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.
118: Damage to cargo caused by fumes or vapors from liquids, gases, or solids is known as __________.
N a. contamination N b. oxidation Y c. tainting N d. vaporization 201: Your vessel is in a foreign port and you find that one of the crew members has been incarcerated for drunkenness. The Official Logbook shows that the seaman doesn't have funds to cover the costs of the fine. Which action should the Master take?
N a. Inventory his gear and send it and a pay voucher ashore with the agent. N b. Leave the seaman in jail and log him as a fail to join after the vessel sails. N c. Leave the seaman in jail and log him as a deserter after the vessel sails. Y d. Pay the seaman's fine. 219: What refers to the depth of a petroleum product in a tank?
Y a. Innage N b. Outage N c. Thievage N d. Ullage 260: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.
N a. have the U.S.C.G. Captain of the Port approve the shipment N b. note an exception on the Bill of Lading N c. repair or replace the packaging before stowage Y d. seek the shipper's advice with regard to withdrawal, repair, or replacement 261: A seaman about to be discharged has a Continuous Discharge Book. Which statement is TRUE?
N a. A Certificate of Discharge Form should be attached to the book. N b. An entry should be made in the book and a Certificate of Discharge Form issued to the seaman. N c. If a vessel was on coastwise articles, the record of discharge will be made in the Official Logbook. Y d. The record of entry in the book must be submitted to the Coast Guard. 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 453: What purpose does a tow hook serve?
Y a. To quickly connect or release the towing hawser N b. To help pick up the towing hawser from the water N c. To prevent the towing hawser from fouling the propeller N d. To recover the towing hawser from a barge 506: With rudders amidships and negligible wind, a twin-screw vessel moving astern with both engines backing will back __________.
N a. to port N b. to starboard Y c. in a fairly straight line N d. in a circular motion 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 572: A vessel is entering port "A" for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y d. Recommend an alternative action and if not followed relieve the Pilot. A dark appearance of the sky: A yellowish glare in the sky
Y a. The presence of seals or certain type birds N b. N c. N d. 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective 743: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. towing arch N b. jockey bar N c. chafing bar Y d. Dutch tow bar 851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?
N a. The maintenance of an Official Logbook is optional. N b. The vessel must be on foreign articles. N c. This is considered a coastwise voyage. Y d. An Official Logbook must be maintained. 927: Sluicing or slushing wire rope __________.
N a. prevents internal and external rust and corrosion N b. reduces chafing and increases its useful service life N c. reduces internal friction within the wire Y d. All of the above 970: What is the difference between net tonnage and gross tonnage?
Y a. Net tonnage is the gross tonnage less certain deductions for machinery and other areas. N b. Net tonnage is tonnage of cargo compared to tonnage of whole ship. N c. Net tonnage is the net weight of the ship. N d. There is no difference. 1050: The "margin plate" is the __________.
Y a. outboard strake of plating on each side of an inner bottom N b. outer strake of plating on each side of the main deck of a vessel N c. plate which sits atop the center vertical keel N d. uppermost continuous strake of plating on the shell of a vessel 1056: In which situation could a vessel most easily capsize?
N a. Running into head seas Y b. Running in the trough N c. Running with following seas N d. Anchored with your bow into the seas 1226: You are docking a vessel starboard side to with the assistance of two tugs. You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power. You must ensure that __________.
N a. steerageway is not taken off N b. the bow doesn't close the dock first N c. the bow closes the dock first Y d. the ship has no headway at the time 1271: The citizenship of a crew member of a vessel in a U.S. port is determined solely by the __________.
N a. Customs Officer Y b. Immigration Officer N c. Coast Guard N d. Union Official 1390: The body plan of a vessel is a(n) __________.
Y a. endwise view of the ship's molded form N b. longitudinal side elevation view N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes N d. vertical view made looking up in the ship, with the keel at the center 1516: The length of a standard "shot" of chain is __________.
N a. 12 fathoms Y b. 15 fathoms N c. 18 fathoms N d. 20 fathoms 1521: An underwriter is liable for __________.
N a. loss arising from the subject itself because of its inherent qualities N b. loss caused by the ordinary evaporation of liquids Y c. loss caused by heavy weather N d. the natural decay of the vessel due to the passage of time 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 1622: What is NOT an indication that pack ice may be nearby?
Y a. The presence of icebergs N b. Ice blink N c. Absence of wave motion N d. Sighting a walrus in the Arctic 1627: A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to __________.
Y a. ensure the fitness and safety of cargo spaces N b. ensure adequate packaging of the cargo N c. prevent delays due to quarantine restrictions N d. correct all defects in the ship's construction 1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.
N a. International Maritime Organization N b. Corps of Engineers Y c. Coast Guard N d. American Bureau of Shipping 1718: A combustible liquid with a flash point of 90°F would be grade __________.
N a. B N b. C Y c. D N d. E 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1805: In towing it is desirable for the tug and the tow to ride wave crests simultaneously because __________.
Y a. shock loading on the tow line is reduced N b. towing speed is improved N c. the tow is more visible from the tug N d. the catenary of the towline is reduced 2057: While assigned to a 106 GRT vessel, you are required to sign "foreign" articles on a voyage from San Francisco to which port?
N a. Mazatlan, Mexico (west coast) N b. Vera Cruz, Mexico (east coast) Y c. New York, NY N d. Vancouver, Canada (west coast) 2098: Snow has obliterated surface features and the sky is covered with uniform, altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called?
N a. Ice blink Y b. Whiteout N c. Water sky N d. Aurora reflection 2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
N a. 47.0°F N b. 51.5°F Y c. 59.0°F N d. 70.0°F 2235: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 75°? (D034DG )
Y a. 800 yards (720 meters) N b. 860 yards (774 meters) N c. 910 yards (819 meters) N d. 955 yards (860 meters) 2238: What is the area of a circle with a radius of 12 feet after a sector of 60° has been removed?
N a. 18.85 square feet N b. 75.40 square feet N c. 94.25 square feet Y d. 376.99 square feet 2388: What is the area of a circle with a diameter of 4 feet after a sector of 120° has been removed?
N a. 2.67 square ft. N b. 4.19 square ft. Y c. 8.38 square ft. N d. 10.67 square ft. 2489: A post on a dock or wharf used to secure mooring lines or hawsers is called a __________.
N a. bitt Y b. bollard N c. cleat N d. capstan 2539: The distance between rivets in a row is known as the __________.
N a. arm Y b. pitch N c. gage N d. rivet distance 2597: On a small boat, if someone fell overboard and you did not know over which side the person fell, you should __________.
N a. immediately reverse the engines Y b. stop the propellers from turning and throw a ring buoy over the side N c. increase speed to full to get the vessel away from the person N d. first put the rudder hard over in either direction 2632: The horizontal flat surfaces where the upper stock joins the rudder are the __________.
N a. rudder keys Y b. rudder palms N c. lifting flanges N d. shoes of the rudder 2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 16 2816: Which statement is TRUE concerning lighting requirements for Great Lakes vessels?
N a. The showing of a forward masthead light is optional for vessels under 150 meters. Y b. An all-round white light may be carried in lieu of the second masthead light and stern light. N c. Sidelights for vessels over 50 meters are required to have only a two-mile range of visibility. N d. Great Lakes vessels are exempted from the requirement to show yellow towing lights. 2929: A vessel is loaded to her summer marks for a voyage from Montreal, Canada to Duluth, MN via the Great Lakes System. The voyage has been estimated to take nine (9) days. If the vessel departs Montreal on September 28th, which of the following statements is TRUE?
N a. The vessel must be at her summer marks when she arrives at Duluth. N b. The vessel is in violation of the load line requirements. Y c. The vessel's intermediate load line marks may not be submerged after September 30. N d. The vessel must be at her winter marks by the evening of the third day. 2940: A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the __________.
N a. vessel's horsepower N b. sea state N c. number of propellers Y d. vessel's displacement 3082: Which statement is FALSE with regards to the Great Lakes Light List?
Y a. The Light List does not contain information on any of the navigational aids maintained by Canada. N b. Volume VII does not include information on Class III private aids to navigation. N c. The Light List does not include Coast Guard mooring buoys, special purpose buoys, or buoys marking fish net areas. N d. The Light List should be corrected each week from the appropriate Notice to Mariners. 3143: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. Y b. Certificates of Discharge are not required to be issued. N c. Able seamen are required in the deck crew. N d. All crew members shall have Merchant Mariner's Documents. 3164: How should you signal the crane operator to lower the boom and raise the load?
N a. Extend arm and point finger in the direction to move the boom. Y b. Extend arm with thumb pointing downward and flex fingers in and out. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. N d. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. 3339: Pitching is angular motion of the vessel about what axis?
N a. Longitudinal Y b. Transverse N c. Vertical N d. Centerline 3396: A tow that veers to the side on the end of the towline is said to __________.
Y a. yaw N b. surge N c. sway N d. swing 3434: The Scharnow turn should be used in a man overboard situation only when __________.
N a. the man can be kept in sight from the bridge while maneuvering N b. the turn is started immediately when the man goes over Y c. there has been sufficient time elapsed since the man went over to complete the maneuver N d. the vessel has twin screws to assist in making the turn 3459: The pea is indicated by which letter? (D038DG )
Y a. J N b. H N c. G N d. F 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. 3776: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)
Y a. 29.70 numeral N b. 33.63 numeral N c. 49.82 numeral N d. 58.33 numeral 4057: Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
Y a. Bow spring line N b. Inshore head line N c. Stern breast line N d. Bow breast line 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 4138: The disadvantage(s) of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is heavy N b. the links lose strength if placed over corners N c. it does not absorb shock Y 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 4379: When relieving the helm, the new helmsman should know the __________.
N a. maximum rudder angle previously used N b. gyro error N c. variation Y d. course per magnetic steering compass