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.
17: The mooring line labeled "E" is called a(n) __________. (DO44DG )
Y a. bow spring line N b. aft spring line N c. forward breast line N d. bow line 19: The vessel's "quarter" is located __________.
N a. abeam N b. dead astern N c. just forward of the beam on either side Y d. on either side of the stern 32: The explosive range of a fuel lies between the lower explosive limit and the __________.
N a. flash point N b. ignition temperature Y c. upper explosive limit N d. fire point 47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 70: You are on a tankship designed to carry molten sulfur. Which statement is TRUE?
N a. There must be two portable toxic vapor detectors on board. N b. The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. Y c. Cargo temperature may be taken by portable thermometers. N d. The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. 73: Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called __________.
Y a. floors N b. intercostals N c. girders N d. stringers 112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 238: A shore is a piece of securing dunnage that __________.
Y a. runs from a low supporting level up to the cargo at an angle N b. is also known as a "distance piece" N c. is placed on the deck under the cargo to distribute its weight evenly N d. is run horizontally from a support to the cargo 258: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?
N a. A flammable gas detection system must be installed in each cargo pump room. Y b. The cargo may be gauged by automatic float type devices. N c. Carriage of this cargo is authorized by issuance of an IMO Certificate. N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo. 347: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
Y a. Certificates of Discharge are not required to be issued. N b. All crew members shall have Merchant Mariner's Documents. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into 3 watches. 422: Which method should be used to secure a synthetic fiber line to two bitts?
Y a. Two round turns on the bitt closest to the strain and then figure eights N b. Two round turns on the bitt farthest from the strain and then figure eights N c. Figure eights and then a round turn at the top of both bitts N d. Only figure eights are necessary on both bitts 466: A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you __________.
N a. reverse port engine, apply right rudder N b. reverse port engine, rudder amidships Y c. reverse starboard engine, apply right rudder N d. reverse starboard engine, rudder amidships 477: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
N a. An injury requiring first aid treatment N b. Damage of bridge-to-bridge radio capability Y c. Accidental stranding or grounding N d. Damage to property amounting to $12,500 554: Which part of the patent anchor performs the same function as the stock of an old fashioned anchor; that is, forces the flukes to dig in?
N a. Bill or pea N b. Arm N c. Shank Y d. Tripping Palm 593: To lead the towing hawser over the center of the stern when not under a strain you could __________.
N a. fairlead it through a stern roller chock N b. lead it through the Norman pins N c. hold it in the median position by a gob rope or lizard stopper Y d. All of the above when so equipped 630: You are doing a Williamson turn. Your vessel has swung about 60° from the original course heading. You should __________.
N a. put the rudder amidships and check the swing N b. stop the engines and prepare to maneuver to pick up the man in the water Y c. shift your rudder N d. increase to maximum speed 704: Laying out a line in successive circles flat on deck with the bitter end in the center is known as __________.
N a. coiling N b. faking Y c. flemishing N d. lining 796: When you enter shallow water, you would expect your rudder response to __________.
Y a. be sluggish and your speed to decrease N b. be sluggish and your speed to increase N c. improve and your speed to decrease N d. improve and your speed to increase 849: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. gate valve N b. butterfly valve N c. globe valve Y d. check valve 921: Which item must be entered in the official log?
N a. All engine orders Y b. Drafts upon leaving port N c. Names of night mates and engineers N d. Number of cargo gangs on board 954: In order to correctly open a new coil of manila line, you should __________.
N a. pull the tagged end from the top of the coil Y b. pull the tagged end through the eye of the coil N c. secure the outside end and unroll the coil N d. unreel the coil from a spool 1033: Each crewmember has an assigned firefighting station. This assignment is shown on the __________.
N a. fire fighting plan N b. shipping articles N c. Certificate of Inspection Y d. muster list 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 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 1182: Your vessel must moor port side to a berth limited by vessels ahead and astern using a single tug. You are stemming a slight current and there is a light breeze of the dock. Your tug should be made up to the vessel's __________.
N a. stern on a hawser N b. quarter N c. waist Y d. bow 1257: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. Which of the following is exemplary of the statement that would officially transfer the watch?
N a. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots." N b. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots." N c. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard." Y d. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard." 1369: What is meant by "spotting the boom"?
N a. Lowering it into a cradle Y b. Placing it in a desired position N c. Spotting it with wash primer and red lead N d. Two-blocking it 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1560: Which arrangement of shell plating is used most in modern shipbuilding?
N a. Clinker Y b. Flush N c. In-and-Out N d. Joggled 1628: You are going ahead on twin engines when you want to make a quick turn to port. Which actions will turn your boat the fastest?
Y a. Reverse port engine; apply left rudder N b. Reverse port engine; rudder amidships N c. Reverse starboard engine; apply left rudder N d. Reverse starboard engine; rudder amidships 1767: What is the name of the mark indicated by the letter E? (DO03DG )
N a. Fresh water line N b. Winter water line N c. Tropical water line Y d. Summer water line 1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?
N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water. N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock. N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained. Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water. 1888: How many legs does the bridle for an ocean tow have?
N a. One Y b. Two N c. Three N d. Four 1901: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this transmission?
N a. O (IMMEDIATE) N b. Z (FLASH) N c. P (PRIORITY) Y d. R (ROUTINE) 1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.
Y a. the towing vessel should slip first N b. the vessel towed should slip first N c. they should slip simultaneously N d. either vessel may slip first 1914: You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?
N a. Clove Hitch N b. Fisherman's Bend Y c. Bowline N d. Round-turn and two half hitches 1924: The knot lettered I as shown is a __________. (DO30DG )
N a. square knot N b. round knot Y c. bowline on a bight N d. timber hitch 1928: Which towing method maintains the most control over the tow?
N a. Tandem towing N b. Honolulu towing N c. Tandem tug towing Y d. Breasted tug towing 2031: Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?
N a. Greenish Y b. Bluish N c. Grey N d. Grey-white 2230: What is the name of tackle number 1? (D029DG )
Y a. Whip N b. One-fold purchase N c. Gun tackle N d. Runner 2632: The horizontal flat surfaces where the upper stock joins the rudder are the __________.
N a. rudder keys Y b. rudder palms N c. lifting flanges N d. shoes of the rudder 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 2862: What is used to prevent accidental flooding of a double bottom or peak tanks in the event of a pipe rupture due to collision?
N a. Separate lines are provided for filling and pumping these tanks. N b. Pipe lines must run vertically from the tank to a point above the margin line before turning fore or aft towards the pump. N c. All tanks must be served by the fewest possible number of pipes to reduce the possibility of rupture. Y d. Suction lines are fitted with a non-return valve 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2928: How should you signal the crane operator to raise the boom and lower the load?
N a. Extend arm with the palm down and hold this position rigidly. N b. Place both fists in front of your body with thumbs pointing toward each other. N c. Clasp hands in front of your body. Y d. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. 2982: How should you signal the crane operator to stop?
N a. Place both fists in front of your body with the thumbs pointing outward. N b. With both arms extended out and palms down, move arms back and forth. Y c. Extend arm with the palm down and hold this position rigidly. N d. Clasp hands in front of your body. 3077: The flash point of vinyl chloride is __________.
Y a. -108°F (-78°C) N b. -20°F (-29°C) N c. 32°F (0°C) N d. 97°F (36°C) 3164: How should you signal the crane operator to lower the boom and raise the load?
N a. Extend arm and point finger in the direction to move the boom. Y b. Extend arm with thumb pointing downward and flex fingers in and out. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. N d. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. 3232: The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to __________.
N a. hoist N b. swing Y c. stop N d. lower 3420: A face line is used to __________.
N a. prevent barge movement in a lock N b. secure two barges end-to-end Y c. secure barges to the towboat N d. secure barges side-by-side 3439: Horizontal fore or aft motion of a vessel is known as __________.
N a. pitch Y b. surge N c. sway N d. roll 3448: When inspecting ground tackle, fractures are most frequently found in the __________.
N a. anchor shank Y b. end links N c. swivel N d. fluke 3544: Wire rope should be renewed when the __________.
N a. outer wires are rusted Y b. outer wires are worn to half their original diameter N c. inner core appears dry N d. certification period expires 3719: Besides saving distance along the track line, another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation is because __________.
Y a. it is faster N b. it can be used in both the immediate action and the delayed action situations N c. in fog, if the turn is started as soon as the man goes over, the vessel will be at the point where he went over when the turn is completed N d. it returns the vessel to the original track line on a reciprocal course 3776: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)
Y a. 29.70 numeral N b. 33.63 numeral N c. 49.82 numeral N d. 58.33 numeral 4032: The pivot pin at the base of a sheath-screw boom davit must be __________.
N a. inserted each time before the booms are cranked out Y b. periodically removed for inspection and lubricated N c. replaced at each inspection for certification N d. in the locked position after the boat is cradled and griped down 4175: Which of the following is NOT necessary, prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds. N b. Lower the stern ramp. Y c. Turn on the red cargo light. N d. Raise/open the stern door. 4204: Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels?
Y a. A centerline crane can never be operated in tandem. N b. One crane is able to work one end of two adjacent hatches. N c. These cranes are more economical and weigh less than outboard-mounted cranes. N d. One crane is able to work both sides of the ship. 4240: It is the responsibility of the crane operator to, at all times, be aware of the location of the __________.
N a. load N b. hook N c. boom Y d. All of the above 4241: What should be given, as a minimum, to personnel who are involved in crane cargo handling?
Y a. Protective head gear, gloves, and steel-toed safety shoes N b. A survival suit for work on the stern or side port N c. A life preserver for going aloft to work on the crane N d. All of the above