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 35: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
Y a. 3 hours to start of business the following day N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?
N a. 0% N b. 25% N c. 50% Y d. 65% 85: The wooden planking that protects the tank top from cargo loading is called __________.
Y a. ceiling N b. shores N c. frames N d. toms 250: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?
N a. The crew members Y b. The Master of the vessel N c. The port authorities N d. All of the above 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 441: The document which shows a vessel's nationality, ownership, and tonnage is the __________.
N a. Manifest Certificate N b. Bill of Lading Certificate Y c. Certificate of Documentation N d. Official Logbook 445: Where are the towing bitts best placed for towing purposes?
N a. Near the centerline and over the rudders N b. On each side of the vessel near the stern Y c. Forward of the rudder post and close to the tug's center of pivot N d. As far aft as possible 454: A rope ladder with wooden rungs is a __________.
N a. drop ladder N b. life ladder Y c. Jacob's ladder N d. jury ladder 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 615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.
Y a. bank cushion N b. bank suction N c. bow wave N d. veering cushion 646: What shape barge offers the least resistance in river towing?
N a. A square ended barge Y b. Barges with spoon shaped bows N c. Ship-shaped barges N d. Hopper barges 660: You receive word that a person has fallen overboard from the starboard side. You should FIRST __________.
N a. notify the Master Y b. put the wheel hard right N c. put the engines full astern N d. sound the man overboard alarm 660: You receive word that a person has fallen overboard from the starboard side. You should FIRST __________.
N a. notify the Master Y b. put the wheel hard right N c. put the engines full astern N d. sound the man overboard alarm 665: The catenary __________.
N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow N b. gives an approximation of the amount of strain on the towing hawser N c. is the dip in the towing hawser between the tug and the tow Y d. All of the above 725: By law, a user of marijuana shall be subject to __________.
N a. loss of pay during the period of such use N b. reprimand by the US Coast Guard Y c. revocation of license or certificate N d. termination of employment 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. 913: When commencing cargo operations on a container ship, one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ____________.
N a. remove an existing list that would slow down cargo operations Y b. initiate loading in conjunction with unloading at the hatch N c. improve stability during cargo operations N d. allow longshoremen easy access to the hatch 922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?
N a. Shut down the cargo hold ventilation. N b. Sound the fire alarm signal to rouse out all hands. N c. Call the Master. Y d. Proceed to the space and inspect the extent of the fire. 992: 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)
N a. 29.49 numeral Y b. 31.97 numeral N c. 33.61 numeral N d. 35.12 numeral 1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.
N a. exemption space N b. tonnage deck N c. cofferdam Y d. tonnage opening 1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.
Y a. a check valve will close and prevent reverse circulation N b. a centrifugal counterweight counteracts the force of gravity. N c. the electric pump motor will cut out N d. the control lever will move to the stop position 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1326: After casting off moorings at a mooring buoy in calm weather, you should __________.
N a. go full ahead on the engine(s) Y b. back away a few lengths to clear the buoy and then go ahead on the engines N c. go half ahead on the engines and put the rudder hard right N d. go half ahead on the engines and pass upstream of the buoy 1430: A vessel's bottom will be subjected to tension when weight is concentrated __________.
Y a. amidships N b. aft N c. at both ends of the vessel N d. forward 1531: Maritime Administration personnel may be allowed in the pilothouse upon the responsibility of the __________.
N a. Chief Officer N b. Navigator N c. most senior person present from the Maritime Administration Y d. officer in charge of the watch 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 1753: To reeve a right-angle threefold purchase start with the __________.
N a. left sheave bottom block N b. left sheave top block Y c. middle sheave top block N d. right sheave bottom block 1895: The knot lettered Q as shown is a __________. (DO30DG )
N a. square knot N b. clove hitch Y c. bowline N d. round knot 1929: 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 10 feet?
N a. 22.44 T N b. 11.22 T N c. 7.48 T Y d. 5.61 T 2095: You are using a racetrack turn to recover a man overboard. The vessel is first steadied when how many degrees away from the original heading?
N a. 60° to 70° N b. 90° N c. 135° Y d. 180° 2159: What is the mechanical advantage of tackle number 9? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2196: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Blot out the error completely and rewrite the entry correctly. N b. Carefully and neatly erase the entry and rewrite it correctly. Y c. Cross out the error with a single line, write the correct entry, and initial it. N d. Remove this page of the log book and rewrite all entries on a clean page. 2226: The knot lettered O is a __________. (DO30DG )
N a. timber hitch Y b. barrel hitch N c. carrick bend N d. blackwall hitch 2226: The knot lettered O is a __________. (DO30DG )
N a. timber hitch Y b. barrel hitch N c. carrick bend N d. blackwall hitch 2228: 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 listed. Based on this data what is the transfer for a turn of 60°? (D035DG )
Y a. 140 yards (126 meters) N b. 180 yards (162 meters) N c. 225 yards (203 meters) N d. 270 yards (243 meters) 2229: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? (DO29DG )
Y a. 20 N b. 9 N c. 5 N d. 4 2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.
N a. provide tail shaft clearances Y b. test welds for subsurface defects N c. check the wear of the rudder carrier bearing N d. test the links of the anchor cables while being ranged 2590: Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?
Y a. Crossing the spring lines N b. Slacking all forward running lines while keeping all after running lines taut N c. Doubling up on spring or breast lines N d. Slacking bow and stern lines 2642: Which line is two-stranded, left-handed small stuff?
N a. Houseline Y b. Marline N c. Ratline N d. Lagline 2644: The boat is stowed on the davit rather than on a cradle with which type of davit?
Y a. Crescent N b. Sheath-screw boom N c. Quadrantal N d. Radial 2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?
Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases. N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien. N c. Damage caused by riot of the population of a port. N d. Losses caused by fines from polluting the harbor after malfunction of a piping system. 2890: A vessel cannot comply with all of the SOLAS requirements due to its construction. Where will this be indicated?
N a. Nowhere; the vessel must comply to engage in international trade. N b. On the reverse of the SOLAS certificate Y c. On the Exemption Certificate N d. On the Certificate of Inspection 2892: What is LEAST likely to be used to strip a cargo tank?
Y a. Centrifugal pump N b. Eductor N c. Rotary pump N d. Reciprocating pump 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. 3014: You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.
N a. 1 1/8 inch Y b. 1 1/2 inch N c. 1 3/4 inch N d. 2 inch 3016: To obtain better steering control when you are towing alongside, your vessel should be positioned with its __________.
N a. bow extending forward of the tow N b. stern amidships of the tow Y c. stern extending aft of the tow N d. bow even with the bow of the tow 3039: What is NOT a problem when carrying coal?
Y a. The requirement for through-ventilation N b. The corrosion some types of coal will cause to the ship N c. Spontaneous heating N d. Generation of methane gas 3280: What is NOT accepted as the required shipping papers on a manned and loaded tank barge?
N a. Bill of Lading N b. Manifest N c. Shipping document Y d. Logbook entry 3282: What term indicates the immersed body of the vessel aft of the parallel mid-body?
Y a. Run N b. Stern N c. Counter N d. Flow 3288: The angular movement of a vessel about a horizontal line drawn from its bow to its stern is __________.
N a. pitching Y b. rolling N c. heaving N d. swaying 3447: The best method to secure a tow line to a cleat is to __________.
Y a. take a turn around the cleat, then figure-eights, and a half-hitch N b. make figure-eights, followed by a half-hitch, then a figure-eight knot N c. take a turn, a half turn, and a figure-eight N d. take several turns around the cleat only 4018: The BEST holding ground for conventional anchors is __________.
Y a. sand N b. very soft mud N c. shale N d. rock 4030: While discharging a cargo, the stripping of the tanks falls behind schedule. This would indicate the __________.
N a. main pumps are working at a high discharge pressure Y b. main pumps are leaving too much oil in the tanks N c. stripping pump is not primed N d. stripping line is cross-connected to the main line 4051: You are the operator of an uninspected vessel which is involved in an accident. You are not required to assist people affected by the accident if __________.
N a. the other vessel did not appear to be sinking N b. it would unduly delay your voyage N c. the other vessel was at fault Y d. it would cause serious danger to your vessel 4131: What is used when securing light vehicles aboard Ro-Ro vessels?
Y a. Buckle or ratchet tensioner N b. Chain N c. Wire N d. Manila rope 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 4379: When relieving the helm, the new helmsman should know the __________.
N a. maximum rudder angle previously used N b. gyro error N c. variation Y d. course per magnetic steering compass