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.
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) 66: Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?
N a. With the wind from ahead N b. With the wind off the port beam N c. With the wind off the starboard beam Y d. With the wind from abaft the beam 93: A lookout can leave his station __________.
Y a. only when properly relieved N b. at the end of the watch N c. 15 minutes before the end of the watch N d. at any time 156: When heading on a course, you put your rudder hard over. The distance traveled parallel to the direction of the original course from where you put your rudder over to any point on the turning circle is known as __________.
Y a. advance N b. head reach N c. tactical diameter N d. transfer 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 276: As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea. In addition to a fore and aft motion, this wake also has a(n) __________.
N a. downward and inward flow N b. downward and outward flow Y c. upward and inward flow N d. upward and outward flow 351: Which certificate is issued by the American Bureau of Shipping?
N a. Certificate of Inspection Y b. Load Line Certificate N c. Safety Equipment Certificate N d. Permit to Proceed for repairs 378: In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
N a. -10°F (-23°C) and +10°F (-12°C) N b. 12°F (-11°C) and 20°F (-7°C) Y c. 28°F (-2°C) and 40°F ( 4°C) N d. 42°F (6°C) and 55°F (13°C) 423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?
N a. None N b. 1 Y c. 2 N d. 3 436: 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. 449: When loading bulk liquid cargo, what is the first action you should take if a cargo valve jammed open?
N a. Call the owner, operator, or terminal supervisor. N b. Unplug the deck scuppers. Y c. Order the dock man to shut down. N d. Run out the vessel's or terminal's fire hose. 478: The moisture equilibrium chart can be used to determine the __________.
N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo 493: What does "end for end" mean in regard to a towing hawser?
N a. To take the kinks out of the hawser N b. To fake it down in figure eights N c. To increase the catenary Y d. To swap ends of the hawser to minimize wear 560: You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true?
Y a. The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space. N b. Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo. N c. The cylinders must have a red label for flammability and a green label for compressed gas. N d. The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them. 572: A vessel is entering port "A" for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y d. Recommend an alternative action and if not followed relieve the Pilot. 629: You are planning to use a crude oil washing system. What precaution must be taken with the source tank for the washing machines?
Y a. At least one meter must be decanted from the source tank. N b. The oil in the source tank must be sampled for compatibility. N c. The source tank must have been crude oil washed at least once in the past 150 days. N d. The inert gas system must lower the oxygen content in the source tank to a maximum of 12%. 635: A report of casualty to a vessel must include __________.
Y a. the name of the owner or agent of the vessel N b. an evaluation of who was at fault N c. the amount of ballast on board N d. the estimated cost of damage 739: Camphor oil is classified as a grade __________.
N a. A N b. C Y c. D N d. E 881: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. completely black out the entry and rewrite Y c. draw a line through the entry, rewrite, and initial N d. draw several lines through the entry and rewrite 889: The owner or Master of a towing vessel must evaluate whether the entire towline, or a part of it, is no longer serviceable. The towline should be removed from service in all cases EXCEPT ___________ .
N a. when recommended by the manufacturer or an authorized classification society N b. in accordance with a replacement schedule Y c. when the vessel is underway N d. depending on the mileage or time that the towline has been in service 904: In order to help protect a natural fiber rope from rotting, the line must be __________.
Y a. dried, and stowed in a place with adequate ventilation N b. stowed in a hot, moist compartment N c. stowed on deck at all times N d. stowed in any compartment 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 956: When a vessel is swinging from side to side off course due to quartering seas, the vessel is __________.
N a. broaching N b. pitchpoling N c. rolling Y d. yawing 964: To coil a left-hand laid rope, you should coil the line in __________.
N a. a clockwise direction only Y b. a counterclockwise direction only N c. an alternating clockwise and counterclockwise direction N d. either a clockwise or a counterclockwise direction 1086: When taking a Pilot from a pilot vessel in a seaway, which way should you head your vessel if the ladder is on the leeward side?
N a. Bow to the sea and no way on your vessel N b. Sea on the lee quarter with ship moving ahead slowly Y c. Sea on the weather bow and ship moving ahead slowly N d. Sea on the quarter with sternway on the ship 1126: You are approaching a pier and intend to use the port anchor to assist in docking port side to. You would NOT use the anchor if __________.
N a. the current was setting you on the pier N b. another vessel is berthed ahead of your position N c. the wind was blowing from the starboard side Y d. there is shallow water enroute to the berth 1135: What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel?
N a. Jacob's ladder N b. Manropes N c. Heaving lines Y d. All of the above 1240: Bilge keels are fitted on ships to __________.
N a. assist in dry dock alignment N b. improve the vessel's stability N c. protect the vessel from slamming against piers Y d. reduce the rolling of the vessel 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. 1354: A 6x19 wire rope would be __________.
N a. 6 inches in diameter and 19 fathoms long N b. 6 inches in circumference with 19 strands Y c. 6 strands with 19 wires in each strand N d. 19 strands with 6 wires in each strand 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1513: Which knot is suitable for hoisting an unconscious person?
N a. Bowline in a bight Y b. French bowline N c. Fisherman's loop N d. Spider hitch 1536: When anchoring, it is a common rule of thumb to use a length of chain __________.
Y a. five to seven times the depth of water N b. seven to ten times the depth of water N c. twice the depth of water N d. twice the depth of water plus the range of tide 1582: Which is an example of failure to exercise due diligence?
Y a. Overloading N b. Sailing short of union manning requirements N c. Sailing with less than 30% reserve fuel oil supply N d. Sailing short of being full and down 1604: Which knot would serve best as a safety sling for a person working over the side?
N a. Bowline on a bight Y b. French bowline N c. Jug sling N d. Lifting hitch 1607: Using a scope of 6, how much cable would have to be used in order to anchor in 24 feet of water?
N a. 4 feet N b. 18 feet N c. 30 feet Y d. 144 feet 1741: The load line regulations are administered by the __________.
Y a. U.S. Coast Guard N b. Maritime Administration N c. Lloyd's Register of Shipping N d. National Cargo Bureau 1751: The load line certificate is issued by __________.
Y a. the American Bureau of Shipping N b. the National Cargo Bureau N c. the United States Coast Guard N d. United States Customs 1800: The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the __________.
N a. bale cubic Y b. gross tonnage N c. light displacement N d. net tonnage 1813: A snatch block would most likely be used as a __________.
N a. boat fall Y b. fairlead N c. riding pawl N d. topping lift 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) 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 2015: During a period of "whiteout", you should expect which of the following?
N a. Snowfall or blowing snow Y b. Lack of ability to estimate distance N c. Harsh contrast between sun-illuminated snow cover and the background N d. Hazy horizons with extensive mirage effects 2019: A man was sighted as he fell overboard. After completing a Williamson turn, the man is not sighted. What type of search should be conducted?
N a. Expanding circle Y b. Sector search N c. Parallel track pattern N d. Datum-drift search 2127: The maneuver which will return your vessel to a person who has fallen overboard in the shortest time is __________.
N a. a Williamson Turn N b. engine(s) crash astern, no turn Y c. a single turn with hard rudder N d. two 180° turns 2233: The knot lettered N as shown is a __________. (DO30DG )
N a. timber hitch N b. rolling bowline Y c. stopper N d. heaving line hitch 2247: The knot lettered M in illustration DO30DG is a __________. (DO30DG )
N a. stopper N b. lashing N c. becket bend Y d. carrick bend 2377: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
N a. If the buoy is afloat, no action is necessary. Y b. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N c. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 2588: Rivets are usually made of __________.
N a. wrought-iron N b. aluminum N c. high-tensile steel Y d. mild steel 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 2761: A short ton is a unit of weight consisting of __________.
N a. 1,000 pounds Y b. 2,000 pounds N c. 2,205 pounds N d. 2,240 pounds 3046: What is an explosion hazard when exposed to flame?
N a. Formic acid N b. Nitrous oxide N c. Tallow Y d. Toluene 3054: The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.
N a. during the passage of a rapidly moving warm front Y b. when strong winds from the Northeast suddenly diminish N c. during the months of May through August N d. when the Moon and Sun are in alignment 3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° 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 3/8 inch N b. 1 1/2 inch Y c. 1 3/4 inch N d. 1 7/8 inch 3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line 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 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4162: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 tons and 20 tons, when carried on Ro-Ro vessels?
N a. One Y b. Two N c. Three N d. None of the above 4251: Which action(s) is/are included in crane operations?
N a. Single-mode set-up & operation N b. Twin-mode set-up & operation N c. Normal boom stowage and shutdown operation Y d. All of the above 4276: During which condition should the operator of a pedestal crane shutdown operations?
N a. Lightning in the vicinity N b. An approaching squall line N c. A fire on the pier Y d. All of the above