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.
116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 140: Your tankship is carrying a 30% solution of hydrogen peroxide. The cargo containment system must have a permanent inert gas system. While discharging this cargo the inert gas system must maintain a minimum pressure of __________.
Y a. 0.5 psig N b. 3.0 psig N c. 5.0 psig N d. atmospheric pressure 165: You must notify the nearest Coast Guard Marine Safety Office as soon as possible after your vessel has been damaged in excess of __________.
Y a. $25,000 N b. $10,000 N c. $1,500 N d. $1,000 168: "Block stowage" means __________.
N a. having the cargo on pallets Y b. stowing all the cargo for a port in the same area N c. using port marks on the cargo N d. using separation cloths to separate different kinds of cargo 187: You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
N a. Ask the Pilot if he relinquishes control. N b. Obey the Pilot. Y c. Obey the Master. N d. Bring the rudder to a position midway between the two conflicting positions. 245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.
N a. swivel N b. lizard N c. spider band Y d. gooseneck 245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.
N a. swivel N b. lizard N c. spider band Y d. gooseneck 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. 331: Shipping articles are a contract of agreement between the members of the crew and the __________.
N a. charterers N b. Coast Guard Y c. Master N d. vessel's owner 509: Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker?
Y a. Contamination of the cargo N b. Flash points N c. Reid vapor pressures N d. Specific gravities 517: What is the purpose of the intermediate spring?
N a. Serves as a backup for the main tow hawser in case of failure. Y b. Provides weight and flexibility to the total tow makeup. N c. Lengthens the main tow hawser to keep the tow in step. N d. Distributes the towing load. 732: Which action should be taken FIRST if your tow is sinking in shallow water?
Y a. Pay out the towline until the sunken tow reaches bottom. N b. Sever the towline. N c. Immediately head for the nearest shoreline. N d. Contact the Coast Guard. 823: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
N a. A licensed Master of Towing Vessels may serve as Master. N b. Crew must be signed on before a Shipping Commissioner. Y c. Each crew member must be issued a certificate of discharge at the time of discharge. N d. No able seamen are required. 883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .
N a. be appropriate to the vessel's horsepower or bollard pull N b. be strong enough to handle any static or dynamic loads expected during its service life Y c. fit any spare wire clips carried on board the vessel for repair purposes N d. be suitable for exposure to the marine environment 916: A condition where two currents meet at the downstream end of a middle bar can be determined by a __________.
N a. small whirlpool N b. smooth patch of water Y c. V-shaped ripple with the point of the V pointing downstream N d. V-shaped ripple with the point of the V pointing upstream 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 944: When caring for natural-fiber line, you should NEVER __________.
N a. dry the line before stowing it Y b. lubricate the line N c. protect the line from weather N d. slack off taut lines when it rains 983: When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?
Y a. Yaw N b. Roll N c. Pitch N d. Leeway 1006: Which action reduces the yawing of a vessel in a following sea?
N a. Increasing GM N b. Pumping out tanks aft N c. Shifting weights to the bow Y d. Shifting weights to the stern 1066: If your propeller is racing in rough weather, you should __________.
Y a. decrease your engine speed N b. ignore it N c. increase your engine speed N d. stop your engine until the rough weather passes 1069: Which step is NOT generally taken when gas-freeing a tank?
N a. Washing the tank interior with sea water Y b. Application of degreasing solvents N c. Removal of corrosion products and sludge N d. Fresh air ventilation 1097: Which of the knots, bends, or hitches shown in the illustration would you use to properly secure a bosun's chair to a gantline? (D030DG )
N a. I N b. P Y c. R N d. X 1106: A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when __________.
N a. wearing a life jacket N b. wearing a safety harness secured to the stage N c. wearing both a life jacket and a safety harness secured to the stage Y d. the vessel is not making way 1177: A "Mediterranean moor" should be used when __________.
N a. when anchoring in the Mediterranean Y b. when docking stern to a berth N c. when docking bow to a berth N d. when anchoring in a strong current 1393: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.
N a. the Light List Y b. Radio Aids to Navigation (PUB 117) N c. the International Code of Signals (PUB 102) N d. the Coast Pilot 1496: The purpose of a devil's claw is to __________.
Y a. act as a chain stopper N b. prevent the windlass from engaging N c. prevent the chain from fouling on deck N d. control the wildcat 1523: When making a short splice in wire rope __________.
Y a. all tucks go against the lay N b. all tucks go with the lay N c. the first three wires are tucked against the lay and the last three go with the lay N d. the first three wires are tucked with the lay and the last three go against the lay 1605: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe Y d. about one-third of the vessel's length from the bow 1654: Which knot should be used to bend two hawsers together for towing?
Y a. Double carrick bend N b. Fisherman's bend N c. Heaving line bend N d. Rolling hitch 1664: A method used to make an eye in a bight of line where it cannot be spliced is known as __________.
N a. braiding N b. plaiting Y c. seizing N d. serving 1765: The annual survey for endorsement of a Load Line Certificate must be held within __________.
N a. the three month period immediately following the certificate's anniversary date N b. the three month period immediately preceding the certificate's anniversary date Y c. three months either way of the certificate's anniversary date N d. the three month period centered on the certificate's anniversary date 1775: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2224 on it. This indicates that it is carrying what cargo?
N a. Hexanol N b. Acrylic acid Y c. Benzonitrile N d. Propadiene, inhibited 1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.
N a. directly in line with the bow N b. side by side, with their lines on the port and starboard side Y c. so that their lines form an angle N d. on top of one another 1846: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 30 minutes to 1 hour N d. 10 minutes if possible 2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )
Y a. Intercostal N b. Open N c. Lightened N d. Non-watertight 2094: A large basin cut into the shore, closed off by a caisson, and used for dry docking of ships is known as a __________.
N a. slipway Y b. graving dock N c. ground warp N d. caisson dock 2100: The primary purpose of a load line is to establish required __________.
Y a. minimum freeboard N b. GM N c. transverse stability N d. fresh water allowances 2123: Your vessel is required to have a slop chest. Which of the following articles is NOT required by law to be carried in the slop chest?
N a. Foul weather clothing Y b. Candy N c. Tobacco products N d. Blankets 2133: The S.S. Hollowpoint has a charter party in which the charterer assumes no responsibility for the operation of the vessel but pays stevedoring expenses. What is the name of the charter party?
N a. Bareboat N b. Dispatch Y c. Voyage N d. Demise 2229: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? (DO29DG )
Y a. 20 N b. 9 N c. 5 N d. 4 2281: Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?
N a. Continue backing to scour out the bottom. N b. Wait for high tide and then try backing. Y c. Flood empty tanks to increase bottom pressure and prevent inshore creep. N d. Shift weight aft to reduce the forward draft. 2285: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Remove this page of the log book and rewrite all entries on a clean page. N b. Carefully and neatly erase the entry and rewrite it correctly. N c. Blot out the error completely and rewrite the entry correctly. Y d. Cross out the error with a single line, write the correct entry, and initial it. 2310: How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?
N a. This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer. N b. Determine the point where aground and the draft at that point, then calculate it using the grounding formula. Y c. Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding. N d. Use the inclining experiment formula and substitute the change of trim for the angle of list. 2348: You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?
N a. All of these cargoes are mutually compatible. N b. Benzene may not be carried in a tank adjacent to either of the other two cargoes. Y c. Allyl alcohol is incompatible with propanolamine but both are compatible with benzene. N d. Propanolamine is compatible with allyl alcohol but must be segregated from benzene. 2365: A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called __________.
Y a. spring lay N b. lang lay N c. cable lay N d. alternate lay 2562: As you hold a piece of manila line vertically in front of you, the strands run from the lower left to the upper right. Which type of line is this?
Y a. Right-hand laid N b. Cable-laid N c. Sennet-laid N d. Water-laid 2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.
N a. 88°F Y b. 100°F N c. 111°F N d. 119°F 3244: The shank is indicated by which letter? (D038DG )
N a. K N b. J N c. H Y d. F 3260: When underway with a tow, you must notify the Coast Guard of which casualty?
N a. Damage to property amounting to $1,500 N b. Loss of bridge-to-bridge radio capability N c. An injury requiring first aid Y d. Loss of main propulsion 3432: A vessel is wind rode when it is __________.
Y a. at anchor and heading into the wind N b. backing into the wind N c. carrying lee rudder N d. necessary to apply a leeway correction to the course 3459: The pea is indicated by which letter? (D038DG )
Y a. J N b. H N c. G N d. F 3599: What term indicates the outward curvature of the hull above the waterline?
N a. sheer N b. tumble home N c. deadrise Y d. flare 4020: You are on a tankship discharging oil. When all of the oil that the main cargo pumps can handle is pumped out of a tank, the remainder is __________.
N a. stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps Y b. stripped to one tank and then pumped out with the main pumps N c. stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps N d. gravitated to the centers from the wings and pumped out with the main pumps 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 4051: You are the operator of an uninspected vessel which is involved in an accident. You are not required to assist people affected by the accident if __________.
N a. the other vessel did not appear to be sinking N b. it would unduly delay your voyage N c. the other vessel was at fault Y d. it would cause serious danger to your vessel 4103: Which of the following is not a loading or transfer feature aboard a Ro-Ro vessel?
N a. Stern ramp and/or side ramp N b. Cargo lift N c. Hatch opening designed as a lift Y d. Stuelcken boom 4204: Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels?
Y a. A centerline crane can never be operated in tandem. N b. One crane is able to work one end of two adjacent hatches. N c. These cranes are more economical and weigh less than outboard-mounted cranes. N d. One crane is able to work both sides of the ship. 4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block 4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?
N a. Sound the general alarm. Y b. Return the control levers to the neutral positions. N c. Notify port security. N d. Hold the control levers all the way down. 4277: Which wire rope purchases may be used with a 30-ton pedestal crane?
N a. Hoist N b. Luff N c. Rider block Y d. All of the above