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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 101: You can safely step in the bight of a line __________.
N a. when it is not under strain N b. if both ends are made fast N c. in an emergency Y d. at no time 193: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
N a. the Light List N b. the International Code of Signals (PUB 102) Y c. Radio Navigational Aids (PUB 117) N d. the Coast Pilot 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 475: In illustration D044DG, the mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line Y b. breast line N c. forward spring line N d. None of the above 508: When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.
N a. secure all ventilation N b. shut down the exhaust blowers N c. shut down the intake blowers Y d. ventilate the cargo holds 660: You receive word that a person has fallen overboard from the starboard side. You should FIRST __________.
N a. notify the Master Y b. put the wheel hard right N c. put the engines full astern N d. sound the man overboard alarm 691: On U.S. flag vessels, which certificate is always issued by the Coast Guard?
N a. Load Line Certificate Y b. Safety Equipment Certificate N c. Safety Construction Certificate N d. Register of cargo gear 691: On U.S. flag vessels, which certificate is always issued by the Coast Guard?
N a. Load Line Certificate Y b. Safety Equipment Certificate N c. Safety Construction Certificate N d. Register of cargo gear 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 816: Water may boil up around the stern of a vessel in a channel due to __________.
N a. slack water when upbound Y b. shallow water N c. a cross current N d. a head current 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 922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?
N a. Shut down the cargo hold ventilation. N b. Sound the fire alarm signal to rouse out all hands. N c. Call the Master. Y d. Proceed to the space and inspect the extent of the fire. 923: An advantage of nylon rope over manila rope is that nylon rope __________.
Y a. can hold a load even when a considerable number of the yarns have been abraded N b. can be stored on deck, exposed to sunlight N c. can be used in conjunction with wire or spring-lay rope N d. gives audible warning of overstress whereas manila does not 938: The deck load capacity of a compartment into which you intend to load a cargo of soft brick is 380 lbs. per sq. ft. The stowage factor of the brick is 21.3. Disregarding broken stowage, what is the maximum height the brick may be stacked without endangering the structure?
N a. 1.7 feet Y b. 3.6 feet N c. 5.0 feet N d. 7.1 feet 979: A cargo of oil has a coefficient of expansion of .0005 per degree F. If this cargo is loaded at 70°F, and a cargo temperature of 90°F is expected at the discharge port, how many barrels would you expect to unload if you loaded 10,000 barrels?
N a. 9,900 N b. 9,990 N c. 10,010 Y d. 10,100 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 1087: The turning circle of a vessel is the path followed by the __________.
Y a. center of gravity N b. outermost part of the ship while making the circle N c. bow N d. tipping center 1101: A vessel puts into the port of Kobe, Japan, to discharge cargo. The vessel contracts a local shipyard to have the hull chipped and scaled. If the vessel provides the primer and paint, which statement is TRUE?
N a. You need NOT declare the cost of labor, since no duty is involved. N b. You need NOT declare the cost of labor, since this is considered ship's personnel work. Y c. You MUST declare the cost of labor and pay duty. N d. You MUST declare the cost of labor, but no duty is charged since labor is involved. 1155: In the context of shiphandling, what would be the definition of shallow water?
Y a. Water depth of less than twice a vessel's draft N b. Water depth of less than 1½ times a vessel's draft N c. Under keel clearance of twice a vessel's draft N d. Under keel clearance of less than 10 feet 1277: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 4 OKTAs concentration?
N a. 25% N b. 40% Y c. 50% N d. 67% 1305: What is an advantage of the 6X19 class of wire rope over the 6X37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better for towing N c. More resistance to elongation Y d. More resistance to corrosion 1461: While a vessel is at sea, the mate on watch discovers a fire in one of the hatches. Fire hoses are used to put the fire out and some of the cargo is damaged by water. In marine insurance terms, this partial loss by water is called __________.
N a. an Act of God N b. fire and water damage Y c. general average N d. particular average 1515: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 30 minutes to 1 hour N b. 1 to 6 hours Y c. 3 hours to start of business the following day N d. 10 minutes if possible 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1614: Which bend or knot is used to tie a small line to a larger one?
Y a. Becket bend N b. Bowline N c. Clove hitch N d. Lark's head 1675: What is the name of the mark indicated by the letter D? (D003DG )
Y a. Tropical load line N b. Summer load line N c. Fresh load line N d. Winter load line 1780: The term that indicates how many tons of cargo a vessel can carry is __________.
N a. bale cubic Y b. deadweight N c. gross tonnage N d. loaded displacement 1836: While towing, what is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. The barge may swing too quickly and run over the tug. Y b. The barge may pass under the hawser and capsize the tug. N c. Free surface affect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1844: A wooden float placed between a ship and a dock to prevent damage to both is called a __________.
Y a. camel N b. dolphin N c. rat guard N d. wedge 1853: A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a __________.
N a. hawser which is used to pass a tail-block and whip to the vessel N b. hawser with breeches buoy and harness attached N c. hawser which should be made fast to the vessel below the intended location of the tail-block Y d. tail-block and whip which may be used to pass a hawser to the vessel 1916: Using the graph shown, if the dry bulb temperature is 68°, and the wet bulb temperature is 65°, what is the relative humidity in a cargo hold? ( D008DG )
N a. 66% N b. 74% Y c. 82% N d. 90% 1920: Which form of navigation may be suspended without notice under defense planning?
Y a. electronic N b. celestial N c. piloting N d. None of the above 1926: 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 12 feet?
Y a. 6.73 T N b. 7.85 T N c. 13.46 T N d. 26.93 T 1969: If you shorten the scope of anchor cable, your anchor's holding power __________.
Y a. decreases N b. increases N c. remains the same N d. has no relation to the scope 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 1984: Your load line certificate expires on 27 May 1988. The vessel is surveyed on that date and is found satisfactory. You are sailing foreign the same day. Which statement is TRUE?
N a. A new certificate must be issued before you sail. N b. The existing certificate is endorsed as valid for a five year period commencing 27 May 1988. Y c. The existing certificate is extended for a period of up to 150 days. N d. The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor. 2027: Your vessel is issued a load line certificate dated 27 May 1992. What is NOT an acceptable date for one of the surveys for endorsements?
N a. 28-Feb-93 Y b. 27-Nov-93 N c. 26-Aug-94 N d. 27-May-95 2202: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence will you assign this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) Y d. Z (FLASH) 2352: The recessed areas on a wildcat are called __________.
N a. pawls N b. sockets Y c. pockets N d. devil's claws 2356: "Hard right rudder" means __________.
N a. jam the rudder against the stops N b. meet a swing to the right, then return to amidships Y c. put the rudder over to the right all the way N d. put the rudder over quickly to 15 degrees right rudder 2603: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
Y a. Your vessel is at anchor and grounds at low tide with no apparent damage. N b. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N c. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. N d. Storm damage to the cargo winch motors requires repairs costing $19,000. 2636: When riveted joints occur at the ends of plating they are called __________.
N a. trailers N b. terminals N c. seams Y d. butts 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. 2959: A metal ring on the bottom of a block, to which the standing part of a tackle is spliced, is known as a(n) __________.
Y a. becket N b. loop N c. swivel N d. eye 3100: A holder of a license as Master of towing vessels may work each 24 hours for a period not to exceed __________.
N a. 6 hours Y b. 12 hours N c. 18 hours N d. 24 hours 3342: Which term refers to a transverse curvature of the deck?
N a. Deadrise Y b. Camber N c. Freeboard N d. Flare 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 3556: The choice of length of tow bridle legs is governed by the __________.
N a. expected towing forces N b. capability of retrieving gear N c. freeboard of the unit being towed Y d. need to reduce yaw 3589: A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and __________.
N a. transportation to the port of engagement N b. one month's pay only N c. one month's pay or transportation to the nearest U.S. port, whichever is the least amount Y d. one month's pay or transportation to the nearest U.S. port, whichever is the greater amount 3632: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
Y a. The thrust on the boom is greater at 60°. N b. The stress on the topping lift is greater at 60°. N c. The stress on the heel block is less at 20°. N d. The stress on the head block is less at 60°. 3740: Instructions to the crew in the use of all the ship's lifesaving equipment shall be completed __________.
N a. before sailing N b. within one week of sailing N c. in one month and repeated quarterly Y d. within any two month period 4040: When towing another vessel astern, the length of the towline should be __________.
N a. as long as possible N b. such that one vessel will be on a crest while the other is in a trough Y c. such that the vessels will be "in step" N d. not over two wave lengths in seas up to 10 feet 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 4153: What should you be concerned with when loading and securing vehicles on a Ro-Ro?
Y a. Number, position and angle of lashes N b. Number of axles N c. Disconnecting the battery cables to prevent fire hazard N d. Minor air pressure changes in the tires 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All 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 4254: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. Each single boom is of the partial-level luffing type and is capable of limited rotation. N b. A slew drive system provides for rotation of each crane. N c. Maintenance logs and records are to be kept for each crane. Y d. All of the above 4260: Which statement(s) is/are TRUE regarding the operation of a crane?
Y a. The load is handled by the hoisting winch and cargo block. N b. The crane jib is raised and lowered by the hoisting winch. N c. The cargo block is raised and lowered by the luffing winch. N d. All the above