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.
82: Floors aboard ship are __________.
N a. also called decks Y b. vertical transverse plates connecting the vertical keel with the margin plates N c. large beams fitted in various parts of the vessel for additional strength N d. found in passenger and berthing spaces only 136: Under the federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?
N a. .18% BAC N b. .10% BAC N c. .06% BAC Y d. .04% BAC 229: Which refers to the depth of a petroleum product in a tank?
N a. Outage N b. Ullage N c. Thievage Y d. Innage 291: You are the licensed operator of a 100 GT towing vessel making coastwise runs. Whenever a crew member is discharged from your vessel you must __________.
N a. issue a Certificate of Discharge and make an entry in his Continuous Discharge Book Y b. issue a Certificate of Discharge or make an entry in his Continuous Discharge Book N c. retain the crew member's Continuous Discharge Book onboard N d. retain the crew member's Certificate of Discharge onboard 374: Holes in the bulwark, which allow deck water to drain into the sea, are __________.
N a. doggers N b. fidleys Y c. freeing ports N d. swash ports 427: What is the greatest danger of an overriding tow?
N a. Fouling of the towing hawser N b. Loss of steering N c. Tripping Y d. Collision between the tow and the stern of the towing vessel 430: On a manned vessel carrying packaged hazardous cargo, the hazardous materials shall be inspected __________.
N a. every 24 hours unless equipped with a fire detecting system N b. prior to entry into a U.S. port N c. after stowage is complete Y d. All of the above 454: A rope ladder with wooden rungs is a __________.
N a. drop ladder N b. life ladder Y c. Jacob's ladder N d. jury ladder 556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
N a. both engines ahead and helm N b. one engine only Y c. port engine ahead and the starboard engine astern N d. both engines astern and use helm 559: A vessel loads edible oil in a deep tank through a manhole at the mid-length of the tank. In order to fill the tank to maximum capacity, what trim should the vessel have?
N a. Down by the bow N b. Down by the stern N c. Down by either the bow or stern Y d. In level trim 596: Before entering an ice area, the ship should be __________.
N a. either trimmed by the head or the stern N b. on an even keel N c. trimmed down by the head Y d. trimmed down by the stern 604: The term "lee side" refers to the __________.
N a. side of the vessel exposed to the wind Y b. side of the vessel sheltered from the wind N c. port side N d. starboard side 605: You would properly secure a gantline to a bosun's chair with a __________.
N a. fisherman's bend N b. bowline Y c. double sheet bend N d. double blackwall hitch 658: When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.
N a. along the centerline N b. toward the forward bulkhead of the forward holds and toward the after bulkhead of the after holds Y c. toward the after bulkhead of the forward holds and the forward bulkhead of the after holds N d. toward the after bulkhead of all holds 824: The larger sizes of manila line are measured by their __________.
N a. radius N b. diameter Y c. circumference N d. weight per foot 868: You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 72,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?
N a. 493 N b. 577 N c. 602 Y d. 648 952: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. Y c. Pyridine need not be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. 965: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you should first __________.
N a. check the setting of the rudder adjustment N b. check the setting of the weather adjustment Y c. switch to hand steering N d. immediately engage the trick wheel 1014: In order to detect rot in manila lines, you should __________.
N a. feel the surface of the line for broken fibers N b. measure the reduction in circumference of the line N c. observe any mildew on the outer surface Y d. open the strands and examine the inner fibers 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1150: In ship construction, frame spacing is __________.
N a. greater at the bow and stern Y b. reduced at the bow and stern N c. uniform over the length of the vessel N d. uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses 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 1365: A person who sees someone fall overboard should __________.
Y a. call for help and keep the individual in sight N b. run to the radio room to send an emergency message N c. immediately jump in the water to assist the individual N d. go to the bridge for the distress flares 1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
N a. Tensile N b. Compression Y c. Shear N d. Strain 1476: How is the size of chain determined?
N a. Length of link in inches Y b. Diameter of metal in link in inches N c. Links per fathom N d. Weight of stud cable in pounds 1493: The knot used to join two lines of different diameter is a __________.
N a. square knot N b. carrick bend Y c. becket bend N d. sheepshank 1500: Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure?
N a. Tearing through the member is more likely in this type connection. N b. The weld may be broken by the stresses caused by riveting. N c. The weld increases the tensile stress on the rivet heads. Y d. The welding must be completed before the riveting commences. 1575: The key to rescuing a man overboard is __________.
N a. good communication N b. a dedicated crew N c. good equipment Y d. well-conducted drills 1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.
Y a. starboard until headway is lost and then to port N b. port N c. port until headway is lost and then may possibly swing to starboard N d. port slowly at first and then quickly to port 1624: Which kind of hitch should you use to secure a spar?
N a. Blackwall hitch N b. Stage hitch Y c. Timber hitch N d. Two half hitches 1630: The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the __________.
N a. garboard strake N b. limber strake N c. sheer strake Y d. stringer strake 1660: The strake on each side of the keel is called a __________.
N a. sheer strake N b. gatewood strake N c. insulation strake Y d. garboard strake 1724: A "bowline" is used to __________.
N a. join lines of equal size Y b. form a temporary eye (loop) at the end of a line N c. be a stopper N d. keep a line from fraying 1832: The run of plating labeled A is known as the __________. (D033DG )
N a. sheer strake Y b. stringer plate N c. deck strake N d. deck longitudinal 1895: The knot lettered Q as shown is a __________. (DO30DG )
N a. square knot N b. clove hitch Y c. bowline N d. round knot 2041: Which tackle arrangement has the LEAST mechanical advantage?
Y a. Single whip N b. Gun tackle N c. Luff tackle N d. Twofold purchase 2046: The structural member indicated by the letter I is the __________. (D033DG )
N a. garboard strake N b. center pillar Y c. keel N d. girder 2158: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
N a. O (IMMEDIATE) N b. R (ROUTINE) Y c. P (PRIORITY) N d. Z (FLASH) 2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.
N a. toppling Y b. racking N c. buckling N d. crushing 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 2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 34% N b. 47% N c. 76% N d. 79% 2268: The helm command "shift your rudder" means __________.
N a. check the swing of the vessel N b. double your rudder angle or go to full rudder N c. bring your rudder amidships Y d. change from right rudder to left rudder, or vice versa, an equal number of degrees 2366: To "shore up" the main deck for the stowage of deck cargo means to __________.
N a. weld pad eyes on deck in proper position to secure the cargo Y b. strengthen the main deck by placing pillars underneath it in the tween-decks N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck N d. package the cargo in wooden crates so it will not damage the deck 2598: Where, due to the arrangement of the vessel, lifejackets may become inaccessible, additional lifejackets shall be carried __________.
N a. for the people on bridge watch N b. for the forward lifeboats Y c. as determined by the OCMI N d. for 50% of the crew of the vessel, not including those assigned to engineering duties 2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?
Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases. N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien. N c. Damage caused by riot of the population of a port. N d. Losses caused by fines from polluting the harbor after malfunction of a piping system. 2759: Which of the Great Lakes is most affected by short-term Lake level fluctuations?
N a. Lake Superior N b. Lake Michigan N c. Lake Huron Y d. Lake Erie 2872: The Sheer Plan __________.
Y a. shows a longitudinal side elevation N b. is an endwise view of the ship's molded form N c. is usually drawn for the port side only N d. has the forebody to the right of centerline and afterbody to the left of centerline 3054: The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.
N a. during the passage of a rapidly moving warm front Y b. when strong winds from the Northeast suddenly diminish N c. during the months of May through August N d. when the Moon and Sun are in alignment 3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )
Y a. 779 cubic feet (22 cubic meters) N b. 992 cubic feet (28 cubic meters) N c. 1,047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 3114: Which item is rigged to transmit the thrust from one barge to another barge when going ahead? (D024DG )
N a. I N b. H Y c. E N d. B 3134: When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.
Y a. forward to control the bow N b. amidships to move the entire vessel evenly N c. aft to assist the ship's rudder and propeller N d. anywhere, since the maneuverability of the tug governs the placement not the power 3167: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
N a. No able seamen are required. Y b. Each crew member must be issued a certificate of discharge at the time of discharge. N c. A licensed Master of Towing Vessels may serve as Master. N d. Crew must be signed on before a Shipping Commissioner. 3192: How should you signal the crane operator to hoist?
Y a. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. N b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. N c. Extend arm with fingers closed and thumb pointing upward. N d. Place both fists in front of body with the thumbs pointing upward. 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 3492: The Master of a passenger vessel which is not required to maintain an Official Logbook must keep a record of the number of passengers received and delivered from day to day. This record must be available for a period of __________.
N a. 6 months Y b. 12 months N c. 24 months N d. 36 months 3604: The Jews' harp is indicated by which letter? (D038DG )
Y a. K N b. J N c. H N d. F 3728: The main reason a long towline is used during an ocean tow is that __________.
N a. a margin of safety is provided should the line part N b. the towline will wear more evenly Y c. there will be less stress on the towline N d. a slight increase in speed will be realized 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 4067: When steering a vessel, a good helmsman does NOT __________.
N a. use as little rudder as possible to maintain course N b. advise his relief of the course being steered N c. consider steering a vessel a highly responsible job Y d. use as much rudder as possible to maintain course 4267: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
Y a. The discharge is slow due to the size of the cargo and all the cranes working together. N b. The cargo discharge can be accomplished with controlled pendulation. N c. The cargo discharge can be performed in port or at anchor. N d. The cranes enable the handling of heavy cargos without shoreside assistance.