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.
18: To determine the weight capacity of a deck in a cargo hold, you would refer to the __________.
N a. deadweight scale Y b. deck capacity plan N c. cubic capacity tables N d. general arrangement plan 40: You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?
N a. Hose connections to the tank must be made with a minimum of three bolts. Y b. There must be water pressure on the fire main. N c. You must shut down if another vessel comes alongside. N d. If transferring at anchor, you must display a red flag by day and a red light at night. 40: You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?
N a. Hose connections to the tank must be made with a minimum of three bolts. Y b. There must be water pressure on the fire main. N c. You must shut down if another vessel comes alongside. N d. If transferring at anchor, you must display a red flag by day and a red light at night. 48: Which term describes goods having a stowage factor below 40?
Y a. "Deadweight" cargo N b. "Full-and-down" cargo N c. "Heavy-lift" cargo N d. "Measurement" cargo 61: Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding __________.
Y a. 600 miles N b. 700 miles N c. 800 miles N d. 1000 miles 88: Which is an example of cargo damage caused by inherent vice?
N a. Tainting N b. Wear and tear N c. Stevedore damage Y d. Heating of grain 96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
N a. advance N b. pivoting point Y c. tactical diameter N d. kick 157: The proper way to correct a mistake in the logbook is to __________.
Y a. draw a line through the entry, rewrite, and initial the correction N b. draw several lines through the entry, rewrite, and initial the correction N c. erase the entry and rewrite N d. completely black out the entry, rewrite, and initial the correction 218: What is the main purpose of dunnage?
N a. To act as ballast for light vessels Y b. To provide ventilation and drainage for cargo N c. To secure the tarpaulins in place N d. To support weakened bulkheads 236: As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as __________.
N a. advance Y b. cavitation N c. edging N d. slip 246: The force exerted by a propeller which tends to throw the stern right or left is called __________.
N a. slip Y b. sidewise force N c. rotational force N d. thrust 275: You have taken another vessel in tow. You can tell that the towing speed is too fast when the __________.
N a. vessels are not in step N b. tow line feels like it is "jumping" when touched Y c. catenary comes clear of the water N d. towed vessel goes "in irons" 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 329: Litmus paste is used in order to determine __________.
N a. innage Y b. thievage N c. ullage N d. the tank's datum point 546: A twin-screw ship going ahead on the starboard screw only tends to move __________.
N a. in a straight line Y b. to port N c. from side to side N d. to starboard 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 591: What will NOT be found on the Certificate of Inspection of an ocean going tankship?
N a. Manning requirements Y b. Minimum freeboard permitted N c. Grade(s) of cargoes that the vessel may carry N d. Waters upon which the vessel may be operated 595: The turning circle of a vessel is the path followed by the __________.
N a. outermost part of the ship while making the circle Y b. center of gravity N c. bow N d. tipping center 621: Which document shows details of a tank vessel, cargoes it may carry, manning and safety equipment required?
N a. Safety Construction Certificate N b. Cargo Gear Certificate Y c. Certificate of Inspection N d. Declaration of Inspection 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 663: While towing astern, if your towing hawser becomes taut it results in __________.
N a. more catenary in the towing hawser Y b. less catenary in the towing hawser N c. more yaw N d. less yaw 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 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 835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?
Y a. 50% N b. 65% N c. 75% N d. 100% 946: Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?
Y a. Add ballast in the after peak. N b. Add ballast forward. N c. Alter course. N d. Reduce speed. 1115: The proper way to correct a mistake in the logbook is to __________.
N a. draw several lines through the entry, rewrite, and initial the correction Y b. draw a line through the entry, rewrite, and initial the correction N c. completely black out the entry, rewrite, and initial the correction N d. erase the entry and rewrite 1119: A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a __________.
N a. blind flange N b. pivot coupling N c. quick-release coupling Y d. spectacle flange 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 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 1140: In a transversely framed ship, the transverse frames are supported by all of the following EXCEPT __________.
N a. girders N b. longitudinals N c. side stringers Y d. web plates 1143: When rigging a stage, the standing part should be fastened to the horns of a stage with which of the following hitches?
N a. Clove hitch N b. Timber hitch Y c. Marlinespike hitch N d. Double blackwall hitch 1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 1305: What is an advantage of the 6X19 class of wire rope over the 6X37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better for towing N c. More resistance to elongation Y d. More resistance to corrosion 1313: Where should a vessel being towed alongside be positioned for increased maneuverability?
N a. Stern of the towed vessel aft of the stern of the towing vessel N b. Stern of the towed vessel even with the stern of the towing vessel Y c. Stern of the towed vessel forward of the stern of the towing vessel N d. Bow of the towed vessel even with the bow of the towing vessel 1414: A wire rope that has been overstrained will show __________.
N a. a bulge in the wire where the strain occurred Y b. a decrease in diameter where the strain occurred N c. a kink in the wire where the strain occurred N d. no visible effects of an overstrain 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 1538: Your vessel is being towed and you are using a tripping rope. A tripping rope of fiber or wire is used to __________.
N a. give added strength to the main tow hawser N b. retrieve the main tow hawser Y c. retrieve the outboard legs of the bridle where they are connected to the fishplate N d. open the pelican hook at the fishplate 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 1582: Which is an example of failure to exercise due diligence?
Y a. Overloading N b. Sailing short of union manning requirements N c. Sailing with less than 30% reserve fuel oil supply N d. Sailing short of being full and down 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 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. 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. 1961: A sufficient amount of chain must be veered when anchoring a vessel to ensure __________.
N a. the vessel has enough room to swing while at anchor Y b. the anchor flukes bite into the ocean bottom N c. there is a sufficient scope of chain to keep the anchor on the bottom N d. there is more chain out than there is in the chain locker 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 2048: The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to __________.
N a. one-half the SWL of the main towing hawser N b. three-fourths the SWL of the main towing hawser Y c. that of the main towing hawser N d. twice that of the main towing hawser 2361: The BEST information on the nature and extent of damage to the vessel is obtained from __________.
N a. alarms and monitoring devices N b. the engineroom watch Y c. personnel at the scene of the damage N d. the bridge watch 2470: Which type of bottom provides most anchors with the best holding ability?
N a. Clay and rocks N b. Soft mud Y c. Sandy mud N d. Soft sand 2475: The use of liners in riveted construction is eliminated by using __________.
N a. lapped construction N b. strapped construction Y c. joggled construction N d. belted construction 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2938: Which statement concerning storm surges on the Great Lakes is FALSE?
Y a. They are common along the deeper areas of the lakes. N b. They cause rapid differences in levels between one end of the lake and the other. N c. The greatest water level difference occurs when the wind is blowing along the axis of the lake. N d. If the wind subsides rapidly, a seiche effect will most likely occur. 3088: A "check" line is __________.
N a. a safety line attached to a man working over the side N b. used to measure water depth Y c. used to slow the headway of a barge N d. used to measure the overhead height of a bridge 3096: When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to __________.
N a. provide the proper trim N b. prevent negative stability from developing Y c. prevent excessive longitudinal stresses N d. control list 3111: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
Y a. Insure that helm and throttle orders given by the Pilot are correctly executed. N b. Judge the appropriateness of the Pilot's orders and countermand them if necessary. N c. Supervise the signaling and flag etiquette. N d. Record the bells and their times in the bell book. 3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.
N a. trip or capsize Y b. foul the towline N c. go into irons N d. part the towing strap 3608: The horizontal port or starboard movement of a vessel is called __________.
N a. yaw Y b. sway N c. surge N d. heave 4122: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. pitching and heaving N b. rolling N c. any force of gravity acting on the lashes Y 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 4144: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever N b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Ratchet tensioner 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