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.
79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 159: What is the standard net barrel for petroleum products?
Y a. 42 gallons at 60°Fahrenheit N b. 48 gallons at 70°Fahrenheit N c. 50 gallons at 50°Celsius N d. 60 gallons at 100°Saybolt 272: When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.
N a. one meter from the tank bottom and one meter below the tank top Y b. one half the ullage of the tank and one meter below the tank top N c. one half the ullage of the tank and one meter above the tank bottom N d. at three meter intervals from the tank top to the bottom 339: Oil product samples should be taken from the __________.
N a. dock riser N b. ship's cargo tanks N c. shore tank discharge Y d. All of the above 410: You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? (D023DG )
Y a. The tank contains propylene. N b. The tank's volume is 1077 cubic feet. N c. There are three tanks in the shipment. N d. The tank contains an oxidizing material. 423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?
N a. None N b. 1 Y c. 2 N d. 3 522: You are onboard a 120 GT uninspected sea going tug which carries one Master and one Mate of Towing Vessels and four (4) seamen when underway. How many of the four seamen must have a rating as able seamen if the voyage is under 600 miles?
N a. 4 N b. 3 Y c. 2 N d. 1 542: 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 581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
N a. Amylene N b. Diisobutyl Phthalate N c. Oleic acid Y d. Vinyl acetate 615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.
Y a. bank cushion N b. bank suction N c. bow wave N d. veering cushion 624: A serving mallet is used in __________.
Y a. covering wire or fiber rope N b. forcing fids into a line N c. dogging hatches N d. splicing lines 667: While towing in shallow water you should consider __________.
N a. using a short towing hawser Y b. using a floating hawser N c. the catenary and the effect it may have on the tow N d. All of the above 692: The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.
Y a. Christmas tree tow N b. tandem tow N c. British tow N d. tandem tug tow 763: A vessel that tows astern must have a/an ___________ .
N a. towing winch Y b. method to easily release the towline N c. oxy-acetylene cutting torch N d. ax or knife mounted near the towing bitts 775: You are on a large merchant vessel entering a U.S. port. There is a Pilot onboard and he has the conn. Which statement is TRUE?
N a. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. N b. The Pilot is solely responsible for the internal working of the ship. N c. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. Y d. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. 926: Usually the most gentle way of riding out a severe storm on a larger vessel is __________.
N a. head on at slow speeds N b. hove to Y c. running before the seas N d. to rig a sea anchor 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 957: Your vessel has completed an inspection for certification and is issued a Temporary Certificate of Inspection. The Temporary Certificate __________.
Y a. has the full force of the regular Certificate of Inspection N b. expires six months after it is issued N c. must be exchanged for a regular Certificate of Inspection within 3 months N d. is retained in the custody of the Master 984: To coil a right-laid rope, you should coil the line in __________.
Y a. a clockwise direction N b. a counterclockwise direction N c. alternating clockwise and counterclockwise directions N d. either a clockwise or counterclockwise directions 1099: To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, cargo hoses must be suspended with __________.
N a. slings or saddles placed at 25-foot (8 meter) intervals Y b. enough slack in their bight N c. topping lifts and runners tied off to winches N d. All of the above 1135: What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel?
N a. Jacob's ladder N b. Manropes N c. Heaving lines Y d. All of the above 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 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. 1380: The deck beam brackets of a transversely framed vessel resist __________.
N a. hogging stresses N b. sagging stresses Y c. racking stresses N d. shearing stresses 1396: Lifting the anchor from the bottom is called __________.
N a. broaching the anchor N b. shifting the anchor N c. walking the anchor Y d. weighing the anchor 1481: A fire has damaged 20 bales of cotton on a freighter loaded with general cargo. This claim would come under __________.
N a. constructive total loss N b. general average Y c. particular average N d. total loss of a part 1560: Which arrangement of shell plating is used most in modern shipbuilding?
N a. Clinker Y b. Flush N c. In-and-Out N d. Joggled 1565: While in dry dock your vessel will be belt-gauged. This process involves __________.
N a. measuring the thickness of the tail shaft liner N b. taking the vessel's offsets to check for hull deformation N c. testing and examining the anchor cables for defective links Y d. drilling or sonic-testing the hull to determine the plate thickness 1606: To safely anchor a vessel there must be sufficient "scope" in the anchor cable. Scope is the ratio of __________.
N a. weight of cable to weight of vessel N b. weight of cable to weight of anchor N c. length of anchor to depth of water Y d. length of cable to depth of water 1622: What is NOT an indication that pack ice may be nearby?
Y a. The presence of icebergs N b. Ice blink N c. Absence of wave motion N d. Sighting a walrus in the Arctic 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 1647: Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys?
N a. The Maritime Defense Zone Sector Y b. The Operational Control Authority N c. The National Shipping Authority N d. Any Navy Command 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1852: What is normally used to pass a mooring line to a dock?
N a. Distance line N b. Gantline Y c. Heaving line N d. Tag line 1872: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours N c. 30 minutes to 1 hour Y d. less than 10 minutes 1886: The knot lettered R is a __________. (DO30DG )
Y a. double becket bend N b. bowline N c. fisherman's bend N d. round turn and two half hitches 2014: You are using tackle number 12, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 2. What is the mechanical advantage of this rig? (D029DG )
N a. 9 N b. 10 Y c. 14 N d. 21 2043: A mooring line that prevents a vessel from moving sideways away from the dock is a __________.
N a. bow line Y b. breast line N c. stern line N d. spring line 2077: While assigned to a 150 GRT vessel, you are required to sign "foreign" articles on a voyage from New Orleans to which port?
N a. Houston, Texas N b. Veracruz, Mexico N c. Kingston, Jamaica Y d. Cristobal Colon, Panama 2176: 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)
N a. 91.42 numeral N b. 85.60 numeral Y c. 79.23 numeral N d. 74.73 numeral 2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2255: You are using tackle number 2 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? (D029DG )
N a. 50 lbs. N b. 55 lbs. Y c. 60 lbs. N d. 110 lbs. 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. 2392: Determine the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet.
Y a. 510.00 lbs. N b. 255.00 lbs. N c. 198.89 lbs. N d. 165.75 lbs. 2569: When discharging an oil cargo, the first consideration is to __________.
Y a. get the bow up N b. discharge from the wings first N c. discharge from the centerline tanks first N d. discharge from amidships first 2609: Which tanker discharge pattern would be the safest and most efficient?
N a. Empty the forward tanks and start working aft, emptying each tank in sequence Y b. Start discharging with most of the discharge coming from forward, but include some from midships and after tanks N c. Start pumping from forward, midships, and aft with the discharge distributed equally among the tanks N d. Start pumping from midships and then work forward and aft simultaneously as the midships tank is emptied 2629: Each open lifeboat carried on a vessel on an international voyage must have __________.
N a. hand-propelling gear Y b. a davit span with at least 2 lifelines N c. a mast and a sail N d. a motor 2789: Your vessel is approaching the International Bridge on the St. Marys River. If the gage on the bridge, read from top to bottom, indicates 124 ft. and the IGLD (1955) is 600 ft., determine the actual vertical clearances between the existing water level and the lowest point of the bridge over the channel.
Y a. 124 feet N b. 476 feet N c. 724 feet N d. 840 feet 2951: The helm command "meet her" means __________.
N a. decrease the rudder angle N b. note the course and steady on that heading N c. steer more carefully Y d. use rudder to check the swing 3094: Your vessel is underway and approaching an overhead obstruction on Lake Superior. Given the following information, determine the clearance between your vessel and the obstruction. Highest point on vessel: 74 ft. Lowest point of obstruction: 126 (LWD) Monthly lake level: +2 (LWD) International Great Lakes Datum: 600.0 (182.88 meters)
N a. 474 feet N b. 400 feet N c. 175 feet Y d. 50 feet 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 3352: The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
N a. hoist the load N b. raise the boom Y c. lower the boom N d. lower the load 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 3476: The strongest method of forming an eye in wire rope is using __________.
N a. three wire rope clamps N b. an eye splice with four or five tucks N c. a thimble fastened with four or five tucks Y d. a wire rope socket attached with zinc 4088: With a given load on the cargo hook, the thrust on a cargo boom __________.
Y a. increases as the angle to the horizontal increases N b. increases as the angle to the horizontal decreases N c. is greatest at an angle of 45° and decreases as the boom is raised or lowered N d. is least at an angle of 45° and increases as the boom is raised or lowered 4117: Cargo securing for Ro-Ro is based on the concept of __________.
N a. solid packing Y b. rapid loading and discharge N c. vessel loaded full and down to her marks N d. palletized cargo 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 4259: Which statement is FALSE regarding the operation of a crane?
N a. The crane jib is raised and lowered by the luffing winch. N b. The cargo block is raised and lowered by the hoisting winch. Y c. The cargo block is raised and lowered by the luffing winch. N d. None of the above