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.
66: Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?
N a. With the wind from ahead N b. With the wind off the port beam N c. With the wind off the starboard beam Y d. With the wind from abaft the beam 115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
N a. injury is the result of misconduct N b. injury results in loss of life only N c. injured need first aid Y d. injured is incapacitated 364: A long ton is __________.
N a. 1,000 pounds N b. 2,000 pounds Y c. 2,240 pounds N d. 2,400 pounds 371: In the United States, the load line markings are set by the __________.
Y a. American Bureau of Shipping N b. Coast Guard N c. Federal Maritime Board N d. IMO 375: The best line for towing small vessels is __________.
N a. three strand nylon Y b. double-braided nylon N c. polypropylene N d. manila 385: 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. 498: When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
N a. energize the exhaust blowers N b. energize the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 540: 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 bitts 556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
N a. both engines ahead and helm N b. one engine only Y c. port engine ahead and the starboard engine astern N d. both engines astern and use helm 715: 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 effective 719: Most crude oils are classified as grade __________.
N a. A or B N b. B Y c. C or D N d. E 781: The trim and stability booklet must be approved by the __________.
N a. International Maritime Organization N b. National Cargo Bureau N c. Society of Naval Architects and Marine Engineers Y d. United States Coast Guard 820: A partial deck in a hold is called a(n) __________.
N a. weather deck Y b. orlop deck N c. shelter deck N d. main deck 879: Centrifugal pumps have what advantage(s) over reciprocating pumps?
N a. They are less expensive. N b. They are smaller for equivalent pumping ability. N c. They pump more cargo in less time. Y d. All of the above 899: When must the owner or Master of a towing vessel retest a towline or remove it from service?
Y a. When the record of its material condition lapses for 3 months or more. N b. After it jams on the towing winch. N c. After it drags on the bottom. N d. When it has not been used for over 60 days. 920: A vessel's light displacement is 12,000 tons. Its heavy displacement is 28,000 tons. When fully loaded it carries 200 tons of fuel and 100 tons of water and stores. What is the cargo carrying capacity in tons?
N a. 11,700 tons Y b. 15,700 tons N c. 16,000 tons N d. 27,700 tons 966: When a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing, the boat has __________.
Y a. broached N b. pitchpoled N c. trimmed N d. yawed 997: When steering by hand, which of the following may be a functional input to the steering gear as a result of turning the wheel?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1019: A tank holds 400 tons of sea water when filled. How many tons of liquid of specific gravity 0.9300 will it hold when filled to 90% capacity?
Y a. 326.6 N b. 343.2 N c. 377.6 N d. 390.2 1034: You are the licensed operator of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand the language commonly used onboard the vessel?
N a. 100% Y b. 75% N c. 65% N d. 50% 1247: You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Your first action should be to __________.
Y a. countermand the order and immediately notify the Master N b. make an appropriate entry in the deck log concerning the Pilot's order N c. immediately call the Master and await further orders from him N d. immediately sound a short ring on the general alarm 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 1291: "Free pratique" means that __________.
N a. clearance requirements for all regulatory bodies have been met Y b. health requirements have been met and no further quarantine formalities are required N c. shipment will be made at no cost N d. tonnage taxes are not required to be paid 1481: A fire has damaged 20 bales of cotton on a freighter loaded with general cargo. This claim would come under __________.
N a. constructive total loss N b. general average Y c. particular average N d. total loss of a part 1541: Which act would be considered barratry?
N a. A criminal act committed by a crew member ashore in a foreign port Y b. A criminal act committed by the ship Master in violation of his duty to the shipowner N c. Theft of cargo by longshoremen N d. Smuggling with the connivance of the shipowner 1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.
N a. the same ratio N b. more chain for each fathom of depth Y c. less chain for each fathom of depth N d. two anchors with the same ratio of chain 1809: The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.
Y a. falls are at an equal angle to the horizontal N b. stay fall is vertical N c. stay fall is at a greater angle to the horizontal than the yard fall N d. yard fall is at a greater angle to the horizontal than the stay fall 1810: Using the graph shown, if the dry bulb temperature is 98°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )
N a. 87% N b. 84% N c. 79% Y d. 65% 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 1914: You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?
N a. Clove Hitch N b. Fisherman's Bend Y c. Bowline N d. Round-turn and two half hitches 1960: The knot lettered G in the illustration is a __________. (DO30DG )
N a. round turn and two half hitches Y b. fisherman's bend N c. timber hitch N d. barrel hitch 1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?
N a. Worm that part of the line. N b. Splice that part of the line. Y c. Cover it with chafing gear. N d. Install a cleat. 1980: What is the name of the mark indicated by the letter C? (DO03DG )
Y a. Fresh water line N b. Tropical water line N c. Summer water line N d. Winter North Atlantic water line 2153: The shipping papers for the products being carried in your tankship are NOT required to contain the __________.
Y a. exact quantity of the cargoes N b. grades of the cargoes N c. location of the delivery point(s) N d. name of the consignee(s) 2185: You are using tackle number 7 to lift a weight of 100 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 )
N a. 200 lbs. N b. 150 lbs. N c. 110 lbs. Y d. 55 lbs. 2214: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 90°? (D034DG )
N a. 820 yards Y b. 870 yards N c. 930 yards N d. 975 yards 2224: When improperly tied, which knot shown is called a granny or thief's knot? (D030DG )
N a. F N b. M N c. R Y d. W 2292: The biggest problem encountered when towing bridle legs are too short is __________.
N a. retrieval N b. adjusting tension Y c. excessive strain N d. hookup to main towline 2293: As defined in the regulations governing marine casualties a "marine employer" may be the __________.
N a. owner N b. agent N c. Master Y d. All of the above 2341: The grooved wheel inside a block is called a __________.
N a. cheek N b. gypsy Y c. sheave N d. drum 2376: A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?
N a. On top of #1 hatch N b. Beside the hatches, forward of the midships house N c. On top of the hatch immediately forward of the midships house Y d. On top of the hatch immediately aft of the midships house 2476: At the outbreak of war your ship is caught in an enemy port. Which statement is FALSE?
N a. You should attempt to contact U.S. Consular officials. N b. You should attempt to clear for sea before your ship is interned. Y c. You should resist boarding by local officials. N d. You should try to send a Ship Hostile Action Report to the NGA (formerly NIMA). 2502: A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the __________.
N a. port and starboard strings N b. outer strings Y c. drag strings N d. side strings 2616: You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters, fuel barges, etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?
N a. No credentials are required since you operate on inland waters only N b. Social Security card N c. State driver's license with photo ID Y d. Merchant Mariner's Document 2688: What would have the greatest affect on a vessel's longitudinal strength?
N a. Collision damage to the bow, forward of the collision bulkhead Y b. Grounding damage to the bilge strake, just aft of midships N c. Extensive corrosion to the centerline deck plating N d. Damage to the side shell, midway between the bilge and the stringer plate 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 2714: The major components which determine the length of catenary in a deployed anchor cable are cable tension, cable weight, and __________.
N a. water density N b. bottom conditions N c. environmental forces Y d. water depth 2870: A single-screw vessel going ahead tends to turn more rapidly to port because of propeller __________.
N a. discharge current N b. suction current Y c. sidewise force N d. thrust 2920: You are on a large vessel fitted with a right-handed controllable-pitch propeller. When making large speed changes while decreasing pitch, which statement is TRUE?
N a. You will probably have full directional control throughout the speed change. Y b. You may lose rudder control until the ship's speed has dropped to correspond to propeller speed. N c. The stern will immediately slew to starboard due to unbalanced forces acting on the propeller. N d. The stern will immediately slew to port due to unbalanced forces acting on the propeller. 3069: Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.
N a. require loading operations to be shut down until the atmosphere clears N b. are toxic to human life N c. are subject to spontaneous combustion Y d. may be explosive in some concentrations 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 3143: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. Y b. Certificates of Discharge are not required to be issued. N c. Able seamen are required in the deck crew. N d. All crew members shall have Merchant Mariner's Documents. 3171: A high cube container would most likely be used to stow __________.
N a. dense bulk cargoes Y b. household appliances N c. fragile cargoes N d. heavy industrial machinery 3309: Catenary as applied to tow lines denotes the __________.
Y a. dip of the line N b. stretch of the line N c. strain on the line N d. length of the line 3330: When towing astern, chafing gear should NOT be used on a hawser which is __________.
N a. attached to an "H" bitt Y b. attached to an automatic towing engine N c. held amidships by a gob rope N d. connected to a swivel 3580: You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
Y a. Obey the Master. N b. Obey the Pilot. N c. Bring the rudder to a position midway between the two conflicting orders. N d. Ask the Pilot if he relinquishes control. 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. 4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?
N a. Layout of decks N b. Vertical clearances N c. Tie-down and lashing Y d. All of the above 4209: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Slew travel limits N b. Turntable limits N c. Luff travel limits Y d. All of the above 4240: It is the responsibility of the crane operator to, at all times, be aware of the location of the __________.
N a. load N b. hook N c. boom Y d. All of the above