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.
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 326: In order to back a right-handed, single-screw vessel in a straight line, you will probably need to use __________.
N a. very little rudder N b. some left rudder Y c. some right rudder N d. full left rudder 342: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?
N a. You must have two toxic vapor detectors or the pumproom must meet special requirements. N b. Each crew member must be provided with an emergency escape breathing apparatus. Y c. A person taking cargo samples must wear protective clothing. N d. If you are also carrying allyl alcohol, the venting systems must be segregated. 406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?
N a. If one screw is stopped, the ship will turn toward the side of the stopped screw. N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder. Y c. Turning response by use of the rudder only is greater than on a single-screw vessel. N d. With the rudder amidships, the ship will steer a fairly steady course. 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. 3 579: 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 628: Before loading bulk grain, bilge wells must be covered to __________.
N a. add strength to the bilge well strainer N b. permit rapid flow of water to the bilge wells Y c. prevent cargo sifting into the bilge wells N d. prevent oil, water, or other liquid from reaching the cargo 647: Synchronous towing means that the __________.
N a. tug is on the crest of a wave while the tow is in the trough N b. tug is in the trough while the tow is riding on the crest of a wave Y c. tug and tow are both in the same relative position on different waves at the same time N d. port and starboard engines on the tug are turning at the same RPM 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 697: What imminent danger results from tripping?
N a. A crew member being knocked over the side Y b. Capsizing your tug N c. Your tug being pulled backwards by your tow N d. The tow being thrown off course 703: The operator of an uninspected vessel MUST assist people affected by an accident if he or she can do so without __________.
Y a. serious danger to his or her own vessel N b. further damaging the other vessel N c. undue delay N d. creating a panic on either vessel 819: Which pump must be primed?
N a. Rotary pump N b. Reciprocating pump Y c. Centrifugal pump N d. All of the above 860: Which category of able seaman is not authorized to be counted as an able seaman on a seagoing tug of over 100 gross tons?
N a. Unlimited N b. Limited N c. Special Y d. Special (OSV) 862: The term "pintle" and "gudgeon" are associated with the __________.
N a. anchor windlass N b. jumbo boom Y c. rudder N d. steering engine 987: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. N c. Put the rudder amidships and hold the heading steady as she goes. Y d. Put the rudder over to the opposite side, the same number of degrees it is now. 1014: In order to detect rot in manila lines, you should __________.
N a. feel the surface of the line for broken fibers N b. measure the reduction in circumference of the line N c. observe any mildew on the outer surface Y d. open the strands and examine the inner fibers 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 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 1147: You are on watch and the pilot has just anchored the vessel. The next thing that you should do after the anchor has been let go is to __________.
N a. stop the engines N b. escort the pilot to the accommodation ladder Y c. plot the vessel's position on the chart N d. make a round of the weather decks 1186: Which term describes a rope in which three right-handed strands are laid up left-handed?
N a. Soft-laid N b. Hard-laid N c. Shroud laid Y d. Hawser-laid 1207: The Tonnage Certificate indicates __________.
N a. deadweight tons N b. displacement tons Y c. net tons N d. light displacement tons 1421: The charterer has completed loading the vessel in 3 days instead of the 5 days agreed to in the charter party. As a result of this, the __________.
N a. shipowner may charge for two lay days Y b. charterer may receive dispatch money N c. stevedore may collect demurrage N d. consignee may be required to pay a ceaser fee 1617: Using the graph in illustration D008DG, if the dry bulb temperature is 84°, and the wet bulb temperature is 81°, what is the relative humidity in a cargo hold? (D008DG )
N a. 71% N b. 79% N c. 81% Y d. 87% 1641: The helm command "Steady as you go" means __________.
Y a. steer the course you are on now N b. steer the course when the swing stops N c. maintain the rate of swing N d. don't allow the vessel to swing off course so much 1774: Which knot is used to attach two different sized lines together?
N a. Granny knot Y b. Sheet bend N c. Square knot N d. Thief knot 1893: A block and tackle is "rove to advantage". This means that the __________.
N a. blocks have been overhauled N b. hauling parts of two tackles are attached Y c. hauling part leads through the movable block N d. hauling part leads through the standing block 1928: Which towing method maintains the most control over the tow?
N a. Tandem towing N b. Honolulu towing N c. Tandem tug towing Y d. Breasted tug towing 1940: Nonflammable gases should have what kind of label?
N a. Skull and crossbones N b. White Y c. Green N d. Red 1967: Using the graph shown, if the dry bulb temperature is 92°, and the wet bulb temperature is 85°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 75% N b. 81% N c. 84% N d. 88% 1969: If you shorten the scope of anchor cable, your anchor's holding power __________.
Y a. decreases N b. increases N c. remains the same N d. has no relation to the scope 2048: The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to __________.
N a. one-half the SWL of the main towing hawser N b. three-fourths the SWL of the main towing hawser Y c. that of the main towing hawser N d. twice that of the main towing hawser 2104: You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?
N a. Steering a zigzag course with 5 to 10 minutes on each leg N b. Steering a sinuous course N c. Dumping debris over the side to make a trail to your vessel Y d. Making smoke in daylight 2205: On the fully containerized ship, approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to __________.
Y a. accelerations greater than on conventional vessels N b. accelerations less than on conventional vessels N c. accelerations the same as on conventional vessels N d. no accelerations 2241: The letter M indicates a(n) __________. (D033DG )
Y a. web frame N b. intercostal N c. stringer N d. cant frame 2458: A carling is used aboard ship __________.
N a. as a connecting strap between the butted ends of plating Y b. to stiffen areas under points of great stress between beams N c. to prevent the anchor from fouling when the brake is released N d. to provide an extra heavy fitting in a heavy lift cargo rig 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 2475: The use of liners in riveted construction is eliminated by using __________.
N a. lapped construction N b. strapped construction Y c. joggled construction N d. belted construction 2476: At the outbreak of war your ship is caught in an enemy port. Which statement is FALSE?
N a. You should attempt to contact U.S. Consular officials. N b. You should attempt to clear for sea before your ship is interned. Y c. You should resist boarding by local officials. N d. You should try to send a Ship Hostile Action Report to the NGA (formerly NIMA). 2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?
Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases. N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien. N c. Damage caused by riot of the population of a port. N d. Losses caused by fines from polluting the harbor after malfunction of a piping system. 2676: Who cannot commit the crime of barratry?
N a. Master N b. Ship's officer(s) N c. Ship's unlicensed crewmember(s) Y d. Ship owner 2824: While being assisted by an icebreaker on Lake Superior, you receive a single letter code instructing you to slow your vessel. Which signal could you use to signify that you are complying with the request?
N a. Three blasts of the whistle N b. The code flag "A" (Alpha) displayed from a halyard Y c. Four blasts of the whistle, namely 1 short 2 long and 1 short N d. The code flag "L" (Lima) displayed from a halyard 2882: What does the line labeled "MS" denote on the Great Lakes load line model shown? (D031DG )
N a. Mean sea level N b. Midseason N c. Maximum submergence Y d. Midsummer 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 2932: Which type of rudder may lose its effectiveness at angles of 10 or more degrees?
N a. Contra-guide Y b. Balanced spade N c. Unbalanced N d. Flat plate 3008: A list signal of one white light indicates that the vessel is __________.
N a. on an even keel Y b. listing about 1° to the side the light is displayed on N c. listing over 5°With the light displayed on the high side N d. listing, and the chutes should be directed to the side where the light is displayed 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3204: What term indicates the immersed body of the vessel forward of the parallel mid-body?
N a. Run N b. Flare Y c. Entrance N d. Sheer 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 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 3392: What term indicates the midships portion of a vessel that has a constant cross section?
N a. Half length N b. Amidships Y c. Middle body N d. Molded length 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 3500: Small hull leaks can be temporarily repaired by __________.
N a. parceling N b. parbuckling Y c. caulking N d. seizing 3570: As look-out, you spot an object 45° off your port bow. You should report the object as __________.
Y a. broad on the port bow N b. 3 points on the port bow N c. 3 points forward of the port beam N d. on the port beam 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N d. All of the above 4122: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. pitching and heaving N b. rolling N c. any force of gravity acting on the lashes Y d. All of the above 4227: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )
N a. Foundation assembly N b. Turntable assembly N c. Crane house assembly Y d. All of the above 4249: Which action(s) are included in crane operations?
N a. Pre-operation of the anchor windlass N b. Preparing steam on deck Y c. Luff, slew, and hoist operations N d. All of the above 4266: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
N a. The cranes require shoreside assistance to handle heavy cargos. N b. The cargo discharge cannot be accomplished without pendulation. N c. The cargo discharge cannot be performed at anchor. Y d. The discharge is slow due to the size of the cargo and all the cranes working together. 4378: Which statement concerning an automatic towing engine is FALSE?
N a. It automatically maintains tow line tension. N b. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in. Y c. As tension on the hawser increases, more line is taken in by the automatic towing engine. N d. As tension on the hawser decreases, more line is taken in by the automatic towing engine.