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.
58: Odorous cargoes are those that __________.
N a. are exceptionally dusty and leave a residue N b. are liquid but are in containers N c. are susceptible to damage by tainting Y d. give off fumes that may damage other cargoes 59: Combustible liquid is defined as any liquid having a flash point above __________.
N a. 40°F ( 4°C) Y b. 80°F (27°C) N c. 110°F (43°C) N d. 150°F (66°C) 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 227: An ocean towing bridle should __________.
Y a. have equal legs of sufficient length N b. have a large angle between the legs N c. be formed on a bight of cable through a ring N d. never be made up of chain 280: Your ship is in a neutral port when full Naval Control of Shipping is established. You may expect to be boarded and instructed by a(n) __________.
N a. U.S. Naval Control of Shipping Officer N b. allied Naval Control of Shipping Officer N c. Consular Shipping Advisors (CONSA) Y d. Any of the above 330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.
N a. in the radio room N b. in the ship's office Y c. on or near the bridge N d. outside the Captain's stateroom 346: A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind, the vessel will most likely back __________.
N a. straight astern Y b. to port N c. to starboard N d. in no particular direction 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 478: The moisture equilibrium chart can be used to determine the __________.
N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo 554: Which part of the patent anchor performs the same function as the stock of an old fashioned anchor; that is, forces the flukes to dig in?
N a. Bill or pea N b. Arm N c. Shank Y d. Tripping Palm 651: Fire fighting equipment requirements for a particular vessel may be found on the __________.
Y a. 4Certificate of Inspection N b. Certificate of Seaworthiness N c. Classification Certificate N d. Certificate of Registry 664: Coiling new rope against the lay, bringing the lower end up through the center of the coil, then coiling with the lay, in order to remove the kinks, is known as __________.
N a. coiling N b. faking N c. flemishing Y d. thoroughfooting 693: The effect of excessive catenary in shallow water may be __________.
N a. dragging the towing hawser along the bottom and chafing it N b. snagging sunken or submerged objects N c. slowing, stopping or endangering the towing operation by placing the tug in irons Y d. All of the above 713: How do the height and location of a tug's towing bitts relate to the danger of tripping?
Y a. The further forward and closer to amidships the more readily the tug will trip. N b. Placement further aft permits more effective pulling, better steering and eliminates the danger of tripping. N c. Installing the bitts down low lowers the center of gravity. N d. The height and position of towing bitts has no significance. 739: Camphor oil is classified as a grade __________.
N a. A N b. C Y c. D N d. E 790: Which statement is TRUE of centrifugal pumps aboard tank vessels?
N a. They are positive displacement pumps. Y b. They are gravity-fed. N c. They produce a pulsating flow. N d. They require more maintenance than a reciprocating pump. 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 835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?
Y a. 50% N b. 65% N c. 75% N d. 100% 881: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. completely black out the entry and rewrite Y c. draw a line through the entry, rewrite, and initial N d. draw several lines through the entry and rewrite 964: To coil a left-hand laid rope, you should coil the line in __________.
N a. a clockwise direction only Y b. a counterclockwise direction only N c. an alternating clockwise and counterclockwise direction N d. either a clockwise or a counterclockwise direction 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 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 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1137: When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water __________.
N a. to easily remove the kinks that form in the lines N b. to allow the seamen on the stage to know the direction and strength of the current Y c. to provide the seaman something to hold onto if he or she falls from the stage into the water N d. only for short periods of time since they will become waterlogged and be very heavy to pull up 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. 1384: The wire rope used for cargo handling on board your vessel has a safe working load of eight tons. It shall be able to withstand a breaking test load of __________.
N a. 32 tons Y b. 40 tons N c. 48 tons N d. 64 tons 1420: Tensile stress is a result of two forces acting in __________.
Y a. opposite directions on the same line, tending to pull the material apart N b. opposite directions on the same line, tending to compress the object N c. opposite directions along parallel lines N d. the same direction along parallel lines 1424: A wire rope for a 10-ton boom on a vessel shows signs of excessive wear and must be replaced. What safety factor should be used when ordering a new wire?
N a. 4 Y b. 5 N c. 6 N d. 7 1436: How many feet are there in 2 shots of anchor chain?
N a. 50 N b. 60 Y c. 180 N d. 360 1618: A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel __________.
N a. permits the rudder to move faster N b. generates more power Y c. can turn without using her rudder N d. can suck the water away from the rudder 1684: Temporary seizings on wire rope are made with __________.
N a. marline N b. sail twine N c. tape Y d. wire 1719: What is a CORRECT reply to a pilot's request, "How's your head"?
N a. "Steady" N b. "Eased to 10° rudder" N c. "Checked" Y d. "Passing 50°" 1769: Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vertical. What is the stress on each fall?
Y a. Port 1.5 tons, starboard 1.0 tons N b. Port 1.5 tons, starboard 1.5 tons N c. Port 1.7 tons, starboard 1.3 tons N d. Port 1.7 tons, starboard 2.0 tons 1791: Which factor does NOT affect the required freeboard of a cargo vessel?
N a. Season of the year N b. Geographic zone of operation N c. Density of the water Y d. Condition of trim in normal operation 1793: The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are __________.
Y a. bow and stern lines N b. breast lines N c. halyards N d. warps 1888: How many legs does the bridle for an ocean tow have?
N a. One Y b. Two N c. Three N d. Four 1948: The Honolulu (Christmas tree) tow was devised to __________.
Y a. keep the catenary to a minimum N b. allow easy removal of a center tow N c. reduce hawser length N d. increase the catenary 2025: What is the chief hazard encountered when surging synthetic mooring lines on the gypsyhead during operations?
N a. If there is sudden strain, the man tending the line may be pulled into the gypsyhead. N b. The lines may jam and then jump off the gypsyhead. N c. The lines' surging may cause the vessel to surge. Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead. 2028: When making up a long, large coastwise tow, which of the following procedures is INCORRECT?
N a. A chain towing bridle is generally preferred N b. Safety shackles should be used when connecting to the fishplate N c. Rig tripping ropes (retrieving lines) Y d. Back-up wires are left slack 2038: With a large ocean tow in heavy weather, you should NOT __________.
N a. keep the stern of the tug well down in the water Y b. adjust the towline so the tug is on the crest when the tow is in the trough N c. keep the low point of the catenary in the water N d. use a long towing hawser 2107: What is the name of the mark indicated by the letter A? (D003DG )
N a. Winter North Atlantic load line N b. Fresh Water load line Y c. Deck line N d. Plimsoll line 2145: The fo'c'sle card __________.
N a. is posted in the crews quarters and lists the emergency stations Y b. advises the crew of the conditions of employment N c. is also known as a Merchant Mariner's Document N d. designates the quarters a seaman will occupy during a voyage 2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )
N a. 2 N b. 4 Y c. 5 N d. 5.5 2246: Cargoes that might leak from containers are known as __________.
N a. dirty cargoes N b. caustic cargoes Y c. wet cargoes N d. bulk cargoes 2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.
N a. hauling vertically on the line N b. making the line fast to the bitt and bringing the vessel further forward Y c. reversing the angle and direction of pull, with moderate scope N d. increasing the scope and running slowly in a wide circle with the anchor line taut 2704: The legs of a tow bridle are joined together with a __________.
N a. bridle plate N b. shackle Y c. fishplate N d. tri-link 2817: The command "meet her" means the helmsman should __________.
N a. decrease the rudder angle N b. steer more carefully Y c. use rudder to slow the vessel's swing N d. note the course and steady on that heading 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )
Y a. 779 cubic feet (22 cubic meters) N b. 992 cubic feet (28 cubic meters) N c. 1,047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 3180: A license issued by the U.S. Coast Guard for Master of 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. life and need not be renewed 3239: Which term indicates the rise in height of the bottom plating from the plane of the base line?
Y a. Deadrise N b. Camber N c. Molded height N d. Sheer 3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.
N a. keep lifting N b. swing right N c. swing left Y d. emergency stop 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°. 4049: Tugs sometimes shackle a length of chain in the towline in order to __________.
N a. take the wear should the towline drag bottom N b. assure that if the towline is overstressed it will part close to the bridle N c. prevent the towline from whipping should it part Y d. put spring in the towline 4123: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. any force of gravity acting on the lashes N b. rolling N c. pitching Y d. All of the above 4142: The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.
N a. is Lighter than chain N b. has a good working life N c. is not affected by temperature Y d. All of the above 4213: What does a jib refer to on a crane?
Y a. Boom N b. Topping lift N c. Control cab N d. Liftline 4223: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Boom luffing falls Y b. Cargo hoist falls N c. Remote block tagline system N d. Slewing cable 4237: What is used to power modern pedestal cranes?
N a. Steam N b. Water Y c. Hydraulics N d. All of the above 4262: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Do not exceed rated load capacity of crane and container spreader or slings. N b. During any cargo handling operation, the safety of personnel is paramount. N c. Cargo handlers must be outfitted with adequate protection from personal injury. Y d. All the above