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.
3: A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a __________.
N a. riding pawl N b. buckler Y c. devil's claw N d. locking ring 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 49: Flammable liquid means any liquid which gives off flammable vapors at or below __________.
N a. 40°F (4.4°C) Y b. 80°F (26.7°C) N c. 110°F (43.3°C) N d. 150°F (65.6°C) 60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?
N a. The ullage must be padded with compressed air at a minimum pressure of 2 psig. Y b. Silver and copper are prohibited in the parts of valves and fittings in contact with the cargo. N c. The cargo tank may be sampled only when the tank is being filled. N d. The shipping document must specify the exact quantity of butadiene being carried. 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 110: What is NOT required as special safety equipment on a tankship carrying hazardous cargoes in bulk?
N a. Shower and eyewash fountain N b. Equipment to lift an injured person from a pumproom Y c. Two portable vapor detectors suitable for the cargoes carried N d. A safety locker adjacent to the emergency shutdown station 164: A look-out should report objects sighted using __________.
N a. true bearings N b. magnetic bearings N c. gyro bearings Y d. relative bearings 243: A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?
N a. Length of the towline Y b. Height of the towline connection N c. Longitudinal position of the towline connection N d. Direction of opposing force 321: Which is a TRUE statement concerning the examining of cargo equipment at the time of a vessels Inspection for Certification.
N a. Cargo booms must be weight tested at this time by the U.S. Coast Guard. N b. Cargo booms must be weight tested at this time by the American Bureau of Shipping. N c. Cargo booms must be weight tested at this time by the National Cargo Bureau. Y d. No test at this time is required. 431: Official proof of an American vessel's nationality is contained in the __________.
N a. Certificate of Inspection N b. Official Log Y c. Certificate of Documentation N d. Shipping Articles 436: The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?
N a. The bow will go to port. Y b. The bow will go to starboard. N c. The bow will remain steady. N d. The stern will go to starboard. 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 543: You would be most likely to use a fishplate __________.
N a. when towing alongside Y b. on a hawser tow N c. when pushing ahead or in the notch N d. when running "light boat" 555: A chain bridle is used when towing astern because it __________.
N a. is easy to connect Y b. provides an effective catenary and absorbs shock due to its weight N c. makes rigging a swivel unnecessary N d. prevents the tow from yawing by the drag of the chains in a seaway 678: Prior to being able to sail, each vessel that carries grain in bulk must have a certificate of loading issued by the __________.
N a. American Bureau of Shipping N b. Lloyds of London Y c. National Cargo Bureau N d. U.S. Salvage 706: 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. Y b. It pulls the stern toward the bank. N c. It pushes the entire vessel away from the bank. N d. It heels the vessel toward the bank. 896: A V-shaped ripple with the point of the V pointing upstream in a river may indicate a __________.
N a. submerged rock, not dangerous to navigation N b. sunken wreck, not dangerous to navigation Y c. towed-under buoy N d. All of the above 916: A condition where two currents meet at the downstream end of a middle bar can be determined by a __________.
N a. small whirlpool N b. smooth patch of water Y c. V-shaped ripple with the point of the V pointing downstream N d. V-shaped ripple with the point of the V pointing upstream 960: Gross tonnage indicates the vessel's __________.
N a. displacement in metric tons N b. total weight including cargo Y c. volume in cubic feet N d. draft in feet 1006: Which action reduces the yawing of a vessel in a following sea?
N a. Increasing GM N b. Pumping out tanks aft N c. Shifting weights to the bow Y d. Shifting weights to the stern 1016: Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?
Y a. Put the sea and wind about two points on either bow and reduce speed. N b. Heave to in the trough of the sea. N c. Put the sea and wind on either quarter and proceed at increased speed. N d. Put the bow directly into the sea and proceed at full speed. 1029: When cleaning a tank by the Butterworth process, you should begin to pump out the slops __________.
N a. at the end of the drop schedule Y b. when the process is started N c. when the process is finished N d. when the tank is clean 1031: Which certificate is NOT issued by the Coast Guard?
N a. Award of official number N b. Certificate of Inspection Y c. Classification of Hull and Machinery N d. Safety Equipment Certificate 1061: A vessel arrives at the port of San Francisco from Yokohama, Japan. The passengers fill out the Baggage Declaration and Entry form. A passenger has baggage arriving on another vessel. How must this baggage be handled for U.S. Customs purposes?
N a. It need not be declared at this time. Y b. It must be declared on the same form and marked "Unaccompanied Baggage". N c. It must be declared on another form entitled "Continuation Sheet". N d. It must be declared only if the other vessel's name is known. 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. 1209: When cargo is being worked using a Burton or married fall system, which part of the cargo gear is most likely to fail?
N a. Boom N b. Gooseneck Y c. Guy tackle N d. Topping lift 1225: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 2 OKTAs concentration?
N a. 10% N b. 20% Y c. 25% N d. 67% 1444: If kinking results while wire rope is being coiled clockwise, you should __________.
N a. coil it counterclockwise N b. not coil it Y c. take a turn under N d. twist out the kinks under a strain 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 1640: The garboard strake is the __________.
N a. raised flange at the main deck edge N b. riveted crack arrester strap on all-welded ships N c. riveting pattern most commonly used in ship construction Y d. row of plating nearest the keel 1640: The garboard strake is the __________.
N a. raised flange at the main deck edge N b. riveted crack arrester strap on all-welded ships N c. riveting pattern most commonly used in ship construction Y d. row of plating nearest the keel 1661: Which document is NOT required by law to be posted aboard a vessel?
N a. Certificate of Inspection Y b. Official Crew List N c. Officer's licenses N d. Muster list 1675: What is the name of the mark indicated by the letter D? (D003DG )
Y a. Tropical load line N b. Summer load line N c. Fresh load line N d. Winter load line 1714: A "sheepshank" is used to __________.
N a. keep a line from fraying N b. join lines of unequal size N c. stop off a line Y d. shorten a line 1719: What is a CORRECT reply to a pilot's request, "How's your head"?
N a. "Steady" N b. "Eased to 10° rudder" N c. "Checked" Y d. "Passing 50°" 1763: You are in charge while handling a synthetic hawser on a capstan. The hawser has a heavy strain and you wish to avoid the hawser's slipping on the capstan drum. Which action should you take?
Y a. Back off on the capstan a bit and have the seaman take several more turns on the drum. N b. Have the seaman take a strain on the hawser and carefully have several turns added on the drum. N c. Have more than one seaman hold a good strain on the hawser and continue to heave easy. N d. While continuing to heave slowly on the capstan, have the seaman take several more turns on the drum. 1784: The "rolling hitch" could be used to __________.
N a. join two lines of different sizes N b. join two lines of equal sizes N c. add strength to a weak spot in a line Y d. act as a stopper to transfer a line under strain 1794: A "figure eight" knot is used to __________.
N a. be a stopper N b. shorten a line N c. join lines of equal size Y d. keep a line from passing through a sheave 1804: Instead of whipping an end of a line, a temporary means of preventing the line from unraveling is to tie a __________.
N a. becket bend N b. blackwall hitch Y c. figure-eight knot N d. square knot 1926: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 12 feet?
Y a. 6.73 T N b. 7.85 T N c. 13.46 T N d. 26.93 T 1993: The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is __________.
N a. coiling the line Y b. faking down the line N c. flemishing the line N d. racking the line 2087: A vessel has a deadweight carrying capacity of 10,500 tons. Fuel, water, and stores require 1500 tons. The cubic capacity is 500,000 cubic feet. Which cargo will put her full and down?
N a. Slabs of zinc, SF 7.1 Y b. Rolls of barbed wire, SF 55.5 N c. Barrels of tallow, SF 66.8 N d. Bundles of rubber, SF 140.2 2089: In addition to the load lines indicated in illustration D003DG, some vessels have a Winter North Atlantic line. Which statement about this load line mark is TRUE?
N a. It is carried on VLCC/ULCC type vessels and allows reduced freeboard considering their size. N b. It is marked above line B in the diagram. N c. It is applied to vessels on restricted trade routes between the United Kingdom, Iceland, and Northern European countries. Y d. It applies only to vessels not exceeding 328 ft. navigating in the Winter North Atlantic zones. 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 2292: The biggest problem encountered when towing bridle legs are too short is __________.
N a. retrieval N b. adjusting tension Y c. excessive strain N d. hookup to main towline 2346: What is the volume of a sphere with a radius of 11 feet?
N a. 506.75 cubic ft. N b. 696.78 cubic ft. Y c. 5,575.28 cubic ft. N d. 44,593.82 cubic ft. 2353: Which mooring line prevents sideways motion of a vessel moored to a pier?
N a. A line led forward from the bow N b. A line led aft from the bow N c. A line led in the same direction as the keel Y d. A line led at a right angle to the keel 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 2702: How long is the standard container used to measure equivalent units?
N a. 10 feet (3 meters) Y b. 20 feet (6 meters) N c. 35 feet (11 meters) N d. 40 feet (12 meters) 2855: A 150-meter vessel is proceeding down the course of a narrow channel in the Great Lakes System. A 60-meter vessel is starting to cross the channel. Which statement is TRUE?
Y a. If the smaller vessel is engaged in fishing, he shall not impede the passage of the other vessel. N b. The crossing vessel has the right of way. N c. The vessel in the channel must slow to her steerageway. N d. The larger vessel is considered to be a vessel restricted in her ability to maneuver. 3060: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise adjustment of cargo flow N b. Faster rate of cargo flow Y c. Easier operation N d. Less chance of leaks 3082: Which statement is FALSE with regards to the Great Lakes Light List?
Y a. The Light List does not contain information on any of the navigational aids maintained by Canada. N b. Volume VII does not include information on Class III private aids to navigation. N c. The Light List does not include Coast Guard mooring buoys, special purpose buoys, or buoys marking fish net areas. N d. The Light List should be corrected each week from the appropriate Notice to Mariners. 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 3260: When underway with a tow, you must notify the Coast Guard of which casualty?
N a. Damage to property amounting to $1,500 N b. Loss of bridge-to-bridge radio capability N c. An injury requiring first aid Y d. Loss of main propulsion 3450: Kort nozzles are installed around the propellers of some vessels to __________.
Y a. increase the thrust of the propeller N b. protect the propeller from striking sawyers N c. prevent the propeller from striking barges towed on the hip N d. prevent the propeller from touching bottom in low water 3456: The vertical movement of a vessel in the water is called __________.
N a. pitch N b. sway Y c. heave N d. roll 4129: Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels?
N a. Chain lever or turnbuckle Y b. Webbing N c. Chain N d. None of the above 4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )
N a. 30 tons N b. 60 tons N c. 90 tons Y d. 120 tons 4255: Which of the following statement(s) is/are TRUE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. N c. When twinned, the crane rotation on the foundation assembly is unlimited. Y d. All of the above 4255: Which of the following statement(s) is/are TRUE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. N c. When twinned, the crane rotation on the foundation assembly is unlimited. Y d. All of the above