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.
189: Reid vapor pressure is __________.
N a. exerted by liquid cargo on the sides of a tank N b. exerted by liquid cargo on a cargo hose body N c. the lowest temperature and pressure that will cause a flammable liquid to give off vapors Y d. a measurement of the amount of flammable vapors given off by a liquid at a certain temperature 265: Which statement is TRUE about hooks and shackles?
N a. Hooks are stronger than shackles of the same diameter. Y b. Shackles are stronger than hooks of the same diameter. N c. Hooks and shackles of the same diameter are of equal strength. N d. All the above may be true, depending on the hook's or shackle's overall length. 426: You are stopped with no way upon your vessel at the pilot station. Your vessel is a large twin-screw ship. You must come around 180° to board your Pilot. How should you use the engines and rudder to turn the ship fastest in the least amount of space?
N a. Full ahead on the engines and hard over rudder N b. Full ahead on one engine, full astern on the other Y c. Half ahead with hard over rudder, then full astern on inboard engine N d. Slow ahead with hard over rudder 447: One reason a tug's towing bitts are located forward of the rudders is because __________.
N a. it makes it easier to hook up the towing hawser N b. this is where the towhook is located Y c. this allows more responsive steering N d. it is traditional 519: What is NOT a precaution to be taken when topping off?
N a. Reduce the loading rate. Y b. Notify the engine room of the procedure. N c. Maintain communications with the dock man. N d. Give the operation your undivided attention. 535: In illustration D044DG, the mooring line labeled "G" is called a(n) __________. (DO44DG )
N a. offshore bow line Y b. inshore bow line N c. forward breast line N d. forward spring line 583: Which factor(s) must you consider when making up a towing bridle?
N a. The horsepower of the tug N b. The desired amount of swing in the tow hook up N c. The weight of the tow Y d. All of the above 751: A document which has a list of names, birthplaces, and residences of persons employed on a merchant vessel bound from a U.S. port on a foreign voyage and is required at every port is called the __________.
Y a. Certified Crew List N b. Crew Manifest N c. Shipping Articles N d. Muster List ("Station Bill") 767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight 860: Which category of able seaman is not authorized to be counted as an able seaman on a seagoing tug of over 100 gross tons?
N a. Unlimited N b. Limited N c. Special Y d. Special (OSV) 973: The "weather adjustment" control on an autopilot steering stand is used to __________.
N a. allow leeway according to the weather conditions N b. proportionally set the number of degrees of rudder response per degree of course error Y c. set the null band or dead zone signal before actuating the rudder N d. set the speed at which the rudder responds 994: Manila lines in which the strands are right-hand laid __________.
Y a. should be coiled in a clockwise direction N b. should be coiled in a counterclockwise direction N c. may be coiled either clockwise or counterclockwise N d. should never be coiled 1090: A chock __________.
N a. is a deck fitting used to shackle gear to the deck N b. permits easy jettisoning of deck cargo in an emergency N c. prevents stress concentration in the bulwark Y d. provides openings through the bulwark for mooring lines 1171: If you intend to land tulip bulbs from Holland in a U.S. port, they must be inspected by the __________.
Y a. Animal and Plant Health Service Inspector N b. Captain of the Port personnel N c. Quarantine Officer N d. All of the above 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 1212: What is NOT characteristic of the conditions which would be experienced by a vessel located southeast of an approaching eastward-moving storm center on the Great Lakes?
Y a. Falling barometer N b. A westerly wind N c. Lowering clouds N d. Rain or snow 1218: Which is a negotiable document?
Y a. Bill of Lading N b. Cargo Manifest N c. Export Declaration N d. Receiving Report 1222: Who certifies the safe working load of cargo cranes on a vessel?
Y a. American Bureau of Shipping N b. National Cargo Bureau N c. U.S. Coast Guard N d. None of the above 1247: You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Your first action should be to __________.
Y a. countermand the order and immediately notify the Master N b. make an appropriate entry in the deck log concerning the Pilot's order N c. immediately call the Master and await further orders from him N d. immediately sound a short ring on the general alarm 1324: The forecastle card is a(n) __________.
Y a. copy of the shipping agreement N b. quarters allocation N c. Muster List ("Station Bill") N d. unlicensed shipping card from the union 1328: The declaration made by the Master when he anticipates hull and/or cargo damage due to unusual weather conditions is a __________.
Y a. Note of Protest N b. Notice of Casualty N c. Portage Bill N d. Bottomry Bond 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1539: Electric cargo winches have an overload safety device which normally cuts the current to the winch motor __________.
Y a. after torque causes line pull to exceed the rated capacity of the winch N b. before the line pull reaches the rated capacity of the winch N c. when the line pull reaches the breaking strength of the fall N d. before the safe working load of the fall is reached 1586: By paying out more anchor cable, you __________.
N a. decrease the holding power of your anchor N b. decrease the swing of your vessel while at anchor Y c. increase the holding power of your anchor N d. increase the possibility that your vessel will drag anchor 1675: What is the name of the mark indicated by the letter D? (D003DG )
Y a. Tropical load line N b. Summer load line N c. Fresh load line N d. Winter load line 1676: When preparing to hoist the anchor, you should FIRST __________.
Y a. engage the wildcat N b. put the brake in the off position N c. take off the chain stopper N d. take the riding pawl off the chain 1725: The term "shift the rudder" means __________.
N a. use right or left rudder N b. check, but do not stop the vessel from swinging Y c. change from right (left) to left (right) rudder an equal amount N d. put the rudder amidships 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 1878: When being towed, a fairlead is a __________.
Y a. fabricated shape used to change the direction of a flexible member of the tow hookup N b. fabricated shape used to secure the tow hookup to the towed vessel N c. line connecting the fishplate to the bridle legs N d. line connecting the tow bridle to the towed vessel 1914: You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?
N a. Clove Hitch N b. Fisherman's Bend Y c. Bowline N d. Round-turn and two half hitches 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 2078: While towing, bridle legs of unequal lengths may cause __________.
N a. the bridle to foul Y b. the shorter leg to fail N c. chafing on the fairlead or bitts N d. a bent swivel 2130: In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?
N a. 60° N b. 135° N c. 180° Y d. 360° 2146: You are on a single-screw vessel with a right-handed propeller. The vessel is going full speed astern with full right rudder. The bow will swing __________.
N a. quickly to port, then more slowly to port Y b. probably to port N c. slowly to port, then quickly to starboard N d. probably to starboard 2182: What is the name of tackle number 4? (DO29DG )
N a. Double whip N b. Luff tackle Y c. Two-fold purchase N d. 2-2 tackle 2226: The knot lettered O is a __________. (DO30DG )
N a. timber hitch Y b. barrel hitch N c. carrick bend N d. blackwall hitch 2250: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the transfer for a turn of 90°? (D035DG )
Y a. 380 yards N b. 430 yards N c. 485 yards N d. 525 yards 2375: You are on a multiple-product chemical tanker and will carry cargoes of ethanolamine, methyl acrylate, and glycerine. Which statement is true?
N a. All of these cargoes are mutually incompatible. N b. Glycerine may be stowed adjacent to methyl acrylate but must be segregated from ethanolamine. N c. Methyl acrylate and ethanolamine are compatible but both must be segregated from glycerine. Y d. Glycerine is compatible with both of the other cargoes. 2384: What is the volume of a sphere with a radius of 3 feet?
Y a. 113.08 cubic ft. N b. 96.57 cubic ft. N c. 37.69 cubic ft. N d. 28.23 cubic ft. 2390: Determine the weight of a rectangular piece of 20.4 lb. steel measuring 4 feet by 6 feet.
N a. 204.0 lbs. Y b. 489.6 lbs. N c. 734.4 lbs. N d. 979.2 lbs. 2392: Determine the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet.
Y a. 510.00 lbs. N b. 255.00 lbs. N c. 198.89 lbs. N d. 165.75 lbs. 2451: A safety shackle is identified by its __________.
N a. shape Y b. pin N c. certification stamp N d. color code 2622: You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. The center of pressure of the shores on the bulkhead should be located __________.
N a. evenly over the surface of the bulkhead Y b. approximately two-thirds of the way up the bulkhead N c. approximately halfway up the bulkhead N d. at the bottom of the bulkhead 2679: Great Lakes cargo vessels, having a liferaft stowed more than 100 meters from the bow or stern, must have at least how many liferafts?
N a. One Y b. Two N c. Three N d. Four 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. 2928: How should you signal the crane operator to raise the boom and lower the load?
N a. Extend arm with the palm down and hold this position rigidly. N b. Place both fists in front of your body with thumbs pointing toward each other. N c. Clasp hands in front of your body. Y d. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. 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 3010: The piping that routes an oil cargo from the manifold directly to a cargo tank and serves only one tank is known as a __________.
N a. cargo fill N b. filler line Y c. tank drop N d. branch line 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 3430: What is NOT considered "jewelry"?
N a. Steamboat ratchets N b. Manila lines Y c. Buttons N d. Shackles 3589: A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and __________.
N a. transportation to the port of engagement N b. one month's pay only N c. one month's pay or transportation to the nearest U.S. port, whichever is the least amount Y d. one month's pay or transportation to the nearest U.S. port, whichever is the greater amount 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 3604: The Jews' harp is indicated by which letter? (D038DG )
Y a. K N b. J N c. H N d. F 3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
N a. The stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°. 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 4127: Which lashing device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing Y c. Chain N d. All of the above 4134: What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Turnbuckle Y c. Webbing N d. Chain 4158: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Weight of cargo units and vehicles N b. Types of cargo units and vehicles to be carried N c. Dynamic forces under adverse weather conditions Y d. All of the above 4261: Who should be notified prior to starting up a crane?
N a. The pumpman N b. The stevedore foreman Y c. The engine room N d. All the above 4390: 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" N c. No reply is necessary, just carry out the order Y d. "Right 15 degrees rudder"