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.
112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 164: A look-out should report objects sighted using __________.
N a. true bearings N b. magnetic bearings N c. gyro bearings Y d. relative bearings 168: "Block stowage" means __________.
N a. having the cargo on pallets Y b. stowing all the cargo for a port in the same area N c. using port marks on the cargo N d. using separation cloths to separate different kinds of cargo 464: The static bollard pull of a tug is measured in tons and consists of the brake horsepower of the tug's engine divided by 100 and multiplied by a factor of __________.
N a. 0.5 Y b. 1.3 N c. 3 N d. 10 496: Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
Y a. go to port N b. go to starboard N c. remain stationary N d. suddenly drop down 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 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 688: Who would normally certify that all preparations have been made and all regulations observed prior to loading a cargo of bulk grain?
N a. American Bureau of Shipping N b. U.S. Coast Guard Y c. National Cargo Bureau N d. Master of the vessel 755: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
Y a. Accidental stranding or grounding N b. An injury requiring first aid treatment N c. Loss of bridge-to-bridge radio capability N d. Damage to property amounting to $12,500 781: 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 790: Which statement is TRUE of centrifugal pumps aboard tank vessels?
N a. They are positive displacement pumps. Y b. They are gravity-fed. N c. They produce a pulsating flow. N d. They require more maintenance than a reciprocating pump. 851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?
N a. The maintenance of an Official Logbook is optional. N b. The vessel must be on foreign articles. N c. This is considered a coastwise voyage. Y d. An Official Logbook must be maintained. 906: A snag or other underwater obstruction may form a __________.
Y a. V-shaped ripple with the point of the V pointing upstream N b. V-shaped ripple with the point of the V pointing downstream N c. small patch of smooth water on a windy day N d. smoothing out of the vessel's wake 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 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 1030: If an attempt is made to hoist a load that exceeds the capacity of an electric winch, an overload safety device causes a circuit breaker to cut off the current to the winch motor __________.
N a. when the line pull reaches the rated winch capacity Y b. after the line pull exceeds the rated winch capacity N c. after a short build-up of torque N d. immediately 1127: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Chief Engineer N b. the person about whom the entry concerns Y c. one other crew member N d. No other signature is required. 1143: When rigging a stage, the standing part should be fastened to the horns of a stage with which of the following hitches?
N a. Clove hitch N b. Timber hitch Y c. Marlinespike hitch N d. Double blackwall hitch 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 1240: Bilge keels are fitted on ships to __________.
N a. assist in dry dock alignment N b. improve the vessel's stability N c. protect the vessel from slamming against piers Y d. reduce the rolling of the vessel 1253: You are preparing to relieve the mate on watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change N b. while the Master is on the bridge Y c. during a collision avoidance maneuver N d. All of the above 1306: You are making mooring lines fast to bitts, stern to, as in some Mediterranean ports. A swell is liable to make the vessel surge. How should you tie up?
Y a. Use manila or synthetic fiber hawsers only. N b. Use wires only from the stern and each quarter. N c. Use synthetic fiber and/or manila hawsers as required. N d. Use wires from each quarter and manila hawsers from the stern. 1348: Preparation of muster lists and signing of same is the responsibility of the __________.
N a. Chief Officer of the vessel N b. owner of the vessel Y c. Master of the vessel N d. United States Coast Guard 1358: Seeing that all hands are familiar with their duties, as specified in the muster list, is the responsibility of the __________.
Y a. Master N b. Chief Mate N c. safety officer N d. department heads 1370: The strength of a deck will be increased by adding __________.
N a. camber Y b. deck beam brackets N c. hatch beams N d. sheer 1404: Galvanizing would not be suitable for protecting wire rope which is used for __________.
Y a. cargo runners N b. mooring wires N c. shrouds N d. stays 1564: What is the main reason to slush a wire rope?
N a. Keep the wire soft and manageable Y b. Lubricate the inner wires and prevent wear N c. Prevent kinking N d. Prevent rotting 1586: By paying out more anchor cable, you __________.
N a. decrease the holding power of your anchor N b. decrease the swing of your vessel while at anchor Y c. increase the holding power of your anchor N d. increase the possibility that your vessel will drag anchor 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1748: An Official Logbook is required on which vessel?
N a. A 150-G.T. tug going from Boston to New Orleans. Y b. A 100-G.T. tug going from New York to San Pedro, California. N c. A 50-G.T. tug going from Miami to Seattle. N d. A 199-G.T. tug on a coastwise trip of 650 miles. 1806: If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?
N a. The towing line between the two vessels should be clear of the water. N b. The towing line should be taut at all times between the vessels. Y c. There should be a catenary so the line dips into the water. N d. None of the above 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 1928: Which towing method maintains the most control over the tow?
N a. Tandem towing N b. Honolulu towing N c. Tandem tug towing Y d. Breasted tug towing 1993: The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is __________.
N a. coiling the line Y b. faking down the line N c. flemishing the line N d. racking the line 1999: When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.
Y a. maximum possible area N b. minimum possible area N c. nearest watertight door N d. nearest longitudinal girder 2046: The structural member indicated by the letter I is the __________. (D033DG )
N a. garboard strake N b. center pillar Y c. keel N d. girder 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 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 2241: The letter M indicates a(n) __________. (D033DG )
Y a. web frame N b. intercostal N c. stringer N d. cant frame 2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.
N a. Load Line Certificate Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. operations manual 2248: A "wet cargo" refers to __________.
N a. a cargo that will be damaged if it gets wet N b. bulk liquids N c. cargoes that will cause condensation Y d. liquids in containers 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 2450: Which statement is FALSE concerning precautions during fueling operations?
N a. All engines, motors, fans, etc. should be shut down when fueling. N b. All windows, doors, hatches, etc. should be closed. N c. A fire extinguisher should be kept nearby. Y d. Fuel tanks should be topped off with no room for expansion. 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). 2551: What welding pattern is NOT used to permanently attach a stiffener to a plate?
N a. Chain intermittent Y b. Tack N c. Continuous N d. Staggered intermittent 2570: When a line is laid down in loose, looping figure-eights, it is said to be __________.
Y a. faked N b. flemished N c. coiled N d. chined 2649: Which type of weld testing can be used to detect internal flaws?
Y a. Radiographic N b. Magnetic particle N c. Dye penetrant N d. Chemical reaction 2736: Distances on the Great Lakes System are generally expressed in __________.
N a. miles above the entrance to the St. Lawrence Seaway (MASLW) N b. miles above the head of the passes (AHP) N c. nautical miles Y d. statute miles 2742: The internal volume of a cargo hold measured from the inside of the side shell, the underside of the deck, and the tank top is known as the __________.
N a. gross tonnage N b. deadweight space N c. measurement space Y d. grain cubic 2785: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message?
N a. P (PRIORITY) Y b. R (ROUTINE) N c. O (IMMEDIATE) N d. Z (FLASH) 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 3201: You are on watch entering port, and the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot N b. asks you for instructions Y c. obeys the Master N d. brings the rudder to a point midway between the two conflicting positions 3431: A high cube container is designed specifically to __________.
Y a. carry low density cargoes N b. protect fragile cargoes N c. stow cargoes with concentrated weights such as machinery N d. carry cargoes of very low stowage factors 3488: Angular motion about the vertical axis of a vessel is called __________.
Y a. yaw N b. surge N c. sway N d. roll 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. 4238: Most pedestal crane power is provided by __________.
Y a. Electro-hydraulic units N b. Steam units N c. Independent internal combustion power units N d. All of the above 4265: Which statement(s) is/are FALSE concerning crane cargo operations?
N a. Lifting points on all equipment must be safely checked prior to commencing a lift. Y b. Cargo loaded into vehicles and/or containers prior to lifting need not be secured. N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs. N d. All the above