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.
64: Which statement about damage control is TRUE?
Y a. A hole in the hull at the waterline is more dangerous than a hole below the inner bottom. N b. The amount of water entering a ship through a hole varies inversely to the area of the hole. N c. Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartment. N d. Water flowing over the fo'c'sle bulwark is more dangerous than a hole in the hull at the waterline. 128: Which is characteristic of a "special cargo"?
N a. The cargo gives off toxic gases when heated. N b. Periodic inspection is required while in transit to prevent spoilage. Y c. It is of high value or easily pilferable. N d. It must be stowed on deck. 167: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?
N a. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. Y b. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. N c. The Pilot is solely responsible for the internal working of the ship. N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. 181: Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?
N a. Aliens may be employed except that all U.S. flag vessels must maintain no less than 90% U.S. citizens in the crew. Y b. Qualified aliens may be employed to fill the vacancies. N c. Seamen to fill vacancies must be flown from U.S. to join the vessel in the foreign port. N d. Vacancies can only be filled by U.S. citizens with valid Merchant Mariner's Documents. 290: What is NOT a form used by ice support services to disseminate information?
N a. Ice Analyses N b. Ice Forecasts N c. Ice Outlooks Y d. Ice Bulletins 340: Argon is classified as a __________.
N a. corrosive N b. flammable gas N c. flammable liquid Y d. nonflammable gas 423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?
N a. None N b. 1 Y c. 2 N d. 3 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 447: One reason a tug's towing bitts are located forward of the rudders is because __________.
N a. it makes it easier to hook up the towing hawser N b. this is where the towhook is located Y c. this allows more responsive steering N d. it is traditional 465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?
N a. Stringers N b. Longitudinals Y c. Transverse watertight bulkheads N d. The rake 485: To clean a dirty fiber towing hawser used in ocean towing, you should __________.
N a. use lye or other mild detergent Y b. wash it with fresh water, dry and store it N c. wash it with salt water N d. use cleaning fluid on nylon, dacron and other synthetic lines 579: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. booster pump being lined up in the wrong direction N d. ship's pump speeding up 612: When backing down with sternway, the pivot point of a vessel is __________.
N a. at the bow N b. about one-third of the vessel's length from the bow N c. aft of the propellers Y d. about one-quarter of the vessel's length from the stern 640: Which factor(s) can affect the performance of a river towboat?
N a. The draft of the towboat and the draft of the barges under tow N b. The placement of the barges within the tow N c. The presence of flanking rudders and Kort nozzles Y d. All of the above 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 731: A Deratization Exemption Certificate is valid for a period of __________.
N a. no time limit so long as Certificate of Sanitation is valid N b. no time limit so long as no evidence of rodents aboard N c. 1 year Y d. 6 months 767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight 788: The lower hold of your vessel has a bale capacity of 45,000 cubic feet. How many cases of a cargo weighing 450 lbs. and measuring 2.5 feet by 3 feet by 3 feet could be stowed in the hold, assuming a broken stowage factor of 15 percent?
N a. 300 N b. 675 N c. 1325 Y d. 1700 799: Temporary Certificates of Inspection are effective until the __________.
N a. Solas Certificate is issued N b. Load Line Certificate is renewed N c. classification society approval is issued Y d. permanent Certificate of Inspection is issued 849: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. gate valve N b. butterfly valve N c. globe valve Y d. check valve 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 927: Sluicing or slushing wire rope __________.
N a. prevents internal and external rust and corrosion N b. reduces chafing and increases its useful service life N c. reduces internal friction within the wire Y d. All of the above 964: To coil a left-hand laid rope, you should coil the line in __________.
N a. a clockwise direction only Y b. a counterclockwise direction only N c. an alternating clockwise and counterclockwise direction N d. either a clockwise or a counterclockwise direction 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 1018: Which U.S. Government agency can suspend or revoke a Merchant Mariner's license for violating the load line act?
N a. American Bureau of Shipping Y b. U.S. Coast Guard N c. U.S. Customs Service N d. U.S. Maritime Administration 1031: Which certificate is NOT issued by the Coast Guard?
N a. Award of official number N b. Certificate of Inspection Y c. Classification of Hull and Machinery N d. Safety Equipment Certificate 1091: Which of the following statements concerning the rigging and use of bosun's chairs is TRUE?
N a. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle. Y b. Always have the chair hoisted manually. N c. The lowering hitch should always be made before getting into the chair. N d. Always secure the gantline to the chair with a clove hitch. 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 1166: You are 15 feet off a pier and docking a vessel using only a bow and stern breast line. Once the slack is out of both lines you begin to haul in on the bow breast line. What is the effect on the vessel?
N a. The bow will come in and the stern will go out. N b. The whole ship moves toward the pier. Y c. The bow will come in and the stern will remain the same distance off the pier. N d. The stern will come in and the bow will remain the same distance off the pier. 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1180: The regulations require that inspected vessels on an international voyage, other than small passenger vessels, must carry which of the following distress signals on or near the navigating bridge?
N a. 12 hand red flares Y b. 12 rocket parachute flares N c. 12 hand combination flares and orange smoke signals N d. 6 hand red flares, and 6 hand orange smoke signals 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 1325: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.
N a. Crew list Y b. Certificate of Inspection N c. Articles of Agreement N d. fo'c'sle card 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1366: The best method to stop a vessel from dragging anchor in a sand bottom is to __________.
N a. reduce the length of the cable Y b. pay out more anchor cable N c. back the engines N d. swing the rudder several times to work the anchor into the bottom 1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
N a. Tensile N b. Compression Y c. Shear N d. Strain 1442: You are on an ice-reinforced vessel about to enter pack ice. You should __________.
N a. enter the pack on the windward side where there is a well defined ice edge N b. trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcement N c. take maximum advantage of coastal leads caused by offshore winds Y d. look for areas of rotten ice and enter perpendicular to the ice edge 1713: The cheek length of a block in inches should be about __________.
Y a. three times the circumference of a manila line N b. five times the diameter of a manila line N c. twice the diameter of its sheaves for manila line N d. twenty times the diameter of a manila line 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1836: While towing, what is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. The barge may swing too quickly and run over the tug. Y b. The barge may pass under the hawser and capsize the tug. N c. Free surface affect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 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. 57 lbs. N b. 42 lbs. N c. 39 lbs. Y d. 34 lbs. 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 2137: The securing systems for containers were developed to prevent container movement during which ship motion?
N a. Surge Y b. Roll N c. Sway N d. Yaw 2154: A vessel has a charter party for one voyage to carry a full load of manganese from Durban, South Africa, to Baltimore, Maryland, at a stipulated rate per ton. Which type of contract is involved?
N a. Bareboat charter party Y b. Voyage charter party N c. Demise charter party N d. Time charter party 2270: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 10 minutes if possible N b. 1 to 6 hours N c. 30 minutes to 1 hour Y d. 3 hours to start of business the following day 2554: The welds used to attach stiffeners to a plate are known as __________.
N a. butt welds N b. seam welds Y c. fillet welds N d. plate welds 2560: 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. 101.02 numeral N b. 91.36 numeral N c. 72.43 numeral Y d. 52.79 numeral 2626: The "grip" of a joint represents the __________.
Y a. thickness of the connected members N b. diameter of the head N c. entire length of the rivet N d. diameter of the shank 2692: Your vessel is on a voyage from Ogdensburg, NY, to Chicago, IL, via the Great Lakes. The date is October 3 of the current year. If your vessel is subject to the load line requirements, to which of her marks should she be loaded? (D031DG )
N a. Fresh water - Winter N b. Salt water - Intermediate Y c. Fresh water - Intermediate N d. Salt water - Winter 2772: The Coordinator Surface Search (CSS) in a SAR situation should display by night __________.
N a. deck lights forward and aft N b. a white light over two red lights N c. a red light, white light, and blue light in a vertical line Y d. a distinctive signal promulgated by the CSS 2836: Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?
Y a. Lake Superior N b. Lake Michigan N c. Lake Huron N d. Lake Ontario 2900: Which statement about Naval Control of Shipping in wartime is TRUE?
Y a. It is mandatory in wartime. N b. It is mandatory in hazardous areas and voluntary in other areas. N c. It is mandatory only for vessels sailing in convoy. N d. It is mandatory for vessels bound foreign and voluntary for vessels in the coastwise trade. 3275: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
N a. Damage to property amounting to $12,500 N b. Loss of bridge-to-bridge radio capability N c. An injury requiring first aid treatment Y d. Accidental stranding or grounding 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 3410: When "checking down" a barge using a check line you should use __________.
N a. one round turn and at least two figure-eights around the timber heads N b. at least three figure-eights around the timber heads N c. a clove hitch around one timber head Y d. at least three round turns around one timber head 3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.
N a. keep lifting N b. swing right N c. swing left Y d. emergency stop 3586: The last shot of an anchor cable is usually painted __________.
N a. white N b. international orange N c. yellow Y d. red 4162: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 tons and 20 tons, when carried on Ro-Ro vessels?
N a. One Y b. Two N c. Three N d. None of the above 4279: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. Y b. Taglines are wire ropes payed-out or taken-in for horizontal positioning of the rider block. N c. Taglines can be can be fastened to the corners of the jib when lifting containers. N d. The taglines are wire rope purchease that raise and lower the topping lift.