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.
24: A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by __________.
N a. cutting a square notch at each end of the crack Y b. drilling a hole at each end of the crack N c. slot-welding the crack N d. welding a doubler over the crack 50: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. Y c. Recommend an alternative action and if not followed relieve the Pilot. N d. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 83: The mooring line labeled "A" as shown is called a(n) __________. (D044DG )
Y a. offshore stern line N b. onshore stern line N c. after spring line N d. after breast line 91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. N b. Able seamen are required in the deck crew. N c. All crew members shall have Merchant Mariner's Documents. Y d. Certificates of Discharge are not required to be issued. 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 208: Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________.
N a. approximately 1/2 inch longer than the measured length to allow for trimming Y b. approximately 1/2 inch shorter than the measured length to allow for wedges N c. approximately 1/2 inch shorter per foot of shoring to allow for wet expansion N d. to the same length as the measured length 208: Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________.
N a. approximately 1/2 inch longer than the measured length to allow for trimming Y b. approximately 1/2 inch shorter than the measured length to allow for wedges N c. approximately 1/2 inch shorter per foot of shoring to allow for wet expansion N d. to the same length as the measured length 295: Which publication offers information on Great Lakes ice services?
N a. Light List volume VII Y b. U.S. Coast Pilot #6 N c. Marine Weather Log N d. National Weather Service, Ice Outlooks 579: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. booster pump being lined up in the wrong direction N d. ship's pump speeding up 581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
N a. Amylene N b. Diisobutyl Phthalate N c. Oleic acid Y d. Vinyl acetate 699: Under which condition is a tug likely to be tripped?
N a. When the tow "jumps" on the line N b. While making up to tow a large oil rig Y c. When the towing hawser leads forward of the quarter N d. When the tug exerts maximum bollard pull with the tow close astern 714: Using a safety factor of 6, determine the safe working load of manila line with a breaking stress of 8 tons.
N a. 0.75 tons N b. 1.25 tons Y c. 1.33 tons N d. 8.00 tons 745: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.
Y a. water in the tanks or pipelines N b. having the cargo too cool N c. explosion of vapors after discharge N d. inadequate ullage space 747: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.
N a. inadequate ullage space N b. having the cargo too cool N c. explosion of vapors after discharge Y d. having to breathe the fumes 829: In terms of vessel manning, a watch is the ____________ .
Y a. direct performance of deck or engine operations in a scheduled and fixed rotation N b. performance of maintenance work necessary for the vessel's safe operation, on a daily basis N c. performance of lookout duties N d. direct performance of cargo loading and discharge operations only 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 904: In order to help protect a natural fiber rope from rotting, the line must be __________.
Y a. dried, and stowed in a place with adequate ventilation N b. stowed in a hot, moist compartment N c. stowed on deck at all times N d. stowed in any compartment 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 1117: The knot used to form the bridle at the standing part of a gantline rigged to a stage is a __________.
N a. sheet bend N b. carrick bend N c. fisherman's bend Y d. bowline 1161: The document that the Master uses to attest to the truth of the manifest of cargo is called __________.
N a. Master's Protest Y b. Oath of Entry N c. Owner's Oath N d. Shipper's Certification 1162: How does a vessel's rate of turn change when entering shallow water?
N a. It is faster. N b. It is slower. Y c. There is no change. N d. It remains constant for varying propeller revolutions. 1168: A vessel has completed loading cargo in the port of San Francisco. What document is signed by the Master stating the terms that goods were delivered and received by the ship?
N a. Bill of Goods Y b. Bill of Lading N c. Cargo Manifest N d. Cargo Receipt 1175: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way?
N a. The ship's Doppler log reads zero Y b. The backwash of the propeller reaches amidships N c. An azimuth bearing on the beam remains steady N d. All of the above 1176: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped over the ground?
N a. The ship's log reads zero N b. The backwash of the propeller reaches amidships Y c. An azimuth bearing on the beam remains steady N d. All of the above 1278: The document that establishes the facts of a casualty and is the prima facie relief from liability for the damage is the __________.
N a. adjuster's report N b. insurance policy N c. invoice Y d. Master's protest 1291: "Free pratique" means that __________.
N a. clearance requirements for all regulatory bodies have been met Y b. health requirements have been met and no further quarantine formalities are required N c. shipment will be made at no cost N d. tonnage taxes are not required to be paid 1296: To ensure the best results during the Mediterranean moor, the chains should __________.
N a. be crossed around the bow N b. tend out at right angles to the bow N c. tend aft 60°From each bow Y d. tend forward 30° on either bow 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1357: The area indicated by the letter G is known as the __________. (D033DG )
N a. entrance N b. stringer plate Y c. turn of the bilge N d. garboard 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 1502: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
Y a. 49.73 numeral N b. 52.76 numeral N c. 55.29 numeral N d. 57.93 numeral 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1548: What could be used as fairleads on a towed vessel?
N a. Chocks N b. Double bitts N c. Roller chocks Y d. All of the above 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 1706: Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor. The wind freshens considerably and the anchor begins to drag. Which action should you take FIRST?
N a. Drop the starboard anchor short with about one shot of chain. N b. Sheer out to starboard using the rudder, then drop the starboard anchor with about four shots of chain. N c. Put the engines slow ahead to help the anchor. Y d. Veer out more chain on the port anchor. 1707: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. What precedence would you assign this message?
N a. R (ROUTINE) N b. Z (FLASH) N c. P (PRIORITY) Y d. O (IMMEDIATE) 1764: The "square knot" is used for __________.
N a. forming temporary eyes in lines Y b. joining two lines of equal size N c. keeping line from unlaying or fraying N d. joining two lines of different size 1826: The knot lettered X in illustration DO30DG is a __________. (DO30DG )
N a. timber hitch N b. becket bend Y c. clove hitch N d. blackwall hitch 1836: While towing, what is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. The barge may swing too quickly and run over the tug. Y b. The barge may pass under the hawser and capsize the tug. N c. Free surface affect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1966: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow N b. bridge Y c. center of gravity N d. centerline 1970: The structural member indicated by the letter L is a __________. (D033DG )
N a. web frame N b. bilge keel N c. side keel Y d. longitudinal 1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
Y a. 1 to 6 hours N b. 30 minutes to 1 hour N c. 3 hours to start of business the following day N d. 10 minutes if possible 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2068: You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow, you should __________.
N a. reduce the draft of the barge Y b. shorten one leg of the bridle N c. place bulky deck loads as far aft as possible N d. trim the barge down by the bow 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2205: On the fully containerized ship, approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to __________.
Y a. accelerations greater than on conventional vessels N b. accelerations less than on conventional vessels N c. accelerations the same as on conventional vessels N d. no accelerations 2272: Which knot is secure only when there is a strain on the line? (D030DG )
N a. H N b. I Y c. L N d. P 2272: Which knot is secure only when there is a strain on the line? (D030DG )
N a. H N b. I Y c. L N d. P 2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?
N a. If a Mate deems it necessary for ship's maintenance Y b. At the discretion of the Master, for reasonable purposes N c. On the authority of the Bosun N d. The hatch may never be uncovered 2744: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (India) to signify that "___________________".
N a. I am altering my course to starboard Y b. I am altering my course to port N c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water 2772: The Coordinator Surface Search (CSS) in a SAR situation should display by night __________.
N a. deck lights forward and aft N b. a white light over two red lights N c. a red light, white light, and blue light in a vertical line Y d. a distinctive signal promulgated by the CSS 2894: The term "Great Lakes", as defined by the Inland Rules of the Road, includes part of the __________.
N a. Calumet River N b. Chicago River N c. St. Lawrence River Y d. All of the above 3047: When backing down with sternway, the pivot point of a vessel is __________.
Y a. about one-quarter of the vessel's length from the stern N b. at the bow N c. about one-third of the vessel's length from the bow N d. aft of the propellers 3145: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
N a. If the buoy is afloat, no action is necessary. N b. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. Y d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on 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 thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block. 4126: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
Y a. Number, position and angle of lashings N b. Vessel's draft N c. Port of origin N d. ABS requirements 4224: What does item "K" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Manual slewing cables Y b. Rider block taglines N c. Jib luffing cables N d. Cargo snaking cables 4227: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )
N a. Foundation assembly N b. Turntable assembly N c. Crane house assembly Y d. All of the above 4378: Which statement concerning an automatic towing engine is FALSE?
N a. It automatically maintains tow line tension. N b. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in. Y c. As tension on the hawser increases, more line is taken in by the automatic towing engine. N d. As tension on the hawser decreases, more line is taken in by the automatic towing engine.