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 98: A hygroscopic cargo is defined as a cargo __________.
Y a. capable of absorbing moisture in the form of a gas N b. capable of giving off moisture in the form of a liquid N c. that is shipped in a liquid state N d. that will ignite in contact with water 221: A vessel arrives in a foreign port and the Master is informed that the vessel is being sold to foreign interests. The new owners request that the crew remain on board to complete the voyage. Under these circumstances, the crew __________.
Y a. has the right to an immediate discharge and transportation to original port of engagement N b. must remain on board N c. must comply with the decision made by the Master N d. must remain aboard until the vessel is delivered to the new owners at a mutually agreed upon port 225: For safety reasons, when assistance towing __________.
N a. the disabled vessel should be towed to the nearest port N b. the disabled vessel should be inspected for flammable gases N c. passengers should always be removed from the disabled vessel Y d. personnel on the disabled vessel should don PFD's 241: If there are any changes in the crew in a foreign port, the changes will be made by __________.
N a. the Master on the Certified Crew List Y b. the Master on the Shipping Articles N c. U.S. Consul on the Certified Crew List N d. U.S. Consul on the Shipping Articles 248: Dunnage may be used to protect a cargo from loss or damage by _______________________ .
Y a. ship's sweat N b. inherent vice N c. tainting N d. hygroscopic absorption 324: A "chock" is a __________.
N a. deck fitting used to secure mooring lines Y b. casting fitted at the side of a weather deck, used as a fairlead N c. sharp block of wood used to support hygroscopic cargo N d. smoke pipe for the galley stove 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. 468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.
N a. air temperature is higher than the temperature of the cargo N b. air temperature is lower than the temperature of the cargo Y c. dew point is higher than the temperature of the cargo N d. dew point is lower than the temperature of the cargo 477: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
N a. An injury requiring first aid treatment N b. Damage of bridge-to-bridge radio capability Y c. Accidental stranding or grounding N d. Damage to property amounting to $12,500 559: A vessel loads edible oil in a deep tank through a manhole at the mid-length of the tank. In order to fill the tank to maximum capacity, what trim should the vessel have?
N a. Down by the bow N b. Down by the stern N c. Down by either the bow or stern Y d. In level trim 631: At least one reinspection shall be made on each vessel holding a Certificate of Inspection valid for two years. This inspection shall be held between the tenth and fourteenth months of the duration period of the certificate and shall be __________.
N a. at the discretion of the inspector, but in no greater detail than required for original certification N b. at the discretion of the inspector, but in no lesser detail than required for original certification Y c. generally similar in scope to the inspection required for certification, but in less detail N d. equivalent to the inspection required for certification 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 665: The catenary __________.
N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow N b. gives an approximation of the amount of strain on the towing hawser N c. is the dip in the towing hawser between the tug and the tow Y d. All of the above 729: A petroleum liquid has a flash point of 85°F. This is a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 762: A towing winch, that handles a wire towline, must have all of the following EXCEPT a ____________ .
N a. device that evenly spools and tightly winds the towline N b. brake with holding power appropriate for the vessel's horsepower or bollard pull N c. brake that can be operated when there is no power available to drive the winch Y d. source of emergency power to operate the winch 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 1003: You are on a containership. The cargo includes a container of small arms ammunition, a container of lead-acid storage batteries and a container of methyl acetylene bottles. Which statement is TRUE?
N a. The storage batteries must be stowed on deck away from the ammunition. N b. The storage batteries must be at least ten horizontal feet away from the methyl acetylene. N c. The ammunition must be separated from the methyl acetylene by at least one hold. Y d. No separation is required because freight containers are exempted. 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 1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames 1126: You are approaching a pier and intend to use the port anchor to assist in docking port side to. You would NOT use the anchor if __________.
N a. the current was setting you on the pier N b. another vessel is berthed ahead of your position N c. the wind was blowing from the starboard side Y d. there is shallow water enroute to the berth 1132: A lookout can leave his station __________.
N a. at the end of the watch N b. at any time Y c. ONLY when properly relieved N d. 15 minutes before the end of the watch 1141: A vessel has arrived in a U.S. port from a foreign voyage. Preliminary entry has been made. Formal entry at the U.S. Custom House must be made within how many hours after arrival (Sundays and holidays excepted)?
N a. 12 N b. 24 Y c. 48 N d. 72 without exception 1178: A shipper of cargo aboard your vessel offers a letter of indemnity for the cargo. This is done in order to obtain a(n) __________.
Y a. Clean Bill of Lading N b. Order Bill of Lading N c. Straight Bill of Lading N d. Through Bill of Lading 1230: Which statement concerning solid floors is TRUE?
N a. They must be watertight. Y b. They may have lightening, limber, or air holes cut into them. N c. They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end. N d. They are lighter than open floors. 1242: You are a watchstanding mate and have come to the bridge to relieve the watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change Y b. during a navigational course change N c. unless the helm is in the "hand" mode N d. All of the above 1261: A vessel operating "in class" has met all the requirements of the __________.
Y a. ABS or similar society N b. insurance company N c. U.S. Coast Guard N d. U.S. Customs 1532: To determine the number of portable fire extinguishers required on an inspected vessel, you should check the __________.
N a. hot work permit Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. Muster List ("Station Bill") 1540: In ship construction, keel scantlings should be the greatest __________.
N a. at each frame Y b. amidships N c. one-third the distance from the bow N d. one-third the distance from the stern 1563: Which statement about two lines spliced together is TRUE?
N a. Splicing is used to increase the circumference of each line. Y b. Splicing two lines together is stronger than knotting two lines together. N c. Splicing is used to increase the overall strength of the line. N d. Splicing is used to prevent rotting of the lines bitter end. 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. 1746: Which would you NOT use to report the amount of anchor chain out? "Three shots __________."
N a. at the water's edge N b. on deck Y c. on the bottom N d. well in the water 1769: Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vertical. What is the stress on each fall?
Y a. Port 1.5 tons, starboard 1.0 tons N b. Port 1.5 tons, starboard 1.5 tons N c. Port 1.7 tons, starboard 1.3 tons N d. Port 1.7 tons, starboard 2.0 tons 1831: A "loose" tow may cause all of the following EXCEPT __________.
N a. loss of maneuverability N b. lines to part N c. damage to the towing vessel and tow Y d. a saving in the transit time 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 1944: The garboard strake is indicated by which letter? (D033DG )
N a. A N b. B N c. G Y d. H 1977: On a crane, the boom indicator tells the operator what angle the boom angle is compared to the __________.
N a. vertical position Y b. horizontal position N c. boom stop angle N d. minimum radius angle 1993: The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is __________.
N a. coiling the line Y b. faking down the line N c. flemishing the line N d. racking the line 2018: When towing astern, one way to reduce yawing of the tow is to __________.
Y a. trim the tow by the stern N b. trim the tow by the head N c. have the tow on an even keel N d. list the tow on the side it is yawing 2045: When relieving the helm, the new helmsman will find it helpful to know the __________.
N a. deviation on that heading N b. variation in the area N c. leeway Y d. amount of helm carried for a steady course 2393: Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.
N a. 285.6 lbs. N b. 329.7 lbs. N c. 591.2 lbs. Y d. 768.8 lbs. 2489: A post on a dock or wharf used to secure mooring lines or hawsers is called a __________.
N a. bitt Y b. bollard N c. cleat N d. capstan 2581: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
Y a. It pulls the stern toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. N d. It pulls the bow toward the bank. 2594: Which is NOT an advantage of the flush method of welded shell plating?
N a. Reduces weight N b. Reduces frictional resistance N c. Keeps practically 100% of tensile strength at the joints Y d. Reduces plate stress 2639: A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.
Y a. filling completely N b. developing free surface N c. developing free surface moment N d. collapsing 2785: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message?
N a. P (PRIORITY) Y b. R (ROUTINE) N c. O (IMMEDIATE) N d. Z (FLASH) 2844: Naval authorities would NOT give orders about which of the following, when the vessel is under control of the Naval Control of Shipping Organization?
N a. Visual communication at sea N b. Rescue operations N c. Diversions Y d. Schedules for loading cargo 2852: On a small passenger vessel the collision bulkhead is __________.
N a. amidships forward of the engine room N b. just forward of the steering compartment N c. in the engine room Y d. A distance of 5% to 15% of the waterline length abaft the stem measured at the load waterline 2861: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y b. Recommend an alternative action and if not followed relieve the pilot. N c. State his concerns to the Pilot but do not interfere with the handling of the vessel. N d. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel. 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 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 3080: Which method should be used to warm up the pump turbines prior to discharge?
N a. Lock the turbine rotor and slowly bleed in steam until operating temperature is reached N b. Run the pump at high speed with the discharge valves closed N c. Run the turbine at slow speed with the pump disconnected Y d. Shut the discharge valve and run the pump at slow speed 3098: A weight of 1,000 short tons is equivalent to __________.
N a. 1,500 foot-pounds N b. 2,240 long tons N c. 2,000 pounds Y d. 2,000 kips 4103: Which of the following is not a loading or transfer feature aboard a Ro-Ro vessel?
N a. Stern ramp and/or side ramp N b. Cargo lift N c. Hatch opening designed as a lift Y d. Stuelcken boom 4208: What is the purpose of the equalizing beam aboard a crane vessel?
N a. It allows for rotation of the hook in the single mode. Y b. It is required to "twin-up" 30-ton pedestal cranes. N c. It is used to pick up light loads. N d. It is used to rigidly connect two cranes. 4226: What does item "E" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
Y a. Tagline N b. Electric cable N c. Cargo snaking wire N d. Hook release cable 4234: What describes a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Two cranes on a single pedestal hoisting 60 tons Y c. Two sets of twin cranes hoisting 120 tons N d. All of the above 4250: Which action(s) is/are included in crane operations?
N a. Pre-operation checks and start-up N b. Removing booms from stowage N c. Luff, slew, and hoist operations Y d. All of the above 4254: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. Each single boom is of the partial-level luffing type and is capable of limited rotation. N b. A slew drive system provides for rotation of each crane. N c. Maintenance logs and records are to be kept for each crane. Y d. All of the above 4267: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
Y a. The discharge is slow due to the size of the cargo and all the cranes working together. N b. The cargo discharge can be accomplished with controlled pendulation. N c. The cargo discharge can be performed in port or at anchor. N d. The cranes enable the handling of heavy cargos without shoreside assistance.