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.
30: You are planning the stowage of two incompatible products on your multiple-product tankship. What will NOT provide the minimum required segregation?
N a. Empty tank Y b. Solid (non-intercostal) bulkhead N c. Diagonally adjacent tanks N d. Tank containing a third cargo compatible with the other two 34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.
N a. pump fuel oil from midships to the ends of the vessel N b. reduce speed N c. take a course which most eases the vessel Y d. All of the above 61: Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding __________.
Y a. 600 miles N b. 700 miles N c. 800 miles N d. 1000 miles 65: Under title 46 of the United States Code, the person in charge of a documented vessel who fails to report a complaint of a sexual offense may be __________.
N a. charged with accessory to sexual assault N b. imprisoned for up to one year Y c. fined up to $5,000 N d. All of the above 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 92: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could be caused by __________.
N a. the pump running backwards Y b. incomplete priming N c. the discharge head being too high N d. All of the above 109: What is meant by "thieving" a petroleum cargo?
N a. Adjusting the cargo figures to coincide with the draft Y b. Determining the amount of water (if any) in each cargo tank N c. Reducing the gross cargo calculations to net amounts N d. Siphoning off a few barrels of petroleum for shipboard use 140: Your tankship is carrying a 30% solution of hydrogen peroxide. The cargo containment system must have a permanent inert gas system. While discharging this cargo the inert gas system must maintain a minimum pressure of __________.
Y a. 0.5 psig N b. 3.0 psig N c. 5.0 psig N d. atmospheric pressure 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 429: A tank is loaded with 9,000 barrels of gasoline. The temperature of the product is 90°F (32°C), and it has a coefficient of expansion of .0008. What is the net amount of cargo loaded?
N a. 8856 bbls Y b. 8784 bbls N c. 8820 bbls N d. 9216 bbls 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 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 495: Which space(s) is (are) deducted from gross tonnage to derive net tonnage?
Y a. Boatswain's stores N b. Companions and booby hatches N c. Passenger spaces N d. All of the above 642: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. offshore stern line Y b. inshore stern line N c. after spring line N d. after breast line 872: In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, when the __________.
Y a. injury requires immediate inpatient hospitalization of the seaman N b. Master authorizes the agent to act in his place N c. ship is still in port and the seaman can appear before the Consul after medical treatment N d. seaman also consents to the absence, and there is no dispute as to the wages due 944: 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 rains 985: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. call the engineroom and report that you have lost steering N b. signal the engineroom to stop the engines Y c. shift the selector switch to the other steering system N d. call the Master 1050: 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 vessel 1069: Which step is NOT generally taken when gas-freeing a tank?
N a. Washing the tank interior with sea water Y b. Application of degreasing solvents N c. Removal of corrosion products and sludge N d. Fresh air ventilation 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1272: You are on a tankship carrying benzene in bulk. Which statement is TRUE?
N a. No other cargoes may be carried due to the possibility of contamination by a carcinogen. N b. The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces. N c. Benzene is not a cancer-causing agent. Y d. Personnel working in regulated areas must use respirators. 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 1435: Which letter shown represents a clove hitch? (DO30DG )
Y a. X N b. U N c. T N d. R 1474: To find the distance the strands should be unlaid for an eye splice, multiply the diameter of the wire in inches by __________.
N a. 12 N b. 24 Y c. 36 N d. 48 1497: Which of the pictures in illustration DO30DG represents a round turn and two half hitches? (DO30DG )
N a. E Y b. F N c. Q N d. S 1525: The term "shift the rudder" means __________.
N a. use right or left rudder Y b. change from right (left) to left (right) rudder an equal amount N c. check, but do not stop the vessel from swinging N d. put the rudder amidships 1680: In vessel construction, the garboard strake is __________.
Y a. located next to and parallel to the keel N b. located next to and parallel to the gunwale N c. another term for the bilge keel N d. another term for the rub rail 1689: The mooring line shown as "C" is called a __________. (DO44DG )
N a. stern line N b. spring line N c. shore line Y d. breast line 1720: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
Y a. Bow spring line N b. Bow breast line N c. Stern breast line N d. Inshore head line 1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.
N a. constantly shifting the rudder N b. moving all passengers to one side of the boat Y c. rigging a sea anchor N d. moving all passengers to the stern 1860: A towline should be fastened to __________.
N a. the chocks at the bow of a towed vessel N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail N c. the mast of a towed sailboat Y d. a secure fitting near the bow of the towed vessel 1864: Progressive flooding may be indicated by __________.
N a. ballast control alarms N b. excessive draft N c. excessive list or trim Y d. a continual worsening of list or trim 1868: When being towed by one tug, the towing bridle should be connected to towing __________.
Y a. bitts with figure eights N b. pad eyes with pelican hooks N c. pad eyes with safety hooks N d. All of the above 1879: What is the mechanical advantage of a threefold purchase when rove to disadvantage and neglecting friction?
N a. 3 N b. 4 N c. 5 Y d. 6 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. 1883: The most common method of securing a line to a cleat is a __________.
N a. half hitch, then round turns Y b. round turn, then figure eights N c. figure eight, then round turns N d. figure eight, then half hitches 1951: A case received for shipment is marked as shown. The portion of the symbol indicated by the letter A is _______ . (D043DG )
Y a. a stowage sequence marking N b. the consignee's marking N c. a stowage mark, showing the top of the case N d. the symbol for toxic contents 2025: What is the chief hazard encountered when surging synthetic mooring lines on the gypsyhead during operations?
N a. If there is sudden strain, the man tending the line may be pulled into the gypsyhead. N b. The lines may jam and then jump off the gypsyhead. N c. The lines' surging may cause the vessel to surge. Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead. 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2131: If you carry packaged hazardous cargoes on a break bulk vessel bound foreign, you must __________.
N a. stow the hazardous cargoes on deck available for jettisoning if necessary N b. remove the hazardous cargo labels from a portable tank after the tank is emptied Y c. have the shipping papers indicate the proper shipping name and the technical name of n.o.s. cargoes N d. log the receipt of hazardous cargoes in the Official Logbook 2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
N a. 47.0°F N b. 51.5°F Y c. 59.0°F N d. 70.0°F 2463: The crane manufacturer's load chart should be posted at or near the __________.
N a. crane pedestal N b. wire rope locker N c. main deck Y d. crane control console 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 2694: When relieving the helm, the new helmsman should know the __________.
N a. gyro error Y b. course per magnetic steering compass N c. variation N d. maximum rudder angle previously used 2719: Which publication would give detailed information on the commercial vessel traffic reporting system for connecting waters from Lake Erie to Lake Huron?
N a. United States Coast Pilot - Great Lakes #6 N b. U.S. Coast Guard Light List - Vol. VII Y c. Code of Federal Regulations - Title 33 N d. The appropriate Great Lakes Navigation Chart 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 2957: 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?
N a. Bow breast line N b. Inshore head line N c. Stern breast line Y d. Bow spring line 3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?
N a. "I am going ahead; follow me." N b. "You should stop your vessel instantly." Y c. "Icebreaker support is now commencing." N d. "Icebreaker support is finished." 3102: When hip towing, a line led from the stern of the towboat forward to the barge provides the towing pull when __________.
N a. going ahead N b. dead in the water N c. in a following current Y d. backing 3104: When maneuvering a heavy barge up a wide channel with a tug, the tow may be most closely controlled by making up to the barge __________.
N a. with a short tow astern N b. nearly bow to bow, at a small angle N c. amidships, parallel to the barge Y d. nearly stern to stern, at a small angle to the barge 3134: When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.
Y a. forward to control the bow N b. amidships to move the entire vessel evenly N c. aft to assist the ship's rudder and propeller N d. anywhere, since the maneuverability of the tug governs the placement not the power 3308: What term indicates a curvature of the decks in a longitudinal direction?
N a. Deadrise N b. Camber Y c. Sheer N d. Flare 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 3631: The number of certificated able seamen and lifeboatmen required on board is listed in the __________.
Y a. Certificate of Inspection N b. American Bureau of Shipping code N c. Muster List ("Station Bill") N d. Safety of Life at Sea Convention 4018: The BEST holding ground for conventional anchors is __________.
Y a. sand N b. very soft mud N c. shale N d. rock 4026: One of the greatest hazards of pushing ahead is parting which item shown? (D024DG )
N a. A N b. B N c. F Y d. I 4061: The two factors which make underwater hull repair difficult are accessibility and the __________.
N a. availability of tools N b. shape of the hull Y c. pressure exerted by the water N d. threat of progressive flooding 4221: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block 4241: What should be given, as a minimum, to personnel who are involved in crane cargo handling?
Y a. Protective head gear, gloves, and steel-toed safety shoes N b. A survival suit for work on the stern or side port N c. A life preserver for going aloft to work on the crane N d. All of the above 4244: What is meant by the term "luffing the boom" of a crane?
N a. Stopping the boom Y b. Topping or lowering the boom N c. Moving the boom left or right N d. All of the above