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.
2: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.
Y a. give full right rudder N b. give full left rudder N c. put the rudder amidships N d. throw a life ring to mark the spot 108: Damage to cargo caused by dust is known as __________.
Y a. contamination N b. oxidation N c. tainting N d. vaporization 142: What is NOT an advantage of centrifugal pumps over reciprocating pumps?
N a. They pump more cargo in less time. N b. They are smaller for equivalent pumping ability. N c. They are less expensive. Y d. They require priming for stripping. 178: Which can be prevented only by segregating two lots of cargo into separate holds?
N a. Contamination of dry cargo by a wet cargo N b. Contamination of a clean cargo by a dirty cargo Y c. Contamination of a food cargo by an odorous cargo N d. Overcarriage, overstowage, and short landing 201: Your vessel is in a foreign port and you find that one of the crew members has been incarcerated for drunkenness. The Official Logbook shows that the seaman doesn't have funds to cover the costs of the fine. Which action should the Master take?
N a. Inventory his gear and send it and a pay voucher ashore with the agent. N b. Leave the seaman in jail and log him as a fail to join after the vessel sails. N c. Leave the seaman in jail and log him as a deserter after the vessel sails. Y d. Pay the seaman's fine. 307: Which type of chemical testing is NOT required of merchant marine personnel?
N a. Pre-employment N b. Periodic N c. Random Y d. Annual 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 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.
N a. bight Y b. bollard N c. chock N d. camel 498: When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
N a. energize the exhaust blowers N b. energize the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 498: When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
N a. energize the exhaust blowers N b. energize the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 545: Repairing damage to the hull at or above the waterline reduces the threat of __________.
N a. free surface effects N b. capsizing Y c. continued progressive flooding N d. wind heel 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 760: The connection to the towline must be secured with a ____________ .
N a. galvanized screw-pin shackle N b. hardened steel thimble Y c. shackle secured a nut and cotter pin N d. shackle fitted with a swivel piece 791: The oil record book is required to be carried aboard __________.
N a. tankers N b. passenger vessels N c. cargo vessels Y d. All of the above 869: To ensure proper seating when closing a valve on a tank, the valve should be __________.
N a. set up as tight as possible by hand N b. set up tight using a valve wrench Y c. closed, opened a half turn, and then closed N d. closed against the stop and the locking pin inserted 880: The projecting lugs of the rudderpost which furnish support to the rudder are called __________.
N a. bases Y b. gudgeons N c. pintles N d. rudder lugs 883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .
N a. be appropriate to the vessel's horsepower or bollard pull N b. be strong enough to handle any static or dynamic loads expected during its service life Y c. fit any spare wire clips carried on board the vessel for repair purposes N d. be suitable for exposure to the marine environment 885: How many wire clips must be used to make a temporary repair to a tow wire?
N a. 3 N b. 4 Y c. 5 N d. Wire clips are never, under any circumstances, permitted 910: The purpose of sheer in ship construction is to __________.
Y a. allow the ship to ride waves with drier decks N b. eliminate the need for butt straps N c. eliminate the need for margin plates N d. give greater strength at the deck edge 965: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you should first __________.
N a. check the setting of the rudder adjustment N b. check the setting of the weather adjustment Y c. switch to hand steering N d. immediately engage the trick wheel 1007: When using the term "limber system" one is referring to a __________.
N a. cleaning system Y b. drainage system N c. strengthening system N d. weight reduction system 1057: The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?
N a. Application for Inspection N b. Change of Employment Y c. Permit to Proceed N d. Temporary Certificate of Inspection 1157: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" Y b. "Passing 150°" N c. "Checked" N d. "Eased to 5° rudder" 1304: A nylon line is rated at 12,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
N a. 2,000 lbs. Y b. 2,400 lbs. N c. 12,000 lbs. N d. 60,000 lbs. 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. 1374: Which type of stopper should be used to stop off wire rope?
Y a. Chain N b. Manila N c. Polypropylene N d. Wire 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 1539: Electric cargo winches have an overload safety device which normally cuts the current to the winch motor __________.
Y a. after torque causes line pull to exceed the rated capacity of the winch N b. before the line pull reaches the rated capacity of the winch N c. when the line pull reaches the breaking strength of the fall N d. before the safe working load of the fall is reached 1578: A stream of water immediately surrounding a moving vessel's hull, flowing in the same direction as the vessel is known as __________.
N a. directional current N b. forward current N c. propeller current Y d. wake current 1625: All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual's __________.
N a. blood Y b. breath N c. urine N d. All of the above 1634: A monkey fist is found on a __________.
Y a. heaving line N b. lead line N c. manrope N d. mooring line 1788: Which position shown is the most dangerous when tying up? (D019DG )
Y a. I N b. II N c. III N d. IV 1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.
N a. constantly shifting the rudder N b. moving all passengers to one side of the boat Y c. rigging a sea anchor N d. moving all passengers to the stern 1864: Progressive flooding may be indicated by __________.
N a. ballast control alarms N b. excessive draft N c. excessive list or trim Y d. a continual worsening of list or trim 1874: The label required for magnesium scrap is __________.
N a. oxidizer N b. yellow N c. corrosive Y d. None of the above 1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.
Y a. the towing vessel should slip first N b. the vessel towed should slip first N c. they should slip simultaneously N d. either vessel may slip first 2061: A sheave is a __________.
Y a. grooved wheel in a block N b. line to hold a lifeboat next to the embarkation deck N c. partial load of grain N d. seaman's knife 2076: A person who sees someone fall overboard should __________.
N a. immediately jump in the water to assist the individual N b. go to the bridge for the distress flares N c. run to the radio room to send an emergency message Y d. call for help and keep the individual in sight 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 2218: If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.
Y a. mold to develop on commodities N b. malfunction of the refrigeration equipment N c. contamination of the insulation in the space N d. All of the above 2240: What is the mechanical advantage of tackle number 1? (DO29DG )
N a. 0.5 Y b. 1 N c. 1.5 N d. 2 2322: Fittings used for towing must be __________.
N a. Coast Guard approved N b. stamped with maximum working loads Y c. securely fastened N d. positioned exactly at the bow of the towed vessel 2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.
N a. hauling vertically on the line N b. making the line fast to the bitt and bringing the vessel further forward Y c. reversing the angle and direction of pull, with moderate scope N d. increasing the scope and running slowly in a wide circle with the anchor line taut 2551: What welding pattern is NOT used to permanently attach a stiffener to a plate?
N a. Chain intermittent Y b. Tack N c. Continuous N d. Staggered intermittent 2592: The internal volume of a cargo hold measured from the inside faces of the cargo battens, the lower side of the deck beams, and the top of the tank top ceiling is known as the __________.
N a. gross tonnage N b. deadweight space Y c. bale cubic N d. stowage area 2596: A person who sees someone fall overboard should __________.
N a. immediately jump into the water to assist the individual Y b. call for help and keep the individual in sight N c. run to the radio room to send an emergency message N d. go to the bridge for the distress flares 2910: Your vessel is a single-screw ship with a right-hand propeller. There is no current. The easiest way to make a landing is __________.
Y a. port side to N b. starboard side to N c. dropping anchor and swinging the ship in to the pier N d. either port or starboard side to, with no difference in degree of difficulty 2935: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?
N a. R (ROUTINE) N b. P (PRIORITY) Y c. O (IMMEDIATE) N d. Z (FLASH) 2994: Nearly half of all storms that enter the Great Lakes Basin during the period from October through May come from __________.
N a. highs which originate in the east and east central USA N b. lows which originate in north central and western Canada N c. highs which originate in north eastern and eastern Canada Y d. lows which originate in the central and western USA 3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?
N a. "I am going ahead; follow me." N b. "You should stop your vessel instantly." Y c. "Icebreaker support is now commencing." N d. "Icebreaker support is finished." 3396: A tow that veers to the side on the end of the towline is said to __________.
Y a. yaw N b. surge N c. sway N d. swing 3396: A tow that veers to the side on the end of the towline is said to __________.
Y a. yaw N b. surge N c. sway N d. swing 3590: When steering a vessel, a good helmsman does NOT __________.
Y a. use as much rudder as possible to maintain course N b. consider steering a vessel a highly responsible job N c. use as little rudder as possible to maintain course N d. advise his relief of the course being steered 4029: Which statement is TRUE concerning toluene?
N a. Its Reid Vapor Pressure is 9.4. N b. The boiling point is 174°F. Y c. It is an aromatic hydrocarbon. N d. It is classified as a grade A flammable liquid. 4091: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow Y b. center of gravity N c. centerline N d. bridge 4175: Which of the following is NOT necessary, prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds. N b. Lower the stern ramp. Y c. Turn on the red cargo light. N d. Raise/open the stern door. 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All of the above 4247: Which of the following statements is TRUE regarding crane operations?
N a. Radio communications allow the crane operator to disregard the use of hand signals. Y b. The crane operators and signalman must be familiar with the correct hand signals. N c. The forward cranes can be operated from the bridge. N d. The aft cranes can be operated from the aft steering station. 4378: Which statement concerning an automatic towing engine is FALSE?
N a. It automatically maintains tow line tension. N b. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in. Y c. As tension on the hawser increases, more line is taken in by the automatic towing engine. N d. As tension on the hawser decreases, more line is taken in by the automatic towing engine.