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.
14: Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this, you should __________.
Y a. install shoring so the shoring supports the damaged bulkheads without pushing on them N b. install shoring so that it pushes on the damaged bulkhead while supporting it N c. use jacks or chain falls to remove the set before installing shores N d. place sandbags by the bulkhead without installing shores 54: Your vessel has grounded on a bar. What should you do?
N a. If you cannot get clear immediately, lighten the ship by pumping all ballast overboard. N b. Run the engine full astern to keep from being set further onto the bar. Y c. Switch to the high suction for condenser circulating water, if it is submerged. N d. All of the above 63: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?
N a. Boatswain's stores N b. Chart room N c. Spaces for the exclusive use of the officers or crew Y d. All of the above 78: Which is an example of cargo damage caused by inherent vice?
N a. Sublimation of chemicals Y b. Heating of grain N c. Stevedore damage N d. Wear and tear 106: In relation to the turning circle of a ship, the term "kick" means the distance __________.
N a. around the circumference of the turning circle N b. gained at right angles to the original course N c. gained in the direction of the original course Y d. or throw of a vessel's stern from her line of advance upon putting the helm hard over 237: The latch of a safety hook __________.
N a. increases the strength of the hook Y b. prevents the sling ring from coming out of the hook if the strain is abruptly eased N c. prevents the sling ring from coming out of the hook if there is a strain on the sling ring N d. All of the above 301: You are signing on a crew. Which person is presenting a Merchant Mariner's Document (MMD) that you should suspect as being invalid?
N a. An AB with an endorsement of "Any unlicensed rating in the deck department including Able Seaman" Y b. A seaman with an MMD only endorsed as "Bosun" N c. A Purser with an MMD only endorsed "See certificate of registry" N d. A Chief Steward with an MMD only endorsed as "Steward's Dept. (FH)" 336: When a vessel with a single right-hand propeller backs to port the __________.
Y a. bow falls off to starboard N b. vessel moves to port without changing heading N c. bow swings to port N d. vessel moves to starboard without changing heading 360: The label required on containers carrying barium oxide in an international shipment must read __________.
Y a. "Poison" N b. "Spontaneously Combustible" N c. "Radioactive" N d. "Infectious Substance" 434: To "belay" a line means to __________.
N a. coil it down N b. heave it taut N c. stow it below Y d. secure it to a cleat 620: You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?
Y a. Open-bed containers may be used to transport hazardous materials if the cargo is properly secured. N b. A portable cargo tank of a flammable, cryogenic liquid may not be in transit for a period exceeding its marked rated holding time unless the liquid is inhibited. N c. A portable cargo tank containing a cryogenic liquid must be shipped on deck unless forced ventilation is provided to the decks-decks. N d. A container loaded with packages of tear gas would display a placard reading "Irritant." 623: When hugging a bank in a narrow channel, you should take precautions against_______________.
N a. bank suction, squat and the effects of vessels passing close aboard N b. clogged sea chests, plugged sea strainers and overheated machinery N c. striking underwater obstructions close to the bank Y d. All of the above 663: While towing astern, if your towing hawser becomes taut it results in __________.
N a. more catenary in the towing hawser Y b. less catenary in the towing hawser N c. more yaw N d. less yaw 663: While towing astern, if your towing hawser becomes taut it results in __________.
N a. more catenary in the towing hawser Y b. less catenary in the towing hawser N c. more yaw N d. less yaw 686: The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?
Y a. It forces the bow away from the bank. N b. It forces the stern away from the bank. N c. It forces the entire vessel away from the bank. N d. It heels the vessel toward the bank. 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 878: You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment?
N a. 577 N b. 602 N c. 654 Y d. 875 1033: Each crewmember has an assigned firefighting station. This assignment is shown on the __________.
N a. fire fighting plan N b. shipping articles N c. Certificate of Inspection Y d. muster list 1066: If your propeller is racing in rough weather, you should __________.
Y a. decrease your engine speed N b. ignore it N c. increase your engine speed N d. stop your engine until the rough weather passes 1112: What is an advantage of the 6X37 class of wire rope over the 6X19 class of wire rope of the same diameter?
Y a. Greater flexibility N b. More resistance to corrosion N c. More resistance to elongation N d. Lower weight per foot 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 1170: Transverse frames are more widely spaced on a ship that is designed with the __________.
N a. centerline system of framing N b. isometric system of framing Y c. longitudinal system of framing N d. transverse system of framing 1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.
N a. lose headway without swinging Y b. turn her bow toward the dock N c. turn her bow away from the dock N d. head into the wind, regardless of the side the wind is on 1202: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises from __________.
N a. an act of war Y b. lack of ventilation in transit N c. perils of the sea N d. an error in navigation 1209: When cargo is being worked using a Burton or married fall system, which part of the cargo gear is most likely to fail?
N a. Boom N b. Gooseneck Y c. Guy tackle N d. Topping lift 1278: The document that establishes the facts of a casualty and is the prima facie relief from liability for the damage is the __________.
N a. adjuster's report N b. insurance policy N c. invoice Y d. Master's protest 1289: What would you use to adjust the height of a cargo boom?
N a. Lizard N b. Spanner guy Y c. Topping lift N d. Working guy 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 1502: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
Y a. 49.73 numeral N b. 52.76 numeral N c. 55.29 numeral N d. 57.93 numeral 1575: The key to rescuing a man overboard is __________.
N a. good communication N b. a dedicated crew N c. good equipment Y d. well-conducted drills 1692: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2206 on it. This indicates that it is carrying what cargo?
Y a. Isocyanates, n.o.s. N b. Propadiene, inhibited N c. Xylenol N d. Hexanols 1872: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours N c. 30 minutes to 1 hour Y d. less than 10 minutes 1898: Back-up wires on a towed vessel provide __________.
N a. a factor of safety N b. additional strength N c. a distribution of the towing load Y d. All of the above 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 1991: Using the graph shown, if the dry bulb temperature is 91°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )
N a. 79% Y b. 85% N c. 91% N d. 98% 2040: The plating indicated by the letter N is known as the __________. (D033DG )
Y a. inner bottom N b. floor riders N c. tank-top rider plating N d. ceiling 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 2081: A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the track-line steamed during the night?
Y a. Williamson N b. Racetrack N c. 180° turn N d. Anderson 2149: When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?
N a. The flukes may dig in unevenly and capsize the anchor when under stress. N b. The flukes may not dig in. Y c. The anchor may get shod with clay and not develop full holding power. N d. The anchor will tend to dig in and come to rest near the vertical. 2159: What is the mechanical advantage of tackle number 9? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2234: Keeping certain cargoes separated because of their inherent characteristics is known as __________.
N a. overstowage Y b. segregation N c. spot loading N d. cargo typing 2354: What is the area of a circle with a diameter of 21 feet after a sector of 72° has been removed?
Y a. 277.09 square ft. N b. 149.43 square ft. N c. 69.27 square ft. N d. 52.78 square ft. 2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?
N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide. Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid. N c. All of these cargoes are compatible. N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide. 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 2617: The operator of an uninspected vessel MUST assist people affected by an accident if he or she can do so without __________.
N a. undue delay Y b. serious danger to his or her own vessel N c. creating a panic on either vessel N d. further damaging the other vessel 2636: When riveted joints occur at the ends of plating they are called __________.
N a. trailers N b. terminals N c. seams Y d. butts 2782: What is a wet cargo?
N a. A liquid cargo carried in the deep tanks Y b. A canned or bottled liquid such as beer N c. A cargo that contains hygroscopic moisture N d. A cargo particularly susceptible to damage by moisture 2785: 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 message?
N a. P (PRIORITY) Y b. R (ROUTINE) N c. O (IMMEDIATE) N d. Z (FLASH) 2896: You are proceeding against the current on a river in the Great Lakes System. You are meeting a downbound vessel. Both vessels are power-driven. The other vessel sounds one short blast. You must __________.
N a. change course to port N b. hold course and speed N c. sound three short blasts Y d. sound one short blast 2996: Advection fog, a common occurrence on the Great Lakes, forms when __________.
N a. air comes in contact with a rapidly cooling land surface N b. frigid arctic air moves across the lakes and becomes saturated Y c. relatively warm air flows over cooler water N d. cool air contacts warm river currents 3130: What is NOT required on an uninspected towing vessel?
N a. Certificate of Documentation Y b. Certificate of Inspection N c. Operators Merchant Marine license N d. FCC Station License 3342: Which term refers to a transverse curvature of the deck?
N a. Deadrise Y b. Camber N c. Freeboard N d. Flare 3654: Horizontal transverse motion of a vessel is known as __________.
N a. pitch N b. surge Y c. sway N d. heave 4012: The purpose of item G is to __________. (D024DG )
N a. distribute the vessel's thrust over a wider area N b. prevent the towboat from capsizing if item I should part Y c. prevent the knee from shifting when the rudder is put hard over N d. keep the barges from shifting fore and aft 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 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 4134: What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Turnbuckle Y c. Webbing N d. Chain 4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Turn on the red cargo light. N b. Turn on pumproom ventilation. N c. Call out the deck department for all hands. Y d. Raise/open the stern door. 4179: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Raise/open stern door, lower the stern ramp, turn on ventilation for cargo holds N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door Y d. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds