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.
121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Able Seamen are not required in the deck crew. N b. Sailors may stand watch for 6 hours on and 6 hours off. N c. A licensed Chief Engineer is required. Y d. All crew members must have Merchant Mariner's Documents. 135: Corrosive liquids and acids should have which kind of label?
N a. Skull and crossbones N b. Yellow and white N c. Red and white Y d. White and black 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. 216: As a ship moves through the water, it drags with it a body of water called the wake. The ratio of the wake speed to the ship's speed is called __________.
N a. propeller velocity N b. speed of advance N c. wake distribution Y d. wake fraction 226: Which statement is TRUE concerning the vessel's slipstream?
N a. It has no effect on the steering of the vessel. N b. It has no effect on the rudder when the helm is amidships. N c. Its velocity is the same as that of the wake. Y d. The propeller gives it a helical motion. 309: When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?
N a. Draft and trim Y b. Limits of the bending moments N c. Rate of discharging N d. Rate of loading 347: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to the New York area, a distance in excess of 600 miles. Which statement is FALSE?
Y a. Certificates of Discharge are not required to be issued. N b. All crew members shall have Merchant Mariner's Documents. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into 3 watches. 623: When hugging a bank in a narrow channel, you should take precautions against_______________.
N a. bank suction, squat and the effects of vessels passing close aboard N b. clogged sea chests, plugged sea strainers and overheated machinery N c. striking underwater obstructions close to the bank Y d. All of the above 650: A crew member has just fallen overboard off your port side. Which action should you take?
N a. Immediately put the rudder over hard right. Y b. Immediately put the rudder over hard left. N c. Immediately put the engines astern. N d. Wait until the stern is well clear of the man and then put the rudder over hard right. 654: A rope made of a combination of wire and fiber is known as __________.
N a. independent N b. lang lay N c. preformed Y d. spring lay 708: The National Cargo Bureau represents the __________.
N a. agent N b. operator N c. shipper Y d. All of the above 736: You notice that your speed has decreased, the stern of your vessel has settled into the water, and your rudder is sluggish in responding. The MOST likely cause is __________.
N a. mechanical problems with the steering gear Y b. shallow water N c. loss of lubricating oil in the engine N d. current 744: When using natural-fiber rope, you should NEVER __________.
N a. dry the line before stowing it N b. reverse turns on winches periodically to keep out kinks Y c. try to lubricate the line N d. use chafing gear 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 881: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. completely black out the entry and rewrite Y c. draw a line through the entry, rewrite, and initial N d. draw several lines through the entry and rewrite 916: A condition where two currents meet at the downstream end of a middle bar can be determined by a __________.
N a. small whirlpool N b. smooth patch of water Y c. V-shaped ripple with the point of the V pointing downstream N d. V-shaped ripple with the point of the V pointing upstream 968: The Master may have his/her license suspended or revoked for __________.
N a. carrying stowaways N b. sailing shorthanded Y c. being negligent N d. All of the above 980: The perforated, elevated bottom of the chain locker, which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains, is called a __________.
N a. cradle N b. draft N c. harping Y d. manger 1008: When anyone voluntarily deposits his/her license or document with a Coast Guard investigating officer __________.
N a. he/she permanently gives up rights to the license or document Y b. it may be for reasons of mental or physical incompetence N c. it must be for reason of addiction to narcotics N d. All of the above 1063: You have been pulled aloft in a bosun's chair rigged to a mast that you intend to paint. You are now supporting your weight by seizing the hauling part and the standing part of the gantline in one hand. Your next procedure in securing the bosun's chair is to __________.
N a. secure the tail of the standing part leading from the becket bend to the mast Y b. dip the bight of the hauling part around your back and up in front of you to form the hitch N c. take a strain on the hauling part by having it led to the gypsy head on a winch N d. secure the standing part of the gantline to the hauling part by taking turns of marlin and tying off 1140: In a transversely framed ship, the transverse frames are supported by all of the following EXCEPT __________.
N a. girders N b. longitudinals N c. side stringers Y d. web plates 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 1201: When clearing customs for a foreign voyage, which of the following is processed at the custom's house and returned to the vessel?
Y a. Shipping Articles N b. Traveling Curio Manifest N c. Official Logbook N d. Cargo Gear Register 1221: Your vessel is in Charleston, S.C. You need not clear Customs if __________.
Y a. all the cargo on board is of U.S. origin and destined for New York N b. you took on no new cargo in Charleston, S.C. and are bound for Puerto Rico and thence foreign N c. you did not discharge any cargo in Charleston and are bound for Panama N d. you did not load any cargo in Charleston and are bound for Halifax 1275: The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?
N a. It will have no effect. N b. It will increase the holding power. Y c. It will reduce the holding power. N d. It will cause the anchor to snag. 1323: "Ease the rudder" means to __________.
Y a. decrease the rudder angle N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships N d. steer the course which is your present heading 1527: A 30,000 DWT tankship is required to have an IOPP certificate when __________.
N a. engaged in the coastwise trade N b. going foreign Y c. calling at ports in another country signatory to MARPOL 73/78 N d. carrying cargoes listed in the MARPOL regulations 1616: In moderate wind and current what should be the length of chain with a single anchor?
Y a. 5 times the depth of the water in good holding ground N b. 10 times the depth of the water in shallow water N c. 2 times the depth of the water in poor holding ground N d. 8 times the depth of the water in deep water 1637: Which statement about a vessel's stability while dry-docking is TRUE?
Y a. Every ton of weight bearing on the blocks acts as if a ton of weight was removed at keel level. N b. When the ship touches the blocks, the beam for stability purposes increases to the beam of the dry-dock. N c. The stability of the vessel increases as a dock is pumped out due to the support of the keel blocks. N d. As the dock begins to support the weight of the vessel, stability calculations are based on the ship and dock as a single unit. 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1676: When preparing to hoist the anchor, you should FIRST __________.
Y a. engage the wildcat N b. put the brake in the off position N c. take off the chain stopper N d. take the riding pawl off the chain 1765: The annual survey for endorsement of a Load Line Certificate must be held within __________.
N a. the three month period immediately following the certificate's anniversary date N b. the three month period immediately preceding the certificate's anniversary date Y c. three months either way of the certificate's anniversary date N d. the three month period centered on the certificate's anniversary date 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" 1925: Which material should NOT be used to secure cargo on deck for a voyage?
N a. Steel chain N b. Wire rope N c. Steel strapping Y d. Fiber rope 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% 2041: Which tackle arrangement has the LEAST mechanical advantage?
Y a. Single whip N b. Gun tackle N c. Luff tackle N d. Twofold purchase 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2116: What is the name of tackle number 10 in illustration DO29DG? (DO29DG )
N a. Two-two purchase N b. Deck purchase Y c. Two-fold purchase N d. Double runner 2124: You are on watch aboard a vessel heading NW, with the wind from dead ahead, in heavy seas. You notice a man fall overboard from the starboard bow. Which action would NOT be appropriate?
N a. Hard right rudder N b. Throw a lifebuoy to the man, if possible N c. Send a man aloft Y d. Get the port boat ready 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. 2261: The machinery associated with heaving in and running out anchor chain is the __________.
N a. winch Y b. windlass N c. draw works N d. dynamic pay out system 2263: You are using tackle number 1 in illustration DO29DG to lift a weight of 100 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. 50 lbs. N b. 55 lbs. N c. 100 lbs. Y d. 110 lbs. 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 2530: Your vessel has gone aground in waters where the tide is falling. The BEST action you can take is to __________.
Y a. set out a kedge anchor N b. shift the vessel's load aft and repeatedly surge the engine(s) astern N c. shift the vessel's load forward and wait until the next high tide N d. slowly bring the engine(s) to full speed astern 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 2562: As you hold a piece of manila line vertically in front of you, the strands run from the lower left to the upper right. Which type of line is this?
Y a. Right-hand laid N b. Cable-laid N c. Sennet-laid N d. Water-laid 2994: Nearly half of all storms that enter the Great Lakes Basin during the period from October through May come from __________.
N a. highs which originate in the east and east central USA N b. lows which originate in north central and western Canada N c. highs which originate in north eastern and eastern Canada Y d. lows which originate in the central and western USA 3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
N a. the compensating tanks on the high side Y b. the list man changing the discharge location of the chutes N c. allowing the grain to level itself as the hold fills to the spar deck level N d. trimming the final loading cone by hand 3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?
N a. 1 3/8 inch N b. 1 1/2 inch Y c. 1 3/4 inch N d. 1 7/8 inch 3448: When inspecting ground tackle, fractures are most frequently found in the __________.
N a. anchor shank Y b. end links N c. swivel N d. fluke 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 3691: On the cargo manifest, the gross weight of a box containing cargo is the weight of the __________.
N a. cargo N b. box Y c. cargo and box N d. rate weight 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 3960: The line with the most stretch is __________.
N a. manila Y b. nylon N c. polypropylene N d. dacron 4022: Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). What action should you take?
N a. Reduce speed Y b. Stop your engines N c. Reverse your engines N d. Stop your vessel instantly 4109: Which operating procedure(s) should be adhered to on a Ro-Ro vessel?
N a. One officer assigned to oversee the initial loading and lashing N b. All lashings should be completed before leaving port N c. Periodic inspection and retensioning of lashings during the voyage Y d. All of the above 4139: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is easily damaged N b. it is affected by temperature Y c. the links lose strength if placed over corners N d. it has high initial cost 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 4251: Which action(s) is/are included in crane operations?
N a. Single-mode set-up & operation N b. Twin-mode set-up & operation N c. Normal boom stowage and shutdown operation Y d. All of the above