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.
39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 68: Odorous cargoes are those that __________.
N a. are susceptible to damage by tainting N b. are exceptionally dusty and leave a residue N c. are liquid, but in containers Y d. give off fumes that may damage other cargoes 92: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could be caused by __________.
N a. the pump running backwards Y b. incomplete priming N c. the discharge head being too high N d. All of the above 99: What is meant by "thieving" a petroleum cargo?
N a. Siphoning off a few barrels of petroleum for shipboard use Y b. Determining the amount of water (if any) in each cargo tank N c. Adjusting the cargo figures to coincide with the draft N d. Reducing the gross cargo calculations to net amounts 162: Oil may NOT be transferred unless __________.
N a. there are two certificated tankermen on each vessel N b. the vessel is equipped with constant-tension winches Y c. discharge containment equipment (i.e. drip pans) are in place N d. All of the above 267: Which statement is NOT true concerning the stowage of class 1 explosives?
N a. Class 1.1 explosives may be stowed with class 9 dangerous substances N b. Class 1.4 explosives must be "separated from" a stow of class 5.1 oxidizing materials. Y c. Class 1.4 explosives may not be stowed in the same hold with class 6.1 poisons. N d. Class 1.4 explosives must be "separated from" a stow of class 8 corrosive materials. 280: Your ship is in a neutral port when full Naval Control of Shipping is established. You may expect to be boarded and instructed by a(n) __________.
N a. U.S. Naval Control of Shipping Officer N b. allied Naval Control of Shipping Officer N c. Consular Shipping Advisors (CONSA) Y d. Any of the above 314: "Avast" means __________.
N a. let go N b. pull N c. slack off Y d. stop 378: In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
N a. -10°F (-23°C) and +10°F (-12°C) N b. 12°F (-11°C) and 20°F (-7°C) Y c. 28°F (-2°C) and 40°F ( 4°C) N d. 42°F (6°C) and 55°F (13°C) 391: A tonnage tax is levied according to the __________.
N a. deadweight cargo tonnage aboard N b. displacement tonnage of vessel N c. gross tonnage of vessel Y d. net tonnage of vessel 392: Which statement is TRUE concerning insulating flanges?
Y a. They should be inspected and tested periodically to ensure that the insulation is clean and in good condition. N b. Switching off a cathodic protection system may be substituted for using an insulating flange N c. The measured resistance value after installation should be less than 1,000 ohms. N d. After the insulating flange is installed, hot work may be performed on deck. 440: If a Master must jettison a container loaded with hazardous material, he must, as soon as possible, notify the __________.
N a. National Cargo Bureau N b. Environmental Protection Agency N c. National Hazardous Chemical Response Center Y d. nearest Captain of the Port 459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.
Y a. a subsequent temperature rise will cause the cargo to overflow N b. air pockets may cause the cargo to bubble out of the ullage hole N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill N d. the tank valve may be stiff and a spill will occur before the valve can be closed 554: Which part of the patent anchor performs the same function as the stock of an old fashioned anchor; that is, forces the flukes to dig in?
N a. Bill or pea N b. Arm N c. Shank Y d. Tripping Palm 640: Which factor(s) can affect the performance of a river towboat?
N a. The draft of the towboat and the draft of the barges under tow N b. The placement of the barges within the tow N c. The presence of flanking rudders and Kort nozzles Y d. All of the above 743: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. towing arch N b. jockey bar N c. chafing bar Y d. Dutch tow bar 872: In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, when the __________.
Y a. injury requires immediate inpatient hospitalization of the seaman N b. Master authorizes the agent to act in his place N c. ship is still in port and the seaman can appear before the Consul after medical treatment N d. seaman also consents to the absence, and there is no dispute as to the wages due 949: Cargo pump relief valves are piped to the __________.
N a. cargo pump pressure gauges N b. crossover lines interconnecting two pumps Y c. suction side of pumps N d. atmosphere through pump vents 1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.
N a. exemption space N b. tonnage deck N c. cofferdam Y d. tonnage opening 1068: You shall notify the nearest Coast Guard Marine Inspection Office as soon as possible when your vessel has been damaged in excess of __________.
N a. $1,000 N b. $1,500 N c. $10,000 Y d. $25,000 1106: A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when __________.
N a. wearing a life jacket N b. wearing a safety harness secured to the stage N c. wearing both a life jacket and a safety harness secured to the stage Y d. the vessel is not making way 1158: A vessel loads 100 tons of glass jars. The mate on watch discovers that some of the cartons have been damaged and has an exception made on the Bill of Lading. What is this document called?
N a. Damage Bill of Lading N b. Letter of Indemnity N c. Non-negotiable Bill of Lading Y d. Unclean Bill of Lading 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. 1340: The usual depth of a beam bracket is __________.
Y a. 2 1/2 times the depth of the beam N b. 5 times the depth of the beam N c. 10 times the depth of the beam N d. same depth as the beam 1502: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
Y a. 49.73 numeral N b. 52.76 numeral N c. 55.29 numeral N d. 57.93 numeral 1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?
N a. One shot of chain for every ten feet of water Y b. One shot of chain for every fifteen feet of water N c. One shot of chain for every thirty feet of water N d. One shot of chain for every ninety feet of water 1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.
N a. to starboard Y b. to port N c. straight ahead N d. as influenced by the tide and sea 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 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 1702: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo?
N a. Isoheptene N b. Phosphine N c. Furan Y d. Hexanols 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1833: The standing part of a tackle is __________.
N a. all the fall except the hauling part N b. the hook that engages the weight to be moved N c. that part to which power is applied Y d. that part of the falls made fast to one of the blocks 1838: You are docking a vessel. If possible, you should __________.
N a. go in with the current Y b. go in against the current N c. approach the dock at a 90° angle and swing to N d. pass a mooring line to the dock with a heaving line and let the crew pull the vessel in 2020: To facilitate passing the end of a large rope through a block, you could use a __________.
N a. gantline N b. head line Y c. reeving line N d. sail line 2020: To facilitate passing the end of a large rope through a block, you could use a __________.
N a. gantline N b. head line Y c. reeving line N d. sail line 2052: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 2070: Which statement about the Williamson turn is FALSE?
Y a. It requires the highest degree of shiphandling skills to accomplish. N b. It is the slowest of the methods used in turning the vessel. N c. It is the best turn to use when the victim is not in sight due to reduced visibility. N d. It returns the vessel to the original track-line on a reciprocal course. 2106: A racetrack turn would be better than a Williamson turn in recovering a man overboard if __________.
N a. the man has been missing for a period of time Y b. the sea water is very cold and the man is visible N c. there is thick fog N d. the wind was from astern on the original course 2113: One major advantage of the round turn maneuver in a man overboard situation is that it __________.
Y a. is the fastest method N b. is easy for a single-screw vessel to perform N c. requires the least shiphandling skills to perform N d. can be used in reduced visibility 2137: The securing systems for containers were developed to prevent container movement during which ship motion?
N a. Surge Y b. Roll N c. Sway N d. Yaw 2174: A vessel puts into the port of Kobe, Japan to discharge cargo. While awaiting completion of the cargo operation, the vessel contracts with a local shipyard to have the hull chipped, scaled, and painted. How is the cost of this maintenance handled with the Collector of Customs?
Y a. A declaration is required and duty is involved on the total cost. N b. No declaration is required since this is considered routine maintenance. N c. A declaration is made and duty is charged on the materials only. N d. A declaration is made, but duty is charged on the labor only. 2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.
N a. toppling Y b. racking N c. buckling N d. crushing 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 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. 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 2494: The major components which determine the length of a catenary in a deployed anchor cable are water depth, cable weight, and __________.
Y a. cable tension N b. water temperature N c. bottom conditions N d. water density 2530: Your vessel has gone aground in waters where the tide is falling. The BEST action you can take is to __________.
Y a. set out a kedge anchor N b. shift the vessel's load aft and repeatedly surge the engine(s) astern N c. shift the vessel's load forward and wait until the next high tide N d. slowly bring the engine(s) to full speed astern 2548: What is the accepted standard for wire rope falls used in connection with the lifeboat gear?
N a. Six by seven galvanized wire rope N b. Six by twenty-four improved plow steel wire rope N c. Six by thirty-seven preformed fiber-core wire rope Y d. Six by nineteen regular-lay filler wire rope 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 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 3114: Which item is rigged to transmit the thrust from one barge to another barge when going ahead? (D024DG )
N a. I N b. H Y c. E N d. B 3126: Your tankship is carrying a cargo of styrene. Which of the following is NOT a requirement for carriage of this cargo?
Y a. P/V valves with galvanized parts must be replaced. N b. Authorization to carry styrene must be endorsed on the Certificate of Inspection. N c. You must have a "Certificate of Inhibition" provided by the shipper. N d. The cargo tank heating coils must be blanked off. 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 3374: Angular motion about the longitudinal axis of a vessel is known as __________.
N a. pitch N b. surge N c. sway Y d. roll 3492: The Master of a passenger vessel which is not required to maintain an Official Logbook must keep a record of the number of passengers received and delivered from day to day. This record must be available for a period of __________.
N a. 6 months Y b. 12 months N c. 24 months N d. 36 months 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 4034: The signal man assisting the crane operator has his arm extended downwards, forefinger pointing down, and moves his hand in small horizontal circles. This is the signal to __________.
Y a. lower N b. swing N c. hoist N d. extend 4040: When towing another vessel astern, the length of the towline should be __________.
N a. as long as possible N b. such that one vessel will be on a crest while the other is in a trough Y c. such that the vessels will be "in step" N d. not over two wave lengths in seas up to 10 feet 4126: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
Y a. Number, position and angle of lashings N b. Vessel's draft N c. Port of origin N d. ABS requirements 4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Turn on the red cargo light. N b. Turn on pumproom ventilation. N c. Call out the deck department for all hands. Y d. Raise/open the stern door.