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.
7: The mooring line labeled "F" is called a __________. (D044DG )
Y a. breast line N b. bow line N c. forward spring line N d. None of the above 75: Frames to which the tank top and bottom shell are fastened are called __________.
Y a. floors N b. intercostals N c. stringers N d. tank top supports 211: A seaman is entitled by law to a release from Foreign Articles when __________.
N a. intoxicated Y b. the vessel is overloaded N c. there is a change of home port N d. there is a change of Master 309: When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?
N a. Draft and trim Y b. Limits of the bending moments N c. Rate of discharging N d. Rate of loading 389: When hooking up a cargo hose to your vessel's manifold, you should use a(n)______________.
N a. international shore connection Y b. insulating flange or single length of non-conducting hose N c. self-contained breathing apparatus N d. oxygen analyzer 435: The amount of force a tug can exert on a stationary pull is called its __________.
N a. brake horsepower N b. indicated horsepower N c. shaft horsepower Y d. bollard pull 491: A change of a documented vessel's name can only be made by the __________.
N a. American Bureau of Shipping N b. Commissioner of Customs N c. Treasury Department Y d. Coast Guard 600: You are on a containership. Which statement about the stowage of hazardous materials in containers is TRUE?
N a. The containers provide automatic segregation of hazardous materials except for class A explosives. N b. All packages within a container must be marked "This End Up" to indicate the correct stowage. Y c. A refrigerated container with a fuel tank containing a flammable liquid must be stowed on deck. N d. Packages of liquids within a container should be stowed on top of packages of solids to prevent crushing. 606: For operations in pack ice, a vessel should __________.
N a. be on an even keel N b. be trimmed slightly by the head Y c. have a drag of not more than 2 to 3 feet N d. be ballasted so the forefoot is near the surface 630: You are doing a Williamson turn. Your vessel has swung about 60° from the original course heading. You should __________.
N a. put the rudder amidships and check the swing N b. stop the engines and prepare to maneuver to pick up the man in the water Y c. shift your rudder N d. increase to maximum speed 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 717: It is the responsibility of the Master to ensure that __________.
N a. the muster list is posted in each compartment Y b. temporary personnel and visitors are advised of emergency stations N c. names of crew members are listed on the muster list N d. no changes are made to the muster list 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 782: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accurately fix the vessel's position using all of the following EXCEPT ___________ .
N a. installed navigational equipment Y b. buoys alone N c. all available aids to navigation N d. depths soundings and hydrographic contour lines 854: A piece of small stuff (small line) secured to an object to prevent it from going adrift is a __________.
Y a. lanyard N b. keeper N c. noose N d. stopper 877: On which vessels may licensed individuals be required to stand watch under the two-watch system, on voyages of more than 600 miles in length?
Y a. Uninspected towing vessels N b. Offshore supply vessels N c. Cargo ships N d. Tank vessels 1002: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you may need to __________.
N a. check the setting of the rudder adjustment N b. check the setting of the weather adjustment N c. immediately engage the trick wheel Y d. switch to the other steering system 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 1089: The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a __________.
Y a. crossover N b. runaround N c. come-along N d. manifold 1162: How does a vessel's rate of turn change when entering shallow water?
N a. It is faster. N b. It is slower. Y c. There is no change. N d. It remains constant for varying propeller revolutions. 1206: You are landing a single-screw vessel with a left-handed propeller, starboard side to the dock. As you approach the dock you back your engine with your rudder amidships. You would expect the vessel to __________.
N a. lose headway without swinging N b. turn its bow towards the dock Y c. turn its stern towards the dock N d. drift away from the dock 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1221: Your vessel is in Charleston, S.C. You need not clear Customs if __________.
Y a. all the cargo on board is of U.S. origin and destined for New York N b. you took on no new cargo in Charleston, S.C. and are bound for Puerto Rico and thence foreign N c. you did not discharge any cargo in Charleston and are bound for Panama N d. you did not load any cargo in Charleston and are bound for Halifax 1260: The function of the bilge keel is to __________.
Y a. reduce the rolling of the vessel N b. serve as the vessel's main strength member N c. add strength to the bilge N d. protect the vessel's hull when alongside a dock 1330: Beams are cambered to __________.
N a. increase their strength Y b. provide drainage from the decks N c. relieve deck stress N d. All of the above 1402: What form of ice is of land origin?
N a. Shuga N b. Floe N c. Spicule Y d. Bergy bit 1496: The purpose of a devil's claw is to __________.
Y a. act as a chain stopper N b. prevent the windlass from engaging N c. prevent the chain from fouling on deck N d. control the wildcat 1514: A 6x12, two-inch wire rope has __________.
N a. 12 strands and a two-inch diameter N b. 12 strands and a two-inch circumference Y c. 6 strands and a two-inch diameter N d. 6 strands and a two-inch circumference 1528: You are being towed by one tug. As you lengthen the bridle legs you __________.
N a. increase your chances of breaking the towing hawser Y b. reduce the yawing of your vessel N c. reduce the spring effect of the tow connection N d. increase your chances of breaking the bridle legs 1571: As Chief Officer of a vessel underway, it comes to your attention that the vessel is, in some manner, unseaworthy. Under such circumstances the Master is required to take action upon receiving __________.
N a. information of such condition from yourself Y b. notification of such condition from yourself and the Second Officer N c. notification of such condition from yourself and any other member of the crew N d. notification of such condition from yourself or the Second Officer 1695: What is the perimeter of a circle with a radius of 3.7 feet?
N a. 11.62 ft N b. 17.49 ft Y c. 23.25 ft N d. 25.72 ft 1706: Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor. The wind freshens considerably and the anchor begins to drag. Which action should you take FIRST?
N a. Drop the starboard anchor short with about one shot of chain. N b. Sheer out to starboard using the rudder, then drop the starboard anchor with about four shots of chain. N c. Put the engines slow ahead to help the anchor. Y d. Veer out more chain on the port anchor. 1717: With a large tow astern, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. tow broaching 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 1732: Which picture in illustration D030DG represents a half hitch? (D030DG )
Y a. U N b. S N c. K N d. H 1742: You should conduct a sector search under which of the following circumstances?
Y a. The search target is sighted and then lost. N b. More than one vessel is available for a search. N c. The search object is a target that will be readily detected by radar. N d. An aircraft is available to assist a surface vessel. 1774: Which knot is used to attach two different sized lines together?
N a. Granny knot Y b. Sheet bend N c. Square knot N d. Thief knot 1779: Using the graph shown, if the dry bulb temperature is 58°, and the wet bulb temperature is 53°, what is the relative humidity in a cargo hold? (D008DG )
N a. 56% N b. 61% N c. 66% Y d. 75% 1836: While towing, what is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. The barge may swing too quickly and run over the tug. Y b. The barge may pass under the hawser and capsize the tug. N c. Free surface affect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1889: The helm command "Nothing to the left" means do NOT __________.
N a. use left rudder Y b. steer left of the ordered course N c. steer right of the ordered course N d. leave any buoys on the port side 1944: The garboard strake is indicated by which letter? (D033DG )
N a. A N b. B N c. G Y d. H 1951: A case received for shipment is marked as shown. The portion of the symbol indicated by the letter A is _______ . (D043DG )
Y a. a stowage sequence marking N b. the consignee's marking N c. a stowage mark, showing the top of the case N d. the symbol for toxic contents 1957: The strake of shell plating indicated by letter H is known as the __________. (D033DG )
N a. sheer strake N b. outboard keel plate Y c. garboard strake N d. bilge strake 1998: When towing in an open seaway, it is important to use a towing line __________.
N a. made only of wire rope, due to possible weather conditions N b. that will have the tow on a crest while your vessel is in a trough Y c. that will have the tow on a crest while your vessel is on a crest N d. with little dip to gain maximum control of the tow 1999: When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.
Y a. maximum possible area N b. minimum possible area N c. nearest watertight door N d. nearest longitudinal girder 2040: The plating indicated by the letter N is known as the __________. (D033DG )
Y a. inner bottom N b. floor riders N c. tank-top rider plating N d. ceiling 2098: Snow has obliterated surface features and the sky is covered with uniform, altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called?
N a. Ice blink Y b. Whiteout N c. Water sky N d. Aurora reflection 2366: To "shore up" the main deck for the stowage of deck cargo means to __________.
N a. weld pad eyes on deck in proper position to secure the cargo Y b. strengthen the main deck by placing pillars underneath it in the tween-decks N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck N d. package the cargo in wooden crates so it will not damage the deck 2474: Generally speaking, the more destructive storms occurring on the Great Lakes usually come from the __________.
N a. northeast or east Y b. southwest or west N c. northwest or north N d. southeast or south 2528: Which entry on a dangerous cargo manifest concerning the classification of a cargo is correct?
Y a. Class 8 N b. Class 3 - flammable liquid N c. Division 2.2 - nonflammable gas N d. All of the above are correct 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 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 2911: The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.
Y a. pump from the damaged tank N b. fight a fire N c. abandon ship N d. use the crossover system 2964: "Seiche" is defined as a(n) __________.
N a. unusually strong storm system which approaches the Great Lakes System generally from the Northeast N b. lake current which is predominant during the spring and fall navigation season on the Great Lakes Y c. oscillation caused by the diminishing of forces which cause lake level fluctuations N d. higher than normal high water or lower than normal low water 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 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 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 3544: Wire rope should be renewed when the __________.
N a. outer wires are rusted Y b. outer wires are worn to half their original diameter N c. inner core appears dry N d. certification period expires 3820: When making a Scharnow turn, the __________.
N a. rudder must be put over towards the side the man went over N b. initial turn direction is away from the side the man went over Y c. rudder is put hard over and the initial turn is maintained until about 240° from the original course N d. man overboard must be not more than 300 feet astern when starting the turn 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is true?
N a. The thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block.