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.
82: Floors aboard ship are __________.
N a. also called decks Y b. vertical transverse plates connecting the vertical keel with the margin plates N c. large beams fitted in various parts of the vessel for additional strength N d. found in passenger and berthing spaces only 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 154: A look-out at the bow sights an object on your port side. How many bell strokes should he sound?
N a. One Y b. Two N c. Three N d. Four 213: You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in docking. The amount of chain you should pay out is __________.
N a. 5 to 7 times the depth of the water Y b. 1 1/2 to 2 times the depth of the water N c. equal to the depth of the water N d. you should NEVER use the anchor to help in docking 257: The distance between the surface of the liquid and the tank top in a cargo tank is called __________.
N a. thievage N b. innage Y c. ullage N d. tankage 453: What purpose does a tow hook serve?
Y a. To quickly connect or release the towing hawser N b. To help pick up the towing hawser from the water N c. To prevent the towing hawser from fouling the propeller N d. To recover the towing hawser from a barge 622: A predictable result of a vessel nearing a bank or edge of a channel is that the __________.
Y a. stern is drawn to the bank as the bow sheers off N b. bow sheers toward the bank N c. vessel continues in a straight line, but with greatly reduced maneuverability N d. vessel will be drawn bodily into the bank unless the engines are stopped 649: Before a tank is to be crude oil washed, the oxygen content in the tank must be measured at a position __________.
N a. immediately above the level of the oil N b. at the top of the tank N c. in the vent riser Y d. one meter from the deck 707: Is tripping limited to harbor and coastal towing?
Y a. No! Forces tending to capsize a tug are as dangerous on the high seas as they are in harbor and coastal work. N b. Yes! The long towing hawser used in ocean towing eliminates the danger of tripping. N c. No! Tripping is common in ocean towing because of more frequent maneuvering N d. Yes! Because of increased water depths, forces required to capsize a tug are not usually found in ocean towing 762: A towing winch, that handles a wire towline, must have all of the following EXCEPT a ____________ .
N a. device that evenly spools and tightly winds the towline N b. brake with holding power appropriate for the vessel's horsepower or bollard pull N c. brake that can be operated when there is no power available to drive the winch Y d. source of emergency power to operate the winch 796: When you enter shallow water, you would expect your rudder response to __________.
Y a. be sluggish and your speed to decrease N b. be sluggish and your speed to increase N c. improve and your speed to decrease N d. improve and your speed to increase 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 990: Freeboard is measured from the upper edge of the __________.
N a. bulwark Y b. deck line N c. gunwale bar N d. sheer strake 1031: Which certificate is NOT issued by the Coast Guard?
N a. Award of official number N b. Certificate of Inspection Y c. Classification of Hull and Machinery N d. Safety Equipment Certificate 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1151: The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is __________.
Y a. ad valorem N b. infinite N c. secure N d. specific 1161: The document that the Master uses to attest to the truth of the manifest of cargo is called __________.
N a. Master's Protest Y b. Oath of Entry N c. Owner's Oath N d. Shipper's Certification 1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 1234: Which type of line will stretch the most when under strain?
N a. Polypropylene N b. Dacron Y c. Nylon N d. Manila 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1298: A Master should file a marine note of protest if __________.
N a. cargo was received at ship side which was damaged in land transit N b. longshore labor went on strike in the port causing undue vessel delay N c. portions of his vessel's cargo were illegally impounded in a foreign port Y d. the vessel encountered heavy weather which might have caused cargo damage 1313: Where should a vessel being towed alongside be positioned for increased maneuverability?
N a. Stern of the towed vessel aft of the stern of the towing vessel N b. Stern of the towed vessel even with the stern of the towing vessel Y c. Stern of the towed vessel forward of the stern of the towing vessel N d. Bow of the towed vessel even with the bow of the towing vessel 1326: After casting off moorings at a mooring buoy in calm weather, you should __________.
N a. go full ahead on the engine(s) Y b. back away a few lengths to clear the buoy and then go ahead on the engines N c. go half ahead on the engines and put the rudder hard right N d. go half ahead on the engines and pass upstream of the buoy 1330: Beams are cambered to __________.
N a. increase their strength Y b. provide drainage from the decks N c. relieve deck stress N d. All of the above 1344: When working with wire rope, which must be considered?
N a. Metal sheaves should be lined with wood or leather. Y b. It needs better care than hemp or manila. N c. It should be lubricated annually. N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope. 1355: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 6 OKTAs concentration?
N a. 6% N b. 50% N c. 60% Y d. 75% 1446: The marking on an anchor chain for 30 fathoms is __________.
Y a. two links on each side of the 30 fathom detachable link are painted white N b. one link on each side of the 30 fathom detachable link is painted white N c. three links on each side of the 30 fathom detachable link are painted white N d. only the detachable link is painted red 1498: The biggest problem you generally encounter while towing a single tow astern is __________.
N a. the catenary dragging on the bottom N b. swamping of the tow N c. the tow tending to dive Y d. yaw 1771: The agency which assigns load lines and issues Load Line Certificates is the __________.
Y a. American Bureau of Shipping N b. Secretary of Commerce N c. U.S. Customs N d. U.S. Coast Guard 1804: Instead of whipping an end of a line, a temporary means of preventing the line from unraveling is to tie a __________.
N a. becket bend N b. blackwall hitch Y c. figure-eight knot N d. square knot 1821: While towing, what is the principal danger in attempting to swing a barge on a short hawser in order to slow the barge's speed?
N a. The barge may capsize from the sharp turn. Y b. The barge may swing too quickly and run over the tug. N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?
N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water. N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock. N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained. Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water. 1998: When towing in an open seaway, it is important to use a towing line __________.
N a. made only of wire rope, due to possible weather conditions N b. that will have the tow on a crest while your vessel is in a trough Y c. that will have the tow on a crest while your vessel is on a crest N d. with little dip to gain maximum control of the tow 2026: After a seaman is discharged, at the end of the voyage, the final payment of wages due must be made, whichever is earliest, either within 24 hours after the cargo has been discharged, or __________.
Y a. within 4 days after the seaman's discharge N b. prior to the vessel's departure on the next voyage N c. prior to loading any out-bound cargo N d. prior to any change of Master 2048: The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to __________.
N a. one-half the SWL of the main towing hawser N b. three-fourths the SWL of the main towing hawser Y c. that of the main towing hawser N d. twice that of the main towing hawser 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )
N a. 2 N b. 4 Y c. 5 N d. 5.5 2224: When improperly tied, which knot shown is called a granny or thief's knot? (D030DG )
N a. F N b. M N c. R Y d. W 2279: In plugging submerged holes; rags, wedges, and other materials should be used in conjunction with plugs to __________.
N a. reduce the water pressure on the hull N b. reduce the possibility of stress fractures N c. prevent progressive flooding Y d. reduce the water leaking around the plugs 2293: As defined in the regulations governing marine casualties a "marine employer" may be the __________.
N a. owner N b. agent N c. Master Y d. All of the above 2351: What is the area of a circle with a diameter of 12 feet after a sector of 86° has been removed?
N a. 108.57 square ft. Y b. 86.08 square ft. N c. 28.65 square ft. N d. 27.14 square ft. 2393: Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.
N a. 285.6 lbs. N b. 329.7 lbs. N c. 591.2 lbs. Y d. 768.8 lbs. 2510: Mooring lines should be turned end-for-end occasionally. This is because __________.
N a. a line is weakened by constantly pulling on it in one direction Y b. normal wear on the line is thus distributed to different areas N c. it prevents the line from kinking or unlaying N d. it prevents permanent misalignment of the line's internal strands 2528: Which entry on a dangerous cargo manifest concerning the classification of a cargo is correct?
Y a. Class 8 N b. Class 3 - flammable liquid N c. Division 2.2 - nonflammable gas N d. All of the above are correct 2632: The horizontal flat surfaces where the upper stock joins the rudder are the __________.
N a. rudder keys Y b. rudder palms N c. lifting flanges N d. shoes of the rudder 2684: Which statement about bilge keels is CORRECT?
N a. They are critical strength members and require careful design consideration. Y b. They increase resistance to rolling. N c. They attach to a low stress area. N d. They provide support when the vessel is dry docked. 2712: Which two Great Lakes are considered hydraulically as one?
N a. Lakes Superior - Huron Y b. Lakes Michigan - Huron N c. Lakes Erie - St. Clair N d. Lakes Erie - Ontario 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2940: A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the __________.
N a. vessel's horsepower N b. sea state N c. number of propellers Y d. vessel's displacement 3010: The piping that routes an oil cargo from the manifold directly to a cargo tank and serves only one tank is known as a __________.
N a. cargo fill N b. filler line Y c. tank drop N d. branch line 3032: Ice is often strong enough to halt navigation through the St. Lawrence Seaway by mid- __________.
N a. October N b. November Y c. December N d. January 3146: How should you signal the crane operator to use the main hoist?
N a. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal. N b. Extend arm with the thumb pointing up and flex the fingers in and out for as long as the load movement is desired. N c. First tap your elbow with one hand, and then proceed to use regular signals. Y d. First tap the top of your head with your fist, and then proceed to use regular signals. 3242: What term indicates the line drawn at the top of the flat plate keel?
Y a. Base line N b. Molded line N c. Designer's waterline N d. Keel line 3280: What is NOT accepted as the required shipping papers on a manned and loaded tank barge?
N a. Bill of Lading N b. Manifest N c. Shipping document Y d. Logbook entry 3350: It is not advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too expensive for everyday towing usage N c. binds on the cleats N d. parts too readily 4144: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever N b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Ratchet tensioner 4171: While loading or discharging vehicles, which is the most important safety consideration aboard a Ro-Ro vessel?
Y a. Preventing the asphyxiation of personnel below decks N b. Notifying the engine room prior to completing operations N c. Calling out the deck department for all hands periodically N d. Ensuring that a fuel barge cannot come alongside 4177: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp Y c. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block