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.
45: Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?
Y a. Squatting N b. Smelling the bottom N c. Sinkage N d. Bank cushion 116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 170: Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
N a. A copy of 46 CFR parts 35 and 150 Y b. Certificate of Adequacy for the hazardous cargoes carried N c. Certificate of Inspection issued under the Tank Vessel Regulations N d. Cargo piping plan showing loading rates for all applicable cargo lines 254: "Ease the rudder" means to __________.
N a. move the rudder slowly in the direction of the most recent rudder command N b. bring the rudder amidships Y c. decrease the rudder angle N d. steer the course which is your present heading 262: Mousing a cargo hook with marline or small line __________.
N a. increases the lifting capacity of the hook N b. protects the hook from the sling ring Y c. prevents the sling ring from coming out of the hook N d. All of the above 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 380: The (auto)ignition temperature is that temperature at which_______.
Y a. no spark or flame is required to ignite gas or vapor N b. a fuel begins to give off explosive vapors N c. a fuel if ignited will continue to burn N d. a 1% mixture of the fuel with air will explode 512: When paying out nylon line from around the bitts __________.
Y a. stand clear of the bitts and use two or more round turns under your figure eights N b. you can surge the line even with a single turn N c. no extra turns are necessary since nylon has a high coefficient of friction N d. stand in the bight of the line 634: The "iron mike" is a(n) __________.
N a. pilot N b. speaker N c. standby wheel Y d. automatic pilot 783: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ___________ .
N a. evaluate the danger of each closing visual or radar contact N b. adjust speed with due regard for the weather and visibility Y c. reduce speed only where local speed limits are posted N d. enter all required test and inspection results in the vessel's log or other record carried on board 901: What is required to be entered into the Official Logbook?
Y a. Opening a sideport at sea to renew a gasket N b. The annual required stripping and cleaning of the lifeboats N c. The biennial weight test of the lifeboats and falls N d. The drafts on entering port 936: A precaution you should take before bunkering is to __________
N a. plug the vents N b. plug the sounding pipes Y c. plug the scuppers N d. close the lids on the vents 1015: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference to determine the sagging numeral. (Get Table Data)
N a. 71.07 numeral N b. 74.95 numeral N c. 77.56 numeral Y d. 78.29 numeral 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 1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.
Y a. for that sailor to feed the hauling part through a bosun's chair hitch N b. to lead the hauling part to a cleat on the mast and slacking the sailor down N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight 1074: A new coil of nylon line should be opened by __________.
N a. pulling the end up through the eye of the coil N b. taking a strain on both ends N c. uncoiling from the outside with the coil standing on end Y d. unreeling from a spool 1168: A vessel has completed loading cargo in the port of San Francisco. What document is signed by the Master stating the terms that goods were delivered and received by the ship?
N a. Bill of Goods Y b. Bill of Lading N c. Cargo Manifest N d. Cargo Receipt 1247: You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Your first action should be to __________.
Y a. countermand the order and immediately notify the Master N b. make an appropriate entry in the deck log concerning the Pilot's order N c. immediately call the Master and await further orders from him N d. immediately sound a short ring on the general alarm 1261: A vessel operating "in class" has met all the requirements of the __________.
Y a. ABS or similar society N b. insurance company N c. U.S. Coast Guard N d. U.S. Customs 1314: A wire rope rove through two single blocks with two parts at the moving block is used for a boat fall. The weight of the 100-person boat is 5 tons. Compute the required breaking strain. Safety Factor - 6, weight per person - 165 lbs., 10% friction per sheave (2 sheaves).
N a. 18.30 tons B.S. N b. 20.29 tons B.S. Y c. 22.27 tons B.S. N d. 24.31 tons B.S. 1340: The usual depth of a beam bracket is __________.
Y a. 2 1/2 times the depth of the beam N b. 5 times the depth of the beam N c. 10 times the depth of the beam N d. same depth as the beam 1451: The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are) __________.
N a. that the cargo be discharged from the vessel with customary dispatch N b. that the voyage be commenced in a reasonable time N c. that the voyage be pursued over the usual and direct route Y d. All of the above 1510: The type of welding employed in shipyards is primarily __________.
N a. brazing Y b. electric arc N c. pressure welding N d. thermite welding 1559: It is permissible to place an eye splice in wire rope used as cargo gear providing the splice is made using __________.
N a. two tucks with whole strands and one tuck with one-half strand Y b. three tucks with whole strands and two tucks with 1/2 the wire cut from the tucking strand N c. three tucks with whole strands N d. two tucks with whole strands and three tucks with half strands 1675: What is the name of the mark indicated by the letter D? (D003DG )
Y a. Tropical load line N b. Summer load line N c. Fresh load line N d. Winter load line 1708: For the purpose of regulating tank vessels, flammable liquids are liquids which will __________.
Y a. give off flammable vapors at or below 80°F (27°C) N b. have a Reid vapor pressure of 18 pounds or more N c. give off flammable vapors only above 80°F (27°C) N d. sustain combustion at a temperature at or below 100°F (38°C) 1734: Which knot reduces the strength of a line by the LEAST amount?
N a. Bowline N b. Clove hitch N c. Sheet bend Y d. Two half hitches 1740: The group of markings shown is called a __________. (D003DG )
N a. loft mark Y b. load line mark N c. test mark N d. water mark 1748: An Official Logbook is required on which vessel?
N a. A 150-G.T. tug going from Boston to New Orleans. Y b. A 100-G.T. tug going from New York to San Pedro, California. N c. A 50-G.T. tug going from Miami to Seattle. N d. A 199-G.T. tug on a coastwise trip of 650 miles. 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1776: When anchoring in calm water, it is best to __________.
N a. maintain slight headway when letting go the anchor N b. wait until the vessel is dead in the water before letting go the anchor Y c. have slight sternway on the vessel while letting go the anchor N d. let the anchor go from the stern with the anchor cable leading from the bow 1792: What is the name of the mark indicated by the letter F? (D003DG )
N a. Fresh water load line N b. Summer load line Y c. Winter load line N d. Tropical load line 1811: You are towing a large barge on a hawser. Your main engine suddenly fails. What is the greatest danger?
N a. The tug and the tow will go aground. N b. The tow will endanger other traffic. Y c. The tow will overrun tug. N d. The tow will block the channel. 1852: What is normally used to pass a mooring line to a dock?
N a. Distance line N b. Gantline Y c. Heaving line N d. Tag line 1863: If a mooring line should part while you are tying up at a dock, you should make a temporary eye by tying a __________.
N a. becket bend N b. clove hitch Y c. bowline N d. square knot 2033: A spring line leads __________.
Y a. fore and aft from the ship's side N b. to the dock at a right angle to the vessel N c. through the bull nose or chock at the bow N d. through the chock at the stern 2062: The vessel shown has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines? (DO25DG )
N a. A N b. B N c. C Y d. D 2129: The exact and complete identification of all cargo on board must be found on the __________.
Y a. Cargo Manifest N b. Mate's Receipt N c. Hatch Report N d. Loading List 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 2361: The BEST information on the nature and extent of damage to the vessel is obtained from __________.
N a. alarms and monitoring devices N b. the engineroom watch Y c. personnel at the scene of the damage N d. the bridge watch 2547: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 30 minutes to 1 hour N c. 1 to 6 hours N d. 10 minutes if possible 2709: A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by __________.
Y a. displaying code letter "Y" (Yankee) N b. sounding five short blasts on his whistle N c. displaying code numeral "5" N d. sounding one prolonged blast on his whistle 2802: The single line located directly above the diamond is the __________. (D031DG )
N a. load line N b. water line N c. freeboard line Y d. deck line 2822: Which statement about stopping a vessel is TRUE?
N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern. N b. A vessel is dead in the water when the back wash from astern operation reaches the bow. N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance. Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current. 2888: The Coordinator Surface Search in a SAR situation should display by day __________.
Y a. the code flags FR N b. a black ball over a black diamond shape N c. code flag Quebec over a black ball N d. two black diamond shapes in a vertical line 3028: The term "inland waters", as defined in the Rules of the Road, includes __________.
N a. the Great Lakes in their entirety Y b. the Mississippi River System N c. U.S. waters out to three miles offshore N d. the St. Lawrence River to Anticosti Island 3060: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise adjustment of cargo flow N b. Faster rate of cargo flow Y c. Easier operation N d. Less chance of leaks 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3145: 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. N b. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. Y d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. 3210: A licensed Master of Towing Vessels may NOT serve as the person in charge of which towing vessel?
N a. 99 GRT towing vessel operating on Chesapeake Bay N b. 199 GRT towing vessel operating in the Gulf of Alaska N c. 500 GRT towboat operating on the Western Rivers Y d. 349 GRT towing vessel operating between Florida and Puerto Rico 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 3489: You are lifting a 5-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 inch N b. 1 3/8 inch N c. 1 1/2 inch Y d. 1 7/8 inch 3491: You are the licensed Master of a towing vessel operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?
N a. 4 Y b. 3 N c. 2 N d. 1 3684: In towing, heaving lines are used for __________.
N a. passing a tow bridle to the tug Y b. passing a messenger line N c. heaving in the tow bridle N d. service lines with rocket line throwers 3724: What part of the ground tackle is the most likely to develop fractures due to extensive anchor use?
N a. Anchor shank N b. Swivel Y c. Jews' harp N d. Fluke 3790: The locking pin that joins the parts of a detachable link is held in position by __________.
N a. a tack weld N b. the self-locking characteristics of its taper N c. a cotter pin Y d. a lead plug 4106: Which of the following are considered to be "road vehicles" that can be carried on Ro-Ro vessels?
N a. Semi-trailer N b. Road train N c. Articulated road train Y d. All of the above 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 4113: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Lashings may be completed after the vessel leaves port N c. One QMED assigned to oversee the initial loading and lashing N d. All of the above 4252: Which action(s) is/are included in crane operations?
N a. Normal boom stowage and shutdown operations N b. Emergency shutdown operation N c. Removing booms from stowage Y d. All of the above