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.
15: Floors aboard ship are __________.
Y a. frames to which the tank top and bottom shell are fastened on a double bottomed ship N b. transverse members of the ships frame which support the decks N c. longitudinal beams in the extreme bottom of a ship from which the ship's ribs start N d. longitudinal angle bars fastened to a surface for strength 26: The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is __________.
N a. right at the bow Y b. one-third the length of the vessel from the bow N c. one-half the length of the vessel from the bow N d. two-thirds the length of the vessel from the bow 39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 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) 75: Frames to which the tank top and bottom shell are fastened are called __________.
Y a. floors N b. intercostals N c. stringers N d. tank top supports 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 127: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )
Y a. breast line N b. shore line N c. spring line N d. stern line 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 171: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are as listed. Based on this data what is the transfer for a turn of 30°? d035dg
Y a. 40 yards N b. 140 yards N c. 190 yards N d. 230 yards 212: Your vessel is port side to a pier with a spring line led aft from the bow. In calm weather, putting the engines ahead with the rudder hard left should bring __________.
Y a. the bow in and the stern out N b. both the bow and stern in N c. the bow out and the stern in N d. both the bow and stern out 265: Which statement is TRUE about hooks and shackles?
N a. Hooks are stronger than shackles of the same diameter. Y b. Shackles are stronger than hooks of the same diameter. N c. Hooks and shackles of the same diameter are of equal strength. N d. All the above may be true, depending on the hook's or shackle's overall length. 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" 397: Which statement is TRUE concerning deep well self-priming pumps?
N a. When loading oil cargo, it is always loaded via the discharge line through to the pump until the tank is topped off. Y b. Stripping systems are generally eliminated for the purposes of cargo handling. N c. In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships. N d. There is no danger of damaging the pump from overheating. 414: To "ease" a line means to __________.
N a. cast off N b. double up so that one line does not take all the strain Y c. pay out line to remove most of the tension N d. slack it off quickly 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 505: Which form of navigation may be suspended without notice under defense planning?
N a. celestial N b. piloting Y c. electronic N d. None of the above 506: With rudders amidships and negligible wind, a twin-screw vessel moving astern with both engines backing will back __________.
N a. to port N b. to starboard Y c. in a fairly straight line N d. in a circular motion 534: Which is part of the ground tackle?
N a. Charlie noble Y b. Devil's claw N c. Gooseneck N d. Rat's tail 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 575: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" N b. "Checked" Y c. "Passing 200°" N d. "Eased to 10° rudder" 683: Barges and vessels are ballasted before departure to __________.
Y a. improve their stability N b. avoid polluting waters where liquid ballast may not be discharged N c. prevent free surface effects N d. allow movement of liquids within the barge for tank cleaning 877: On which vessels may licensed individuals be required to stand watch under the two-watch system, on voyages of more than 600 miles in length?
Y a. Uninspected towing vessels N b. Offshore supply vessels N c. Cargo ships N d. Tank vessels 887: The condition of a towline must be monitored by ______________ .
N a. keeping record of the towline's initial minimum breaking strength N b. keeping record of each retest of the towline's minimum breaking strength N c. conducting routine visual inspections of the towline Y d. All of the above 932: When bunkering at a dock which of the following signals must be displayed?
N a. A yellow flag by day, red light by night Y b. A red flag by day, red light by night N c. A green flag by day, green light by night N d. A red flag by day, a blue light by night 941: Which logbook is required to be submitted to the Coast Guard?
Y a. Official Log N b. Smooth log N c. Rough log N d. Bell log 985: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. call the engineroom and report that you have lost steering N b. signal the engineroom to stop the engines Y c. shift the selector switch to the other steering system N d. call the Master 997: When steering by hand, which of the following may be a functional input to the steering gear as a result of turning the wheel?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1042: Your vessel has the symbol shown inscribed on the sides amidships. Which statement is TRUE? (D022DG )
N a. This line represents the load line mark for a Great Lakes voyage. Y b. The gross and net tonnage of the ship will change if this mark is submerged and the load line is visible. N c. The line directly under the triangle is at the same level as the summer load line. N d. This is the equivalent of a load line marking for government (CofE, NOAA, MSC) vessels. 1098: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
Y a. injured is unfit for duty N b. injured is able to return to work N c. injury results in loss of life only N d. injury is the result of misconduct 1125: The pivoting point of a vessel going ahead is __________.
Y a. about one-third of the vessel's length from the bow N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe N d. near the stern 1150: In ship construction, frame spacing is __________.
N a. greater at the bow and stern Y b. reduced at the bow and stern N c. uniform over the length of the vessel N d. uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses 1189: When bunkering is complete, the hoses should be __________.
N a. cleaned internally with a degreaser N b. washed out with hot soapy water Y c. drained, blanked off, and stored securely N d. stowed vertically and allowed to drain 1552: Which picture represents a stopper hitch? (DO30DG )
N a. M Y b. N N c. R N d. L 1603: Which weakens a line the LEAST?
N a. Clove hitch N b. Long splice Y c. Short splice N d. Square knot 1632: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
Y a. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel. N b. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N c. A seaman is injured and in the hospital for four days. N d. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. 1667: When the gyro-pilot is used for steering, what control is adjusted to compensate for varying sea conditions?
N a. Rudder control N b. Sea control N c. Lost motion adjustment Y d. Weather adjustment 1783: Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?
N a. Bow line N b. Breast line Y c. Spring line N d. Stern line 1787: Which picture represents a blackwall hitch? (DO30DG )
N a. F N b. H N c. P Y d. S 1838: You are docking a vessel. If possible, you should __________.
N a. go in with the current Y b. go in against the current N c. approach the dock at a 90° angle and swing to N d. pass a mooring line to the dock with a heaving line and let the crew pull the vessel in 1844: A wooden float placed between a ship and a dock to prevent damage to both is called a __________.
Y a. camel N b. dolphin N c. rat guard N d. wedge 1853: A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a __________.
N a. hawser which is used to pass a tail-block and whip to the vessel N b. hawser with breeches buoy and harness attached N c. hawser which should be made fast to the vessel below the intended location of the tail-block Y d. tail-block and whip which may be used to pass a hawser to the vessel 1950: You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?
N a. You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors. N b. If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors. Y c. An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats. N d. Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel. 2104: You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?
N a. Steering a zigzag course with 5 to 10 minutes on each leg N b. Steering a sinuous course N c. Dumping debris over the side to make a trail to your vessel Y d. Making smoke in daylight 2352: The recessed areas on a wildcat are called __________.
N a. pawls N b. sockets Y c. pockets N d. devil's claws 2579: Where are the test certificates, for wire rope used as cargo runners, and loose gear certificates usually maintained?
Y a. With the Cargo Gear Register on the ship N b. In the Official Log N c. At the Coast Guard Marine Safety Office with the vessel's inspection records N d. At the central records center of the agency testing the cargo gear 2672: The term "scantlings" refers to the __________.
N a. draft of a vessel Y b. measurements of structural members N c. requirements for ship's gear N d. placement of a vessel's load line 2990: When cutting regular-lay wire rope, what is the minimum number of seizings to be placed on each side of the cut?
N a. One N b. Two, and three on rope diameters over 1 inch Y c. Three, and more on larger diameter wire ropes N d. Four 3012: Which statement about the ventilation of bulk coal is TRUE?
N a. Coal should not be ventilated; all oxygen should be excluded from the cargo. N b. Coal should be through-ventilated to remove methane and reduce the heat of spontaneous combustion. N c. Coal should be ventilated only if temperatures in the center of the cargo exceed 125°F. Y d. Coal should be surface ventilated only. 3100: A holder of a license as Master of towing vessels may work each 24 hours for a period not to exceed __________.
N a. 6 hours Y b. 12 hours N c. 18 hours N d. 24 hours 3108: How should you signal the crane operator to raise the boom?
N a. Extend arm with the thumb pointing up and flex the fingers in and out. N b. Place both fists in front of the body with the thumbs pointing upward. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y d. Extend arm with fingers closed and point thumb upward. 3132: What may prevent a tug from tripping or capsizing when towing a large vessel?
N a. Surge lines Y b. Norman Pins N c. Under riders N d. Safety shackles 3248: The rope which is the lightest is __________.
N a. manila N b. nylon Y c. polypropylene N d. dacron 3480: When barge headlogs do not meet or are not even with one another, the void or opening between them is called a __________.
Y a. notch N b. hole N c. spacing N d. gap 3511: The wheel on the windlass with indentations for the anchor chain is the __________.
N a. grabber Y b. wildcat N c. locking ring N d. pawl 3520: A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?
N a. Shift weight to the bow N b. Shift weight to the center of the boat Y c. Shift weight to the stern N d. Throw excess weight overboard 3599: What term indicates the outward curvature of the hull above the waterline?
N a. sheer N b. tumble home N c. deadrise Y d. flare 4102: What characterizes a Ro-Ro vessel?
N a. May carry up to 24 passengers Y b. High freeboard and sail area N c. Long port stays required for cargo securing N d. Lightweight securing equipment trailers 4177: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp Y c. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4205: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
N a. Portable power swivel Y b. Equalizing beam N c. 20-foot container spreader N d. 40-foot container spreader 4235: What describes a twin crane lift?
N a. Single crane hoisting 30 tons Y b. Two cranes on a single pedestal hoisting 60 tons N c. Two sets of twin cranes hoisting 120 tons N d. All of the above