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.
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 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 166: The distance gained in the direction of the original course when you are making a turn is known as __________.
Y a. advance N b. drift N c. tactical diameter N d. transfer 190: You are on a vessel that carries liquefied gasses in bulk. The person on watch is required to have what information about the cargo easily accessible?
N a. Port of loading N b. Exact quantity on board N c. Name and address of consignee Y d. Firefighting procedures 218: What is the main purpose of dunnage?
N a. To act as ballast for light vessels Y b. To provide ventilation and drainage for cargo N c. To secure the tarpaulins in place N d. To support weakened bulkheads 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. 444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.
N a. bight Y b. bollard N c. chock N d. camel 574: Which type of link is generally used to connect shots of anchor chain?
Y a. Detachable N b. Open N c. Pear shaped N d. Stud link 620: You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?
Y a. Open-bed containers may be used to transport hazardous materials if the cargo is properly secured. N b. A portable cargo tank of a flammable, cryogenic liquid may not be in transit for a period exceeding its marked rated holding time unless the liquid is inhibited. N c. A portable cargo tank containing a cryogenic liquid must be shipped on deck unless forced ventilation is provided to the decks-decks. N d. A container loaded with packages of tear gas would display a placard reading "Irritant." 630: You are doing a Williamson turn. Your vessel has swung about 60° from the original course heading. You should __________.
N a. put the rudder amidships and check the swing N b. stop the engines and prepare to maneuver to pick up the man in the water Y c. shift your rudder N d. increase to maximum speed 696: A vessel traveling down a narrow channel, especially if the draft is nearly equal to the depth of the water, may set off the nearer side. This effect is known as __________.
N a. smelling the bottom N b. squatting N c. bank suction Y d. bank cushion 747: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.
N a. inadequate ullage space N b. having the cargo too cool N c. explosion of vapors after discharge Y d. having to breathe the fumes 794: "White Line" is made from __________.
Y a. cotton N b. hemp N c. manila N d. sisal 854: A piece of small stuff (small line) secured to an object to prevent it from going adrift is a __________.
Y a. lanyard N b. keeper N c. noose N d. stopper 867: Who may perform as a lookout?
N a. A member of the engineering watch Y b. A member of the navigational watch N c. A member of the Stewards Department N d. All of the above 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 926: Usually the most gentle way of riding out a severe storm on a larger vessel is __________.
N a. head on at slow speeds N b. hove to Y c. running before the seas N d. to rig a sea anchor 931: Which is NOT a required entry in the ship's Official Logbook?
N a. Sale of effects of a deceased crew member N b. Medical treatment of an injury N c. Inspections of cargo gear Y d. Dry docking of the vessel 954: In order to correctly open a new coil of manila line, you should __________.
N a. pull the tagged end from the top of the coil Y b. pull the tagged end through the eye of the coil N c. secure the outside end and unroll the coil N d. unreel the coil from a spool 1049: You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?
Y a. Ventilate the tank to eliminate any electrostatically charged mist. N b. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank. N c. Insure that the tanks are not stripped until the final wash is started. N d. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head. 1073: You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle __________.
N a. with the pin of the shackle riding on the stay Y b. with the pin of the shackle through the chair's bridle eye N c. with a hook attaching the chair to the riding shackle N d. connected to a second shackle on the chair 1078: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.
N a. one year imprisonment or $500 Y b. two years imprisonment or $1000 N c. two years imprisonment or $1500 N d. two years imprisonment or $2000 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1193: The main advantage of a Chinese stopper over the one line stopper is that it __________.
Y a. will not jam on the mooring line N b. is stronger N c. is easier to use when under heavy tension N d. is safer to use when under heavy tension 1285: Which information MUST be entered on the muster list?
N a. Names of all crew members N b. Use and application of special equipment N c. Listing of approved emergency equipment Y d. Duties and station of each person during emergencies 1302: Reinforcing frames attached to a bulkhead on a vessel are called __________.
N a. side longitudinals N b. intercostals Y c. stiffeners N d. brackets 1393: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.
N a. the Light List Y b. Radio Aids to Navigation (PUB 117) N c. the International Code of Signals (PUB 102) N d. the Coast Pilot 1561: The Master of any vessel bound on a voyage must apply to a district court when an allegation of unseaworthiness has been made to the Master by __________.
N a. any member of the crew of the vessel N b. any two officers of the vessel and a majority of the crew Y c. the First and Second Officers of the vessel or a majority of the crew N d. the First Officer of the vessel 1573: Which statement about splices is TRUE?
N a. A back splice is used to permanently connect two lines together. Y b. A long splice is used to connect two lines that will pass through narrow openings. N c. A short splice is used to temporarily connect two lines. N d. In splicing fiber rope, you would splice with the lay of the line. 1590: A thirty pound plate would be __________.
N a. 3/8" thick N b. 1/2" thick Y c. 3/4" thick N d. 1" thick 1603: Which weakens a line the LEAST?
N a. Clove hitch N b. Long splice Y c. Short splice N d. Square knot 1644: A rolling hitch can be used to __________.
N a. make a temporary eye N b. mouse a hook Y c. secure a line around a spar N d. shorten a line 1690: Molded depth is measured from the __________.
Y a. inside of the shell N b. outside of the shell N c. top of the center vertical keel N d. top of the garboard stake 1729: The greatest strain, when lifting a load with the jumbo purchase, is on __________.
N a. all of the parts, dividing the load equally Y b. the hauling part because it must absorb the frictional losses of all the sheaves N c. the parts in the movable block N d. the standing part because it is directly connected to the weight 1764: The "square knot" is used for __________.
N a. forming temporary eyes in lines Y b. joining two lines of equal size N c. keeping line from unlaying or fraying N d. joining two lines of different size 1773: What size block shell should be used with a 4-inch manila line?
N a. 8" Y b. 12" N c. 16" N d. 24" 1781: Which organization usually assigns load lines to U.S. vessels?
N a. National Load-Line Agency N b. National Shipping Bureau Y c. American Bureau of Shipping N d. American Regulations Council 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 1923: Disregarding friction, a twofold purchase when rove to disadvantage has a mechanical advantage of __________.
N a. 2 N b. 3 Y c. 4 N d. 5 1948: The Honolulu (Christmas tree) tow was devised to __________.
Y a. keep the catenary to a minimum N b. allow easy removal of a center tow N c. reduce hawser length N d. increase the catenary 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 1988: When towing, what is the main reason for using a chain bridle on a wire hawser?
N a. It makes for an easy connection. Y b. It gives a spring effect to cushion the shock. N c. It eliminates the necessity of a swivel. N d. It does not chafe. 2065: A continual worsening of the list or trim indicates __________.
N a. negative GM Y b. progressive flooding N c. structural failure N d. an immediate need to ballast 2080: A Contract of Affreightment covering the movement of a particular cargo from one designated port to another at a specified rate for each ton of goods loaded is called a __________.
N a. bareboat charter party N b. demise charter party N c. time charter party Y d. voyage charter party 2143: Your vessel was damaged and initially assumed a significant list and trim; however, further increase has been slow. Based on this data, what should you expect?
N a. The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane area. Y b. The vessel can probably be saved if further flooding can be stopped. N c. The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effect. N d. The vessel will suddenly flop to the same or greater angle of list on the other side and may capsize. 2163: What is the name of tackle number 7? (DO29DG )
Y a. Runner N b. Inverted whip N c. Whip N d. Single purchase 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 2212: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed in illustration D035DG. Based on this data what is the advance for a turn of 30°? (D035DG )
N a. 380 yards N b. 420 yards Y c. 470 yards N d. 525 yards 2271: You are signing on a crew. You can determine the minimum number and qualifications of the crew that you are required to carry by consulting which document?
N a. Crew list Y b. Certificate of Inspection N c. Articles of Agreement N d. fo'c'sle card 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 2310: How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?
N a. This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer. N b. Determine the point where aground and the draft at that point, then calculate it using the grounding formula. Y c. Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding. N d. Use the inclining experiment formula and substitute the change of trim for the angle of list. 2529: Which condition would NOT entitle a vessel to carry goods on deck?
N a. The shipper agrees to deck stowage Y b. The cargo will damage other cargoes by tainting or contamination N c. Deck stowage is required by law or regulation N d. Deck stowage is customary in the trade (i.e. timber cargoes) 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 3240: You are the operator of a towing vessel which becomes involved in a collision. By law you must assist __________.
N a. if your vessel is at fault N b. if you can do so without excessive delay Y c. if you can do so without serious danger to your vessel N d. regardless of the circumstances 3464: The ultimate or maximum strength of a wire rope is referred to as the __________.
N a. operating strength N b. working load Y c. breaking strength N d. lifting load 4028: Which statement about the carriage of coal is true?
N a. Most problems with spontaneous combustion will occur within 72 hours of loading and after that the risk decreases. N b. Wet coal is more liable to spontaneous heating than dry coal. N c. Coal absorbs nitrogen from the air which reacts with methane and causes spontaneous heating. Y d. Freshly worked coal is more dangerous than weathered coal. 4187: Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?
N a. Start ventilation, lower the ramp, notify engine room N b. Lower the ramp, start ventilation, notify engine room Y c. Notify engine room, lower the ramp, start ventilation N d. Start ventilation, notify engine room, lower the ramp 4215: The electrical components for each single crane are installed in its __________.
N a. crane house N b. machinery base N c. turntable Y d. All of the above 4442: Insulating flanges minimize the dangers arising from __________.
N a. smoking on deck N b. loading asphalt Y c. accumulations of electrostatic charges N d. tank over-pressurization