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.
80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?
N a. If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. N b. If the tanks are off loaded, no more than two tanks may be lifted together in a hoist. N c. When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored. Y d. All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe. 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 112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 158: A claim for cargo damages may be held against the ship owner if such damage is the result of failure of the ship's officers to __________.
N a. correct all defects in the ship's construction Y b. ensure the fitness and safety of cargo spaces N c. ensure adequate packaging of the cargo N d. prevent delays due to quarantine restrictions 208: Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________.
N a. approximately 1/2 inch longer than the measured length to allow for trimming Y b. approximately 1/2 inch shorter than the measured length to allow for wedges N c. approximately 1/2 inch shorter per foot of shoring to allow for wet expansion N d. to the same length as the measured length 232: The angle at which the fluke penetrates the soil is called the __________.
N a. tripping angle Y b. fluke angle N c. penetration angle N d. holding angle 351: Which certificate is issued by the American Bureau of Shipping?
N a. Certificate of Inspection Y b. Load Line Certificate N c. Safety Equipment Certificate N d. Permit to Proceed for repairs 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?
N a. Stringers N b. Longitudinals Y c. Transverse watertight bulkheads N d. The rake 616: "Ice blink" is __________.
N a. the dark appearance of the underside of a cloud layer due to reflection of a surface of open water N b. the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water Y c. the yellowish-white glare on the underside of a cloud layer N d. "water sky" 628: Before loading bulk grain, bilge wells must be covered to __________.
N a. add strength to the bilge well strainer N b. permit rapid flow of water to the bilge wells Y c. prevent cargo sifting into the bilge wells N d. prevent oil, water, or other liquid from reaching the cargo 629: You are planning to use a crude oil washing system. What precaution must be taken with the source tank for the washing machines?
Y a. At least one meter must be decanted from the source tank. N b. The oil in the source tank must be sampled for compatibility. N c. The source tank must have been crude oil washed at least once in the past 150 days. N d. The inert gas system must lower the oxygen content in the source tank to a maximum of 12%. 667: While towing in shallow water you should consider __________.
N a. using a short towing hawser Y b. using a floating hawser N c. the catenary and the effect it may have on the tow N d. All of the above 698: Which agency issues a certificate of loading that is evidence that the rules and regulations concerning bulk grain cargoes have been observed?
N a. American Bureau of Shipping N b. Department of Agriculture Y c. National Cargo Bureau N d. Public Health Service 767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight 783: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ___________ .
N a. evaluate the danger of each closing visual or radar contact N b. adjust speed with due regard for the weather and visibility Y c. reduce speed only where local speed limits are posted N d. enter all required test and inspection results in the vessel's log or other record carried on board 787: While assigned to a 120 GRT vessel, you are required to sign "foreign" articles on a voyage from New York City to which port?
N a. Halifax, Canada Y b. Long Beach, California N c. Veracruz, Mexico N d. Saint Maarten, Netherlands Antilles 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 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 998: When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1033: Each crewmember has an assigned firefighting station. This assignment is shown on the __________.
N a. fire fighting plan N b. shipping articles N c. Certificate of Inspection Y d. muster list 1044: Using a safety factor of 6, determine the safe working load of a line with a breaking strain of 30,000 pounds.
N a. 4,000 lbs. Y b. 5,000 lbs. N c. 20,000 lbs. N d. 100,000 lbs. 1181: Uncleared crew curios remaining on board during a domestic coastwise voyage after returning from foreign should be __________.
N a. listed in the Official Logbook N b. cleared prior to the next foreign voyage Y c. noted in the Traveling Curio Manifest N d. retained under locked security by the owner 1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 1509: If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power, which will occur?
N a. A pawl, forced by a spring mechanism, will engage the teeth of the bull gear and hold the load. Y b. An electromagnetic brake will hold the load where it is suspended. N c. The load will fall rapidly to the deck unless the foot brake is engaged. N d. The load will slowly lower to the deck under control of the drag of the winch motor. 1548: What could be used as fairleads on a towed vessel?
N a. Chocks N b. Double bitts N c. Roller chocks Y d. All of the above 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1651: Which document is NOT required by law to be posted aboard a vessel?
Y a. Official Crew List N b. Certificate of Inspection N c. Officer's licenses N d. Muster List 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 1766: When anchoring in a current, you should __________.
N a. drop the anchor with the bow headed downstream N b. back your vessel into the current Y c. anchor while stemming the current N d. All of the above 1781: Which organization usually assigns load lines to U.S. vessels?
N a. National Load-Line Agency N b. National Shipping Bureau Y c. American Bureau of Shipping N d. American Regulations Council 1830: Using the graph, if the dry bulb temperature is 76°, and the wet bulb temperature is 58°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 35% N b. 47% N c. 61% N d. 76% 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 1957: The strake of shell plating indicated by letter H is known as the __________. (D033DG )
N a. sheer strake N b. outboard keel plate Y c. garboard strake N d. bilge strake 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 2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )
Y a. A N b. B N c. C N d. D 2172: The lower hold of your vessel has a bale cubic of 52,000 cu. ft. You will load a cargo of cases, each weighing 380 lbs. and measuring 3 ft. x 2 ft. x 2 ft. The estimated broken stowage is 15%. How many tons of cases can be loaded?
N a. 137 tons N b. 161 tons Y c. 625 tons N d. 969 tons 2321: Your vessel has run aground and is touching bottom for the first one-quarter of its length. What is the LEAST desirable method from the standpoint of stability to decrease the bottom pressure?
N a. Discharge forward deck cargo. Y b. Pump out the forepeak tank. N c. Shift deck cargo aft. N d. Flood an after double-bottom tank. 2346: What is the volume of a sphere with a radius of 11 feet?
N a. 506.75 cubic ft. N b. 696.78 cubic ft. Y c. 5,575.28 cubic ft. N d. 44,593.82 cubic ft. 2347: What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?
N a. Fiber core rope offers greater strength. Y b. Fiber core rope offers greater flexibility. N c. Fiber core rope can be used at higher operating temperatures. N d. Fiber core rope is the only type authorized for cargo runners. 2579: Where are the test certificates, for wire rope used as cargo runners, and loose gear certificates usually maintained?
Y a. With the Cargo Gear Register on the ship N b. In the Official Log N c. At the Coast Guard Marine Safety Office with the vessel's inspection records N d. At the central records center of the agency testing the cargo gear 2679: Great Lakes cargo vessels, having a liferaft stowed more than 100 meters from the bow or stern, must have at least how many liferafts?
N a. One Y b. Two N c. Three N d. Four 2688: What would have the greatest affect on a vessel's longitudinal strength?
N a. Collision damage to the bow, forward of the collision bulkhead Y b. Grounding damage to the bilge strake, just aft of midships N c. Extensive corrosion to the centerline deck plating N d. Damage to the side shell, midway between the bilge and the stringer plate 2836: Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?
Y a. Lake Superior N b. Lake Michigan N c. Lake Huron N d. Lake Ontario 2839: Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________.
N a. 4 to 1 or better N b. 5 to 1 or better Y c. 6 to 1 or better N d. 8 to 1 or better 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 2919: Which statement about general average is TRUE?
N a. Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purpose. Y b. Property must have been sacrificed or an expenditure of money incurred. N c. The loss or damage to deck cargo due to heavy weather constitutes general average. N d. Of the ship, the freight, and the cargo interests, only one need be involved. 2938: Which statement concerning storm surges on the Great Lakes is FALSE?
Y a. They are common along the deeper areas of the lakes. N b. They cause rapid differences in levels between one end of the lake and the other. N c. The greatest water level difference occurs when the wind is blowing along the axis of the lake. N d. If the wind subsides rapidly, a seiche effect will most likely occur. 3000: The pipe used to connect two separate piping systems on a tank vessel is known as a __________.
Y a. crossover N b. transfer N c. connection N d. junction 3042: A Great Lakes vessel bound for Anticosti Island is exempt from the IMO Grain Regulations if the vessel meets all of the following standards EXCEPT __________.
N a. the metacentric height corrected for free surface must meet regulatory minimums throughout the voyage Y b. slack surfaces should be in a mound N c. the longitudinal strength of the vessel must not be imperiled N d. the Master must ascertain the expected weather conditions enroute 3309: Catenary as applied to tow lines denotes the __________.
Y a. dip of the line N b. stretch of the line N c. strain on the line N d. length of the line 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 3564: The angle at which the fluke penetrates the soil is called the __________.
Y a. fluke angle N b. tripping angle N c. penetration angle N d. holding angle 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4044: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 500 yards and your vessel's LOA is 484 feet. If you anchor in 8 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
N a. 6 shots N b. 5 shots N c. 4 shots Y d. 3 shots 4054: "Hanging a barge off" means to __________.
Y a. moor a damaged barge to the bank and leave N b. remove and deliver a loaded barge from a multiple tow N c. remove a barge while locking through N d. tow an empty barge astern 4101: Which of the following is a characteristic of a Ro-Ro vessel?
N a. Passenger tours available upon docking N b. Long port stays necessary to secure vehicles Y c. Short in port turnaround times N d. Heavy vehicles only require lightweight securing equipment 4147: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever. Y b. Adjust-a-matic tensioner N c. Buckle tensioner N d. Ratchet tensioner 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 4257: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. A slew drive system provides for rotation of each crane. N b. An independent slew drive system rotates the turntable. N c. Each crane is supplied with luff, hoist, and slew functions for crane load handling. Y d. All of the above