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.
176: The turning circle of a vessel is the path followed by the __________.
N a. tipping center N b. bow N c. outermost part of the ship while making the circle Y d. center of gravity292: Stress on the topping lift of a swinging boom can be reduced by __________.
N a. rigging a back stay Y b. raising the boom N c. increasing the mechanical advantage of the cargo purchase N d. taking all slack out of the preventer385: In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator?
N a. The clean tanks should be ballasted. Y b. The slops should be allowed time to settle. N c. Chemicals should be added to emulsify the oil. N d. The dirty ballast tank is crude oil washed.426: You are stopped with no way upon your vessel at the pilot station. Your vessel is a large twin-screw ship. You must come around 180° to board your Pilot. How should you use the engines and rudder to turn the ship fastest in the least amount of space?
N a. Full ahead on the engines and hard over rudder N b. Full ahead on one engine, full astern on the other Y c. Half ahead with hard over rudder, then full astern on inboard engine N d. Slow ahead with hard over rudder487: One method of removing kinks from fiber rope is to __________.
N a. coil the line against the lay Y b. tow the line astern until it straightens N c. stretch the line until it reaches its elastic limit N d. cut out each kink and splice512: When paying out nylon line from around the bitts __________.
Y a. stand clear of the bitts and use two or more round turns under your figure eights N b. you can surge the line even with a single turn N c. no extra turns are necessary since nylon has a high coefficient of friction N d. stand in the bight of the line528: Determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (16°C). (D008DG )
N a. 14°F N b. 20°F N c. 28°F Y d. 50°F540: As seen from the tow, what should connect the leading ends of both towing bridle legs to the main towing hawser?
N a. A cable clamp Y b. A fishplate, flounder, or towing plate N c. A pad eye N d. The towing bitts546: A twin-screw ship going ahead on the starboard screw only tends to move __________.
N a. in a straight line Y b. to port N c. from side to side N d. to starboard715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight944: When caring for natural-fiber line, you should NEVER __________.
N a. dry the line before stowing it Y b. lubricate the line N c. protect the line from weather N d. slack off taut lines when it rains1050: The "margin plate" is the __________.
Y a. outboard strake of plating on each side of an inner bottom N b. outer strake of plating on each side of the main deck of a vessel N c. plate which sits atop the center vertical keel N d. uppermost continuous strake of plating on the shell of a vessel1138: A vessel arrives in the port of Los Angeles from a foreign port and discharges some of its inward foreign cargo. What additional manifest is required?
N a. Discharge Manifest N b. Inward Foreign Manifest N c. Pro Forma Manifest Y d. Traveling Manifest1145: You are on watch at night in clear visibility and the vessel has just been anchored. The first thing that you should do after the anchor has been let go is to __________.
N a. stop the engines Y b. take bearings to obtain ship's position N c. turn off the running lights and turn on the anchor lights N d. lower the accommodation ladder and illuminate it1176: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped over the ground?
N a. The ship's log reads zero N b. The backwash of the propeller reaches amidships Y c. An azimuth bearing on the beam remains steady N d. All of the above1202: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises from __________.
N a. an act of war Y b. lack of ventilation in transit N c. perils of the sea N d. an error in navigation1242: You are a watchstanding mate and have come to the bridge to relieve the watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change Y b. during a navigational course change N c. unless the helm is in the "hand" mode N d. All of the above1380: The deck beam brackets of a transversely framed vessel resist __________.
N a. hogging stresses N b. sagging stresses Y c. racking stresses N d. shearing stresses1403: 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 above1406: How many fathoms are in a shot of anchor cable?
N a. 6 Y b. 15 N c. 20 N d. 301463: On a small boat, which knot is best suited for attaching a line to the ring of an anchor?
N a. Clove hitch N b. Figure-eight knot Y c. Fisherman's bend N d. Overhand knot1544: 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 rope1562: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. N b. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N c. Storm damage to the cargo winch motors requires repairs costing $19,000. Y d. Your vessel is at anchor and grounds at low tide with no apparent damage.1583: Which statement concerning a short splice is TRUE?
N a. It is used to temporarily join two lines together. Y b. A short splice is stronger than two lines joined by a knot. N c. A short splice decreases the diameter of the line. N d. None of the above1609: For vessels fitted with cargo gear, an initial test of the units under a proof load shall be conducted. Subsequent tests and exams of the same nature shall be carried out at what time interval?
N a. 1 year N b. 3 years N c. 4 years Y d. 5 years1636: When anchoring a vessel under normal conditions, which scope of chain is recommended?
N a. Four times the depth of water N b. Two and one-half times the depth of water Y c. Five to seven times the depth of water N d. Fifteen times the depth of water1693: What is the stress on the hauling part when lifting a 4900 lbs. weight using a twofold purchase rove to least advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 980 lbs. N b. 1225 lbs. Y c. 1715 lbs. N d. 1837 lbs.1736: Before letting the anchor go, you should check that the __________.
N a. chain is clear N b. anchor is clear of obstructions N c. wildcat is disengaged Y d. All of the above1821: While towing, what is the principal danger in attempting to swing a barge on a short hawser in order to slow the barge's speed?
N a. The barge may capsize from the sharp turn. Y b. The barge may swing too quickly and run over the tug. N c. Free surface effect 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.1856: When passing a hawser to the dock you would first use what line?
N a. Gantline Y b. Heaving line N c. Preventer N d. Warp2038: With a large ocean tow in heavy weather, you should NOT __________.
N a. keep the stern of the tug well down in the water Y b. adjust the towline so the tug is on the crest when the tow is in the trough N c. keep the low point of the catenary in the water N d. use a long towing hawser2040: 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. ceiling2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.
Y a. anchor may be dropped from the hawsepipe N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered N d. scope should be less than 3 times the depth of the water2156: You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure the helmsman __________.
Y a. obeys the Master N b. obeys the Pilot N c. brings the rudder to a position midway between the two conflicting positions N d. asks the Pilot if he has relinquished control2162: A crew has signed on for a 3-month voyage. Fourteen days into the voyage a seaman is improperly discharged at the first port of call. How much pay is he entitled to receive?
N a. 14 days N b. 1 month's Y c. 14 days and one month's extra N d. double wages (28 days)2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Blot out the error completely and rewrite the entry correctly. N b. Carefully and neatly erase the entry and rewrite it correctly. Y c. Cross out the error with a single line, write the correct entry, and initial it. N d. Remove this page of the log book and rewrite all entries on a clean page.2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 42259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )
N a. 490 yards N b. 350 yards Y c. 800 yards N d. 885 yards2262: Which statement about the carriage of solid hazardous materials in bulk is TRUE?
N a. A special permit issued by the Coast Guard is required before the cargo is loaded. Y b. The loading of the cargo must be conducted under the direction and observation of a person employed or assigned for that purpose. N c. A certificate issued by ABS will be accepted as evidence that the vessel complies with all applicable loading regulations. N d. The shipping papers must indicate the primary hazardous characteristic or property of the material.2322: Fittings used for towing must be __________.
N a. Coast Guard approved N b. stamped with maximum working loads Y c. securely fastened N d. positioned exactly at the bow of the towed vessel2470: 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 sand2602: As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?
N a. Plain-laid N b. Shroud-laid Y c. Left-hand laid N d. Water-laid2666: On the Great Lakes, short-term fluctuations in water levels may be a result of any of the following EXCEPT __________.
N a. strong winds N b. sudden changes in barometric pressure N c. seiches Y d. below normal rain fall2676: Who cannot commit the crime of barratry?
N a. Master N b. Ship's officer(s) N c. Ship's unlicensed crewmember(s) Y d. Ship owner2702: How long is the standard container used to measure equivalent units?
N a. 10 feet (3 meters) Y b. 20 feet (6 meters) N c. 35 feet (11 meters) N d. 40 feet (12 meters)2744: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (India) to signify that "___________________".
N a. I am altering my course to starboard Y b. I am altering my course to port N c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water2745: While standing look-out at night, a dim light on the horizon will be seen quickest by looking __________.
Y a. a little above the horizon N b. directly towards the light N c. a little below the horizon N d. quickly above then quickly below the horizon2782: What is a wet cargo?
N a. A liquid cargo carried in the deep tanks Y b. A canned or bottled liquid such as beer N c. A cargo that contains hygroscopic moisture N d. A cargo particularly susceptible to damage by moisture3206: The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________.
Y a. lower the boom and raise the load N b. lower the load and raise the boom N c. raise the boom and lower the load N d. raise the load and lower the boom3323: 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?
N a. P (PRIORITY) Y b. O (IMMEDIATE) N c. R (ROUTINE) N d. Z (FLASH)3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line3432: A vessel is wind rode when it is __________.
Y a. at anchor and heading into the wind N b. backing into the wind N c. carrying lee rudder N d. necessary to apply a leeway correction to the course3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in 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 stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°.4042: You are on a 120,000 DWT loaded bulk carrier. What is the maximum safe docking speed when coming alongside?
N a. 0.1 foot per second (0.06 knot) Y b. 0.2 foot per second (0.12 knot) N c. 0.5 foot per second (0.30 knot) N d. 0.75 foot per second (0.44 knot)4102: What characterizes a Ro-Ro vessel?
N a. May carry up to 24 passengers Y b. High freeboard and sail area N c. Long port stays required for cargo securing N d. Lightweight securing equipment trailers4121: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. rolling N b. pitching N c. heaving Y d. All of the above4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Buckle tensioner Y c. Adjust-a-matic tensioner N d. Ratchet tensioner4210: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Luff rate limits Y b. Slew travel limits N c. Swivel power limits N d. Slew rate limits4440: You are standing the wheelwatch when you hear the cry, "Man overboard, starboard side". You should instinctively __________.
N a. give full left rudder N b. throw a life ring to mark the spot N c. put the rudder amidships Y d. give full right rudder