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.
226: Which statement is TRUE concerning the vessel's slipstream?
N a. It has no effect on the steering of the vessel. N b. It has no effect on the rudder when the helm is amidships. N c. Its velocity is the same as that of the wake. Y d. The propeller gives it a helical motion. 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 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 356: It is possible, and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by __________.
N a. placing bunker on the deck N b. building a stage on which to place the cargo N c. welding steel "feet" to the deck, on which the cargo is placed Y d. erecting vertical pillars under the deck to support the cargo 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 420: In handling break bulk hazardous materials, it is forbidden to use __________.
N a. cargo nets Y b. metal bale hooks N c. pallets N d. slings 461: Where is the best location to install a towing hook?
N a. Forward of the towing bitts N b. On the fantail N c. Near the Norman Pins Y d. Just aft of amidships 518: Which factor is MOST important in preventing sweat damage within a cargo hold?
Y a. Dew point of the cargo hold N b. Dew point of the outside atmosphere N c. Outside air temperature N d. Temperature of the cargo 525: To lay out a towing hawser in a fore-and-aft direction so each bight is clear and can run out freely without snagging describes __________.
N a. flemishing Y b. faking N c. spooling N d. worming, parceling and serving 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 641: Which document shows the minimum required crew a vessel must have to navigate from one port in the United States to another?
N a. Articles Y b. Certificate of Inspection N c. Crew List N d. Register 642: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. offshore stern line Y b. inshore stern line N c. after spring line N d. after breast line 894: When taking a length of new manila rope from the coil, you should __________.
N a. mount the coil so it will turn like a spool and unreel from the outside N b. roll the coil along the deck and allow the rope to fall off the coil Y c. lay the coil on end with the inside end down, then pull the inside end up through the middle of the coil N d. lay the coil on end with the inside end up then unwind the rope from the outside of the coil 928: Which of the signals listed is required to be displayed during the day while bunkering?
Y a. A red flag N b. A yellow flag N c. A red and yellow flag N d. A red light 948: Twenty-five hundred (2500) tons of iron ore with a stowage factor of 17 is stowed in a cargo hold. The dimensions of the hold are 55 feet long and 45 feet wide and 35 feet high. What is the height of the center of gravity of the ore above the bottom of the hold?
N a. 7.8 feet Y b. 8.6 feet N c. 17.1 feet N d. 34.6 feet 953: When bunkering at anchorage which of the following signals must be displayed?
N a. A red flag by day, red light by night Y b. A red flag by day ONLY N c. A red light by night ONLY N d. No signal required at anchorage 964: To coil a left-hand laid rope, you should coil the line in __________.
N a. a clockwise direction only Y b. a counterclockwise direction only N c. an alternating clockwise and counterclockwise direction N d. either a clockwise or a counterclockwise direction 971: A journal kept by the officer of the watch in which day to day happenings are recorded regarding the deck department is the __________.
N a. cargo record book Y b. deck rough log N c. bell book N d. Official Logbook 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. 1135: What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel?
N a. Jacob's ladder N b. Manropes N c. Heaving lines Y d. All of the above 1147: You are on watch and the pilot has just anchored the vessel. The next thing that you should do after the anchor has been let go is to __________.
N a. stop the engines N b. escort the pilot to the accommodation ladder Y c. plot the vessel's position on the chart N d. make a round of the weather decks 1151: The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is __________.
Y a. ad valorem N b. infinite N c. secure N d. specific 1209: When cargo is being worked using a Burton or married fall system, which part of the cargo gear is most likely to fail?
N a. Boom N b. Gooseneck Y c. Guy tackle N d. Topping lift 1237: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. The watch is officially transferred to you after __________.
N a. you state the vessel's charted position, present course and port of destination N b. the mate being relieved tells you the vessel's course and speed and states that you have the watch Y c. you say, "I relieve you" and you state the course per gyro and magnetic compasses N d. the mate being relieved says, "You have the conn" and you state the ship's course 1420: Tensile stress is a result of two forces acting in __________.
Y a. opposite directions on the same line, tending to pull the material apart N b. opposite directions on the same line, tending to compress the object N c. opposite directions along parallel lines N d. the same direction along parallel lines 1499: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. bow line N b. forward breast line N c. after spring line Y d. bow spring line 1574: Wire rope is galvanized to __________.
Y a. protect it from corrosion due to contact with saltwater N b. make it bend more easily N c. increase its strength N d. increase its circumference 1584: The size of wire rope is determined by the __________.
N a. number of strands N b. number of wires in each strand N c. circumference Y d. diameter 1591: A complaint of unseaworthiness by a majority of crew members to the American Consul is found to be justified after a survey is completed. Who must pay the cost of the survey?
N a. Crew members requesting the survey N b. American Consul Y c. Master N d. Vessel's owners 1625: All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual's __________.
N a. blood Y b. breath N c. urine N d. All of the above 1689: The mooring line shown as "C" is called a __________. (DO44DG )
N a. stern line N b. spring line N c. shore line Y d. breast line 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 2008: When towing another vessel, the length of the towing line should be __________.
N a. as long as possible N b. as short as possible under the circumstances and not over two wave lengths N c. such that one vessel will be on a crest while the other is in a trough Y d. such that the vessels will be in step 2023: A mooring line leading at nearly right angles to the keel is a __________.
N a. spring line N b. bow line N c. stern line Y d. breast line 2081: A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the track-line steamed during the night?
Y a. Williamson N b. Racetrack N c. 180° turn N d. Anderson 2177: Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?
Y a. Lashings are always required N b. One container N c. Two containers N d. Three containers 2395: Determine the area of a triangle with a base of 4.7 feet and a height of 6.3 feet.
N a. 29.6 square ft. N b. 26.2 square ft. N c. 18.5 square ft. Y d. 14.8 square ft. 2455: The boom indicator on a crane will indicate the __________.
N a. length of the boom Y b. angle of the boom N c. lifting capacity of the boom N d. direction of the boom 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 2664: You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. The center of pressure of the shores on the bulkhead should be located __________.
N a. evenly over the surface of the bulkhead N b. approximately one-third of the way up the bulkhead Y c. approximately halfway up the bulkhead N d. at the bottom of the bulkhead 2734: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability book to determine the hogging numeral. (Get Table Data)
N a. 98.23 numeral Y b. 95.70 numeral N c. 84.46 numeral N d. 81.37 numeral 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 2839: Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________.
N a. 4 to 1 or better N b. 5 to 1 or better Y c. 6 to 1 or better N d. 8 to 1 or better 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2956: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
Y a. Z (FLASH) N b. P (PRIORITY) N c. R (ROUTINE) N d. O (IMMEDIATE) 3017: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. Storm damage to the cargo winch motors requires repairs costing $19,000. Y b. Your vessel is at anchor and grounds at low tide with no apparent damage. N c. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N d. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. 3018: When turning a vessel in shallow water, which statement is TRUE?
N a. The rate of turn is increased. N b. The rate of turn is decreased. Y c. The turning diameter increases. N d. The turning diameter remains the same. 3030: The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a __________.
N a. cargo fill Y b. line drop N c. transfer N d. branch line 3060: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise adjustment of cargo flow N b. Faster rate of cargo flow Y c. Easier operation N d. Less chance of leaks 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3126: Your tankship is carrying a cargo of styrene. Which of the following is NOT a requirement for carriage of this cargo?
Y a. P/V valves with galvanized parts must be replaced. N b. Authorization to carry styrene must be endorsed on the Certificate of Inspection. N c. You must have a "Certificate of Inhibition" provided by the shipper. N d. The cargo tank heating coils must be blanked off. 3400: In a tow made up astern, the fishplate __________.
Y a. connects the hawser to the bridle N b. connects the bridle to the tow N c. keeps the hawser amidships on the tug N d. is the capping piece on the "H" bitt 3449: What term indicates an inward curvature of the ship's hull above the waterline?
N a. Camber Y b. Tumble home N c. Deadrise N d. Flare 3484: You are on watch and see a man fall overboard. Which man- overboard turn should NOT be used in this situation?
Y a. Scharnow N b. Single turn N c. Racetrack N d. Williamson 3614: While you are on watch, you learn that a crewman has not been seen on board for the past three hours. Which type of turn is best in this man-overboard situation?
N a. Round Y b. Scharnow N c. Racetrack N d. Single turn of 180° 3684: In towing, heaving lines are used for __________.
N a. passing a tow bridle to the tug Y b. passing a messenger line N c. heaving in the tow bridle N d. service lines with rocket line throwers 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 4024: An icebreaker displaying a flag hoist which consists of the code letters "WO" (Whiskey Oscar) is indicating that __________.
Y a. icebreaker support is finished N b. icebreaker support is commencing N c. the icebreaker is icebound N d. the icebreaker is beset 4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
Y a. 4 shots N b. 5 shots N c. 6 shots N d. 7 shots 4211: Pedestal cranes have limit switches to restrict movement of which function(s)?
N a. Hoist upper & lower limits N b. Luff travel limits N c. Rider block hoist upper & lower limits Y d. All of the above