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.
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 258: 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. Y b. The cargo may be gauged by automatic float type devices. N c. Carriage of this cargo is authorized by issuance of an IMO Certificate. N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo. 271: Total responsibility for shipping and discharging the seamen is that of the __________.
Y a. Master of the vessel N b. steamship company N c. U.S. Custom Service N d. U.S. Coast Guard 375: The best line for towing small vessels is __________.
N a. three strand nylon Y b. double-braided nylon N c. polypropylene N d. manila 414: To "ease" a line means to __________.
N a. cast off N b. double up so that one line does not take all the strain Y c. pay out line to remove most of the tension N d. slack it off quickly 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 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 457: You are the operator of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 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 723: What safety precautions must you take when maneuvering on a towing hook?
N a. The engines must be operated on the slow bell. Y b. Clear the afterdeck and fantail of personnel. N c. Lash the hook closed so it does not open accidentally. N d. The towing winch engine must be running. 798: How many cubic feet of space is required to stow 775 tons of a cargo with a stowage factor of 25? (estimated broken stowage is 15%)
N a. 12,916 Y b. 22,794 N c. 25,833 N d. 29,397 835: 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% 836: River currents tend to __________.
N a. pick up speed where the channel widens N b. run slower in the center of the channel N c. hug the inside of a bend Y d. cause the greatest depth of water to be along the outside of a bend 840: The terms "cant frame" and "counter" are associated with the vessel's __________.
N a. cargo hatch N b. forecastle N c. steering engine Y d. stern 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. 876: You intend to overtake a vessel in a narrow channel. As you approach the other vessel's stern __________.
N a. you will gain speed N b. both vessels will gain speed Y c. the vessels will drift together N d. the vessels will drift apart 912: You are aboard vessel "A" in a narrow channel and the pilot is approaching vessel "B" as shown. The reason he has not previously changed course to the starboard side of the channel is __________. (DIAGRAM 37 )
N a. to avoid vessel squat in the shallower water near the bank Y b. to avoid the effects of bank cushion and bank suction N c. because there is less chance of striking submerged objects in mid-channel N d. because the current has less eddies in mid-channel 978: Anyone voluntarily surrendering their license to a U.S. Coast Guard investigating officer signs a statement indicating that __________.
N a. all title to the license is given up for 5 years Y b. their rights to a hearing are waived N c. they may be issued a new license in 5 years after passing another written examination N d. All of the above 1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.
N a. exemption space N b. tonnage deck N c. cofferdam Y d. tonnage opening 1046: In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, you should __________.
Y a. use more right rudder N b. use more left rudder N c. increase speed N d. decrease speed 1115: The proper way to correct a mistake in the logbook is to __________.
N a. draw several lines through the entry, rewrite, and initial the correction Y b. draw a line through the entry, rewrite, and initial the correction N c. completely black out the entry, rewrite, and initial the correction N d. erase the entry and rewrite 1126: You are approaching a pier and intend to use the port anchor to assist in docking port side to. You would NOT use the anchor if __________.
N a. the current was setting you on the pier N b. another vessel is berthed ahead of your position N c. the wind was blowing from the starboard side Y d. there is shallow water enroute to the berth 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1240: Bilge keels are fitted on ships to __________.
N a. assist in dry dock alignment N b. improve the vessel's stability N c. protect the vessel from slamming against piers Y d. reduce the rolling of the vessel 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1494: After splicing an eye in a piece of wire rope, the splice should be parceled and served to __________.
N a. strengthen the line N b. increase its efficiency Y c. prevent hand injury by covering loose ends N d. make the line more flexible 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1665: Which picture in illustration DO30DG represents a sailmaker's whipping? (DO30DG )
N a. E N b. F N c. J Y d. K 1673: A sail hook is used for __________.
N a. hoisting a windsail N b. parceling Y c. sewing canvas N d. testing canvas 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°" 1772: What is the volume in a cone with a base diameter of 32 feet and a height of 21 feet?
N a. 8,444.60 cubic ft. N b. 7,732.81 cubic ft. Y c. 5,629.73 cubic ft. N d. 703.72 cubic ft. 1888: How many legs does the bridle for an ocean tow have?
N a. One Y b. Two N c. Three N d. Four 2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?
N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity. Y b. Refuse to sign a Clean Bill of Lading. N c. Sign the Clean Bill of Lading and have the agent countersign it. N d. Sign a Clean Bill of lading under protest. 2190: What is the name of tackle number 3? (DO29DG )
N a. 1-2 purchase N b. Gun tackle Y c. Single luff tackle N d. Double whip 2195: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are as listed. Based on this data what is the transfer for a turn of 180°? (D035DG )
N a. 745 yards N b. 770 yards Y c. 840 yards N d. 890 yards 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. 2274: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day N b. 30 minutes to 1 hour Y c. 1 to 6 hours N d. 10 minutes if possible 2354: What is the area of a circle with a diameter of 21 feet after a sector of 72° has been removed?
Y a. 277.09 square ft. N b. 149.43 square ft. N c. 69.27 square ft. N d. 52.78 square ft. 2478: A "contra-guide" is a type of __________.
N a. bow thruster N b. cargo gear N c. steering engine Y d. rudder 2478: A "contra-guide" is a type of __________.
N a. bow thruster N b. cargo gear N c. steering engine Y d. rudder 2496: Which statement about the dangerous cargo manifest is FALSE?
N a. The manifest must be made up by the carrier, agents, and any person designated for this purpose. Y b. Shipments of hazardous and non-hazardous cargoes may be listed on the manifest if they are destined for the same consignee. N c. The manifest must be kept in a designated holder on or near the bridge. N d. The hazard class of each cargo must be indicated. 2588: Rivets are usually made of __________.
N a. wrought-iron N b. aluminum N c. high-tensile steel Y d. mild steel 2607: Which statement is TRUE concerning lifeboat installations on Great Lakes vessels?
N a. All davit installations shall have 3 lifelines fitted to a davit span. N b. All vessels over 3,000 gross tons must be fitted with gravity davits. Y c. All lifelines shall be able to reach the water at the vessel's lightest draft with a 20° list. N d. All of the above 2644: The boat is stowed on the davit rather than on a cradle with which type of davit?
Y a. Crescent N b. Sheath-screw boom N c. Quadrantal N d. Radial 2808: Under the forces of its own weight, the suspended length of line will fall into a shape known as a __________.
N a. polygon N b. holding arc Y c. catenary curve N d. parabolic curve 3290: What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned?
N a. Bill of Lading Y b. Logbook entry N c. Manifest N d. Shipping document 3465: Which type of anchor is illustrated? (D038DG )
Y a. Stockless N b. Danforth N c. Old-fashioned N d. Kedge 3472: You are the Master of a 500 gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.
Y a. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible N b. Coast Guard only if the grounding results in damage to property in excess of $(SA)25,000 N c. Coast Guard only if the grounding results in a loss of life N d. Coast Guard only if the grounding results in injury to personnel 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 3681: While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot Y b. obeys the Master N c. asks you for instructions N d. brings the rudder to a point midway between the two conflicting positions 3719: Besides saving distance along the track line, another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation is because __________.
Y a. it is faster N b. it can be used in both the immediate action and the delayed action situations N c. in fog, if the turn is started as soon as the man goes over, the vessel will be at the point where he went over when the turn is completed N d. it returns the vessel to the original track line on a reciprocal course 3820: When making a Scharnow turn, the __________.
N a. rudder must be put over towards the side the man went over N b. initial turn direction is away from the side the man went over Y c. rudder is put hard over and the initial turn is maintained until about 240° from the original course N d. man overboard must be not more than 300 feet astern when starting the turn 4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.
N a. American Bureau of Shipping Y b. local U.S. Coast Guard Captain of the Port N c. National Cargo Bureau N d. harbormaster 4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.
N a. American Bureau of Shipping Y b. local U.S. Coast Guard Captain of the Port N c. National Cargo Bureau N d. harbormaster 4090: The BEST holding ground for conventional anchors is_____.
N a. very soft mud Y b. hard mud N c. shale N d. rock 4172: What should be done after putting down the ramp on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Turn on red cargo light. Y b. Turn on ventilation for cargo holds. N c. Call out the deck department for all hands. N d. None of the above 4208: What is the purpose of the equalizing beam aboard a crane vessel?
N a. It allows for rotation of the hook in the single mode. Y b. It is required to "twin-up" 30-ton pedestal cranes. N c. It is used to pick up light loads. N d. It is used to rigidly connect two cranes. 4240: It is the responsibility of the crane operator to, at all times, be aware of the location of the __________.
N a. load N b. hook N c. boom Y d. All of the above 4243: What is/are the advantage(s) of cranes over conventional cargo booms?
N a. Cranes are able to pick up and drop loads over a greater spotting area N b. Increased safety because the deck is clear of running and standing rigging N c. Simplicity of operation of the crane by its operator Y d. All of the above 4440: You are standing the wheelwatch when you hear the cry, "Man overboard, starboard side". You should instinctively __________.
N a. give full left rudder N b. throw a life ring to mark the spot N c. put the rudder amidships Y d. give full right rudder