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.
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 121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Able Seamen are not required in the deck crew. N b. Sailors may stand watch for 6 hours on and 6 hours off. N c. A licensed Chief Engineer is required. Y d. All crew members must have Merchant Mariner's Documents. 155: You are transporting dangerous cargo on your vessel. You must inspect this cargo __________.
Y a. daily N b. daily, at sea only N c. after encountering rough weather N d. after loading and prior to arrival in port only 218: What is the main purpose of dunnage?
N a. To act as ballast for light vessels Y b. To provide ventilation and drainage for cargo N c. To secure the tarpaulins in place N d. To support weakened bulkheads 236: As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as __________.
N a. advance Y b. cavitation N c. edging N d. slip 243: A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?
N a. Length of the towline Y b. Height of the towline connection N c. Longitudinal position of the towline connection N d. Direction of opposing force 303: What requires a Report of Marine Accident, Injury or Death?
N a. Collision with a bridge N b. Injury beyond first aid N c. loss of life Y d. All of the above 314: "Avast" means __________.
N a. let go N b. pull N c. slack off Y d. stop 431: Official proof of an American vessel's nationality is contained in the __________.
N a. Certificate of Inspection N b. Official Log Y c. Certificate of Documentation N d. Shipping Articles 468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.
N a. air temperature is higher than the temperature of the cargo N b. air temperature is lower than the temperature of the cargo Y c. dew point is higher than the temperature of the cargo N d. dew point is lower than the temperature of the cargo 511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.
N a. enrollment N b. license Y c. registry N d. sea letter 569: In order to reduce the accumulation of static electricity while loading petroleum products, you should __________.
N a. start to load at maximum pressure Y b. start to load slowly N c. increase the air flow into the tank N d. use the overall method of loading only 581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
N a. Amylene N b. Diisobutyl Phthalate N c. Oleic acid Y d. Vinyl acetate 607: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
Y a. scissor wire N b. towing wire N c. breast wire N d. cross wire 612: When backing down with sternway, the pivot point of a vessel is __________.
N a. at the bow N b. about one-third of the vessel's length from the bow N c. aft of the propellers Y d. about one-quarter of the vessel's length from the stern 722: A tow can override its tug as a result of __________.
N a. a mechanical breakdown on the tug N b. adverse tidal current conditions N c. the tug reducing its speed Y d. All of the above 809: Which pump must always be primed?
Y a. Centrifugal pump N b. Reciprocating pump N c. Rotary pump N d. All of the above 849: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. gate valve N b. butterfly valve N c. globe valve Y d. check valve 895: Which factor would NOT lead to removing a towline from service?
N a. An excessive number of miles of towing service. N b. Failing a tensile strength test that proved the towline was no longer appropriate for expected sea conditions. Y c. When heavy grease on the towline saturates the core of the wire rope. N d. Its surface condition is noted, including its corrosion and discoloration. 921: Which item must be entered in the official log?
N a. All engine orders Y b. Drafts upon leaving port N c. Names of night mates and engineers N d. Number of cargo gangs on board 1029: When cleaning a tank by the Butterworth process, you should begin to pump out the slops __________.
N a. at the end of the drop schedule Y b. when the process is started N c. when the process is finished N d. when the tank is clean 1232: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. check that the wheel is firmly connected to the shaft N b. signal the engineroom to "Standby the Engines" N c. set the "Mode" switch to "Auto" and steer by auto-pilot Y d. switch to the other steering pump 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 1266: You are docking a vessel in a slip which has its entrance athwart the tide. You land the ship across the end of the pier, stemming the tide, preparatory to breaking the ship around the corner. You have one tug to assist. Where would you generally tie up the tug?
N a. Have her on a hawser from the stern. N b. Tie her up on the inshore bow to hold the ship off the end. Y c. Tie her up on the offshore bow. N d. Tie her up on the inshore quarter to lift the stern. 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. 1350: A deck beam does NOT __________.
N a. act as a beam to support vertical deck loads Y b. lessen the longitudinal stiffness of the vessel N c. act as a tie to keep the sides of the ship in place N d. act as a web to prevent plate wrinkling due to twisting action on the vessel 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1570: What is NOT an advantage of ship construction methods using welded butt joints in the shell plating?
N a. Keeps practically 100% of tensile strength at the joints N b. Reduces frictional resistance Y c. Reduces plate stress N d. Reduces weight 1618: A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel __________.
N a. permits the rudder to move faster N b. generates more power Y c. can turn without using her rudder N d. can suck the water away from the rudder 1700: Which letter designates the bilge strake of the vessel? (D001DG )
N a. A N b. B N c. C Y d. D 1728: You are trying to rescue survivors from a wrecked vessel on fire. You should approach __________.
N a. to leeward of the wrecked vessel N b. at a speed of at most one-half that of the wrecked vessel N c. at a speed of at least that of the wrecked vessel Y d. to windward of the wrecked vessel 1936: A "gypsy" or "gypsyhead" is a __________.
N a. punt used for painting over the side N b. small, reciprocating steam engine Y c. spool-shaped drum fitted on a winch N d. swinging derrick 1957: The strake of shell plating indicated by letter H is known as the __________. (D033DG )
N a. sheer strake N b. outboard keel plate Y c. garboard strake N d. bilge strake 1972: Payment of penalty for a ship's delay after the expiration of lay days due to some fault of the charterer or his agent is known as __________.
Y a. demurrage N b. late fee N c. miscibility N d. volatility 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2023: A mooring line leading at nearly right angles to the keel is a __________.
N a. spring line N b. bow line N c. stern line Y d. breast line 2108: You are the Master signing on a crew. In completing the articles, who should sign in the various places indicated for the Shipping Commissioner's signature?
N a. After sign on, the articles are presented at the nearest Marine Inspection/Safety Office for signature. N b. The space is left blank. N c. A marine notary public must sign after sign on is complete. Y d. The Master. 2157: You are in a fresh water port loading logs with gear rated at 5 tons, and suspect the weight of the logs exceeds the SWL of the gear. The logs are floating in the water alongside the vessel and have 95% of their volume submerged. The average length of the logs is 15 feet and the average diameter is 4.4 feet. What is the nearest average weight of the logs, based on these average measurements?
N a. 5.5 tons Y b. 6.0 tons N c. 7.7 tons N d. 24.1 tons 2236: Another name for the garboard strake is the __________.
Y a. A strake N b. Z strake N c. side keel plate N d. stringer plate 2254: You are using tackle number 4 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 10. What is the mechanical advantage of this rig? (D029DG )
N a. 4 N b. 5 N c. 9 Y d. 20 2270: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 10 minutes if possible N b. 1 to 6 hours N c. 30 minutes to 1 hour Y d. 3 hours to start of business the following day 2281: Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?
N a. Continue backing to scour out the bottom. N b. Wait for high tide and then try backing. Y c. Flood empty tanks to increase bottom pressure and prevent inshore creep. N d. Shift weight aft to reduce the forward draft. 2387: What is the area of a circle with a diameter of 2 feet after a sector of 60° has been removed?
N a. 0.25 square ft. N b. 0.52 square ft. N c. 2.09 square ft. Y d. 2.62 square ft. 2484: The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a __________.
N a. grip joint N b. strap joint N c. thread joint Y d. lap joint 2546: The dangerous cargo manifest does NOT indicate __________.
N a. the stowage location of hazardous material aboard the vessel N b. a description of the packaging (drums, boxes, etc.) N c. UN identification numbers Y d. the net weight of each hazardous cargo 2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?
N a. If a Mate deems it necessary for ship's maintenance Y b. At the discretion of the Master, for reasonable purposes N c. On the authority of the Bosun N d. The hatch may never be uncovered 2581: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
Y a. It pulls the stern toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. N d. It pulls the bow toward the bank. 2595: Yawing can be described as __________.
N a. jumping on the towline as the tow pitches N b. jumping on the towline as the tow slams into waves Y c. veering from side to side on the end of the towline N d. corkscrew motion of the tow due to wave action 2798: The primary purpose of the stud is to prevent the anchor chain from __________.
Y a. kinking N b. distorting N c. elongating N d. breaking 3112: A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is __________.
N a. from the ship's propeller when making up aft N b. from being overrun if making up forward N c. hull damage while alongside passing a hawser Y d. getting in a tripping position 3166: 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 must always take the seaman. N b. He is required to accept the seaman only if the seaman is medically unfit. Y c. He may refuse the seaman if the seaman has a contagious disease. N d. He may refuse to take the seaman if he is being held by shore authorities. 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 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 4050: You are on a 120,000 DWT loaded bulk carrier. When anchoring without the aid of tugs, your maximum speed should not exceed how many feet per second?
Y a. 0.5 (0.3 knot) N b. 1.0 (0.6 knot) N c. 1.3 (0.8 knot) N d. 1.75 (1.0 knot) 4121: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. rolling N b. pitching N c. heaving Y d. All of the above 4133: What is used when securing light vehicles aboard Ro-Ro vessels?
N a. Chain lever or turnbuckle N b. Chain N c. Wire Y d. None of these 4178: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
Y a. Lower the stern ramp, raise/open the stern door, 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 N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 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 4257: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. A slew drive system provides for rotation of each crane. N b. An independent slew drive system rotates the turntable. N c. Each crane is supplied with luff, hoist, and slew functions for crane load handling. Y d. All of the above