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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 70: You are on a tankship designed to carry molten sulfur. Which statement is TRUE?
N a. There must be two portable toxic vapor detectors on board. N b. The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. Y c. Cargo temperature may be taken by portable thermometers. N d. The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. 199: What is a cofferdam?
N a. Tube fitted to an ullage hole N b. Area the product is loaded into Y c. Void or empty space separating two tanks N d. Opening in the deck used for cleaning a tank 203: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. N b. It pushes the entire vessel away from the bank. Y c. It pulls the stern toward the bank. N d. It heels the vessel toward the bank. 276: As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea. In addition to a fore and aft motion, this wake also has a(n) __________.
N a. downward and inward flow N b. downward and outward flow Y c. upward and inward flow N d. upward and outward flow 309: When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?
N a. Draft and trim Y b. Limits of the bending moments N c. Rate of discharging N d. Rate of loading 313: With the exception of a Coast Guard approved commercial hybrid Personal Flotation Device (PFD), which type of life preserver must be carried for each person on board an uninspected passenger vessel?
Y a. Type I N b. Type II N c. Type III N d. None of the above 385: In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator?
N a. The clean tanks should be ballasted. Y b. The slops should be allowed time to settle. N c. Chemicals should be added to emulsify the oil. N d. The dirty ballast tank is crude oil washed. 413: A person is found operating a vessel while under the influence of alcohol. He/she is liable for __________.
N a. imprisonment for up to three years Y b. a civil penalty of not more than $5,000 N c. a fine of not more than $3,000 N d. a fine of not more than $10,000 414: 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 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 451: What is official proof of a vessel's ownership?
Y a. Certificate of Documentation N b. Bill of Lading N c. Transfer Certificate N d. Logbook 533: A towing hook may be released from the __________.
N a. tug's engineroom or the bow Y b. pilot house or aft steering station N c. forecastle N d. towing bitts by reaching over and releasing a lever 672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.
N a. increasing the angle of line pull to the keel axis of the tow Y b. reducing the angle of line pull to the keel axis of the tow N c. positioning the towing vessel on the forward end of the tow N d. shortening the length of the tow line 778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?
N a. 15 N b. 45 N c. 133 Y d. 149 821: The Master must maintain the Oil Record Book on board for at least __________.
N a. 1 month N b. 12 months N c. 24 months Y d. 36 months 854: A piece of small stuff (small line) secured to an object to prevent it from going adrift is a __________.
Y a. lanyard N b. keeper N c. noose N d. stopper 1073: You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle __________.
N a. with the pin of the shackle riding on the stay Y b. with the pin of the shackle through the chair's bridle eye N c. with a hook attaching the chair to the riding shackle N d. connected to a second shackle on the chair 1104: Nylon line can be dangerous because it __________.
N a. breaks down when wet N b. kinks when wet N c. is not elastic Y d. stretches 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 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 1553: The correct way to make an eye in a wire rope with clips is to place the clips with the __________.
N a. first and third U-bolts on the bitter end and the second U-bolt on the standing part N b. first and third U-bolts on the standing part and the second U-bolt on the bitter end Y c. U-bolts of all clips on the bitter end N d. U-bolts of all clips on the standing part 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 1663: A bench hook is used for __________.
N a. handling of cargo cases N b. hanging oilskins Y c. sewing canvas N d. splicing small stuff 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 1680: In vessel construction, the garboard strake is __________.
Y a. located next to and parallel to the keel N b. located next to and parallel to the gunwale N c. another term for the bilge keel N d. another term for the rub rail 1736: Before letting the anchor go, you should check that the __________.
N a. chain is clear N b. anchor is clear of obstructions N c. wildcat is disengaged Y d. All of the above 1831: A "loose" tow may cause all of the following EXCEPT __________.
N a. loss of maneuverability N b. lines to part N c. damage to the towing vessel and tow Y d. a saving in the transit time 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 1998: When towing in an open seaway, it is important to use a towing line __________.
N a. made only of wire rope, due to possible weather conditions N b. that will have the tow on a crest while your vessel is in a trough Y c. that will have the tow on a crest while your vessel is on a crest N d. with little dip to gain maximum control of the tow 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 2112: What is NOT surveyed at an annual load line survey?
N a. The overall structure and layout of the vessel for alterations to the superstructure Y b. The bilge pumping system N c. Main deck hatch covers N d. Portholes and deadlights in the side plating 2204: 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. Blot out the error completely and rewrite the entry correctly. N b. Carefully and neatly erase the entry and rewrite it correctly. Y c. Cross out the error with a single line, write the correct entry, and initial it. N d. Remove this page of the log book and rewrite all entries on a clean page. 2253: What is the area of a circle with a radius of 17 feet after a sector of 57° has been removed?
Y a. 764.17 sq. ft N b. 190.66 sq. ft N c. 145.27 sq. ft N d. 36.85 sq. ft 2267: The knot lettered K in illustration DO30DG is a __________. (DO30DG )
Y a. sailmaker's whipping N b. carrick bend N c. barrel hitch N d. stopper 2275: When inspecting wire rope before a hoisting operation, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 2300: In the stowage of deck cargo, "cribbing" is __________.
Y a. placed on deck to support the cargo N b. separation pieces used to keep cylinders upright and steady N c. shims for stowing baled cargo N d. nets placed across the hatch opening to keep the cargo from falling in the hatch 2325: Which line cannot be spliced?
N a. Braided line with a hollow core N b. Double-braided line Y c. Braided line with a solid core N d. Any line can be spliced 2549: An example of a modern anchor which has a stock is a(n) __________.
N a. articulated anchor N b. Flipper Delta anchor N c. Baldt anchor Y d. Danforth anchor 2599: When several salvors are on-scene at the same time to assist a vessel that has not been abandoned, which principal governs the decision as to which one's services will be accepted?
Y a. The Master of the ship needing assistance has the absolute right to decide. N b. The first salvor on-scene has the prior claim providing he has adequate facilities to assist the vessel needing assistance. N c. The salvors must agree to a division of any salvage among themselves with the major share allotted to those doing the most work. N d. The first salvor on-scene has the absolute right to provide assistance; however, he is liable if the ship is lost due to his lack of experience, equipment, etc. 2636: When riveted joints occur at the ends of plating they are called __________.
N a. trailers N b. terminals N c. seams Y d. butts 2836: Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?
Y a. Lake Superior N b. Lake Michigan N c. Lake Huron N d. Lake Ontario 2882: What does the line labeled "MS" denote on the Great Lakes load line model shown? (D031DG )
N a. Mean sea level N b. Midseason N c. Maximum submergence Y d. Midsummer 2970: What material may be substituted for zinc when making a poured metal socket ending to a wire rope?
N a. Lead N b. Babbitt N c. Solder Y d. Nothing 2982: How should you signal the crane operator to stop?
N a. Place both fists in front of your body with the thumbs pointing outward. N b. With both arms extended out and palms down, move arms back and forth. Y c. Extend arm with the palm down and hold this position rigidly. N d. Clasp hands in front of your body. 2994: Nearly half of all storms that enter the Great Lakes Basin during the period from October through May come from __________.
N a. highs which originate in the east and east central USA N b. lows which originate in north central and western Canada N c. highs which originate in north eastern and eastern Canada Y d. lows which originate in the central and western USA 3008: A list signal of one white light indicates that the vessel is __________.
N a. on an even keel Y b. listing about 1° to the side the light is displayed on N c. listing over 5°With the light displayed on the high side N d. listing, and the chutes should be directed to the side where the light is displayed 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 3211: With the buttress securing system, containers of different heights must be stowed __________.
N a. on the bottom tier on deck N b. in the hold N c. next to the buttress tower Y d. on the top tier 3340: It is NOT advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too difficult to make fast N c. parts too readily N d. is too susceptible to mildew 3410: When "checking down" a barge using a check line you should use __________.
N a. one round turn and at least two figure-eights around the timber heads N b. at least three figure-eights around the timber heads N c. a clove hitch around one timber head Y d. at least three round turns around one timber head 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 3500: Small hull leaks can be temporarily repaired by __________.
N a. parceling N b. parbuckling Y c. caulking N d. seizing 4117: Cargo securing for Ro-Ro is based on the concept of __________.
N a. solid packing Y b. rapid loading and discharge N c. vessel loaded full and down to her marks N d. palletized cargo 4159: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?
N a. One Y b. Two N c. Three N d. Four 4177: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp Y c. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4225: What does item "G" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Mast N b. Pillar Y c. Turntable N d. Pedestal 4250: Which action(s) is/are included in crane operations?
N a. Pre-operation checks and start-up N b. Removing booms from stowage N c. Luff, slew, and hoist operations Y d. All of the above 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above