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.
30: You are planning the stowage of two incompatible products on your multiple-product tankship. What will NOT provide the minimum required segregation?
N a. Empty tank Y b. Solid (non-intercostal) bulkhead N c. Diagonally adjacent tanks N d. Tank containing a third cargo compatible with the other two 38: A cargo that has a stowage factor over 40 is known as a __________.
N a. hygroscopic cargo Y b. measurement cargo N c. stowage cargo N d. weight cargo 77: When steering a vessel, a good helmsman will __________.
N a. use as much rudder as possible to keep the vessel on course N b. apply rudder to move the compass card towards the lubbers line when off course Y c. repeat back to the watch officer any rudder commands before executing them N d. keep the rudder amidships except when changing course 103: Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system. What is this called?
N a. Broaching N b. Fish tailing Y c. Squatting N d. Parallel sinkage 282: The owner, agent, Master or person-in-charge of a "T-Boat" involved in a marine casualty causing injury that requires professional medical treatment must __________.
N a. immediately notify the nearest USCG MSO, MIO, or Group Office N b. keep all voyage records and make them available to Coast Guard investigators N c. file a written report (CG2692) of the casualty within five days Y d. All of the above 337: On a coastwise tugboat of 199 GT, on a voyage over 600 miles, what percentage of the deck crew (excluding licensed officers) must hold a document of able seaman?
Y a. 65% N b. 50% N c. 25% N d. 0% 337: On a coastwise tugboat of 199 GT, on a voyage over 600 miles, what percentage of the deck crew (excluding licensed officers) must hold a document of able seaman?
Y a. 65% N b. 50% N c. 25% N d. 0% 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 386: You are maneuvering a vessel with a right-hand propeller. The rudder is amidships. The vessel will generally back __________.
Y a. to port N b. to starboard N c. in a straight line directly astern N d. downstream, the stern going in the direction of the current 602: Which emergency equipment should you keep near the towing bitts?
N a. A self-contained breathing apparatus (SCBA) N b. A boat hook and a spanner wrench Y c. A fire ax and/or cutting torch N d. A Stokes litter basket 692: The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.
Y a. Christmas tree tow N b. tandem tow N c. British tow N d. tandem tug tow 733: Before leaving port on an ocean tow, a tug captain should assure himself of all the following EXCEPT __________.
N a. the towing hawser can be released quickly in an emergency N b. the correct navigation lights are rigged and operable on the tug and tow Y c. an insurance underwriter has prepared a pre-sailing survey N d. a pick-up wire has been rigged on the tow in case of a breakaway. 769: The owner or Master of a towing vessel must ensure that each person that directs and controls the movement of the vessel knows all of the following EXCEPT ___________ .
N a. the effects of maneuvering on the vessel and its tow N b. the speed and direction of any current for the area being transited N c. how to apply variation and deviation to readings from a magnetic compass Y d. the ownership of the vessel(s) being towed 792: When the vessel is on coastwise articles, the original certificate of the seaman's certificate of discharge is __________.
Y a. given to the seaman N b. retained on board N c. sent to Commandant, U.S. Coast Guard N d. sent to the shipping company 856: A wedge of water building up between the bow and nearer bank which forces the bow out and away describes __________.
Y a. bank cushion N b. bank suction N c. combined effect N d. bend effect 880: The projecting lugs of the rudderpost which furnish support to the rudder are called __________.
N a. bases Y b. gudgeons N c. pintles N d. rudder lugs 1020: The Plimsoll mark on a vessel is used to __________.
N a. align the vessel's tail shaft N b. determine the vessel's trim Y c. determine the vessel's freeboard N d. locate the vessel's centerline 1034: You are the licensed operator of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand the language commonly used onboard the vessel?
N a. 100% Y b. 75% N c. 65% N d. 50% 1244: Nylon line is NOT suitable for __________.
N a. towing Y b. lashings N c. stoppers N d. mooring lines 1247: You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Your first action should be to __________.
Y a. countermand the order and immediately notify the Master N b. make an appropriate entry in the deck log concerning the Pilot's order N c. immediately call the Master and await further orders from him N d. immediately sound a short ring on the general alarm 1254: Under identical load conditions, nylon, when compared with natural fiber line, will stretch __________.
N a. less and have less strength N b. more and have less strength Y c. more and have greater strength N d. less and have greater strength 1312: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. stern line N b. forward spring line Y c. after spring line N d. waist breast line 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1434: In the manufacture of wire rope, if the wires are shaped to conform to the curvature of the finished rope before they are laid up, the rope is called __________.
N a. composite N b. left-lay N c. improved Y d. preformed 1503: Which knot should be used to send a man over the side when he may have to use both hands?
N a. Bowline Y b. French bowline N c. Bowline on a bight N d. Running bowline 1550: Keel scantlings of any vessel are greatest amidships because __________.
N a. connections between forebody and afterbody are most crucial Y b. of maximum longitudinal bending moments N c. of severest racking stresses N d. resistance to grounding is at a maximum amidships 1576: Using a scope of five, determine how many shots of chain you should put out to anchor in 5 fathoms of water?
N a. 1 Y b. 2 N c. 3 N d. 5 1772: What is the volume in a cone with a base diameter of 32 feet and a height of 21 feet?
N a. 8,444.60 cubic ft. N b. 7,732.81 cubic ft. Y c. 5,629.73 cubic ft. N d. 703.72 cubic ft. 1806: If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?
N a. The towing line between the two vessels should be clear of the water. N b. The towing line should be taut at all times between the vessels. Y c. There should be a catenary so the line dips into the water. N d. None of the above 1808: Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo?
N a. U.S. Customs Service N b. OSHA Y c. American Bureau of Shipping N d. National Cargo Bureau 1958: When tandem tug towing, the more powerful of the two tugs should be __________.
N a. the lead tug Y b. behind the lead tug N c. towing at a right angle to the smaller tug N d. towing at a faster speed than the smaller tug 1978: When towing, the least amount of tension will be on each bridle leg when the two legs __________.
N a. form a large angle with each other Y b. form a small angle with each other N c. are of unequal length N d. are joined by a fishplate 1981: The boom stops on a pedestal crane prevent the boom from __________.
Y a. being raised too high N b. swinging at sea N c. overloading when not in use N d. being lowered too low 1985: You are on a 165 foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?
N a. You should stop to windward of the man and drift down on him. N b. You should stop with the man on your weather beam and twist the ship up to him. Y c. A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man. N d. Ship pick up should never be used with a shallow draft vessel. 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2026: After a seaman is discharged, at the end of the voyage, the final payment of wages due must be made, whichever is earliest, either within 24 hours after the cargo has been discharged, or __________.
Y a. within 4 days after the seaman's discharge N b. prior to the vessel's departure on the next voyage N c. prior to loading any out-bound cargo N d. prior to any change of Master 2067: What is the mechanical advantage, neglecting friction, of tackle number 12? (DO29DG )
N a. 3 N b. 5.5 N c. 6 Y d. 7 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 2249: Which knot should be used to secure a line to a spar when the pull is parallel to the spar? (DO30DG )
N a. G N b. F Y c. P N d. Q 2301: In towing, chocks are used to __________.
Y a. protect the towline from chafing N b. secure the end of the towline on the tug N c. stop off the towline while retrieving it N d. absorb shock loading on the towline 2560: 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)
N a. 101.02 numeral N b. 91.36 numeral N c. 72.43 numeral Y d. 52.79 numeral 2595: Yawing can be described as __________.
N a. jumping on the towline as the tow pitches N b. jumping on the towline as the tow slams into waves Y c. veering from side to side on the end of the towline N d. corkscrew motion of the tow due to wave action 2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.
N a. portions of the Chicago River N b. portions of the Calumet River Y c. the St. Lawrence River to Trois Rivieres N d. Saginaw Bay 2860: How are riveted lap joints made watertight?
N a. The faying surfaces are coated with white lead (or similar product) before the rivets are set. N b. A sealing weld bead of 1/8" or less pitch is run along the plate edge. Y c. The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate. N d. A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets. 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 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 3079: What is a solid at ambient temperature?
N a. Aniline N b. Formic acid N c. Methyl chloride Y d. Napthalene 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 3374: Angular motion about the longitudinal axis of a vessel is known as __________.
N a. pitch N b. surge N c. sway Y d. roll 3439: Horizontal fore or aft motion of a vessel is known as __________.
N a. pitch Y b. surge N c. sway N d. roll 3452: A drift lead indicates that the vessel is dragging anchor when the line is __________.
Y a. taut and leading forward N b. slack N c. leading out perpendicular to the centerline N d. leading under the hull 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 3631: The number of certificated able seamen and lifeboatmen required on board is listed in the __________.
Y a. Certificate of Inspection N b. American Bureau of Shipping code N c. Muster List ("Station Bill") N d. Safety of Life at Sea Convention 3645: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud Y c. very soft mud N d. sand 4012: The purpose of item G is to __________. (D024DG )
N a. distribute the vessel's thrust over a wider area N b. prevent the towboat from capsizing if item I should part Y c. prevent the knee from shifting when the rudder is put hard over N d. keep the barges from shifting fore and aft 4034: The signal man assisting the crane operator has his arm extended downwards, forefinger pointing down, and moves his hand in small horizontal circles. This is the signal to __________.
Y a. lower N b. swing N c. hoist N d. extend 4135: An advantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
Y a. has long life N b. is light weight N c. absorbs shock N d. has fine adjustment 4185: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
N a. Drape along brackets N b. Hang vertically in a sheltered area N c. Stow in bins at hatch coming side Y d. All of the above 4232: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons in the twin mode? (D049DG )
N a. 15 tons N b. 30 tons Y c. 60 tons N d. 120 tons 4277: Which wire rope purchases may be used with a 30-ton pedestal crane?
N a. Hoist N b. Luff N c. Rider block Y d. All of the above