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.
42: The vapor pressure of a substance __________.
N a. decreases as temperature increases Y b. increases with the temperature N c. is not affected by temperature N d. may increase or decrease as the temperature rises 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 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 154: A look-out at the bow sights an object on your port side. How many bell strokes should he sound?
N a. One Y b. Two N c. Three N d. Four 195: You are transporting dangerous cargo on your vessel. The Dangerous Cargo Manifest must be signed by the __________.
N a. shipper N b. U.S. Coast Guard Marine Inspector Y c. Master or his authorized representative N d. Master only 364: A long ton is __________.
N a. 1,000 pounds N b. 2,000 pounds Y c. 2,240 pounds N d. 2,400 pounds 439: When loading bulk liquid cargo, what is the FIRST action you should take if a cargo valve jammed open?
N a. Trip the pump relief valve. Y b. Order the dock man to shut down. N c. Call the owner, operator, or terminal supervisor. N d. Run out the vessel's or terminal's fire hose. 538: Using the graph shown, if the dry bulb temperature is 80°F (27°C) and the wet bulb temperature is 70°F (21°C), what is the relative humidity in a cargo hold? (D008DG )
N a. 45% N b. 52% Y c. 58% N d. 65% 564: The anchors on the bow are known as __________.
Y a. bower anchors N b. kedge anchors N c. spare anchors N d. stream anchors 573: An ocean towing bridle whose legs are of equal length, but too short, may __________.
Y a. fail to provide spring in the hawser N b. cause unequal distribution of the load to one leg N c. cause the bridle legs to jump clear of the chocks or fairleads N d. None of the above 604: The term "lee side" refers to the __________.
N a. side of the vessel exposed to the wind Y b. side of the vessel sheltered from the wind N c. port side N d. starboard side 617: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. onshore stern line Y b. offshore stern line N c. after breast line N d. after spring line 622: A predictable result of a vessel nearing a bank or edge of a channel is that the __________.
Y a. stern is drawn to the bank as the bow sheers off N b. bow sheers toward the bank N c. vessel continues in a straight line, but with greatly reduced maneuverability N d. vessel will be drawn bodily into the bank unless the engines are stopped 664: Coiling new rope against the lay, bringing the lower end up through the center of the coil, then coiling with the lay, in order to remove the kinks, is known as __________.
N a. coiling N b. faking N c. flemishing Y d. thoroughfooting 761: The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?
N a. Cargo Manifest Y b. Certified Crew List N c. Curio List N d. Shipping Articles 833: The Master may require part of the crew to work when needed for ___________ .
N a. maneuvering, shifting berth, mooring and unmooring N b. performing work necessary for the safety of the vessel, its passengers, crew or cargo N c. performing fire, lifeboat or other drills in port or at sea Y d. All of the above 1115: The proper way to correct a mistake in the logbook is to __________.
N a. draw several lines through the entry, rewrite, and initial the correction Y b. draw a line through the entry, rewrite, and initial the correction N c. completely black out the entry, rewrite, and initial the correction N d. erase the entry and rewrite 1118: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N b. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. Y c. Your vessel is at anchor and grounds at low tide with no apparent damage. N d. Storm damage to the cargo winch motors requiring repairs costing $19,000. 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. 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1260: The function of the bilge keel is to __________.
Y a. reduce the rolling of the vessel N b. serve as the vessel's main strength member N c. add strength to the bilge N d. protect the vessel's hull when alongside a dock 1268: The S.S. Ossel Hitch arrives in Capetown, South Africa, and the Master affects a note of protest with the U.S. Consul. Why would the Master affect this document?
N a. Crew misconduct N b. Inability of vessel to comply with voyage charter N c. Suspicion of cargo pilferage by crew Y d. Suspicion of heavy weather damage to vessel or cargo 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1313: Where should a vessel being towed alongside be positioned for increased maneuverability?
N a. Stern of the towed vessel aft of the stern of the towing vessel N b. Stern of the towed vessel even with the stern of the towing vessel Y c. Stern of the towed vessel forward of the stern of the towing vessel N d. Bow of the towed vessel even with the bow of the towing vessel 1381: The Master of a vessel may tender a Notice of Readiness to the charterer when the vessel __________.
N a. has completed the terms of the charter party Y b. is in all respects ready to load N c. is in all respects ready to sail N d. is safely moored or at a suitable anchorage 1391: The basic shipping paper that forms an agreement between a shipowner and a charterer is a __________.
N a. Cargo Declaration N b. Charter Commission Y c. Charter Party N d. Letter of Intent 1406: How many fathoms are in a shot of anchor cable?
N a. 6 Y b. 15 N c. 20 N d. 30 1436: How many feet are there in 2 shots of anchor chain?
N a. 50 N b. 60 Y c. 180 N d. 360 1444: If kinking results while wire rope is being coiled clockwise, you should __________.
N a. coil it counterclockwise N b. not coil it Y c. take a turn under N d. twist out the kinks under a strain 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 1534: Which statement(s) is(are) TRUE concerning wire rope?
Y a. Wire rope should be condemned if the outside wires are worn to one-half their original diameter. N b. Wire rope should be condemned if the fiber core appears moist. N c. Wire rope which is right-hand laid should be coiled counterclockwise to prevent kinking. N d. All of the above 1551: A majority of the crew requests a survey from the American Consul to determine a vessel's seaworthiness. The vessel is found unfit to continue her intended voyage. The Consul allows the vessel to sail to another port where deficiencies can be corrected. The crew must __________.
N a. be discharged and given first class passage back to the original port of signing on in lieu of one month's wages N b. be discharged by the American Consul with additional one month's wages until repairs are made N c. be furnished employment on another vessel returning to the United States which is satisfactory to that crew Y d. comply with the judgment 1555: When carrying out a parallel track search pattern, the course of the search units should normally be which of the following?
Y a. In the same direction as the anticipated drift N b. In the opposite direction of the anticipated drift N c. Perpendicular to the line of anticipated drift N d. Downwind 1627: A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to __________.
Y a. ensure the fitness and safety of cargo spaces N b. ensure adequate packaging of the cargo N c. prevent delays due to quarantine restrictions N d. correct all defects in the ship's construction 1633: The strongest way to join the ends of two ropes is with a __________.
N a. back splice Y b. short splice N c. square knot N d. carrick bend 1717: With a large tow astern, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. tow broaching 1826: The knot lettered X in illustration DO30DG is a __________. (DO30DG )
N a. timber hitch N b. becket bend Y c. clove hitch N d. blackwall hitch 1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?
N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water. N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock. N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained. Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water. 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 2003: Chafing gear is used to __________.
N a. anchor the boat N b. pick up heavy loads Y c. protect fiber rope from abrasion N d. strengthen mooring lines 2132: Which statement concerning dual-tonnage vessels is TRUE?
N a. The dual-tonnage mark is always marked above the load line marks. N b. The tonnages referred to are the displacement tonnage and gross tonnage. Y c. A single-deck vessel may not be assigned dual tonnages. N d. The dual-tonnage mark must never be submerged beyond the freshwater allowance. 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. 2474: Generally speaking, the more destructive storms occurring on the Great Lakes usually come from the __________.
N a. northeast or east Y b. southwest or west N c. northwest or north N d. southeast or south 2533: You should attach a towline to a trailer eye bolt using a(n)______________.
N a. eye splice Y b. bowline N c. towing hitch N d. square knot 2568: You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/cushion effect. You should __________.
N a. stop engines and put the rudder left full N b. back full with rudder amidships N c. decrease speed and put the rudder right full Y d. increase speed and put the rudder right full 2674: You operate a harbor craft on inland waters exclusively. If you regularly service or contact foreign flag vessels in the course of business, which statement is TRUE?
N a. Your vessel must be inspected. Y b. Your crew must have identification credentials. N c. A customs official must be on board when contacting a foreign flag vessel. N d. All contacts with a foreign flag vessel must be reported to the U.S. Coast Guard. 2798: The primary purpose of the stud is to prevent the anchor chain from __________.
Y a. kinking N b. distorting N c. elongating N d. breaking 2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.
N a. portions of the Chicago River N b. portions of the Calumet River Y c. the St. Lawrence River to Trois Rivieres N d. Saginaw Bay 2912: When tank cleaning with a portable machine, the weight of the machine is suspended from __________.
N a. solid iron bars clamped to the Butterworth opening Y b. the supply hose N c. the suspension line, usually manila or natural fiber line N d. a wire rope suspension line 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 2918: What is the period of validity of a De-Rat certificate?
N a. Specific voyage Y b. 6 months N c. 1 year N d. 2 years 3046: What is an explosion hazard when exposed to flame?
N a. Formic acid N b. Nitrous oxide N c. Tallow Y d. Toluene 3050: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise control over cargo flow Y b. Quick operation N c. No resistance to cargo flow when open N d. Less maintenance required 3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.
N a. trip or capsize Y b. foul the towline N c. go into irons N d. part the towing strap 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 3722: The next-to-last shot of an anchor cable is usually painted __________.
N a. white N b. international orange Y c. yellow N d. red 4171: While loading or discharging vehicles, which is the most important safety consideration aboard a Ro-Ro vessel?
Y a. Preventing the asphyxiation of personnel below decks N b. Notifying the engine room prior to completing operations N c. Calling out the deck department for all hands periodically N d. Ensuring that a fuel barge cannot come alongside 4179: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Raise/open stern door, lower the stern ramp, turn on ventilation for cargo holds N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door Y d. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All of the above 4272: Which action should be taken immediately by the operator of a pedestal crane, if crane control is lost?
N a. Increase power to the crane to regain control. N b. Place control levers in opposite positions. Y c. Let go of both control levers and return to the neutral positions. N d. Check the circuit breakers.