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.
14: Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this, you should __________.
Y a. install shoring so the shoring supports the damaged bulkheads without pushing on them N b. install shoring so that it pushes on the damaged bulkhead while supporting it N c. use jacks or chain falls to remove the set before installing shores N d. place sandbags by the bulkhead without installing shores 70: You are on a tankship designed to carry molten sulfur. Which statement is TRUE?
N a. There must be two portable toxic vapor detectors on board. N b. The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. Y c. Cargo temperature may be taken by portable thermometers. N d. The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. 253: The forward movement of a vessel in one revolution of its propeller is measured by __________.
N a. advance N b. head reach Y c. the pitch N d. transfer 300: On which form do you provide a written report of Marine Casualty to the nearest Coast Guard Marine Safety Office?
N a. DD 214 Y b. CG 2692 N c. DOT 211 N d. CG 5511 340: Argon is classified as a __________.
N a. corrosive N b. flammable gas N c. flammable liquid Y d. nonflammable gas 395: The vertical motion of a floating vessel in which the entire hull is lifted by the force of the sea is known as __________.
N a. surge N b. sway Y c. heave N d. pitch 419: A cargo of 10,000 barrels of gasoline is loaded at a temperature of 90°F, and a cargo temperature of 55°F, is expected on this voyage. It has a coefficient of expansion of .0006. How many barrels would you expect to discharge at your destination?
Y a. 9790 N b. 9994 N c. 10210 N d. 10410 452: Where should the foundation supports for towing bitts terminate?
N a. Forward of the towing winch Y b. In the frames or other substantial structural members below decks N c. On the deck plates in the engineroom N d. On deck, aft of the towing winch 454: A rope ladder with wooden rungs is a __________.
N a. drop ladder N b. life ladder Y c. Jacob's ladder N d. jury ladder 456: You are conning a twin-screw vessel going ahead with rudders amidships. If the port screw stops turning the bow will __________.
Y a. go to port N b. go to starboard N c. not veer to either side N d. go first to port and then to starboard 480: What is NOT a requirement for the preparation of used, gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo?
N a. The engine must be run until it dies from lack of fuel. Y b. The fuel tank must be inerted with CO2. N c. The ignition key may not be in the ignition. N d. The vehicle must be inspected for fuel leaks. 629: You are planning to use a crude oil washing system. What precaution must be taken with the source tank for the washing machines?
Y a. At least one meter must be decanted from the source tank. N b. The oil in the source tank must be sampled for compatibility. N c. The source tank must have been crude oil washed at least once in the past 150 days. N d. The inert gas system must lower the oxygen content in the source tank to a maximum of 12%. 673: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )
N a. shore line Y b. breast line N c. spring line N d. stern line 709: The designations A,B,C,D, and E grades of cargo refer to the __________.
N a. degrees of quality of petroleum products Y b. flash point range and Reid vapor pressure index of petroleum products N c. grades of crude oil N d. pour point, color, and viscosity index of petroleum products 770: The ratio of the height of a vessel's rudder to its width is referred to as the __________.
Y a. aspect ratio N b. constriction ratio N c. rudder ratio N d. steering ratio 783: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ___________ .
N a. evaluate the danger of each closing visual or radar contact N b. adjust speed with due regard for the weather and visibility Y c. reduce speed only where local speed limits are posted N d. enter all required test and inspection results in the vessel's log or other record carried on board 887: The condition of a towline must be monitored by ______________ .
N a. keeping record of the towline's initial minimum breaking strength N b. keeping record of each retest of the towline's minimum breaking strength N c. conducting routine visual inspections of the towline Y d. All of the above 911: Which entry is NOT required in the Official Logbook?
N a. Steering gear tests N b. Position of the load line and freeboard upon sailing Y c. Commencement and termination of cargo operations N d. Closure of hatches and sideports upon sailing 981: When a vessel is entering or leaving a port, a record of engine speeds is kept in the __________.
Y a. bell book N b. deck rough log N c. Official Logbook N d. engine rough log 982: The muster list must be posted in conspicuous locations and signed by the __________.
N a. safety officer N b. Coast Guard Officer approving the bill N c. owner Y d. Master 992: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)
N a. 29.49 numeral Y b. 31.97 numeral N c. 33.61 numeral N d. 35.12 numeral 1000: The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.
Y a. weather adjustments N b. hand-electric steering N c. automatic gyro N d. non-followup control 1210: To rigidly fasten together the peak frames, the stem, and the outside framing, a horizontal plate is fitted across the forepeak of a vessel. This plate is known as a(n) __________.
N a. apron plate Y b. breasthook N c. intercostal plate N d. joiner 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. 1243: You are on watch at sea and find it prudent to call the Master to the bridge due to traffic congestion. The moment that the Master officially relieves you of the conn is whenever __________.
N a. a watchstander announces "Captain's on the bridge" N b. you call the Captain to the bridge in a traffic situation Y c. the Master specifically informs you that he has the conn N d. the Captain states the course being steered 1260: The function of the bilge keel is to __________.
Y a. reduce the rolling of the vessel N b. serve as the vessel's main strength member N c. add strength to the bilge N d. protect the vessel's hull when alongside a dock 1374: Which type of stopper should be used to stop off wire rope?
Y a. Chain N b. Manila N c. Polypropylene N d. Wire 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 1540: In ship construction, keel scantlings should be the greatest __________.
N a. at each frame Y b. amidships N c. one-third the distance from the bow N d. one-third the distance from the stern 1543: Which is normally used to hold wire rope for splicing?
N a. Come along N b. Jigger Y c. Rigger's screw N d. Sealing clamp 1555: When carrying out a parallel track search pattern, the course of the search units should normally be which of the following?
Y a. In the same direction as the anticipated drift N b. In the opposite direction of the anticipated drift N c. Perpendicular to the line of anticipated drift N d. Downwind 1595: Which picture represents a barrel hitch? (DO30DG )
Y a. O N b. U N c. E N d. P 1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.
N a. to starboard Y b. to port N c. straight ahead N d. as influenced by the tide and sea 1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.
N a. cover plate N b. joiner N c. lap strake Y d. stealer plate 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 1938: Towing a structure using two tugs approximately side by side, each using one hawser, is referred to as a __________.
N a. tandem tow N b. Honolulu tow Y c. breasted tug tow N d. tandem tug tow 2117: When a vessel is involved in a casualty. The cost of property damage includes the __________.
Y a. cost of labor and material to restore the vessel to the service condition which existed before the casualty N b. loss of revenue while the vessel is being repaired, up to a maximum of $50,000 N c. damage claims awarded to individuals or companies involved in the casualty N d. All of the above 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 2197: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.
N a. Crew list N b. fo'c'sle card Y c. Certificate of Inspection N d. Articles of Agreement 2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )
N a. E Y b. F N c. N N d. P 2345: A splice that can be used in running rigging, where the line will pass through blocks, is a __________.
N a. short splice Y b. long splice N c. back splice N d. spindle splice 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. 2574: You are proceeding down a channel and lose the engine(s). You must use the anchors to stop the ship. Which statement is true?
N a. Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold. N b. For a mud, mud and clay, or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake. Y c. Use one or both anchors with a scope of twice the depth before setting the brake. N d. Drop the anchor to short stay and hold that scope. 2708: Which statement is TRUE with respect to the load line markings shown. (D031DG )
Y a. A vessel displaying these marks may load in the salt waters of the St. Lawrence River. N b. Vessels engaged solely on Great Lakes voyages are not required to show these marks. N c. U.S. flag vessels less than 100 feet in length and less than 200 gross tons are not required to show these marks. N d. U.S. flag vessels of 100 gross tons and upward must show these marks. 2858: Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller?
N a. Slightly higher fuel consumption N b. Lack of directional control when backing N c. Inefficient at high shaft RPM Y d. Some unusual handling characteristics 2860: How are riveted lap joints made watertight?
N a. The faying surfaces are coated with white lead (or similar product) before the rivets are set. N b. A sealing weld bead of 1/8" or less pitch is run along the plate edge. Y c. The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate. N d. A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets. 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3172: The signal man assisting the crane operator has his hands clasped in front of his body. This is the signal to __________.
Y a. dog everything N b. stop N c. stand-by N d. prepare for signal 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 3269: What provides little or no indication that a vessel is dragging anchor?
Y a. Changing range to an object abeam N b. Drift lead with the line tending forward N c. The cable alternates between slack and heavy tension N d. Changing bearing to a fixed distant object abeam 3338: What is used to prevent wear on towlines that bear on hard surfaces?
Y a. Chafing gear N b. Chocks N c. Grease N d. Boots 3514: Which type of anchor is depicted? (D038DG )
N a. Stock N b. Danforth Y c. Patent N d. Old-fashioned 3560: What should look-outs report?
N a. Discolored water N b. Shoals N c. Floating objects Y d. All of the above 3724: What part of the ground tackle is the most likely to develop fractures due to extensive anchor use?
N a. Anchor shank N b. Swivel Y c. Jews' harp N d. Fluke 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. 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 4117: Cargo securing for Ro-Ro is based on the concept of __________.
N a. solid packing Y b. rapid loading and discharge N c. vessel loaded full and down to her marks N d. palletized cargo 4156: Which element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Weight of the vehicles N b. Geographical area of the voyage N c. Dynamic forces under adverse weather conditions Y d. All of the above