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.
3: A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a __________.
N a. riding pawl N b. buckler Y c. devil's claw N d. locking ring 26: The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is __________.
N a. right at the bow Y b. one-third the length of the vessel from the bow N c. one-half the length of the vessel from the bow N d. two-thirds the length of the vessel from the bow 40: You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?
N a. Hose connections to the tank must be made with a minimum of three bolts. Y b. There must be water pressure on the fire main. N c. You must shut down if another vessel comes alongside. N d. If transferring at anchor, you must display a red flag by day and a red light at night. 44: You are using an automatic tension winch by yourself. If you get caught in the turns of the line as they lead into the gypsyhead __________.
N a. the safety cutout will stop the winch before you're injured N b. the line will part and snap back Y c. you may be pulled into the winch and injured or killed N d. None of the above are correct 47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 48: Which term describes goods having a stowage factor below 40?
Y a. "Deadweight" cargo N b. "Full-and-down" cargo N c. "Heavy-lift" cargo N d. "Measurement" cargo 50: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. Y c. Recommend an alternative action and if not followed relieve the Pilot. N d. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. 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 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 184: You are standing look-out duty at night. A dim light on the horizon will be seen quickest by looking __________.
N a. at an area just a little below the horizon N b. at the horizon, where the sky and water appear to meet Y c. a little above the horizon N d. well below the horizon 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. 266: The distance that a ship moves forward with each revolution of its propeller, if there is no slip, is called __________.
N a. advance N b. head reach Y c. pitch N d. transfer 299: Cargo transfer operations on a tank vessel need NOT be stopped when __________.
Y a. a tug comes alongside while the tanker is loading grade D and E cargoes N b. a large, fresh oil spill is discovered immediately adjacent to the side of the tanker N c. there is an electrical storm in the vicinity N d. there is a fire on the dock or on a nearby vessel 319: Static electricity may be built up by the __________.
N a. flow of petroleum through pipes N b. spraying or splashing of petroleum N c. settling of solids or water in petroleum Y d. All of the above 372: Keeping the draft at or below the load line mark will insure that the vessel has adequate __________.
N a. ballast Y b. reserve buoyancy N c. displacement N d. rolling periods 698: Which agency issues a certificate of loading that is evidence that the rules and regulations concerning bulk grain cargoes have been observed?
N a. American Bureau of Shipping N b. Department of Agriculture Y c. National Cargo Bureau N d. Public Health Service 769: The owner or Master of a towing vessel must ensure that each person that directs and controls the movement of the vessel knows all of the following EXCEPT ___________ .
N a. the effects of maneuvering on the vessel and its tow N b. the speed and direction of any current for the area being transited N c. how to apply variation and deviation to readings from a magnetic compass Y d. the ownership of the vessel(s) being towed 835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?
Y a. 50% N b. 65% N c. 75% N d. 100% 844: Using a safety factor of five, determine the safe working load of a line with a breaking strain of 20,000 pounds.
Y a. 4,000 N b. 5,000 N c. 20,000 N d. 100,000 862: The term "pintle" and "gudgeon" are associated with the __________.
N a. anchor windlass N b. jumbo boom Y c. rudder N d. steering engine 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 920: A vessel's light displacement is 12,000 tons. Its heavy displacement is 28,000 tons. When fully loaded it carries 200 tons of fuel and 100 tons of water and stores. What is the cargo carrying capacity in tons?
N a. 11,700 tons Y b. 15,700 tons N c. 16,000 tons N d. 27,700 tons 950: The upward slope of a ships bottom from the keel to the bilge is known as __________.
N a. camber N b. slope Y c. deadrise N d. keel height 967: While steering by autopilot you notice that the vessel is deviating from the given course and there is no follow up with corrective rudder action to return to the proper heading. The emergency operating procedure should require you to immediately change operation from __________.
Y a. "gyro" to "hand" N b. "hand" to "gyro" N c. "gyro" to "control" N d. "control" to "hand" 1039: When cleaning cargo tanks with portable machines, how is the machine grounded?
N a. Bonding wires are secured from the machine to a convenient location on deck. N b. The machines must maintain physical contact with the deck at the Butterworth opening. Y c. The water supply hoses contain internal wires that act as conductors N d. The water jets impinging on the vessel's structure form a pathway to ground. 1061: A vessel arrives at the port of San Francisco from Yokohama, Japan. The passengers fill out the Baggage Declaration and Entry form. A passenger has baggage arriving on another vessel. How must this baggage be handled for U.S. Customs purposes?
N a. It need not be declared at this time. Y b. It must be declared on the same form and marked "Unaccompanied Baggage". N c. It must be declared on another form entitled "Continuation Sheet". N d. It must be declared only if the other vessel's name is known. 1074: A new coil of nylon line should be opened by __________.
N a. pulling the end up through the eye of the coil N b. taking a strain on both ends N c. uncoiling from the outside with the coil standing on end Y d. unreeling from a spool 1131: U.S. Customs, upon boarding a vessel desiring entry into a U.S. port, would inspect which document?
N a. Cargo Manifest N b. Certified Crew List N c. Stores List Y 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 1216: It is easier to dock a right-hand, single-screw vessel __________.
N a. starboard side to the wharf N b. either side to the wharf Y c. port side to the wharf N d. stern to the wharf 1314: A wire rope rove through two single blocks with two parts at the moving block is used for a boat fall. The weight of the 100-person boat is 5 tons. Compute the required breaking strain. Safety Factor - 6, weight per person - 165 lbs., 10% friction per sheave (2 sheaves).
N a. 18.30 tons B.S. N b. 20.29 tons B.S. Y c. 22.27 tons B.S. N d. 24.31 tons B.S. 1564: What is the main reason to slush a wire rope?
N a. Keep the wire soft and manageable Y b. Lubricate the inner wires and prevent wear N c. Prevent kinking N d. Prevent rotting 1619: A periodic thorough examination of the cargo gear proves satisfactory. What percentage of the total gear must be dismantled to determine actual internal condition?
Y a. None N b. 10% N c. 25% N d. 100% 1713: The cheek length of a block in inches should be about __________.
Y a. three times the circumference of a manila line N b. five times the diameter of a manila line N c. twice the diameter of its sheaves for manila line N d. twenty times the diameter of a manila line 1803: A snatch block is a __________.
N a. block used only with manila rope N b. chock roller Y c. hinged block N d. strong block used for short, sharp pulls 1874: The label required for magnesium scrap is __________.
N a. oxidizer N b. yellow N c. corrosive Y d. None of the above 1923: Disregarding friction, a twofold purchase when rove to disadvantage has a mechanical advantage of __________.
N a. 2 N b. 3 Y c. 4 N d. 5 1930: The holding capabilities of an anchor are determined PRIMARILY by the __________.
N a. design of the anchor N b. weight of the anchor Y c. scope of the anchor chain N d. size of the vessel 1966: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow N b. bridge Y c. center of gravity N d. centerline 1984: Your load line certificate expires on 27 May 1988. The vessel is surveyed on that date and is found satisfactory. You are sailing foreign the same day. Which statement is TRUE?
N a. A new certificate must be issued before you sail. N b. The existing certificate is endorsed as valid for a five year period commencing 27 May 1988. Y c. The existing certificate is extended for a period of up to 150 days. N d. The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor. 2157: You are in a fresh water port loading logs with gear rated at 5 tons, and suspect the weight of the logs exceeds the SWL of the gear. The logs are floating in the water alongside the vessel and have 95% of their volume submerged. The average length of the logs is 15 feet and the average diameter is 4.4 feet. What is the nearest average weight of the logs, based on these average measurements?
N a. 5.5 tons Y b. 6.0 tons N c. 7.7 tons N d. 24.1 tons 2390: Determine the weight of a rectangular piece of 20.4 lb. steel measuring 4 feet by 6 feet.
N a. 204.0 lbs. Y b. 489.6 lbs. N c. 734.4 lbs. N d. 979.2 lbs. 2470: Which type of bottom provides most anchors with the best holding ability?
N a. Clay and rocks N b. Soft mud Y c. Sandy mud N d. Soft sand 2479: Which type of weld testing can be used to detect internal flaws?
N a. Magnetic particle N b. Dye penetrant Y c. Ultrasonic N d. Chemical reaction 2608: Most very large ocean going vessels, such as bulk carriers and large tankers, tend to squat __________.
Y a. by the bow N b. by the stern N c. at the end nearest the bottom N d. evenly fore and aft 2694: When relieving the helm, the new helmsman should know the __________.
N a. gyro error Y b. course per magnetic steering compass N c. variation N d. maximum rudder angle previously used 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 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 2930: A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?
Y a. When dead in the water, it is often difficult to find the neutral position and slight headway or sternway may result. N b. When going directly from full ahead to full astern, there is complete steering control. N c. When the vessel has headway and the propeller is in neutral, there is no effect on rudder control. N d. When maneuvering in port, full ahead or astern power can usually be obtained without changing shaft RPM. 2996: Advection fog, a common occurrence on the Great Lakes, forms when __________.
N a. air comes in contact with a rapidly cooling land surface N b. frigid arctic air moves across the lakes and becomes saturated Y c. relatively warm air flows over cooler water N d. cool air contacts warm river currents 3032: Ice is often strong enough to halt navigation through the St. Lawrence Seaway by mid- __________.
N a. October N b. November Y c. December N d. January 3141: What is NOT a securing system used on a containership?
N a. Lashing system Y b. Stacking system N c. Locking system N d. Buttress system 4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.
N a. American Bureau of Shipping Y b. local U.S. Coast Guard Captain of the Port N c. National Cargo Bureau N d. harbormaster 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 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N d. All of the above 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 4151: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. It is NOT imperative that the securing of cargo on flats and trailers and in containers be adequate for BOTH road and sea motions. Y b. The generally recommended lash angle should not be greater than 45 degrees relative to the deck in any direction. N c. For effective securing vehicles should be stowed athwartships whenever possible. N d. It is not necessary to lash automobiles since setting the brakes is sufficient to keep them from moving. 4229: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )
N a. Boom assembly N b. Hook block assembly Y c. Rider block tagline system N d. All of the above 4246: What does "level-luffing" accomplish during crane operations?
N a. It prevents the load from swinging when the boom level is adjusted. N b. Less power is needed when topping the boom with a load on the hook. N c. It maintains the height of the load above the deck. Y d. All of the above 4276: During which condition should the operator of a pedestal crane shutdown operations?
N a. Lightning in the vicinity N b. An approaching squall line N c. A fire on the pier Y d. All of the above