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.
40: You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?
N a. Hose connections to the tank must be made with a minimum of three bolts. Y b. There must be water pressure on the fire main. N c. You must shut down if another vessel comes alongside. N d. If transferring at anchor, you must display a red flag by day and a red light at night. 56: The effect of wind on exposed areas of the vessel is most noticeable when __________.
Y a. backing N b. going slow ahead N c. going full ahead N d. turning 84: The ceiling is __________.
N a. the overhead in berthing compartments Y b. a wooden protection placed over the tank top N c. material driven into seams or cracks to prevent leaking N d. None of the above are correct 111: You are the licensed Master of a towing vessels operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?
N a. 1 N b. 2 Y c. 3 N d. 4 142: What is NOT an advantage of centrifugal pumps over reciprocating pumps?
N a. They pump more cargo in less time. N b. They are smaller for equivalent pumping ability. N c. They are less expensive. Y d. They require priming for stripping. 224: The term "Shift the Rudder" means __________.
N a. put the rudder amidships N b. use right or left rudder N c. check, but do not stop the vessel from swinging Y d. change from right to left or left or right 262: Mousing a cargo hook with marline or small line __________.
N a. increases the lifting capacity of the hook N b. protects the hook from the sling ring Y c. prevents the sling ring from coming out of the hook N d. All of the above 286: Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. This force is caused by __________.
N a. back current from the rudder N b. greater pressure on the right or left side of the propeller, depending on rotation N c. lower pressure on the right or left side of the propeller, depending on rotation Y d. torque from the velocity and angle at which the surrounding water impinges upon the propeller blades 356: It is possible, and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by __________.
N a. placing bunker on the deck N b. building a stage on which to place the cargo N c. welding steel "feet" to the deck, on which the cargo is placed Y d. erecting vertical pillars under the deck to support the cargo 398: Peck and Hale gear is used most commonly for securing __________.
Y a. automobiles N b. baled cargo N c. large wooden crates N d. palletized cargo 443: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
N a. 86.72 numeral N b. 89.98 numeral Y c. 91.40 numeral N d. 93.18 numeral 504: Anchors are prevented from running out when secured by the __________.
N a. brake N b. devil's claw N c. pawls Y d. All of the above 593: To lead the towing hawser over the center of the stern when not under a strain you could __________.
N a. fairlead it through a stern roller chock N b. lead it through the Norman pins N c. hold it in the median position by a gob rope or lizard stopper Y d. All of the above when so equipped 791: The oil record book is required to be carried aboard __________.
N a. tankers N b. passenger vessels N c. cargo vessels Y d. All of the above 874: Which type of line would have the LEAST resistance to mildew and rot?
Y a. Manila N b. Nylon N c. Dacron N d. Polypropylene 908: You must load as much of a large shipment of case goods as possible into a hold which has 24,400 cubic feet of space. Each case measures 2 feet by 2 feet by 4 feet and weighs 448 pounds. If you allow for broken stowage of 15%, how many long tons can be loaded?
N a. 54 N b. 207 Y c. 259 N d. 351 918: Ten triangular piles of piping on the pier are to be loaded - each pile has a 20 foot base, is 15 feet high and 30 feet long. If the breadth of the hold is 60 feet and the piping is to be stowed fore and aft in a 30 foot space, how high will it stow?
N a. 16.6 feet Y b. 25.0 feet N c. 50.0 feet N d. 75.0 feet 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 967: While steering by autopilot you notice that the vessel is deviating from the given course and there is no follow up with corrective rudder action to return to the proper heading. The emergency operating procedure should require you to immediately change operation from __________.
Y a. "gyro" to "hand" N b. "hand" to "gyro" N c. "gyro" to "control" N d. "control" to "hand" 1012: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. after breast line N b. after spring line Y c. offshore stern line N d. inshore stern line 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 1164: Which type of line floats?
N a. Dacron N b. Nylon N c. Old manila Y d. Polypropylene 1182: Your vessel must moor port side to a berth limited by vessels ahead and astern using a single tug. You are stemming a slight current and there is a light breeze of the dock. Your tug should be made up to the vessel's __________.
N a. stern on a hawser N b. quarter N c. waist Y d. bow 1190: A normal safe working load for used nylon rope in good conditon is __________.
N a. 10% of its breaking strain Y b. 25% of its breaking strain N c. 33% of its breaking strain N d. 50% of its breaking strain 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1234: Which type of line will stretch the most when under strain?
N a. Polypropylene N b. Dacron Y c. Nylon N d. Manila 1354: A 6x19 wire rope would be __________.
N a. 6 inches in diameter and 19 fathoms long N b. 6 inches in circumference with 19 strands Y c. 6 strands with 19 wires in each strand N d. 19 strands with 6 wires in each strand 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 1503: Which knot should be used to send a man over the side when he may have to use both hands?
N a. Bowline Y b. French bowline N c. Bowline on a bight N d. Running bowline 1601: What would be prima facie evidence of unseaworthiness?
Y a. Overloading N b. Overstowage N c. Overbooking N d. Overcarriage 1625: All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual's __________.
N a. blood Y b. breath N c. urine N d. All of the above 1732: Which picture in illustration D030DG represents a half hitch? (D030DG )
Y a. U N b. S N c. K N d. H 1740: The group of markings shown is called a __________. (D003DG )
N a. loft mark Y b. load line mark N c. test mark N d. water mark 1768: As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie __________.
N a. bow to the wind Y b. beam to the wind N c. stern to the wind N d. with the wind on the quarter 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 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 1889: The helm command "Nothing to the left" means do NOT __________.
N a. use left rudder Y b. steer left of the ordered course N c. steer right of the ordered course N d. leave any buoys on the port side 1915: A butt is indicated by which letter? (D033DG )
N a. J N b. F N c. E Y d. D 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 2019: A man was sighted as he fell overboard. After completing a Williamson turn, the man is not sighted. What type of search should be conducted?
N a. Expanding circle Y b. Sector search N c. Parallel track pattern N d. Datum-drift search 2113: One major advantage of the round turn maneuver in a man overboard situation is that it __________.
Y a. is the fastest method N b. is easy for a single-screw vessel to perform N c. requires the least shiphandling skills to perform N d. can be used in reduced visibility 2167: Which statement concerning sweat damage in containers is TRUE?
N a. Sweat damage in containers is unusual due to the small enclosed volume of air. N b. In general, containerized hygroscopic cargoes are the only ones subject to sweat damage. Y c. Containers should be ventilated, dehumidified, or the contents physically protected against sweat damage. N d. Sweat damage is not a problem except in insulated and refrigerated containers. 2230: What is the name of tackle number 1? (D029DG )
Y a. Whip N b. One-fold purchase N c. Gun tackle N d. Runner 2234: Keeping certain cargoes separated because of their inherent characteristics is known as __________.
N a. overstowage Y b. segregation N c. spot loading N d. cargo typing 2388: What is the area of a circle with a diameter of 4 feet after a sector of 120° has been removed?
N a. 2.67 square ft. N b. 4.19 square ft. Y c. 8.38 square ft. N d. 10.67 square ft. 2494: The major components which determine the length of a catenary in a deployed anchor cable are water depth, cable weight, and __________.
Y a. cable tension N b. water temperature N c. bottom conditions N d. water density 2559: A vessel in Great Lakes service shall carry anchors in accordance with standards established by the __________.
Y a. American Bureau of Shipping N b. Canadian Coast Guard N c. U.S. Coast Guard N d. underwriter of the vessel 2607: Which statement is TRUE concerning lifeboat installations on Great Lakes vessels?
N a. All davit installations shall have 3 lifelines fitted to a davit span. N b. All vessels over 3,000 gross tons must be fitted with gravity davits. Y c. All lifelines shall be able to reach the water at the vessel's lightest draft with a 20° list. N d. All of the above 2826: An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT __________.
N a. sound signal N b. light signal N c. visual signal Y d. radiotelephone 2939: A vessel operating on the Great Lakes, and whose position is south of an approaching eastward-moving storm center, would NOT experience __________.
N a. a falling barometer N b. lowering clouds and drizzle Y c. a southwest to west wind N d. rain or snow 3088: A "check" line is __________.
N a. a safety line attached to a man working over the side N b. used to measure water depth Y c. used to slow the headway of a barge N d. used to measure the overhead height of a bridge 3462: Under U.S. law, what is the penalty for assaulting the Master?
N a. Fine of not more than $1000 N b. Fine of not more than $500 and/or imprisonment for not more than 1 year Y c. Imprisonment for not more than 2 years N d. Revocation of the Merchant Mariner's Document (and license if applicable) 3487: The opening in the deck that leads the anchor cable outside the hull is the __________.
Y a. hawsepipe N b. fall pipe N c. drop-pipe N d. spill pipe 3544: Wire rope should be renewed when the __________.
N a. outer wires are rusted Y b. outer wires are worn to half their original diameter N c. inner core appears dry N d. certification period expires 4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.
N a. winch speed N b. boom strength Y c. load radius N d. cable strength 4040: When towing another vessel astern, the length of the towline should be __________.
N a. as long as possible N b. such that one vessel will be on a crest while the other is in a trough Y c. such that the vessels will be "in step" N d. not over two wave lengths in seas up to 10 feet 4125: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
N a. Age of vehicle or cargo unit Y b. Size and weight of vehicle/cargo unit N c. Reputation of shipper concerning condition of cargo N d. Air pressure in the vehicles tires 4145: Which tensioning device is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Turnbuckle N c. Adjust-a-matic tensioner Y d. Ratchet tensioner 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle 4381: 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