert gas system while washing tanks. Y c. Use portable washing machines to reach areas obscured by structural members in the tanks. N d. Decant one meter from the source tank for the tank cleaning machines. 646: What shape barge offers the least resistance in river towing?
N a. A square ended barge Y b. Barges with spoon shaped bows N c. Ship-shaped barges N d. Hopper barges 656: A deep draft VLCC (100,000 DWT+) navigating in a narrow channel or canal __________.
Y a. draws more water than when underway in deep water N b. draws less water with an increase in speed N c. requires less power for a given speed N d. steers better under full power 668: Which statement is correct concerning the carriage of coal in bulk?
Y a. Coal should be vented with surface ventilation only. N b. Because of its inherent vice, coal should not be loaded wet. N c. Dunnage should be placed against ship's sides and around stanchions. N d. Through ventilation, as well as surface ventilation, should be provided whenever possible. 671: A Permit to Proceed is issued by the __________.
N a. American Bureau of Shipping N b. National Cargo Bureau Y c. U.S. Coast Guard N d. U.S. Department of Labor 711: If an alien stowaway is discovered aboard your vessel, his name must be placed on the __________.
N a. Alien Crew List N b. Crew List N c. Passenger List Y d. separate Passenger List marked stowaways 960: Gross tonnage indicates the vessel's __________.
N a. displacement in metric tons N b. total weight including cargo Y c. volume in cubic feet N d. draft in feet 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. 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1111: A vessel sailing from Liverpool to New York puts into Boston, Mass. for emergency repairs. If no inward foreign cargo is to be discharged at that port, which of the following documents is required?
N a. Custom Manifest N b. Inward Foreign Manifest Y c. Pro Forma Manifest N d. Traveling Manifest 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 1159: Which product is most likely to accumulate static electricity?
N a. Crude oil N b. Hard asphalt Y c. Lubricating oil N d. Residual fuel oil 1183: Which towing equipment can be used to prevent the tripping of a tug?
N a. Bridles N b. Chafing boards Y c. Gob ropes N d. Drogues 1241: A Notice of Marine Casualty to a vessel must include __________.
N a. the estimated cost of damage Y b. the name of the owner or agent of the vessel N c. an evaluation of who was at fault N d. the amount of ballast on board 1422: A U.S. vessel engaged in foreign trade must be __________.
N a. classed N b. enrolled N c. licensed Y d. registered 1478: What does "in step" refer to in regards to towing?
N a. The towed vessel follows exactly in the wake of the towing vessel. N b. There is no catenary in the towing hawser. N c. When turning, both the towed and towing vessels turn at the same time. Y d. Both the towed and towing vessels reach a wave crest or trough at the same time. 1640: The garboard strake is the __________.
N a. raised flange at the main deck edge N b. riveted crack arrester strap on all-welded ships N c. riveting pattern most commonly used in ship construction Y d. row of plating nearest the keel 1703: What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 571.4 N b. 715.2 Y c. 960 N d. 1066.7 1707: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. What precedence would you assign this message?
N a. R (ROUTINE) N b. Z (FLASH) N c. P (PRIORITY) Y d. O (IMMEDIATE) 1796: Which safety check(s) should be made before letting go the anchor?
N a. See that the anchor is clear of obstructions. N b. See that the chain is all clear. N c. See that the wildcat is disengaged. Y d. All of the above 1823: Chafing gear __________.
N a. reduces and prevents corrosion of standing rigging N b. prevents corrosion of running rigging Y c. reduces and prevents wear caused by the rubbing of one object against another N d. protects the body against extreme cold 2031: Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?
N a. Greenish Y b. Bluish N c. Grey N d. Grey-white 2084: A copy of the Articles of Agreement, less the signatures, is required to be posted. This document is called the __________.
Y a. Fo'c'sle Card N b. Articles Copy N c. Voyage Agreement N d. Shipping Articles 2108: You are the Master signing on a crew. In completing the articles, who should sign in the various places indicated for the Shipping Commissioner's signature?
N a. After sign on, the articles are presented at the nearest Marine Inspection/Safety Office for signature. N b. The space is left blank. N c. A marine notary public must sign after sign on is complete. Y d. The Master. 2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence. Y b. The CSS must be established by mutual agreement between the ships concerned. N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present. N d. The first vessel to arrive at the distress incident is designated as the CSS. 2214: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 90°? (D034DG )
N a. 820 yards Y b. 870 yards N c. 930 yards N d. 975 yards 2235: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 75°? (D034DG )
Y a. 800 yards (720 meters) N b. 860 yards (774 meters) N c. 910 yards (819 meters) N d. 955 yards (860 meters) 2325: Which line cannot be spliced?
N a. Braided line with a hollow core N b. Double-braided line Y c. Braided line with a solid core N d. Any line can be spliced 2343: When securing a hook to the end of a wire rope you should use __________.
N a. a bowline knot N b. a long splice N c. an overhand knot with a wire rope clip Y d. wire rope clips with a thimble eye 2400: The turning circle of a vessel is the path followed by the __________.
N a. bow N b. outermost part of the ship while making the circle Y c. center of gravity N d. tipping center 2554: The welds used to attach stiffeners to a plate are known as __________.
N a. butt welds N b. seam welds Y c. fillet welds N d. plate welds 2581: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
Y a. It pulls the stern toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. N d. It pulls the bow toward the bank. 2768: Which of the Great Lakes lies entirely within the United States?
N a. Lake Ontario N b. Lake St. Clair Y c. Lake Michigan N d. Lake Superior 2792: When relieving the helm, the new helmsman should find it handy to know the __________.
N a. variation in the area Y b. amount of helm carried for a steady course N c. leeway N d. deviation on that heading 2862: What is used to prevent accidental flooding of a double bottom or peak tanks in the event of a pipe rupture due to collision?
N a. Separate lines are provided for filling and pumping these tanks. N b. Pipe lines must run vertically from the tank to a point above the margin line before turning fore or aft towards the pump. N c. All tanks must be served by the fewest possible number of pipes to reduce the possibility of rupture. Y d. Suction lines are fitted with a non-return valve 2910: Your vessel is a single-screw ship with a right-hand propeller. There is no current. The easiest way to make a landing is __________.
Y a. port side to N b. starboard side to N c. dropping anchor and swinging the ship in to the pier N d. either port or starboard side to, with no difference in degree of difficulty 2980: What is a step in attaching a poured metal socket to a wire rope?
Y a. Etch the wire with acid. N b. Install a wire seizing on the wire that will be inside the socket. N c. Ensure the fiber core is well lubricated. N d. Pour molten babbitt metal into the socket. 3091: Towlines should be inspected for chafing where the towline __________.
N a. passes over the stern of the towing vessel N b. passes through chocks N c. is attached to the disabled vessel Y d. All of the above 3143: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. Y b. Certificates of Discharge are not required to be issued. N c. Able seamen are required in the deck crew. N d. All crew members shall have Merchant Mariner's Documents. 3166: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?
N a. He must always take the seaman. N b. He is required to accept the seaman only if the seaman is medically unfit. Y c. He may refuse the seaman if the seaman has a contagious disease. N d. He may refuse to take the seaman if he is being held by shore authorities. 3172: The signal man assisting the crane operator has his hands clasped in front of his body. This is the signal to __________.
Y a. dog everything N b. stop N c. stand-by N d. prepare for signal 3350: It is not advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too expensive for everyday towing usage N c. binds on the cleats N d. parts too readily 3489: You are lifting a 5-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 inch N b. 1 3/8 inch N c. 1 1/2 inch Y d. 1 7/8 inch 3511: The wheel on the windlass with indentations for the anchor chain is the __________.
N a. grabber Y b. wildcat N c. locking ring N d. pawl 3586: The last shot of an anchor cable is usually painted __________.
N a. white N b. international orange N c. yellow Y d. red 3612: Buckler plates are __________.
N a. triangular-shaped plates connecting the bull chain to the topping lift Y b. metal plates secured over the tops of the hawsepipes N c. faired shell plates with curvature in two directions N d. sheets of dunnage used to prevent heavy cargo from buckling the deck plates 4009: What is used to prevent twisting of a towing bridle?
N a. A bitt N b. A bulkhead N c. A V-spring Y d. A fishplate 4150: Which of the following is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. The securing of cargo on flats and trailers and in containers must be adequate to withstand both road and sea motions N b. The generally recommended lash angle cannot be greater than 45 degrees relative to the deck in any direction. N c. It is necessary for an adequate number of securing points on the vehicles themselves in order that lashings may be properly and safely utilized. Y d. All the above