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 73: Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called __________.
Y a. floors N b. intercostals N c. girders N d. stringers 97: Chafing gear should be placed __________.
Y a. at all wearing points of mooring lines N b. at the bitter ends of all standing rigging N c. around running rigging N d. on wire rope only 192: The mooring line labeled "H" is called a(n) __________. (DO44DG )
Y a. offshore bow line N b. onshore bow line N c. offshore spring line N d. forward breast line 240: The best way to lift many small articles aboard your vessel is with a __________.
Y a. pallet N b. barrel hook N c. spreader N d. snotter 293: Which space(s) is(are) NOT exempt when measuring gross tonnage?
N a. Auxiliary machinery spaces above the deck N b. Steering gear room Y c. Cargo holds N d. Galley in a deckhouse 471: The official identification of a vessel is found in the __________.
N a. Certificate of Inspection N b. Classification Certificate N c. Load Line Certificate Y d. Certificate of Documentation 478: The moisture equilibrium chart can be used to determine the __________.
N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo 649: Before a tank is to be crude oil washed, the oxygen content in the tank must be measured at a position __________.
N a. immediately above the level of the oil N b. at the top of the tank N c. in the vent riser Y d. one meter from the deck 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 668: Which statement is correct concerning the carriage of coal in bulk?
Y a. Coal should be vented with surface ventilation only. N b. Because of its inherent vice, coal should not be loaded wet. N c. Dunnage should be placed against ship's sides and around stanchions. N d. Through ventilation, as well as surface ventilation, should be provided whenever possible. 674: Stuffer-braid rope has __________.
Y a. a yarn core N b. no core N c. three strands N d. 12 threads 695: A tug is "in irons" when held in a fixed position by __________.
N a. the weight of its tow, its being anchored, or grounded Y b. the weight of its towing hawser on the bottom N c. an adverse current N d. lack of power or an engine breakdown 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 750: On a single-screw vessel the stern frame _____________,
Y a. furnishes support to the rudder, propeller shaft, and transom frame N b. provides foundations for after mooring winches N c. provides foundations for the main propulsion engines N d. transfers the driving force of the propeller to the hull 774: The strongest of the natural fibers is __________.
N a. cotton N b. hemp Y c. manila N d. sisal 808: You are loading a cargo of cases into a hold which has a bale cubic of 44,000. The cargo consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated broken stowage is 15%. What is the maximum number of cases which can be stowed in the hold?
N a. 3096 Y b. 3116 N c. 3136 N d. 3156 883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .
N a. be appropriate to the vessel's horsepower or bollard pull N b. be strong enough to handle any static or dynamic loads expected during its service life Y c. fit any spare wire clips carried on board the vessel for repair purposes N d. be suitable for exposure to the marine environment 912: You are aboard vessel "A" in a narrow channel and the pilot is approaching vessel "B" as shown. The reason he has not previously changed course to the starboard side of the channel is __________. (DIAGRAM 37 )
N a. to avoid vessel squat in the shallower water near the bank Y b. to avoid the effects of bank cushion and bank suction N c. because there is less chance of striking submerged objects in mid-channel N d. because the current has less eddies in mid-channel 1076: You are underway in heavy weather and your bow is into the seas. To prevent pounding, you should __________.
N a. change course, in order to take the seas at an 85 degree angle from the bow Y b. decrease speed N c. increase speed N d. secure all loose gear 1122: Freeing ports on a vessel with solid bulwarks __________.
N a. prevent stress concentration in the bulwark N b. permit easy jettison of deck cargo in an emergency N c. provide openings through the bulwarks for mooring lines Y d. allow water shipped on deck to flow off rapidly 1123: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
N a. the Light List N b. the Coast Pilot N c. the International Code of Signals (PUB 102) Y d. Radio Aids to Navigation (PUB 117) 1133: To properly rig the downhaul to your stage for lowering, you must __________.
N a. take only figure eights around the horns Y b. take 2 or 3 round turns around the stage and then belay the downhaul around the horns N c. take 2 round turns around the stage and then dip the third turn to form a clove hitch N d. pass the downhaul through the bridle formed by the standing part and then take round turns 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 1163: When piloting a vessel, how are visual references used to establish a constant rate of turn?
Y a. Fixed objects that stay on the same relative bearing when the ship is turning indicate a constant rate of turn. N b. Visual references cannot be used to maintain a constant rate of turn. N c. Begin the turn when the fixed object is on the beam. N d. Keep the fixed object's relative relative bearing opening, for a constant rate of turn. 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. 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1414: A wire rope that has been overstrained will show __________.
N a. a bulge in the wire where the strain occurred Y b. a decrease in diameter where the strain occurred N c. a kink in the wire where the strain occurred N d. no visible effects of an overstrain 1421: The charterer has completed loading the vessel in 3 days instead of the 5 days agreed to in the charter party. As a result of this, the __________.
N a. shipowner may charge for two lay days Y b. charterer may receive dispatch money N c. stevedore may collect demurrage N d. consignee may be required to pay a ceaser fee 1470: Signs of racking stresses generally appear at the __________.
N a. bow and stern shell frames and plating Y b. junction of the frames with the beams and floors N c. garboard strake, at each side of the keel N d. thrust bearing of the main shaft 1694: A "whipping" is __________.
N a. a messenger N b. a stopper for nylon line N c. a U-bolt for securing a cargo whip to the winch drum Y d. turns of twine around a rope end 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1812: A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by the __________.
N a. American Bureau of Shipping N b. Occupational Safety and Health Administration N c. U.S. Coast Guard Y d. National Cargo Bureau 1880: You are using tackle number 11 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. 75 lbs. N b. 90 lbs. N c. 110 lbs. N d. 117 lbs. 1985: You are on a 165 foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?
N a. You should stop to windward of the man and drift down on him. N b. You should stop with the man on your weather beam and twist the ship up to him. Y c. A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man. N d. Ship pick up should never be used with a shallow draft vessel. 2038: 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 hawser 2039: There is a large shipment of case goods available to be loaded on your vessel. You are to load as many tons as possible in a hold which has 32,300 cubic feet left unfilled by cargo. Each case measures 2-feet high by 2-feet wide by 4-feet long and weighs 500 pounds. If you allow a broken stowage allowance of 10% of the 32,300 feet, what is the nearest whole number of tons which may be loaded?
N a. 324 tons N b. 360 tons N c. 363 tons Y d. 406 tons 2177: Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?
Y a. Lashings are always required N b. One container N c. Two containers N d. Three containers 2213: You are using tackle number 6 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. Disregarding friction, what is the mechanical advantage of this rig? (DO29DG )
N a. 11 N b. 16 Y c. 18 N d. 24 2259: 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 yards 2311: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
Y a. 10 minutes if possible N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 3 hours to start of business the following day 2466: The pillar shape that gives the greatest strength for the least weight is the __________.
N a. octagonal pillar N b. "H" Beam pillar N c. "I" Beam pillar Y d. circular type pillar 2509: What is the purpose of cant frames in steel vessels?
N a. To support the overhang of the stern Y b. To provide strength to shell plating at the stern N c. To add strength to the deck beams which support the weather decks N d. To support the plating of a cylindrical tank 2600: A smooth, tapered pin, usually of wood, used to open up the strands of a rope for splicing is called a(n) __________.
N a. batten N b. bench hook N c. awl Y d. fid 2618: Due to the nature of a vessel's construction for a particular trade, it does not fully comply with the provisions of SOLAS. Where will this be indicated?
Y a. On the Exemption Certificate N b. On the reverse of the particular SOLAS certificate affected N c. On the face of the Certificate of Inspection N d. Nowhere; the vessel must comply to engage in international trade. 2839: Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________.
N a. 4 to 1 or better N b. 5 to 1 or better Y c. 6 to 1 or better N d. 8 to 1 or better 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 3031: Before a Master relieves a Pilot of the conn, the __________.
N a. vessel must be in extremis N b. Master must request the Pilot to take corrective action N c. Master should release the Pilot from all liability Y d. Master should foresee any danger to the vessel on the present course 3039: What is NOT a problem when carrying coal?
Y a. The requirement for through-ventilation N b. The corrosion some types of coal will cause to the ship N c. Spontaneous heating N d. Generation of methane gas 3410: When "checking down" a barge using a check line you should use __________.
N a. one round turn and at least two figure-eights around the timber heads N b. at least three figure-eights around the timber heads N c. a clove hitch around one timber head Y d. at least three round turns around one timber head 4057: Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
Y a. Bow spring line N b. Inshore head line N c. Stern breast line N d. Bow breast line 4103: Which of the following is not a loading or transfer feature aboard a Ro-Ro vessel?
N a. Stern ramp and/or side ramp N b. Cargo lift N c. Hatch opening designed as a lift Y d. Stuelcken boom 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 4132: What is used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing N c. Manila rope Y d. None of these 4135: An advantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
Y a. has long life N b. is light weight N c. absorbs shock N d. has fine adjustment 4248: Which of the following statements is/are TRUE regarding crane operations?
Y a. The crane operator and signalman must be familiar with hand signals. N b. The cranes can be operated from shoreside. N c. The cranes can be operated from the bridge. N d. All of the above 4252: Which action(s) is/are included in crane operations?
N a. Normal boom stowage and shutdown operations N b. Emergency shutdown operation N c. Removing booms from stowage Y d. All of the above 4278: Which wire rope purchase(s) is/are optional with a 30-Ton pedestal crane?
N a. Hoist N b. Luff Y c. Rider block N d. All of the above