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.
18: To determine the weight capacity of a deck in a cargo hold, you would refer to the __________.
N a. deadweight scale Y b. deck capacity plan N c. cubic capacity tables N d. general arrangement plan 132: What is a characteristic of all centrifugal cargo pumps?
N a. They are self-priming. Y b. Decreasing the speed of rotation will decrease the discharge pressure. N c. Opening the discharge valve wider will increase the discharge pressure. N d. All of the above 223: Who is responsible for providing urine specimen collection kits to be used following a serious marine incident?
N a. Qualified medical personnel Y b. The marine employer N c. The U.S. Coast Guard N d. The local police department 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 420: In handling break bulk hazardous materials, it is forbidden to use __________.
N a. cargo nets Y b. metal bale hooks N c. pallets N d. slings 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 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 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 485: To clean a dirty fiber towing hawser used in ocean towing, you should __________.
N a. use lye or other mild detergent Y b. wash it with fresh water, dry and store it N c. wash it with salt water N d. use cleaning fluid on nylon, dacron and other synthetic lines 488: Which data can NOT be found on a moisture equilibrium chart?
N a. Dry bulb temperature N b. Moisture content N c. Vapor pressure Y d. Wet bulb temperature 534: Which is part of the ground tackle?
N a. Charlie noble Y b. Devil's claw N c. Gooseneck N d. Rat's tail 547: Where is an intermediate spring or surge line placed in the towing hookup?
Y a. Connected between the main towing hawser and the towing bridle N b. Connected between the "H" towing bitts and the main towing hawser N c. End of line fastened directly to the drum of the towing winch N d. As both legs of the towing bridle 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 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 708: The National Cargo Bureau represents the __________.
N a. agent N b. operator N c. shipper Y d. All of the above 720: You suspect that a crewmember has fallen overboard during the night and immediately execute a Williamson turn. What is the primary advantage of this maneuver under these circumstances?
Y a. You will be on a reciprocal course and nearly on the track-line run during the night. N b. The turn provides the maximum coverage of the area to be searched. N c. The turn enables you to reverse course in the shortest possible time. N d. You have extra time to maneuver in attempting to close in on the man for rescue. 730: In a Williamson turn, the rudder is put over full until the __________.
N a. vessel has turned 90°From her original course Y b. vessel has turned 60°From her original course N c. vessel is on a reciprocal course N d. emergency turn signal sounds 730: In a Williamson turn, the rudder is put over full until the __________.
N a. vessel has turned 90°From her original course Y b. vessel has turned 60°From her original course N c. vessel is on a reciprocal course N d. emergency turn signal sounds 798: How many cubic feet of space is required to stow 775 tons of a cargo with a stowage factor of 25? (estimated broken stowage is 15%)
N a. 12,916 Y b. 22,794 N c. 25,833 N d. 29,397 816: Water may boil up around the stern of a vessel in a channel due to __________.
N a. slack water when upbound Y b. shallow water N c. a cross current N d. a head current 856: A wedge of water building up between the bow and nearer bank which forces the bow out and away describes __________.
Y a. bank cushion N b. bank suction N c. combined effect N d. bend effect 1026: When making way in heavy seas you notice that your vessel's screw is being lifted clear of the water and racing. One way to correct this would be to __________.
N a. increase speed Y b. decrease speed N c. move more weight forward N d. shift the rudder back and forth several times 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. 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1153: What affect does shallow water have on a vessel's stopping distance?
N a. The stopping distance is shorter. Y b. The stopping distance is longer. N c. There is no difference in the stopping distance. N d. The propeller is more effective when going astern in shallow water. 1348: Preparation of muster lists and signing of same is the responsibility of the __________.
N a. Chief Officer of the vessel N b. owner of the vessel Y c. Master of the vessel N d. United States Coast Guard 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1487: You are approaching a disabled vessel in order to remove survivors from it. If your vessel drifts faster than the disabled vessel, how should you make your approach?
Y a. To windward of the disabled vessel N b. To leeward of the disabled vessel N c. Directly astern of the disabled vessel N d. At three times the drifting speed of the disabled vessel 1524: A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to?
N a. Strands, yarns, circumference Y b. Strands, wires, diameter N c. Wires, yarns, diameter N d. Strands, circumference, wires 1544: The main function of the core of a wire rope is to __________.
N a. give flexibility Y b. support the strands laid around it N c. allow some circulation around the strands N d. allow lubrication inside the rope 1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?
Y a. It resists abrasion better. N b. It is longer. N c. It hugs the winch drum better. N d. It is less expensive. 1638: On a twin-screw, twin-rudder vessel, the most effective way to turn in your own water, with no way on, is to put __________.
Y a. one engine ahead and one engine astern, with full rudder N b. one engine ahead and one engine astern, with rudders amidships N c. both engines ahead, with full rudder N d. both engines astern, with full rudder 1715: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
Y a. Each crew member must be issued a certificate of discharge at the time of discharge. N b. No able seamen are required. N c. Crew must be signed on before a Shipping Commissioner. N d. A licensed Master of Towing Vessels may serve as Master. 1815: "Ease the rudder" means to __________.
N a. steer the course which is your present heading N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships Y d. decrease the rudder angle 1941: The helm command "Left twenty" means __________.
N a. change course twenty degrees to the left Y b. put the rudder left twenty degrees N c. put the rudder hard left for the first twenty degrees of swing N d. put the rudder left twenty degrees and then ease back as the vessel starts swinging 1950: You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?
N a. You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors. N b. If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors. Y c. An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats. N d. Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel. 2003: Chafing gear is used to __________.
N a. anchor the boat N b. pick up heavy loads Y c. protect fiber rope from abrasion N d. strengthen mooring lines 2015: During a period of "whiteout", you should expect which of the following?
N a. Snowfall or blowing snow Y b. Lack of ability to estimate distance N c. Harsh contrast between sun-illuminated snow cover and the background N d. Hazy horizons with extensive mirage effects 2039: There is a large shipment of case goods available to be loaded on your vessel. You are to load as many tons as possible in a hold which has 32,300 cubic feet left unfilled by cargo. Each case measures 2-feet high by 2-feet wide by 4-feet long and weighs 500 pounds. If you allow a broken stowage allowance of 10% of the 32,300 feet, what is the nearest whole number of tons which may be loaded?
N a. 324 tons N b. 360 tons N c. 363 tons Y d. 406 tons 2054: What is the name of the mark indicated by the letter B in the diagram? (D003DG )
N a. Timber summer load line Y b. Tropical fresh water load line N c. Tropical load line N d. Summer load line 2067: What is the mechanical advantage, neglecting friction, of tackle number 12? (DO29DG )
N a. 3 N b. 5.5 N c. 6 Y d. 7 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 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 2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?
N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity. Y b. Refuse to sign a Clean Bill of Lading. N c. Sign the Clean Bill of Lading and have the agent countersign it. N d. Sign a Clean Bill of lading under protest. 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 2191: A wooden deck installed on top of the plating lettered N is known as __________. (D033DG )
N a. spar decking N b. furring Y c. ceiling N d. flooring 2231: What is the mechanical advantage of tackle number 2? (DO29DG )
N a. 0.5 N b. 1 Y c. 2 N d. 3 2646: Which statement is true concerning repairs on the hull of a vessel which is to be riveted and welded?
N a. Riveting must be completed before welding begins. N b. Riveting and welding should be done alternately. Y c. Welding must be completed before the riveting begins. N d. It does not matter in what order the operations are done. 2674: You operate a harbor craft on inland waters exclusively. If you regularly service or contact foreign flag vessels in the course of business, which statement is TRUE?
N a. Your vessel must be inspected. Y b. Your crew must have identification credentials. N c. A customs official must be on board when contacting a foreign flag vessel. N d. All contacts with a foreign flag vessel must be reported to the U.S. Coast Guard. 2690: When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?
N a. Once a day N b. At the change of every watch N c. Only when in fresh or brackish water Y d. Prior to getting underway 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 2898: What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate?
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 3144: A tow consists of 8 barges: 6 jumbo barges made up 3 abreast and 2 long, with 2 standard barges abreast as lead barges. How long is this tow?
N a. 525 feet N b. 545 feet Y c. 565 feet N d. 595 feet 3232: The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to __________.
N a. hoist N b. swing Y c. stop N d. lower 3270: A vessel is tide rode when it is __________.
N a. carrying extra rudder to compensate for the current N b. necessary to adjust the course steered to allow for the current Y c. at anchor and stemming the current N d. being forced off of a pier by the hydraulic effect of the current 3588: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud N c. sand Y d. rock 3612: Buckler plates are __________.
N a. triangular-shaped plates connecting the bull chain to the topping lift Y b. metal plates secured over the tops of the hawsepipes N c. faired shell plates with curvature in two directions N d. sheets of dunnage used to prevent heavy cargo from buckling the deck plates 3645: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud Y c. very soft mud N d. sand 4115: Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for __________.
N a. procedures for accepting cargo securing devices N b. procedures for maintaining and repairing cargo-securing devices N c. record of cargo securing device inspections Y d. All of the above 4202: Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?
N a. One crane is able to work both sides of the ship. N b. One crane is able to work one end of two adjacent hatches. N c. They are more economical and weigh less. Y d. All of the above