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.
37: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required Pilot is TRUE?
N a. The Pilot must be licensed by either Virginia or Maryland. Y b. The Pilot need only be licensed by the Coast Guard. N c. The Pilot must be licensed by Virginia and Maryland. N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard. 80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?
N a. If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. N b. If the tanks are off loaded, no more than two tanks may be lifted together in a hoist. N c. When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored. Y d. All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe. 330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.
N a. in the radio room N b. in the ship's office Y c. on or near the bridge N d. outside the Captain's stateroom 340: Argon is classified as a __________.
N a. corrosive N b. flammable gas N c. flammable liquid Y d. nonflammable gas 383: What is TRUE of pressure/vacuum valves?
N a. They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank. N b. They should operate in advance of the pressure/vacuum breakers. N c. They should be kept in good working order by regular inspection and cleaning. Y d. All of the above 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. 544: If the winch should fail while you are hauling in the anchor, what prevents the anchor cable from running out?
N a. Chain stopper N b. Devil's claw N c. Hawse ratchet Y d. Riding pawl 568: Which statement concerning the carriage of containers is TRUE?
N a. The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port. N b. When stowed on deck of a break bulk ship, the bottom of the container must be evenly supported throughout. Y c. With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers. N d. Deck load calculations must take into account the square footage of the entire container bottom. 602: Which emergency equipment should you keep near the towing bitts?
N a. A self-contained breathing apparatus (SCBA) N b. A boat hook and a spanner wrench Y c. A fire ax and/or cutting torch N d. A Stokes litter basket 611: The Certificate of Inspection for a containership __________.
Y a. is issued by the Coast Guard and is usually valid for 2 years N b. must be posted under transparent material near the officers' licenses N c. lists all of the stability limitations and conditions imposed on the vessel N d. shows the due date of the quadrennial test of the cargo gear 619: What is NOT a requirement for the safe and effective use of a crude oil washing system?
N a. Strip all tanks and remove the bottom residue. N b. Use an inert gas system while washing tanks. Y c. Use portable washing machines to reach areas obscured by structural members in the tanks. N d. Decant one meter from the source tank for the tank cleaning machines. 700: A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the __________.
N a. steamer will drift stern downwind N b. tug will drift faster than the steamer N c. tug should approach stern to Y d. tug should approach from downwind 749: Butadiene, inhibited, is labeled as a __________.
N a. combustible liquid Y b. flammable gas N c. flammable liquid N d. flammable solid 768: A cargo of canned foodstuff is packed in cartons. Each carton is 36 cubic feet and weighs 340 pounds. The stowage factor of the cargo is __________.
N a. 9.5 N b. 62 N c. 212 Y d. 237 878: You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment?
N a. 577 N b. 602 N c. 654 Y d. 875 913: When commencing cargo operations on a container ship, one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ____________.
N a. remove an existing list that would slow down cargo operations Y b. initiate loading in conjunction with unloading at the hatch N c. improve stability during cargo operations N d. allow longshoremen easy access to the hatch 1048: You are the person in charge of a vessel involved in a marine casualty. You must notify the nearest Coast Guard Marine Inspection Office if the property damage is over __________.
N a. $1,500 N b. $10,000 Y c. $25,000 N d. $50,000 1049: You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?
Y a. Ventilate the tank to eliminate any electrostatically charged mist. N b. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank. N c. Insure that the tanks are not stripped until the final wash is started. N d. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head. 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. 1403: A vessel is involved in a casualty. The cost of property damage includes the __________.
N a. loss of revenue while the vessel is being repaired, up to a maximum of $50,000 Y b. cost of labor and material to restore the vessel to the service condition which existed before the casualty N c. damage claims awarded to individuals or companies involved in the casualty, up to a maximum of $50,000 N d. All of the above 1451: The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are) __________.
N a. that the cargo be discharged from the vessel with customary dispatch N b. that the voyage be commenced in a reasonable time N c. that the voyage be pursued over the usual and direct route Y d. All of the above 1595: Which picture represents a barrel hitch? (DO30DG )
Y a. O N b. U N c. E N d. P 1643: The splice designed to pass easily through a block is called a(n) __________.
N a. eye splice N b. short splice Y c. long splice N d. block splice 1653: Which tool is used to open the strands of fiber lines when making an eye splice?
N a. Belaying spike Y b. Fid N c. Heaver N d. Pricker 1816: Which picture shown represents a square knot? (DO30DG )
Y a. W N b. R N c. P N d. H 1835: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.
Y a. Radio Aids to Navigation (PUB 117) N b. the Coast Pilot N c. the International Code of Signals (PUB 102) N d. the Light List 1839: When relieving the helm, the new helmsman should find it handy to know the __________.
N a. leeway N b. variation in the area Y c. amount of helm carried for a steady course N d. deviation on that heading 1840: You are approaching a steamer that is broken down and are preparing to take her in tow. BEFORE positioning your vessel to pass the towline, you must __________.
Y a. compare the rate of drift between the ships N b. install chafing gear on the towline N c. secure the bitter end of the towing hawser to prevent loss if the tow is slipped N d. have traveling lizards rigged to guide the towline while it is paid-out 1857: The knot lettered T in illustration DO30DG is a __________. (DO30DG )
N a. round turn and two half hitches Y b. French bowline N c. carrick bend N d. stopper hitch 1860: A towline should be fastened to __________.
N a. the chocks at the bow of a towed vessel N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail N c. the mast of a towed sailboat Y d. a secure fitting near the bow of the towed vessel 1920: Which form of navigation may be suspended without notice under defense planning?
Y a. electronic N b. celestial N c. piloting N d. None of the above 1958: When tandem tug towing, the more powerful of the two tugs should be __________.
N a. the lead tug Y b. behind the lead tug N c. towing at a right angle to the smaller tug N d. towing at a faster speed than the smaller tug 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 2075: The knot lettered E is a __________. (DO30DG )
N a. stopper hitch N b. blackwall hitch Y c. timber and half hitch N d. bowline on a bight 2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )
Y a. A N b. B N c. C N d. D 2206: You are using tackle number 6 in illustration DO29DG to lift a weight of 300 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. 80 lbs. N b. 69 lbs. N c. 55 lbs. N d. 50 lbs. 2233: The knot lettered N as shown is a __________. (DO30DG )
N a. timber hitch N b. rolling bowline Y c. stopper N d. heaving line hitch 2272: Which knot is secure only when there is a strain on the line? (D030DG )
N a. H N b. I Y c. L N d. P 2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?
N a. 3.90 sq. ft N b. 8.67 sq. ft Y c. 34.77 sq. ft N d. 50.27 sq. ft 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. 2591: A tow astern is veering from side to side on its towline. The best way of controlling the action is to __________.
N a. trim the tow by the bow Y b. trim the tow by the stern N c. list the tow to windward N d. adjust the length of the towing bridle 2900: Which statement about Naval Control of Shipping in wartime is TRUE?
Y a. It is mandatory in wartime. N b. It is mandatory in hazardous areas and voluntary in other areas. N c. It is mandatory only for vessels sailing in convoy. N d. It is mandatory for vessels bound foreign and voluntary for vessels in the coastwise trade. 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2956: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
Y a. Z (FLASH) N b. P (PRIORITY) N c. R (ROUTINE) N d. O (IMMEDIATE) 2981: When the anchor is brought to and holding, the horizontal component of anchor cable tensions should equal the __________.
N a. displacement tonnage N b. weight forces N c. buoyancy forces Y d. environmental forces 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 3080: Which method should be used to warm up the pump turbines prior to discharge?
N a. Lock the turbine rotor and slowly bleed in steam until operating temperature is reached N b. Run the pump at high speed with the discharge valves closed N c. Run the turbine at slow speed with the pump disconnected Y d. Shut the discharge valve and run the pump at slow speed 3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?
N a. 1 3/8 inch N b. 1 1/2 inch Y c. 1 3/4 inch N d. 1 7/8 inch 3120: You are operating a 150 GT towing vessel. What is NOT required on the vessel?
N a. Certificate of Documentation N b. FCC station license N c. Your Coast Guard license Y d. Certificate of Inspection 3180: A license issued by the U.S. Coast Guard for Master of Towing Vessels is valid for __________.
N a. 2 years and must be renewed N b. 3 years and must be renewed Y c. 5 years and must be renewed N d. life and need not be renewed 3286: The signal man assisting the crane operator has his arm extended, with the thumb pointing up, and is flexing his fingers in and out for as long as the load movement is desired. This is the signal to __________.
N a. lower the boom and raise the load Y b. raise the boom and lower the load N c. lower the boom and lower the load N d. raise the boom and raise the load 3400: In a tow made up astern, the fishplate __________.
Y a. connects the hawser to the bridle N b. connects the bridle to the tow N c. keeps the hawser amidships on the tug N d. is the capping piece on the "H" bitt 3404: The signal man assisting the crane operator first taps the top of his head with his fist and then proceeds to use regular signals. This is the signal to __________.
N a. use the whip line Y b. use the main hoist N c. use the auxiliary line N d. proceed slowly 3491: You are the licensed Master of a towing vessel operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?
N a. 4 Y b. 3 N c. 2 N d. 1 3502: The point that is halfway between the forward and after perpendicular and is a reference point for vessel construction is the __________.
N a. half length N b. mid-body N c. center line Y d. amidships 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. 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4053: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you give this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) Y c. R (ROUTINE) N d. Z (FLASH) 4206: Which piece(s) of equipment is/are required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
Y a. Equalizing beam N b. Portable power swivel N c. 20-foot container spreader N d. All of the above 4215: The electrical components for each single crane are installed in its __________.
N a. crane house N b. machinery base N c. turntable Y d. All of the above