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.
112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 235: Which ending is NOT acceptable in a wire rope that is free to rotate when hoisting?
N a. Poured socket Y b. Liverpool eye splice N c. Eye formed with a pressure clamped sleeve N d. Eye formed by clips 258: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?
N a. A flammable gas detection system must be installed in each cargo pump room. Y b. The cargo may be gauged by automatic float type devices. N c. Carriage of this cargo is authorized by issuance of an IMO Certificate. N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo. 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 422: Which method should be used to secure a synthetic fiber line to two bitts?
Y a. Two round turns on the bitt closest to the strain and then figure eights N b. Two round turns on the bitt farthest from the strain and then figure eights N c. Figure eights and then a round turn at the top of both bitts N d. Only figure eights are necessary on both bitts 455: A vessel having continuous closely spaced transverse strength members is __________.
N a. longitudinally framed Y b. transversely framed N c. cellular framed N d. web framed 460: When stowing hazardous materials on deck, lashing of such cargo is permitted if __________.
N a. a wooden bin is constructed of at least 2-inch dunnage and bolted together N b. the cargo is lashed to the adjacent guard rails Y c. the lashings are secured to deck pad eyes N d. there is at least 3 inches of dunnage on deck 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 632: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. Y c. Put the rudder over to the opposite side, the same number of degrees that it is now. N d. Put the rudder amidships and hold the heading steady as she goes. 674: Stuffer-braid rope has __________.
Y a. a yarn core N b. no core N c. three strands N d. 12 threads 704: Laying out a line in successive circles flat on deck with the bitter end in the center is known as __________.
N a. coiling N b. faking Y c. flemishing N d. lining 767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight 792: When the vessel is on coastwise articles, the original certificate of the seaman's certificate of discharge is __________.
Y a. given to the seaman N b. retained on board N c. sent to Commandant, U.S. Coast Guard N d. sent to the shipping company 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 1062: An IOPP Certificate on an inspected vessel is valid for what period of time?
N a. 6 months N b. 12 months N c. 18 months Y d. 5 years 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1227: 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 __________.
Y a. shift the selector switch to the other steering pump N b. signal the engineroom to stop the engines N c. call the engineroom N d. call the Master 1341: The owners of the S.S. Short Haul agree to a charter with the Longsplice Steamship Company. The owners stipulate in the charter party that the regular Master must be employed as the vessel's Master for the entire life of the contract. Which charter has been affected?
N a. Bareboat N b. Lease Y c. Time N d. Voyage 1367: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises out of __________.
N a. poor stowage of cargo in a container N b. fire caused by lightning Y c. overloading N d. inherent vice 1455: Which letter represents a bowline on a bight? (DO30DG )
N a. H Y b. I N c. M N d. W 1456: How many turns of wire normally mark either side of the shackle 45 fathoms from the anchor?
N a. 1 N b. 2 Y c. 3 N d. 4 1590: A thirty pound plate would be __________.
N a. 3/8" thick N b. 1/2" thick Y c. 3/4" thick N d. 1" thick 1644: A rolling hitch can be used to __________.
N a. make a temporary eye N b. mouse a hook Y c. secure a line around a spar N d. shorten a line 1704: Whipping the bitter end of a fiber rope __________.
N a. increases the circumference of the rope N b. makes for easier handling Y c. prevents fraying of the bitter end N d. prevents moisture from entering the bitter end 1732: Which picture in illustration D030DG represents a half hitch? (D030DG )
Y a. U N b. S N c. K N d. H 1903: When securing a manila line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?
N a. None Y b. 1 N c. 2 N d. 3 2127: The maneuver which will return your vessel to a person who has fallen overboard in the shortest time is __________.
N a. a Williamson Turn N b. engine(s) crash astern, no turn Y c. a single turn with hard rudder N d. two 180° turns 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 2239: You are using tackle number 3 to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
Y a. 52 lbs. N b. 49 lbs. N c. 40 lbs. N d. 27 lbs. 2246: Cargoes that might leak from containers are known as __________.
N a. dirty cargoes N b. caustic cargoes Y c. wet cargoes N d. bulk cargoes 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. 2459: Tripping defects in anchors frequently occur in __________.
N a. deep water N b. shallow water N c. stiff soils Y d. soft soils 2506: A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the __________.
N a. main string Y b. push string N c. power string N d. face string 2567: When relieving the helm, the new helmsman should know the __________.
N a. variation N b. gyro error Y c. course per magnetic steering compass N d. maximum rudder angle previously used 2607: Which statement is TRUE concerning lifeboat installations on Great Lakes vessels?
N a. All davit installations shall have 3 lifelines fitted to a davit span. N b. All vessels over 3,000 gross tons must be fitted with gravity davits. Y c. All lifelines shall be able to reach the water at the vessel's lightest draft with a 20° list. N d. All of the above 2616: You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters, fuel barges, etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?
N a. No credentials are required since you operate on inland waters only N b. Social Security card N c. State driver's license with photo ID Y d. Merchant Mariner's Document 2704: The legs of a tow bridle are joined together with a __________.
N a. bridle plate N b. shackle Y c. fishplate N d. tri-link 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 2754: Which statement is TRUE concerning vessels over 1600 gross tons certificated for service solely on the Great Lakes?
N a. They must have magnetic compasses. N b. They must have gyro compasses. Y c. They must carry a deep-sea hand lead. N d. All of the above statements are TRUE. 2769: You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with the code word __________.
Y a. MERWARN N b. NUCLEAR N c. FALLOUT N d. FALLWARN 2872: The Sheer Plan __________.
Y a. shows a longitudinal side elevation N b. is an endwise view of the ship's molded form N c. is usually drawn for the port side only N d. has the forebody to the right of centerline and afterbody to the left of centerline 2942: How should you signal the crane operator to move slowly?
Y 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. N d. First tap the top of your head with your fist and then proceed to use regular signals. 2960: When cutting wire rope, seizings are put on each side of the cut. The seizings prevent the wire from unlaying and also __________.
Y a. maintain the original balance of the tension in the wires and strands N b. prevent moisture from entering between the wires at the cut end N c. forces lubricant from the core to protect the raw, cut end N d. All of the above 3110: The number or name of a tank barge shall be __________.
N a. displayed in at least 4 different positions on the barge N b. carved on a wooden board and attached to the barge's hull N c. displayed as close to the navigation lights as possible Y d. displayed at the highest point of the barge's hull such that it can be seen from either side 3180: A license issued by the U.S. Coast Guard for Master of Towing Vessels is valid for __________.
N a. 2 years and must be renewed N b. 3 years and must be renewed Y c. 5 years and must be renewed N d. life and need not be renewed 3326: The signal man assisting the crane operator uses one hand to give any motion signal and places the other hand motionless in front of the hand giving the motion signal. This is the signal to __________.
Y a. move slowly N b. increase speed N c. proceed with caution N d. stop 3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line 3390: When towing, a tow hook is used to __________.
Y a. provide quick release of the hawser N b. pull a tow alongside N c. attach a hawser to a tow which has no bitts or pad eyes N d. join two hawsers for lengthening a tow 3438: One advantage of chain over wire rope for a tow bridle is that chain __________.
N a. is better suited for inland towing Y b. resists damage from chafing N c. handles more easily N d. equalizes towing forces better 3588: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud N c. sand Y d. rock 3691: On the cargo manifest, the gross weight of a box containing cargo is the weight of the __________.
N a. cargo N b. box Y c. cargo and box N d. rate weight 3712: When should a crane boom-up so high that the boom hits the stops?
N a. Only if the load has not exceeded the limit at that angle N b. Only if the load contains non-hazardous materials N c. Only if necessary to perform a given lift Y d. Never 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
Y a. 4 shots N b. 5 shots N c. 6 shots N d. 7 shots 4112: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. One engineer officer assigned to oversee the initial loading and lashing N b. Cargo lashings may be removed at sea for maintenance Y c. Periodic inspection and retensioning of lashings during the voyage N d. All of the above 4141: What is/are the advantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels?
N a. Good working life N b. Light and easy to handle N c. Flexible Y d. All of the above 4154: What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel?
N a. That all fuel is drained from the vehicles' tanks to prevent fire hazard Y b. The size, weight, and center of gravity of vehicle/cargo unit N c. The preferred stowage of vehicles is athwartships wherever possible N d. The vehicles' brakes should not be set to allow for adjusting the lashings 4157: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Duration of the voyage N b. Types of cargo units and vehicles to be carried N c. Weight of cargo units and vehicles Y d. All of the above 4180: 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 Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp 4238: Most pedestal crane power is provided by __________.
Y a. Electro-hydraulic units N b. Steam units N c. Independent internal combustion power units N d. All of the above