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.
41: Considering the manning requirements for U.S. vessels (100 gross tons and above), your cargo vessel has a deck crew of 20 men, exclusive of the officers. How many of these men do the manning regulations require to be Able Seamen?
N a. 5 N b. 7 N c. 10 Y d. 13 304: To warp a vessel means to __________.
N a. anchor the vessel N b. bring the head into the wind N c. clean the decks Y d. move the vessel by hauling on lines 356: It is possible, and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by __________.
N a. placing bunker on the deck N b. building a stage on which to place the cargo N c. welding steel "feet" to the deck, on which the cargo is placed Y d. erecting vertical pillars under the deck to support the cargo 409: A tanker is loaded with 5,000 barrels of petroleum. The cargo was loaded at a temperature of 70°F, and the coefficient of expansion is .0004. What is the net amount in barrels of cargo loaded?
N a. 4800 Y b. 4980 N c. 5020 N d. 5200 465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?
N a. Stringers N b. Longitudinals Y c. Transverse watertight bulkheads N d. The rake 542: Which best describes a "fishplate" used in towing?
Y a. A triangular-shaped heavy steel plate with a round hole inset from each corner N b. A steel plate in the shape of a flat fish N c. A rectangular-shaped piece of heavy steel plate with four holes N d. A circular piece of heavy steel with three holes forming an equilateral triangle 617: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. onshore stern line Y b. offshore stern line N c. after breast line N d. after spring line 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 650: A crew member has just fallen overboard off your port side. Which action should you take?
N a. Immediately put the rudder over hard right. Y b. Immediately put the rudder over hard left. N c. Immediately put the engines astern. N d. Wait until the stern is well clear of the man and then put the rudder over hard right. 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 725: By law, a user of marijuana shall be subject to __________.
N a. loss of pay during the period of such use N b. reprimand by the US Coast Guard Y c. revocation of license or certificate N d. termination of employment 923: An advantage of nylon rope over manila rope is that nylon rope __________.
Y a. can hold a load even when a considerable number of the yarns have been abraded N b. can be stored on deck, exposed to sunlight N c. can be used in conjunction with wire or spring-lay rope N d. gives audible warning of overstress whereas manila does not 934: Which method is used to detect rot in manila lines?
Y a. Opening the strands and examining the inner fibers N b. Measuring the reduction in circumference of the line N c. Observing for the appearance of mildew on the outer surface N d. Feeling the surface of the line for broken fibers 950: The upward slope of a ships bottom from the keel to the bilge is known as __________.
N a. camber N b. slope Y c. deadrise N d. keel height 1003: You are on a containership. The cargo includes a container of small arms ammunition, a container of lead-acid storage batteries and a container of methyl acetylene bottles. Which statement is TRUE?
N a. The storage batteries must be stowed on deck away from the ammunition. N b. The storage batteries must be at least ten horizontal feet away from the methyl acetylene. N c. The ammunition must be separated from the methyl acetylene by at least one hold. Y d. No separation is required because freight containers are exempted. 1052: A term used to describe the dip in a towline that acts as a shock absorber is __________.
Y a. catenary N b. step N c. shock dip N d. bight 1059: You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?
N a. Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned. N b. The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank. N c. The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue. Y d. Steam cleaning and water washing are both capable of generating electrostatic charges within a tank. 1131: U.S. Customs, upon boarding a vessel desiring entry into a U.S. port, would inspect which document?
N a. Cargo Manifest N b. Certified Crew List N c. Stores List Y d. All of the above 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 1179: The most likely time for oil pollution while bunkering is when __________.
Y a. final topping off is occurring N b. first starting to receive fuel N c. hoses are being blown down N d. hoses are disconnected and being capped 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1283: Which statement about the fo'c'sle card is TRUE?
N a. The fo'c'sle card is a blank sample of the articles. N b. It contains copies of the crew's signatures from the articles. Y c. Is an exact copy of shipping articles. N d. Each crewmember is given a copy of the fo'c'sle card. 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 1357: The area indicated by the letter G is known as the __________. (D033DG )
N a. entrance N b. stringer plate Y c. turn of the bilge N d. garboard 1366: The best method to stop a vessel from dragging anchor in a sand bottom is to __________.
N a. reduce the length of the cable Y b. pay out more anchor cable N c. back the engines N d. swing the rudder several times to work the anchor into the bottom 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 1464: When talking about wire rope, the lay of the wire is the __________.
Y a. direction wires and strands are twisted together N b. number of strands in the wire N c. direction the core is twisted N d. material used in the core 1474: To find the distance the strands should be unlaid for an eye splice, multiply the diameter of the wire in inches by __________.
N a. 12 N b. 24 Y c. 36 N d. 48 1584: The size of wire rope is determined by the __________.
N a. number of strands N b. number of wires in each strand N c. circumference Y d. diameter 1639: All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the __________.
N a. date of the test N b. load at which a test sample broke Y c. name of the vessel N d. number of strands and of wires in each strand 1688: Grade E combustible liquids have a flash point of __________.
N a. 80°F to 150°F Y b. 150°F or above N c. 60°F to 100°F N d. 90°F to 120°F 1724: A "bowline" is used to __________.
N a. join lines of equal size Y b. form a temporary eye (loop) at the end of a line N c. be a stopper N d. keep a line from fraying 1734: Which knot reduces the strength of a line by the LEAST amount?
N a. Bowline N b. Clove hitch N c. Sheet bend Y d. Two half hitches 1848: You are docking a vessel. Wind and current are most favorable when they are __________.
N a. crossing your course in the same direction N b. crossing your course in opposite directions Y c. parallel to the pier from ahead N d. setting you on the pier 1982: You are using tackle number 8 to lift a weight of 100 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 )
N a. 120 lbs. N b. 55 lbs. Y c. 40 lbs. N d. 37 lbs. 2062: The vessel shown has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines? (DO25DG )
N a. A N b. B N c. C Y d. D 2208: Under normal weather and sea conditions when securing a stack of containers with twist locks, lashings are required when the tier exceeds what height?
N a. Lashings are always required N b. One container Y c. Two containers N d. Three containers 2274: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day N b. 30 minutes to 1 hour Y c. 1 to 6 hours N d. 10 minutes if possible 2398: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 4.5 feet and a length of 8 feet?
N a. 1.82 Y b. 3.64 N c. 7.27 N d. 14.54 2458: A carling is used aboard ship __________.
N a. as a connecting strap between the butted ends of plating Y b. to stiffen areas under points of great stress between beams N c. to prevent the anchor from fouling when the brake is released N d. to provide an extra heavy fitting in a heavy lift cargo rig 2564: The major components which determine the length of catenary in a deployed anchor cable are water depth, cable tension, and __________.
N a. environmental forces N b. bottom conditions Y c. cable weight N d. water density 2624: The certificate of loading required by each vessel carrying grain in bulk is issued by the __________.
N a. owner or charterer of the vessel N b. American Bureau of Shipping N c. shipper of the cargo Y d. National Cargo Bureau 2714: The major components which determine the length of catenary in a deployed anchor cable are cable tension, cable weight, and __________.
N a. water density N b. bottom conditions N c. environmental forces Y d. water depth 2742: The internal volume of a cargo hold measured from the inside of the side shell, the underside of the deck, and the tank top is known as the __________.
N a. gross tonnage N b. deadweight space N c. measurement space Y d. grain cubic 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2876: A U.S. Coast Guard icebreaker may use all of the following distinctive lights when escorting ships in ice EXCEPT __________.
N a. a single amber rotating light N b. a single red rotating light N c. red aircraft warning lights Y d. a single blue rotating light 2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".
N a. I am altering my course to starboard N b. I am altering my course to port Y c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water 3050: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise control over cargo flow Y b. Quick operation N c. No resistance to cargo flow when open N d. Less maintenance required 3201: You are on watch entering port, and the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot N b. asks you for instructions Y c. obeys the Master N d. brings the rudder to a point midway between the two conflicting positions 3244: The shank is indicated by which letter? (D038DG )
N a. K N b. J N c. H Y d. F 3338: What is used to prevent wear on towlines that bear on hard surfaces?
Y a. Chafing gear N b. Chocks N c. Grease N d. Boots 3382: The signal man assisting the crane operator first taps his elbow with one hand and then proceeds to use regular signals. This is the signal to __________.
N a. use the main hoist N b. proceed slowly N c. increase speed Y d. use the whip line 3452: A drift lead indicates that the vessel is dragging anchor when the line is __________.
Y a. taut and leading forward N b. slack N c. leading out perpendicular to the centerline N d. leading under the hull 3465: Which type of anchor is illustrated? (D038DG )
Y a. Stockless N b. Danforth N c. Old-fashioned N d. Kedge 4022: Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). What action should you take?
N a. Reduce speed Y b. Stop your engines N c. Reverse your engines N d. Stop your vessel instantly 4046: Which statement about tunnel bow thrusters fitted to large vessels is TRUE?
N a. They are effective on most vessels at speeds up to 10 knots. N b. Because of their location, most modern installations have as much power as a tug. N c. They are fully effective at all drafts. Y d. When going astern at slow speed, they provide effective steering control. 4064: Which statement concerning castor oil is TRUE?
N a. It has a Reid vapor pressure of 9.5. N b. It has a specific gravity of 1.3. N c. The boiling point is 215°F (102°C). Y d. It is a grade E combustible liquid. 4213: What does a jib refer to on a crane?
Y a. Boom N b. Topping lift N c. Control cab N d. Liftline 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above 4390: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.
N a. "Rudder is right 15 degrees" N b. "Aye Aye Sir" N c. No reply is necessary, just carry out the order Y d. "Right 15 degrees rudder"