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.
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 99: What is meant by "thieving" a petroleum cargo?
N a. Siphoning off a few barrels of petroleum for shipboard use Y b. Determining the amount of water (if any) in each cargo tank N c. Adjusting the cargo figures to coincide with the draft N d. Reducing the gross cargo calculations to net amounts 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 175: While the Pilot is maneuvering the vessel to a dock, what is the primary responsibility of the watch officer?
N a. Judge the appropriateness of the Pilot's orders and countermand them if necessary Y b. Insure that helm and throttle orders given by the Pilot are correctly executed N c. Record the bells and their times in the bell book N d. Supervise the signaling and flag etiquette 181: Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?
N a. Aliens may be employed except that all U.S. flag vessels must maintain no less than 90% U.S. citizens in the crew. Y b. Qualified aliens may be employed to fill the vacancies. N c. Seamen to fill vacancies must be flown from U.S. to join the vessel in the foreign port. N d. Vacancies can only be filled by U.S. citizens with valid Merchant Mariner's Documents. 207: A towing vessel's capability is BEST measured by horsepower, maneuverability, displacement, and __________.
N a. stability N b. propeller design Y c. bollard pull N d. towing winch horsepower 224: The term "Shift the Rudder" means __________.
N a. put the rudder amidships N b. use right or left rudder N c. check, but do not stop the vessel from swinging Y d. change from right to left or left or right 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. 266: The distance that a ship moves forward with each revolution of its propeller, if there is no slip, is called __________.
N a. advance N b. head reach Y c. pitch N d. transfer 274: What is the difference between net tonnage and gross tonnage?
Y a. Net tonnage is the gross tonnage less certain deductible spaces. N b. Net tonnage is tonnage of cargo compared to tonnage of whole ship. N c. Net tonnage is gross tonnage minus engine and bunker spaces. N d. Net tonnage is the net weight of the ship. 349: The periodic weight testing of a vessel's cargo booms may be performed by the __________.
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. National Cargo Bureau N d. Society of Naval Architects and Marine Engineers 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 511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.
N a. enrollment N b. license Y c. registry N d. sea letter 528: Determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (16°C). (D008DG )
N a. 14°F N b. 20°F N c. 28°F Y d. 50°F 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" 597: Wages due a seaman may be attached by the court for the __________.
N a. payment of monthly bills N b. payment of creditors Y c. support of a minor child N d. All of the above 639: The complete details of a crude oil washing system aboard your vessel, including the operating sequences and procedures, design characteristics, a description of the system, and required personnel will be found in the __________.
N a. Oil Transfer Procedures Manual Y b. Crude Oil Washing Operations and Equipment Manual N c. Code of Federal Regulations N d. Crude Oil Washing addendum to the Certificate of Inspection 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 680: You must medevac a critically injured seaman by helicopter hoist. Which statement is TRUE?
N a. The ship's relative wind should be from dead ahead at 10 to 30 knots. Y b. The deck crew at the hoist point should not wear baseball hats. N c. The helicopter's drop line should be secured to the ship not more than 15 feet from the hoist position. N d. When using a "horse collar", the bight of the loop should be around the chest of the injured seaman. 787: While assigned to a 120 GRT vessel, you are required to sign "foreign" articles on a voyage from New York City to which port?
N a. Halifax, Canada Y b. Long Beach, California N c. Veracruz, Mexico N d. Saint Maarten, Netherlands Antilles 872: In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, when the __________.
Y a. injury requires immediate inpatient hospitalization of the seaman N b. Master authorizes the agent to act in his place N c. ship is still in port and the seaman can appear before the Consul after medical treatment N d. seaman also consents to the absence, and there is no dispute as to the wages due 899: When must the owner or Master of a towing vessel retest a towline or remove it from service?
Y a. When the record of its material condition lapses for 3 months or more. N b. After it jams on the towing winch. N c. After it drags on the bottom. N d. When it has not been used for over 60 days. 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?
N a. Abandon the towing vessel. N b. Radio for emergency assistance. Y c. Slip the towline and allow it to run off the drum. N d. Secure all watertight openings on the towing vessel. 1105: You are rigging a stage over the ship's side to serve as a working platform. For stability of the stage, the downhaul to one end of the stage and the downhaul to the other end, which are used for lowering the stage, should be led __________.
N a. both to the inboard side of the stage N b. both to the outboard side of the stage Y c. one to the inboard and the other to the outboard N d. either both to the inboard or both to the outboard side of the stage 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 1175: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way?
N a. The ship's Doppler log reads zero Y b. The backwash of the propeller reaches amidships N c. An azimuth bearing on the beam remains steady N d. All of the above 1180: The regulations require that inspected vessels on an international voyage, other than small passenger vessels, must carry which of the following distress signals on or near the navigating bridge?
N a. 12 hand red flares Y b. 12 rocket parachute flares N c. 12 hand combination flares and orange smoke signals N d. 6 hand red flares, and 6 hand orange smoke signals 1181: Uncleared crew curios remaining on board during a domestic coastwise voyage after returning from foreign should be __________.
N a. listed in the Official Logbook N b. cleared prior to the next foreign voyage Y c. noted in the Traveling Curio Manifest N d. retained under locked security by the owner 1210: To rigidly fasten together the peak frames, the stem, and the outside framing, a horizontal plate is fitted across the forepeak of a vessel. This plate is known as a(n) __________.
N a. apron plate Y b. breasthook N c. intercostal plate N d. joiner 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 1322: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?
N a. He may refuse to take the seaman if the ship will not stop at a U.S. port within 30 days. N b. He is required to accept the seaman only if the seaman is medically unfit. Y c. He may refuse to take the seaman if the seaman has a contagious disease. N d. He is required to take the seaman under any circumstance. 1346: The best method of determining if a vessel is dragging anchor is to note __________.
N a. the amount of line paid out N b. how much the vessel sheers while at anchor N c. any change in the tautness of the anchor chain Y d. changes in bearings of fixed objects onshore 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 1595: Which picture represents a barrel hitch? (DO30DG )
Y a. O N b. U N c. E N d. P 1615: A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is __________.
N a. tow strain N b. catenary length Y c. being in step N d. Williamson's Tow 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 1703: What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 571.4 N b. 715.2 Y c. 960 N d. 1066.7 1829: The term "shift your rudder" means __________.
Y a. change from right rudder to left rudder an equal number of degrees N b. double your rudder angle or go to full rudder N c. bring your rudder amidships N d. check the swing of the vessel 1871: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
N a. O (IMMEDIATE) N b. Z (FLASH) N c. R (ROUTINE) Y d. P (PRIORITY) 1910: The knot lettered J is a __________. (DO30DG )
Y a. plain whipping N b. bowline N c. marline hitch N d. becket bend 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 1939: You are on a vessel that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of the towline. Which statement is TRUE?
N a. The anchor cable should be veered enough to allow the towline connection to be just forward of your bow. N b. The anchor cable should be veered enough to allow the towline connection to be immediately astern of the towing vessel. Y c. The strain of the tow is taken by the riding pawl, chain stopper, and anchor windlass brake. N d. The anchor cable should be led out through a chock, if possible, to avoid a sharp nip at the hawsepipe lip. 2042: Which statement about the deck line is TRUE?
N a. The top of the deck line is marked at the highest point of the freeboard deck, including camber, at the midships point. Y b. A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell. N c. The deck edge is marked at the intersection of the freeboard deck with the side shell, at the lowest point of sheer, with the vessel at even trim. N d. On a vessel with a rounded stringer-sheer plate, the deck line is marked where the stringer plate turns down from the plane of the deck line. 2102: A seaman deserts the vessel in a foreign port. What should the Master do with any of the deserter's personal effects remaining on board?
N a. Sell them at auction and deposit the money in the ship's morale or welfare fund. N b. Donate them to a local charity upon return to the United States. Y c. Transfer them to the appropriate district court of the U.S. at the end of the voyage. N d. Inventory them, make an appropriate entry in the Official Logbook and dispose of them at sea. 2112: What is NOT surveyed at an annual load line survey?
N a. The overall structure and layout of the vessel for alterations to the superstructure Y b. The bilge pumping system N c. Main deck hatch covers N d. Portholes and deadlights in the side plating 2122: What is the name of tackle number 9? (DO29DG )
N a. Single purchase N b. One-two tackle N c. Double whip Y d. Luff tackle 2708: Which statement is TRUE with respect to the load line markings shown. (D031DG )
Y a. A vessel displaying these marks may load in the salt waters of the St. Lawrence River. N b. Vessels engaged solely on Great Lakes voyages are not required to show these marks. N c. U.S. flag vessels less than 100 feet in length and less than 200 gross tons are not required to show these marks. N d. U.S. flag vessels of 100 gross tons and upward must show these marks. 2908: How should you signal the crane operator to use the whip line?
N a. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. Y b. First tap your elbow with one hand, and then proceed to use regular signals. N c. First tap the top of your head with your fist, and then proceed to use regular signals. N d. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal. 3081: A seaman is entitled by law to a release from Foreign Articles when __________.
N a. intoxicated N b. deductions are made from wages N c. injured Y d. the vessel is overloaded 3099: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. quarter line N b. back line N c. peg line Y d. jockey line 3099: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. quarter line N b. back line N c. peg line Y d. jockey line 3240: You are the operator of a towing vessel which becomes involved in a collision. By law you must assist __________.
N a. if your vessel is at fault N b. if you can do so without excessive delay Y c. if you can do so without serious danger to your vessel N d. regardless of the circumstances 3350: It is not advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too expensive for everyday towing usage N c. binds on the cleats N d. parts too readily 3600: A helmsman receives the command "Right 15 degrees rudder." The helmsman's IMMEDIATE reply should be __________.
N a. "Aye Aye Sir" Y b. "Right 15 degrees rudder" N c. "Rudder is right 15 degrees" N d. No reply is necessary, just carry out the order 3693: When the Pilot is embarked he or she __________.
N a. relieves the Master of his duties N b. is solely responsible for the safe navigation of the vessel Y c. is a specialist hired for his or her local navigational knowledge N d. relieves the officer of the watch 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 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N 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 4249: Which action(s) are included in crane operations?
N a. Pre-operation of the anchor windlass N b. Preparing steam on deck Y c. Luff, slew, and hoist operations N d. All of the above