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.
252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 302: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?
N a. You must have two toxic vapor detectors or the pumproom must meet special requirements. N b. Each crew member must be provided with an emergency escape breathing apparatus. Y c. A person taking cargo samples must wear protective clothing. N d. If you are carrying propionic acid also, the venting systems must be segregated. 473: 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 may refuse to accept the seaman if the seaman is medically unfit. N b. He must take the seaman even if the seaman has a contagious disease. N c. He is always required to take the seaman. Y d. He may refuse to take the seaman if it will violate the Certificate of Inspection. 483: A fiber towing hawser is readied for service by __________.
N a. spooling it on a winch cathead N b. coiling it in a counterclockwise direction on the fantail Y c. faking it on deck in a fore and aft direction N d. spooling it on a reel lying on its side to prevent rolling 504: Anchors are prevented from running out when secured by the __________.
N a. brake N b. devil's claw N c. pawls Y d. All of the above 528: Determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (16°C). (D008DG )
N a. 14°F N b. 20°F N c. 28°F Y d. 50°F 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 713: How do the height and location of a tug's towing bitts relate to the danger of tripping?
Y a. The further forward and closer to amidships the more readily the tug will trip. N b. Placement further aft permits more effective pulling, better steering and eliminates the danger of tripping. N c. Installing the bitts down low lowers the center of gravity. N d. The height and position of towing bitts has no significance. 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 824: The larger sizes of manila line are measured by their __________.
N a. radius N b. diameter Y c. circumference N d. weight per foot 870: The terms "ceiling" and "margin plate" are associated with the __________.
N a. crew's quarters N b. engine room N c. main deck Y d. tank top 930: Which of the signals listed is required to be displayed at night while bunkering at a dock?
Y a. One red light N b. Two red lights N c. One red light over a yellow light N d. One red light over a white light 942: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?
Y a. The Master of the vessel N b. The Radio Officer N c. The Chief Officer N d. All of the above 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 1083: Which of the knots, bends, or hitches shown in the illustration would you use to properly secure a bosun's chair to a gantline? (D030DG )
N a. G N b. I N c. Q Y d. R 1091: Which of the following statements concerning the rigging and use of bosun's chairs is TRUE?
N a. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle. Y b. Always have the chair hoisted manually. N c. The lowering hitch should always be made before getting into the chair. N d. Always secure the gantline to the chair with a clove hitch. 1110: One function of a bulwark is to __________.
Y a. help keep the deck dry N b. prevent stress concentrations on the stringer plate N c. protect against twisting forces exerted on the frame of the vessel N d. reinforce the side stringers 1139: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. at the hawsepipe Y c. about one-third of the vessel's length from the bow N d. about two-thirds of the vessel's length from the bow 1174: Compared to manila line, size for size, nylon line __________.
N a. has less strength than manila line Y b. has more strength than manila line N c. is equivalent to manila line N d. will rot quicker than manila line 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. 1281: The agency most concerned with a stowaway is __________.
N a. Customs Y b. Immigration N c. Public Health N d. U.S.D.A. 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1351: Your vessel is chartered under a time charter party. Under this type of charter party, your responsibility is __________.
N a. solely to the charterer for all matters pertaining to cargo and ship administration N b. solely to the cargo shippers and consignees N c. solely to the owner, as under normal conditions Y d. to the owner for vessel administration and to the charterer for cargo operations and schedule 1484: A metal eye spliced into a wire is called a __________.
N a. cyclops N b. fish eye Y c. thimble N d. chip 1494: After splicing an eye in a piece of wire rope, the splice should be parceled and served to __________.
N a. strengthen the line N b. increase its efficiency Y c. prevent hand injury by covering loose ends N d. make the line more flexible 1690: Molded depth is measured from the __________.
Y a. inside of the shell N b. outside of the shell N c. top of the center vertical keel N d. top of the garboard stake 1720: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
Y a. Bow spring line N b. Bow breast line N c. Stern breast line N d. Inshore head line 1759: The amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90° would be __________.
N a. 1000 lbs. N b. 1154 lbs. Y c. 1414 lbs. N d. 2000 lbs. 1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?
N a. Alteration Y b. Deviation N c. Liberty N d. Unscheduled stop 1806: If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?
N a. The towing line between the two vessels should be clear of the water. N b. The towing line should be taut at all times between the vessels. Y c. There should be a catenary so the line dips into the water. N d. None of the above 1808: Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo?
N a. U.S. Customs Service N b. OSHA Y c. American Bureau of Shipping N d. National Cargo Bureau 1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.
N a. constantly shifting the rudder N b. moving all passengers to one side of the boat Y c. rigging a sea anchor N d. moving all passengers to the stern 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 1879: What is the mechanical advantage of a threefold purchase when rove to disadvantage and neglecting friction?
N a. 3 N b. 4 N c. 5 Y d. 6 2034: You are ordering a new block to use with a 3-inch circumference manila line. Which represents a proper size block for this line?
N a. 6-inch cheek, 4-inch sheave N b. 8-inch cheek, any size sheave Y c. 9-inch cheek, 6-inch sheave N d. At least a 12-inch sheave 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 2121: Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?
Y a. Stack weights should be less when using a solid bar lashing as compared to a wire lashing. N b. Stack heights may be increased when using a solid bar lashing. N c. Stack heights should be reduced when using a solid bar lashing. N d. Solid bars should be used for lashing the first tier only, with wire lashings on the higher tier(s). 2122: What is the name of tackle number 9? (DO29DG )
N a. Single purchase N b. One-two tackle N c. Double whip Y d. Luff tackle 2206: You are using tackle number 6 in illustration DO29DG to lift a weight of 300 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. 80 lbs. N b. 69 lbs. N c. 55 lbs. N d. 50 lbs. 2212: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed in illustration D035DG. Based on this data what is the advance for a turn of 30°? (D035DG )
N a. 380 yards N b. 420 yards Y c. 470 yards N d. 525 yards 2260: Cargo that gives off fumes that may contaminate other cargo is known as a(n) __________.
N a. delicate cargo N b. dirty cargo N c. toxic cargo Y d. odorous cargo 2345: A splice that can be used in running rigging, where the line will pass through blocks, is a __________.
N a. short splice Y b. long splice N c. back splice N d. spindle splice 2459: Tripping defects in anchors frequently occur in __________.
N a. deep water N b. shallow water N c. stiff soils Y d. soft soils 2540: In small craft terminology, all of the anchor gear between a boat and her anchor is called the __________.
N a. stock N b. chock N c. scope Y d. rode 2559: A vessel in Great Lakes service shall carry anchors in accordance with standards established by the __________.
Y a. American Bureau of Shipping N b. Canadian Coast Guard N c. U.S. Coast Guard N d. underwriter of the vessel 2580: You want to double the strength of a mooring line by using two lines. To accomplish this, the second line must __________.
N a. be 1 1/2 times the diameter of the first N b. be married to the first N c. not cross the first Y d. be of the same length 2603: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
Y a. Your vessel is at anchor and grounds at low tide with no apparent damage. N b. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N c. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. N d. Storm damage to the cargo winch motors requires repairs costing $19,000. 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 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 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3088: A "check" line is __________.
N a. a safety line attached to a man working over the side N b. used to measure water depth Y c. used to slow the headway of a barge N d. used to measure the overhead height of a bridge 3171: A high cube container would most likely be used to stow __________.
N a. dense bulk cargoes Y b. household appliances N c. fragile cargoes N d. heavy industrial machinery 3300: You are heading into the sea during rough weather. Having too much weight forward can cause your small boat to __________.
N a. broach Y b. plunge into the wave N c. rise rapidly over the wave N d. list 3514: Which type of anchor is depicted? (D038DG )
N a. Stock N b. Danforth Y c. Patent N d. Old-fashioned 3550: When can a look-out leave his duty station?
N a. 15 minutes before the end of the watch N b. At the end of the watch Y c. When properly relieved N d. At any time 3590: When steering a vessel, a good helmsman does NOT __________.
Y a. use as much rudder as possible to maintain course N b. consider steering a vessel a highly responsible job N c. use as little rudder as possible to maintain course N d. advise his relief of the course being steered 3681: While you are on watch entering port, 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 Y b. obeys the Master N c. asks you for instructions N d. brings the rudder to a point midway between the two conflicting positions 4038: Which cargo would require a dangerous cargo manifest?
Y a. Cotton N b. Wheat N c. Sugar N d. Lumber 4057: Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
Y a. Bow spring line N b. Inshore head line N c. Stern breast line N d. Bow breast line 4063: The knot at the end of the heaving line used to pass the towing hawser is called a __________.
Y a. monkey's fist N b. ball or baseball knot N c. heaving knot N d. three strand Turk's head