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.
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. 94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.
N a. deck logbook Y b. official logbook N c. compass record book N d. chronometer error book 100: Which statement is ALWAYS true?
Y a. Keep clear of any line that is under a strain. N b. A line will creak, make snapping sounds, and smoke before it parts. N c. Only synthetic lines will snap back after parting. N d. Stepping on the bight of a line is safer than stepping in the bight of a line. 103: Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system. What is this called?
N a. Broaching N b. Fish tailing Y c. Squatting N d. Parallel sinkage 236: As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as __________.
N a. advance Y b. cavitation N c. edging N d. slip 320: Containers of flammable solids should be conspicuously labeled by the shipper with a __________.
N a. green label Y b. red and white label N c. orange label N d. yellow label 351: Which certificate is issued by the American Bureau of Shipping?
N a. Certificate of Inspection Y b. Load Line Certificate N c. Safety Equipment Certificate N d. Permit to Proceed for repairs 357: What does the proof test load of an anchor chain demonstrate?
N a. Breaking strength of the chain Y b. Strength of the chain to a specified limit N c. Adequate holding power for new bottom conditions N d. Safe working load of the chain 362: A towing vessel is tripped when __________.
N a. it is overtaken by the tow Y b. it is pulled sideways by the tow N c. the weight of the towing hawser causes loss of maneuverability N d. the propeller is fouled by the towing hawser 466: A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you __________.
N a. reverse port engine, apply right rudder N b. reverse port engine, rudder amidships Y c. reverse starboard engine, apply right rudder N d. reverse starboard engine, rudder amidships 502: 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?
N a. Z (FLASH) Y b. O (IMMEDIATE) N c. R (ROUTINE) N d. P (PRIORITY) 583: Which factor(s) must you consider when making up a towing bridle?
N a. The horsepower of the tug N b. The desired amount of swing in the tow hook up N c. The weight of the tow Y d. All of the above 599: When stripping a tank, excessive air in the suction line may cause __________.
N a. an over pressurized line N b. back pressure Y c. loss of suction N d. increase of suction 644: The "lay" of a line refers to __________.
N a. its normal location of stowage Y b. the direction of twist in the strands N c. the manner in which it is coiled N d. the manner in which it is rigged 655: Good seamanship while towing in heavy weather requires all of the following EXCEPT __________.
N a. reducing speed to reduce surging on the towline N b. lashing down or stowing all loose gear N c. dogging all hatches and watertight doors Y d. streaming all of your towing hawser 687: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?
N a. The vessel's agent N b. The owner of the vessel N c. The Master of the vessel Y d. Any one of the above 693: The effect of excessive catenary in shallow water may be __________.
N a. dragging the towing hawser along the bottom and chafing it N b. snagging sunken or submerged objects N c. slowing, stopping or endangering the towing operation by placing the tug in irons Y d. All of the above 855: Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?
N a. The owner of the vessel N b. The company operating the vessel Y c. The Master of the vessel N d. The company chartering the vessel 890: A term applied to the bottom shell plating in a double-bottom ship is __________.
N a. bottom floor Y b. outer bottom N c. shear plating N d. tank top 893: Considering the manning requirements for U.S. vessels, your three watch cargo vessel has a deck crew of 20 people, exclusive of the officers. How many of these people do the manning regulations require to be Able Seamen?
Y a. 13 N b. 10 N c. 7 N d. 5 914: When natural fiber rope gets wet, the __________.
N a. overall strength of the line will decrease Y b. line shrinks in length N c. line will become more elastic N d. line will be easier to handle 1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.
Y a. for that sailor to feed the hauling part through a bosun's chair hitch N b. to lead the hauling part to a cleat on the mast and slacking the sailor down N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight 1078: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.
N a. one year imprisonment or $500 Y b. two years imprisonment or $1000 N c. two years imprisonment or $1500 N d. two years imprisonment or $2000 1150: In ship construction, frame spacing is __________.
N a. greater at the bow and stern Y b. reduced at the bow and stern N c. uniform over the length of the vessel N d. uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses 1182: Your vessel must moor port side to a berth limited by vessels ahead and astern using a single tug. You are stemming a slight current and there is a light breeze of the dock. Your tug should be made up to the vessel's __________.
N a. stern on a hawser N b. quarter N c. waist Y d. bow 1230: Which statement concerning solid floors is TRUE?
N a. They must be watertight. Y b. They may have lightening, limber, or air holes cut into them. N c. They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end. N d. They are lighter than open floors. 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1305: What is an advantage of the 6X19 class of wire rope over the 6X37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better for towing N c. More resistance to elongation Y d. More resistance to corrosion 1311: Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit for each __________.
N a. alien crewmember N b. crew member Y c. nonresident alien crewmember N d. unlicensed crew member 1341: The owners of the S.S. Short Haul agree to a charter with the Longsplice Steamship Company. The owners stipulate in the charter party that the regular Master must be employed as the vessel's Master for the entire life of the contract. Which charter has been affected?
N a. Bareboat N b. Lease Y c. Time N d. Voyage 1426: Forty-five fathoms is marked on the anchor chain by __________.
N a. one turn of wire on the first stud from each side of the detachable link N b. two turns of wire on the second stud from each side of the detachable link Y c. three turns of wire on the third stud from each side of the detachable link N d. four turns of wire on the fourth stud from each side of the detachable link 1452: The helm command "Check her" means __________.
N a. test the steering control N b. read the compass heading N c. stop the swing using hard over rudder Y d. slow the swing using moderate rudder 1460: Weight concentration in which area will cause a vessel's bottom to be subjected to tension stresses?
N a. Aft Y b. Amidships N c. At both ends N d. Forward 1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.
Y a. constructive total loss N b. salvage loss N c. actual loss N d. preferred loss 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. 1771: The agency which assigns load lines and issues Load Line Certificates is the __________.
Y a. American Bureau of Shipping N b. Secretary of Commerce N c. U.S. Customs N d. U.S. Coast Guard 1798: You are on a single-screw vessel with a left-handed propeller making no way in the water. How will your vessel react when you apply right rudder?
N a. Bow will kick to starboard N b. Bow will kick to port Y c. Rudder alone has no effect on the vessel N d. Stern will kick to port, then slowly swing to starboard 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 1842: The knot shown lettered W is a __________. (DO30DG )
N a. clove hitch Y b. square knot N c. barrel hitch N d. stopper knot 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 1962: The maximum draft to which a vessel can legally be submerged is indicated by the __________.
Y a. load line mark N b. Certificate of Inspection N c. Muster List ("Station Bill") N d. tonnage mark 2052: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 2060: In polar regions you should NOT expect to see __________.
N a. mirage effects N b. sea smoke Y c. extensive snowfall N d. false horizons 2120: Wale shores would be used when dry docking a vessel with __________.
N a. tumble home Y b. excessive deadrise N c. excessive trim N d. a list 2267: The knot lettered K in illustration DO30DG is a __________. (DO30DG )
Y a. sailmaker's whipping N b. carrick bend N c. barrel hitch N d. stopper 2451: A safety shackle is identified by its __________.
N a. shape Y b. pin N c. certification stamp N d. color code 2499: Single hull vessels operating exclusively on the Great Lakes must be dry docked at intervals not to exceed __________.
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 2707: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. N b. A seaman is injured and in the hospital for four days. Y c. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N d. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. 2772: The Coordinator Surface Search (CSS) in a SAR situation should display by night __________.
N a. deck lights forward and aft N b. a white light over two red lights N c. a red light, white light, and blue light in a vertical line Y d. a distinctive signal promulgated by the CSS 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 2879: The vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System is known as __________.
N a. Mean Sea Level Datum Y b. International Great Lakes Datum N c. Great Lakes Low Water Datum N d. North Central Reference Datum 2938: Which statement concerning storm surges on the Great Lakes is FALSE?
Y a. They are common along the deeper areas of the lakes. N b. They cause rapid differences in levels between one end of the lake and the other. N c. The greatest water level difference occurs when the wind is blowing along the axis of the lake. N d. If the wind subsides rapidly, a seiche effect will most likely occur. 3048: The proximity of pack ice may be indicated by __________.
N a. changes in seawater salinity Y b. glare on clouds on the horizon N c. changes in air temperature N d. icebergs 3062: How should you signal the crane operator to swing?
N a. With both arms extended out and palms down, move arms back and forth. N b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. Y c. Extend arm and point finger in the direction to move the boom. N d. Place both fists in front of the body with the thumbs pointing outward. 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 4011: Under defense plans, operation of electronic aids may be temporarily suspended with __________.
N a. thirty (30) day's notice N b. a week's notice N c. one day's notice Y d. no notice 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 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle 4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block