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.
81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?
N a. 0% N b. 25% N c. 50% Y d. 65% 97: Chafing gear should be placed __________.
Y a. at all wearing points of mooring lines N b. at the bitter ends of all standing rigging N c. around running rigging N d. on wire rope only 180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?
N a. 0°C to 100°C N b. -10°C to 90°C Y c. -18°C to 46°C N d. -40°C to 50°C 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 265: Which statement is TRUE about hooks and shackles?
N a. Hooks are stronger than shackles of the same diameter. Y b. Shackles are stronger than hooks of the same diameter. N c. Hooks and shackles of the same diameter are of equal strength. N d. All the above may be true, depending on the hook's or shackle's overall length. 286: Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. This force is caused by __________.
N a. back current from the rudder N b. greater pressure on the right or left side of the propeller, depending on rotation N c. lower pressure on the right or left side of the propeller, depending on rotation Y d. torque from the velocity and angle at which the surrounding water impinges upon the propeller blades 376: You are aboard a right-handed single-screw vessel with headway on. The engine is put full astern and the rudder hard left. What will the bow do?
N a. It will swing to the left, and will swing left faster as the vessel loses way. Y b. It will swing to the left, straighten out and then swing to the right as the vessel loses way. N c. It will swing to the left without increasing or decreasing its swing. N d. The bow will swing to the right. 745: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.
Y a. water in the tanks or pipelines N b. having the cargo too cool N c. explosion of vapors after discharge N d. inadequate ullage space 784: Marline is __________.
N a. four-stranded sisal line N b. three-stranded cotton line N c. sail twine Y d. two-stranded hemp cord 789: Which statement about a centrifugal cargo pump is TRUE?
N a. It is a positive displacement pump. Y b. It must have a positive suction. N c. Increasing rotation speed will decrease discharge pressure. N d. All of the above 791: The oil record book is required to be carried aboard __________.
N a. tankers N b. passenger vessels N c. cargo vessels Y d. All of the above 814: In the manufacture of line, plant fibers are twisted together to form __________.
N a. cable N b. line N c. strands Y d. yarns 845: The terminology "able to understand any order spoken by the officers" refers to all of the following situations EXCEPT __________ .
N a. in response to a fire N b. directing the use of lifesaving equipment Y c. for deck department crew members to understand the terminology used in the engine room N d. in response to a man overboard 875: Which statement, concerning offshore supply vessel operations, correctly defines the length of a voyage?
N a. The distance from the point of departure to the vessel's first stop N b. The distance from the point of departure to the most distant point offshore Y c. The total distance from the port of departure to the port of arrival, not including stops at offshore points N d. The shortest measurable distance from the port of departure to the port of arrival 969: A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 80°F (27°C), and it has a coefficient of expansion of .0008. The net amount of cargo loaded is __________.
Y a. 8,856 barrels N b. 8,944 barrels N c. 9,072 barrels N d. 9,144 barrels 1160: In a longitudinally-framed ship, the longitudinal frames are held in place and supported by athwartship members called __________.
N a. floors N b. margin plates N c. stringers Y d. web frames 1344: When working with wire rope, which must be considered?
N a. Metal sheaves should be lined with wood or leather. Y b. It needs better care than hemp or manila. N c. It should be lubricated annually. N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope. 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 1624: Which kind of hitch should you use to secure a spar?
N a. Blackwall hitch N b. Stage hitch Y c. Timber hitch N d. Two half hitches 1646: What is the normal length of anchor cable used to anchor a vessel?
N a. An amount equal to the depth of the water N b. Two times the depth of water N c. Three to four times the depth of water Y d. Five to seven times the depth of water 1763: You are in charge while handling a synthetic hawser on a capstan. The hawser has a heavy strain and you wish to avoid the hawser's slipping on the capstan drum. Which action should you take?
Y a. Back off on the capstan a bit and have the seaman take several more turns on the drum. N b. Have the seaman take a strain on the hawser and carefully have several turns added on the drum. N c. Have more than one seaman hold a good strain on the hawser and continue to heave easy. N d. While continuing to heave slowly on the capstan, have the seaman take several more turns on the drum. 1771: The agency which assigns load lines and issues Load Line Certificates is the __________.
Y a. American Bureau of Shipping N b. Secretary of Commerce N c. U.S. Customs N d. U.S. Coast Guard 1820: If a drill required by regulations is not completed, the Master or person in charge must __________.
N a. report this immediately to the Commandant of the Coast Guard Y b. log the reason for not completing the drill N c. conduct two of the required drills at the next opportunity N d. All of the above 1840: You are approaching a steamer that is broken down and are preparing to take her in tow. BEFORE positioning your vessel to pass the towline, you must __________.
Y a. compare the rate of drift between the ships N b. install chafing gear on the towline N c. secure the bitter end of the towing hawser to prevent loss if the tow is slipped N d. have traveling lizards rigged to guide the towline while it is paid-out 1845: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) Y c. Z (FLASH) N d. R (ROUTINE) 1888: How many legs does the bridle for an ocean tow have?
N a. One Y b. Two N c. Three N d. Four 1917: 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 14 feet?
N a. 31.42 N b. 15.71 Y c. 7.85 N d. 6.25 1941: The helm command "Left twenty" means __________.
N a. change course twenty degrees to the left Y b. put the rudder left twenty degrees N c. put the rudder hard left for the first twenty degrees of swing N d. put the rudder left twenty degrees and then ease back as the vessel starts swinging 2000: The vessel has broken down and you are going to take her in tow. The wind is on her starboard beam. Both vessels are making the same amount of leeway. Where should you position your vessel when you start running lines? (D025DG )
N a. A N b. B Y c. C N d. D 2010: On the cargo manifest, the total weight of a box containing cargo is the __________.
N a. tare weight N b. net weight Y c. gross weight N d. cargo weight 2016: The revolving drum of a winch used to haul lines is called a __________.
N a. bull gear Y b. gypsyhead N c. spanner N d. wildcat 2041: Which tackle arrangement has the LEAST mechanical advantage?
Y a. Single whip N b. Gun tackle N c. Luff tackle N d. Twofold purchase 2059: You are handling a mooring line and are instructed to "Check the line". What should you do?
N a. Ensure the bight is not fouled by taking up slack. N b. Pay out the line smartly and keep it free for running. N c. Secure the line by adding more turns. Y d. Surge the line so it maintains a strain without parting. 2093: What is the mechanical advantage of tackle number 10? (DO29DG )
N a. 4 N b. 4.5 Y c. 5 N d. 5.5 2157: You are in a fresh water port loading logs with gear rated at 5 tons, and suspect the weight of the logs exceeds the SWL of the gear. The logs are floating in the water alongside the vessel and have 95% of their volume submerged. The average length of the logs is 15 feet and the average diameter is 4.4 feet. What is the nearest average weight of the logs, based on these average measurements?
N a. 5.5 tons Y b. 6.0 tons N c. 7.7 tons N d. 24.1 tons 2174: A vessel puts into the port of Kobe, Japan to discharge cargo. While awaiting completion of the cargo operation, the vessel contracts with a local shipyard to have the hull chipped, scaled, and painted. How is the cost of this maintenance handled with the Collector of Customs?
Y a. A declaration is required and duty is involved on the total cost. N b. No declaration is required since this is considered routine maintenance. N c. A declaration is made and duty is charged on the materials only. N d. A declaration is made, but duty is charged on the labor only. 2290: The sprocket teeth on a wildcat are known as the __________.
N a. pawls N b. devil's claws Y c. whelps N d. pockets 2812: If a tug equipped with flanking rudders is to be turned in a confined circle, when going astern, the stern will move to port the quickest if __________.
Y a. the rudder is hard to port and the flanking rudders are hard to port N b. the rudder is amidships and the flanking rudders are hard to port N c. the rudder is hard to port and the flanking rudders are hard to starboard N d. all rudders are hard to starboard 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. 2852: On a small passenger vessel the collision bulkhead is __________.
N a. amidships forward of the engine room N b. just forward of the steering compartment N c. in the engine room Y d. A distance of 5% to 15% of the waterline length abaft the stem measured at the load waterline 2882: What does the line labeled "MS" denote on the Great Lakes load line model shown? (D031DG )
N a. Mean sea level N b. Midseason N c. Maximum submergence Y d. Midsummer 2900: Which statement about Naval Control of Shipping in wartime is TRUE?
Y a. It is mandatory in wartime. N b. It is mandatory in hazardous areas and voluntary in other areas. N c. It is mandatory only for vessels sailing in convoy. N d. It is mandatory for vessels bound foreign and voluntary for vessels in the coastwise trade. 2951: The helm command "meet her" means __________.
N a. decrease the rudder angle N b. note the course and steady on that heading N c. steer more carefully Y d. use rudder to check the swing 2986: Sulfuric acid is a __________.
N a. clear syrupy liquid with no odor Y b. colorless-to-brown liquid with a choking odor when hot N c. colorless liquid with a pleasant fruity odor N d. whitish liquid with a faint, pleasant odor 3004: What is NOT a basic shiphandling rule for navigating in ice concentrations on the Great Lakes?
N a. Keep moving - even very slowly, but keep moving. N b. Work with the ice movement, not against. Y c. Transit ice along pressure ridges when possible. N d. Excessive speed means ice damage. 3009: While loading cargo, a white trimming light on the starboard side comes on. This indicates that __________.
Y a. the vessel has a list of about 1` to starboard N b. the chutes should be directed to the starboard side N c. the chutes in No. 1 hold should be directed to the starboard side N d. a severe list to starboard has developed and all loading should cease 3012: Which statement about the ventilation of bulk coal is TRUE?
N a. Coal should not be ventilated; all oxygen should be excluded from the cargo. N b. Coal should be through-ventilated to remove methane and reduce the heat of spontaneous combustion. N c. Coal should be ventilated only if temperatures in the center of the cargo exceed 125°F. Y d. Coal should be surface ventilated only. 3300: You are heading into the sea during rough weather. Having too much weight forward can cause your small boat to __________.
N a. broach Y b. plunge into the wave N c. rise rapidly over the wave N d. list 3338: What is used to prevent wear on towlines that bear on hard surfaces?
Y a. Chafing gear N b. Chocks N c. Grease N d. Boots 3448: When inspecting ground tackle, fractures are most frequently found in the __________.
N a. anchor shank Y b. end links N c. swivel N d. fluke 3450: Kort nozzles are installed around the propellers of some vessels to __________.
Y a. increase the thrust of the propeller N b. protect the propeller from striking sawyers N c. prevent the propeller from striking barges towed on the hip N d. prevent the propeller from touching bottom in low water 3454: For any given pedestal crane, when the boom is lengthened, the lifting capacity is __________.
N a. unchanged N b. increased N c. eliminated Y d. decreased 3580: You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
Y a. Obey the Master. N b. Obey the Pilot. N c. Bring the rudder to a position midway between the two conflicting orders. N d. Ask the Pilot if he relinquishes control. 3587: Following a serious marine incident, a device to test an individuals breath can be used by __________.
Y a. any individual trained to conduct such tests N b. the marine employer N c. qualified medical personnel only N d. any USCG licensed deck officer 4104: The primary objective of a Ro-Ro vessel is to __________.
N a. transfer containers without chassis N b. load the vessel with palletized cargo Y c. transport vehicles N d. be loaded full and down to her marks 4105: Cargo that is suitable for carriage on Ro-Ro vessels includes __________.
N a. trailers N b. rolling vehicles N c. containers Y d. All of the above 4160: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 20 tons and 30 tons, when carried on Ro-Ro vessels?
N a. One N b. Two Y c. Three N d. Four 4188: The most important safety consideration during loading or discharge aboard a Ro-Ro vessel is __________.
N a. having all crewmembers and longshoremen wear hard hats Y b. the thorough ventilation of all cargo spaces N c. ensuring that visitors cannot come aboard N d. having the outboard anchor down 4205: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
N a. Portable power swivel Y b. Equalizing beam N c. 20-foot container spreader N d. 40-foot container spreader 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