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.
18: To determine the weight capacity of a deck in a cargo hold, you would refer to the __________.
N a. deadweight scale Y b. deck capacity plan N c. cubic capacity tables N d. general arrangement plan 40: You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?
N a. Hose connections to the tank must be made with a minimum of three bolts. Y b. There must be water pressure on the fire main. N c. You must shut down if another vessel comes alongside. N d. If transferring at anchor, you must display a red flag by day and a red light at night. 44: You are using an automatic tension winch by yourself. If you get caught in the turns of the line as they lead into the gypsyhead __________.
N a. the safety cutout will stop the winch before you're injured N b. the line will part and snap back Y c. you may be pulled into the winch and injured or killed N d. None of the above are correct 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 124: Bilge soundings indicate __________.
N a. the amount of condensation in the hold N b. whether the cargo is leaking or not N c. whether the vessel is taking on water Y d. All of the above 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 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 239: Flame screens are used to __________.
N a. contain flammable fumes N b. protect firefighters from flames Y c. prevent flames from entering tanks N d. keep flames and sparks from getting out of an engine's exhaust system 246: The force exerted by a propeller which tends to throw the stern right or left is called __________.
N a. slip Y b. sidewise force N c. rotational force N d. thrust 302: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?
N a. You must have two toxic vapor detectors or the pumproom must meet special requirements. N b. Each crew member must be provided with an emergency escape breathing apparatus. Y c. A person taking cargo samples must wear protective clothing. N d. If you are carrying propionic acid also, the venting systems must be segregated. 429: A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 90°F (32°C), and it has a coefficient of expansion of .0008. What is the net amount of cargo loaded?
N a. 8856 bbls Y b. 8784 bbls N c. 8820 bbls N d. 9216 bbls 439: When loading bulk liquid cargo, what is the FIRST action you should take if a cargo valve jammed open?
N a. Trip the pump relief valve. Y b. Order the dock man to shut down. N c. Call the owner, operator, or terminal supervisor. N d. Run out the vessel's or terminal's fire hose. 488: Which data can NOT be found on a moisture equilibrium chart?
N a. Dry bulb temperature N b. Moisture content N c. Vapor pressure Y d. Wet bulb temperature 515: When compared to a fiber towing hawser, what is NOT an advantage of a wire towing hawser?
N a. Wire is easy to handle when properly spooled on the drum of a towing winch. Y b. Wire has more spring and shock resistance than fiber. N c. Wire can be used to tow heavier loads because of its smaller diameter and more manageable size. N d. Wire is subject to less deterioration if properly maintained. 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 606: For operations in pack ice, a vessel should __________.
N a. be on an even keel N b. be trimmed slightly by the head Y c. have a drag of not more than 2 to 3 feet N d. be ballasted so the forefoot is near the surface 675: An advantage of the modified Christmas Tree towing method is to __________.
N a. increase the towing hawser's catenary and provide more spring Y b. reduce catenary, allow operation in shallower water, and to release one barge without breaking up the entire tow N c. enable one tug and its crew without any outside assistance to make up or break down the tow N d. provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills 837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?
Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements N b. While operating above the US outer continental shelf N c. On vessels operating on domestic voyages only N d. Never, under any circumstances 852: How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?
Y a. Require a demonstration by the officer and the crew member N b. Require a written test N c. Require that an interpreter be provided N d. All of the above 906: A snag or other underwater obstruction may form a __________.
Y a. V-shaped ripple with the point of the V pointing upstream N b. V-shaped ripple with the point of the V pointing downstream N c. small patch of smooth water on a windy day N d. smoothing out of the vessel's wake 940: When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of __________.
Y a. flashpoint N b. stability N c. trim N d. list 1092: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.
N a. "Rudder is right 15 degrees" N b. "Aye Aye Sir" Y c. "Right 15 degrees rudder" N d. No reply is necessary, just carry out the order. 1145: You are on watch at night in clear visibility and the vessel has just been anchored. The first thing that you should do after the anchor has been let go is to __________.
N a. stop the engines Y b. take bearings to obtain ship's position N c. turn off the running lights and turn on the anchor lights N d. lower the accommodation ladder and illuminate it 1224: Which is NOT a recommended practice when handling nylon line?
N a. Nylon lines which become slippery because of oil or grease should be scrubbed down. Y b. Manila line stoppers should be used for holding nylon hawsers. N c. When easing out nylon line, keep an extra turn on the bitt to prevent slipping. N d. Iced-over nylon lines should be thawed and drained before stowing. 1430: A vessel's bottom will be subjected to tension when weight is concentrated __________.
Y a. amidships N b. aft N c. at both ends of the vessel N d. forward 1468: What will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser N b. Trimming the tow by the stern Y c. Stowing deck loads forward N d. Drogues put over the stern 1514: A 6x12, two-inch wire rope has __________.
N a. 12 strands and a two-inch diameter N b. 12 strands and a two-inch circumference Y c. 6 strands and a two-inch diameter N d. 6 strands and a two-inch circumference 1531: Maritime Administration personnel may be allowed in the pilothouse upon the responsibility of the __________.
N a. Chief Officer N b. Navigator N c. most senior person present from the Maritime Administration Y d. officer in charge of the watch 1549: On your vessel, a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom, what safety factor should you use?
N a. Three Y b. Five N c. Six N d. Seven 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 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1716: Which is the correct procedure for anchoring a small to medium size vessel in deep water?
N a. Let the anchor fall free from the hawsepipe, but apply the brake at intervals to check the rate of fall. N b. Back the anchor slowly out of the hawsepipe a few feet, and then let it fall in the normal fashion. N c. Let the anchor fall off the brake right from the hawsepipe, but keep a slight strain on the brake. Y d. Under power, back the anchor out until it is near, but clear, of the bottom before letting it fall. 1743: A mooring line leading at nearly right angles to the keel is a __________.
N a. bow line Y b. breast line N c. spring line N d. stern line 1758: As operator of a 199 GT towing vessel sailing foreign, it shall be your duty to enter in the Official Logbook or other permanent record __________.
N a. all information contained on the barge's Certificate of Inspection N b. the condition of all towing gear to be used N c. all navigational aids to be used Y d. the barges load line and draft readings 1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.
N a. constantly shifting the rudder N b. moving all passengers to one side of the boat Y c. rigging a sea anchor N d. moving all passengers to the stern 1857: The knot lettered T in illustration DO30DG is a __________. (DO30DG )
N a. round turn and two half hitches Y b. French bowline N c. carrick bend N d. stopper hitch 1982: You are using tackle number 8 to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 120 lbs. N b. 55 lbs. Y c. 40 lbs. N d. 37 lbs. 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2181: When relieving the helm, the new helmsman should know the __________.
Y a. course per magnetic steering compass N b. gyro error N c. variation N d. maximum rudder angle previously used 2206: You are using tackle number 6 in illustration DO29DG to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
Y a. 80 lbs. N b. 69 lbs. N c. 55 lbs. N d. 50 lbs. 2227: You are using tackle number 4 in illustration DO29DG to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 20 lbs. N b. 30 lbs. Y c. 42 lbs. N d. 57 lbs. 2265: 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 shown. Based on this information, what is the transfer for a turn of 45°? (D034DG )
Y a. 130 yards N b. 165 yards N c. 195 yards N d. 230 yards 2287: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
Y a. 30 minutes to 1 hour N b. 1 to 6 hours N c. 3 hours to start of business the following day N d. 10 minutes if possible 2486: Which weld fault can only be detected by a method that examines the internal structure of a weld?
N a. Undercut N b. Lack of reinforcement N c. Overlap Y d. Lack of penetration 2493: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?
N a. A flammable gas detection system must be installed in each cargo pump room. N b. Tanks may not be located "on deck". N c. Carriage of this cargo is authorized by issuance of an IMO Certificate. Y d. Aluminum and copper alloys are prohibited from being in valve parts in contact with the cargo. 2609: Which tanker discharge pattern would be the safest and most efficient?
N a. Empty the forward tanks and start working aft, emptying each tank in sequence Y b. Start discharging with most of the discharge coming from forward, but include some from midships and after tanks N c. Start pumping from forward, midships, and aft with the discharge distributed equally among the tanks N d. Start pumping from midships and then work forward and aft simultaneously as the midships tank is emptied 2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?
Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases. N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien. N c. Damage caused by riot of the population of a port. N d. Losses caused by fines from polluting the harbor after malfunction of a piping system. 2769: You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with the code word __________.
Y a. MERWARN N b. NUCLEAR N c. FALLOUT N d. FALLWARN 2980: What is a step in attaching a poured metal socket to a wire rope?
Y a. Etch the wire with acid. N b. Install a wire seizing on the wire that will be inside the socket. N c. Ensure the fiber core is well lubricated. N d. Pour molten babbitt metal into the socket. 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. 3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.
N a. trip or capsize Y b. foul the towline N c. go into irons N d. part the towing strap 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. 3330: When towing astern, chafing gear should NOT be used on a hawser which is __________.
N a. attached to an "H" bitt Y b. attached to an automatic towing engine N c. held amidships by a gob rope N d. connected to a swivel 3431: A high cube container is designed specifically to __________.
Y a. carry low density cargoes N b. protect fragile cargoes N c. stow cargoes with concentrated weights such as machinery N d. carry cargoes of very low stowage factors 3463: Deckhands onboard towing vessels shall be divided into 3 watches when the trip exceeds __________.
N a. 1000 miles N b. 800 miles N c. 700 miles Y d. 600 miles 3610: You have a tow of chemical barges. The mate reports an ammonia smell around the head of the tow. You would suspect a leak in the barge carrying __________.
N a. methyl chloride N b. heptane N c. propanolamine Y d. morpholine 3686: If the towline parts, you should __________.
N a. start pushing ahead N b. abandon the towing vessel Y c. retrieve the tow bridle N d. relieve strain on the retrieving line 4022: Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). What action should you take?
N a. Reduce speed Y b. Stop your engines N c. Reverse your engines N d. Stop your vessel instantly 4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Turn on the red cargo light. N b. Turn on pumproom ventilation. N c. Call out the deck department for all hands. Y d. Raise/open the stern door. 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