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.
53: The objective of shoring a damaged bulkhead is to __________.
N a. force the warped, bulged, or deformed sections back into place Y b. support and hold the area in the damaged position N c. withstand subsequent additional damage N d. make a watertight seal at the damaged area 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% 152: A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 166: The distance gained in the direction of the original course when you are making a turn is known as __________.
Y a. advance N b. drift N c. tactical diameter N d. transfer 213: You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in docking. The amount of chain you should pay out is __________.
N a. 5 to 7 times the depth of the water Y b. 1 1/2 to 2 times the depth of the water N c. equal to the depth of the water N d. you should NEVER use the anchor to help in docking 305: What is considered a Serious Marine Incident?
N a. an allision that results in $500 damage to a boat dock Y b. an injury to a crewmember, passenger, or other person which requires professional medical treatment beyond first aid N c. grounding of a vessel on a sandbar that does not result in injuries and/or any damage to the vessel N d. None of the above 310: Operators of Uninspected Passenger Vessels are required to keep their Coast Guard License aboard __________.
N a. only when operating more than one mile from shore N b. only when operating at night Y c. only when carrying passengers for hire N d. At all times 334: The space above the engine room is called the __________.
Y a. fidley N b. gold locker N c. middle hatch N d. noble 417: When inspecting wire rope that has been in use for some time, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 539: Which type of shackle is used for most towing connections?
Y a. Safety shackles N b. Round pin anchor shackles N c. Screw pin shackles N d. Heart shaped shackles 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 654: A rope made of a combination of wire and fiber is known as __________.
N a. independent N b. lang lay N c. preformed Y d. spring lay 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 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 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 699: Under which condition is a tug likely to be tripped?
N a. When the tow "jumps" on the line N b. While making up to tow a large oil rig Y c. When the towing hawser leads forward of the quarter N d. When the tug exerts maximum bollard pull with the tow close astern 778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?
N a. 15 N b. 45 N c. 133 Y d. 149 826: In order to reduce your wake in a narrow channel you should __________.
N a. apply enough rudder to counter the effect of the current N b. change your course to a zigzag course Y c. reduce your speed N d. shift the weight to the stern 939: What is the purpose of pressure-vacuum relief valves?
N a. Regulation of discharge pressure from cargo pumps N b. Maintaining constant velocity in cargo lines N c. Regulation of suction head on cargo pumps Y d. To maintain a tank or void at atmospheric pressure 999: You are loading 530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels. If you continue at the same rate, you will finish at __________.
N a. 1322, 13 April N b. 1920, 13 April N c. 1120, 14 April Y d. 1305, 14 April 1015: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference to determine the sagging numeral. (Get Table Data)
N a. 71.07 numeral N b. 74.95 numeral N c. 77.56 numeral Y d. 78.29 numeral 1052: A term used to describe the dip in a towline that acts as a shock absorber is __________.
Y a. catenary N b. step N c. shock dip N d. bight 1057: The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?
N a. Application for Inspection N b. Change of Employment Y c. Permit to Proceed N d. Temporary Certificate of Inspection 1168: A vessel has completed loading cargo in the port of San Francisco. What document is signed by the Master stating the terms that goods were delivered and received by the ship?
N a. Bill of Goods Y b. Bill of Lading N c. Cargo Manifest N d. Cargo Receipt 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1220: Who certifies the safe working load of cargo cranes on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. National Cargo Bureau 1220: Who certifies the safe working load of cargo cranes on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. National Cargo Bureau 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% 1288: A document used to indicate suspected cargo damage caused by rough weather would be the __________.
N a. cargo report N b. hull damage report Y c. Master's Note of Protest N d. Unseaworthy Certificate 1326: After casting off moorings at a mooring buoy in calm weather, you should __________.
N a. go full ahead on the engine(s) Y b. back away a few lengths to clear the buoy and then go ahead on the engines N c. go half ahead on the engines and put the rudder hard right N d. go half ahead on the engines and pass upstream of the buoy 1334: Close link chain of not less the 3/4" (or the wire rope equivalent) is required for lashing deck cargoes of timber. What size flexible wire rope would provide the strength equivalent to 3/4" chain, using a safety factor of 5?
N a. 9/16" Y b. 1" N c. 1 1/4" N d. 1 3/8" 1616: In moderate wind and current what should be the length of chain with a single anchor?
Y a. 5 times the depth of the water in good holding ground N b. 10 times the depth of the water in shallow water N c. 2 times the depth of the water in poor holding ground N d. 8 times the depth of the water in deep water 1644: A rolling hitch can be used to __________.
N a. make a temporary eye N b. mouse a hook Y c. secure a line around a spar N d. shorten a line 1649: What is required to be stenciled at the heel of a cargo boom?
N a. Maximum angle of elevation permitted N b. Date of the last quadrennial test Y c. Safe working load N d. Maximum load when doubled up 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1841: If a tow sinks in shallow water, you should __________.
N a. release it immediately N b. attempt to beach it before it goes under Y c. pay out cable until it's on the bottom and place a buoy on the upper end N d. shorten cable to keep it off the bottom 1950: You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?
N a. You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors. N b. If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors. Y c. An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats. N d. Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel. 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 2005: A block that can be opened at the hook or shackle end to receive a bight of the line is a __________.
N a. bight block N b. gin block N c. heel block Y d. snatch block 2077: While assigned to a 150 GRT vessel, you are required to sign "foreign" articles on a voyage from New Orleans to which port?
N a. Houston, Texas N b. Veracruz, Mexico N c. Kingston, Jamaica Y d. Cristobal Colon, Panama 2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )
N a. This represents the load line marks when engaged on a voyage upon the Great Lakes. N b. The line directly under the triangle is at the same level as the summer load line. N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only. Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible. 2155: 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 if you assume 10% broken stowage? (D043DG )
N a. 779 cubic feet (22 cubic meters) Y b. 857 cubic feet (24 cubic meters) N c. 1047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?
N a. 3.90 sq. ft N b. 8.67 sq. ft Y c. 34.77 sq. ft N d. 50.27 sq. ft 2394: Determine the area of a triangle with a base of 3.5 feet and a height of 4.0 feet.
Y a. 7.0 square ft. N b. 7.5 square ft. N c. 11.5 square ft. N d. 14.0 square ft. 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. 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. 2612: When using the anchor to steady the bow while approaching a dock you must be aware of the fact that __________.
N a. the vessel will tend to take a large sheer towards the side where the anchor is down N b. steering control is ineffective in trying to turn to the side opposite to that of the anchor being used N c. the anchor cable must never lead under the hull Y d. using an offshore anchor decreases the chances of the anchor holding 2761: A short ton is a unit of weight consisting of __________.
N a. 1,000 pounds Y b. 2,000 pounds N c. 2,205 pounds N d. 2,240 pounds 2784: Which of the Great Lakes generally has the shortest navigation season?
N a. Lake Erie N b. Lake Huron N c. Lake Michigan Y d. Lake Superior 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 2946: Which single-letter signal, when used by icebreakers on the Great Lakes, may be made by using the ship's whistle?
N a. E N b. I Y c. M N d. None 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?
N a. "I am going ahead; follow me." N b. "You should stop your vessel instantly." Y c. "Icebreaker support is now commencing." N d. "Icebreaker support is finished." 3168: Which item is rigged to transmit the thrust from one barge to another when backing down? (D024DG )
N a. I N b. H Y c. C N d. B 3220: If you are guilty of failure to properly perform your duties as Master of Uninspected Towing Vessels, which of the following actions may NOT be taken?
N a. Issuance of a letter of warning N b. Suspension of your license N c. Revocation of your license Y d. A fine placed against your license 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3541: 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. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. N c. Carbon disulfide must be separated from pyridine by two barriers (cofferdams, voids, empty tanks, etc.). Y d. A tank of pyridine may be used to separate a tank of carbon disulfide from a tank of diisopropylamine. 3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.
N a. 24 hours N b. 18 hours Y c. 12 hours N d. 6 hours 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 4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
Y a. Drape along brackets N b. Leave in place while back loading cargo to save time N c. Hang vertically in the paint locker N d. All of the above