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.
123: If you are forced to abandon ship in a lifeboat, you should __________.
Y a. remain in the immediate vicinity N b. head for the nearest land N c. head for the closest sea-lanes N d. vote on what to do, so all hands will have a part in the decision 136: Which item is NOT required to be marked with the vessel's name?
Y a. Hand-portable fire extinguisher N b. Life preserver N c. Immersion suit N d. Lifeboat oar 244: A vessel is flying the signal "BJ-1" from her starboard halyard. The signal means "_____."
N a. an aircraft is ditched in position indicated N b. the aircraft is still afloat N c. there is no danger of explosion Y d. an aircraft is circling over an accident 301: Which factor has the greatest effect on the value of the free surface correction?
Y a. The width of the tank N b. The length of the tank N c. The draft of the vessel N d. The specific gravity of the liquid in the tank 571: To increase the extent of flooding your vessel can suffer without sinking, you could __________.
N a. ballast the vessel Y b. increase reserve buoyancy N c. lower the center of gravity N d. raise the center of gravity 597: The "Vessel Bridge-to-Bridge Radiotelephone Act" applies to __________.
N a. every towing vessel of 16 feet or over in length while navigating N b. every vessel of 50 GT and upward, carrying one or more persons for hire N c. all aircraft operating on the water Y d. every power-driven vessel of 20 meters and upward while navigating 799: Lines or gear NOT in use should be __________.
N a. conspicuously marked N b. stowed anywhere N c. left on deck Y d. secured or stowed out of the way 906: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 1070: On small passenger vessels, fuel lines may be made of __________.
N a. plastic, rubber, or seamless steel tubing N b. stainless steel, iron, or brass N c. copper, plastic, stainless steel, or galvanized iron Y d. annealed tubing of copper, nickel-copper, or copper nickel 1258: On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called __________.
N a. acrylic acid N b. benzene Y c. oleum N d. vinyl toluene 1368: A fire in electrical equipment should be extinguished by using __________.
N a. salt water N b. foam N c. low-velocity fog Y d. CO2 1413: Your vessel is damaged, and there is no list or trim. The rolling period is short. The freeboard before the damage was 12'02" (3.7 meters). It is now reduced to 3'00"(1 meter). Which action would you take FIRST?
N a. Press up a slack centerline double bottom tank Y b. Pump out an amidships centerline ballast tank N c. Transfer ballast from the peak tanks to an amidships centerline tank N d. Pump out the marine potable tank located on the starboard side amidships 1637: Which is a disadvantage of Halon as a fire extinguishing medium?
N a. Conducts electricity N b. Difficult to store N c. Large volume necessary to be effective Y d. Ineffective in powdered metal fires 1709: Why is gas-freeing rarely required for LPG cargo tanks?
N a. LPG is compatible with all cargos. N b. LPG's high oxygen content makes it nonvolatile. N c. Cargo tanks are inspected less frequently than on oil tankers. Y d. The cargo tanks are used for one type of cargo only. 1928: Your vessel displaces 740 tons and measures 141'L by 34'B. What is the reduction in GM due to free surface if the fish hold (41'L by 30'B by 9'D) is filled with 2.5 feet of water? (Each foot of water weighs 35.1 tons)
N a. 2.14 feet N b. 2.75 feet N c. 2.96 feet Y d. 3.18 feet 1999: Which channel and mode should be used when initiating a Distress alert transmission?
N a. Channel 6 DSC N b. Channel 6 Radiotelephony N c. Channel 13 Radiotelephony and Channel 16 DSC Y d. Channel 70 DSC 2011: What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received?
N a. No action is necessary, as the DSC control unit will automatically switch to the NBDP follow-on communications frequency. Y b. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received. N c. The Operator should immediately set continuous watch on VHF channel 70. N d. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received. 2063: If there are a number of survivors in the water after abandoning ship, they should __________.
N a. tie themselves to the unit so they won't drift with the current Y b. form a small circular group to create a warmer pocket of water in the center of the circle N c. send the strongest swimmer to shore for assistance N d. form a raft by lashing their life preservers together 2099: Cargo hose carried on tank vessels shall be able to withstand a pressure of at least __________.
N a. 75 psi N b. 100 psi N c. 120 psi Y d. 150 psi 2168: When a vessel is stationary and in a hogging condition, the main deck is under which type of stress?
N a. compression Y b. tension N c. shear N d. racking 2253: Using a sea anchor with the survival craft will __________.
Y a. reduce your drift rate N b. keep the survival craft from turning over N c. aid in recovering the survival craft N d. increase your visibility 2374: You are offloading garbage to another ship. Your records must identify that ship by name and show her __________.
N a. home port N b. next port-of-call N c. Master Y d. official number 2493: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0066
N a. 1171.5 tons Y b. 1311.0 tons N c. 1503.0 tons N d. 1710.5 tons 2496: What type of vent system would a barge of acrylonitrile have?
N a. Open Y b. Pressure-vacuum N c. Safety relief N d. Rupture disk 2666: Your vessel's drafts are: FWD 18'-09", AFT 20'-05"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 15° inclination.
Y a. 0.7 foot N b. 1.0 feet N c. 1.7 feet N d. 3.8 feet 2779: Error may be introduced into a magnetic compass by __________.
N a. making a structural change to the vessel N b. a short circuit near the compass N c. belt buckles Y d. All of the above 2805: A vessel heading NNW is on a course of __________.
N a. 274.5° N b. 292.0° N c. 315.5° Y d. 337.5° 2899: All small passenger vessels operating on lakes, bays, sounds, or river routes on runs of more than 30 minutes are required to carry __________. (small passenger vessel regulations)
Y a. 3 red hand flare distress signals and 3 orange smoke hand distress signals N b. 8 red hand flare distress signals and 8 orange smoke hand distress signals N c. 6 red hand flare distress signals and 6 orange smoke hand distress signals N d. None of the above 2967: When a wind force causes a floating MODU to heel to a static angle, the __________.
N a. centers of buoyancy and gravity are in the same vertical line Y b. righting moment equals the wind-heeling moment N c. downflooding point is below water N d. deck-edge immersion occurs 2981: The center of gravity of a freely swinging load suspended from a pedestal crane acts as if it were located at the __________.
Y a. counterweight N b. pedestal N c. longitudinal centerline N d. point of suspension 2998: The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of __________. (Uninspected Vessel Regulations)
N a. one approved flotation cushion for each person on board Y b. one approved life preserver for each person on board and one lifebuoy N c. one approved inflatable vest for each person on board N d. lifeboat capacity equal to 1 1/2 times the number of persons on board 3027: If the result of loading a MODU is an increase in the height of the center of gravity, there will always be an increase in the __________.
N a. metacentric height N b. righting arm N c. righting moment Y d. vertical moments 3149: To find the cause of a gasoline engine's failure to start, you should __________.
N a. break the joint in the fuel line at the engine and let the gas run in the bilges N b. disconnect the wires at the spark plugs and make the spark jump the gap N c. prime the engine with ether through spark plug openings Y d. ventilate the space, then check the battery, spark plugs, carburetor, and fuel line 3257: A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. To maintain draft, ballast is discharged from a height of 20 feet. What is the change in KG?
Y a. 1.5 feet upward N b. 1.5 feet downward N c. 0.8 foot upward N d. 0.8 foot downward 3265: A semisubmersible with a displacement of 20,000 tons and KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. Ballast added to maintain draft has a VCG of 20 feet. What is the change in KG?
N a. 0.49 foot increase N b. 0.50 foot decrease Y c. 1.50 feet decrease N d. 1.80 feet decrease 3409: To launch a liferaft by hand, you should __________.
N a. cut the casing bands, throw the raft over the side and it will inflate by itself N b. detach the operating cord, throw the liferaft over the side and it will then inflate N c. cut the casing bands, throw the raft over the side and pull the operating cord Y d. throw the liferaft over the side and pull the operating cord 3487: Generally, what is used to inflate liferafts?
Y a. non-toxic inert gas N b. Oxygen N c. Hydrogen N d. Carbon monoxide 3514: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0136
N a. 2.8 feet N b. 4.6 feet N c. 6.8 feet Y d. 7.1 feet 3634: You are underway in mid-ocean when you hear a distress message. The position of the sender is 150 miles away. No other vessel has acknowledged the distress. Your maximum speed is 5 knots and due to the seriousness of the distress, you cannot arrive on scene to provide effective assistance. What action should you take?
N a. Do not acknowledge the distress message. N b. Send an urgency message about the distress. Y c. Use the signal MAYDAY RELAY and transmit the distress message. N d. Transmit a message as though your vessel was in distress. 3692: Before CPR is started, you should __________.
Y a. establish an open airway N b. treat any bleeding wounds N c. insure the victim is conscious N d. make the victim comfortable 3829: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 3835: What port-side valves must be open to transfer ballast from Tank 10P to Tank 1P on the DEEP DRILLER, using the Port #1 ballast pump?
Y a. 23, 35, 34, 33, 43, and 2 N b. 23, 43, 33, and 1B N c. 23, 33, 43, and 1 N d. 23, 35, 34, 33, 43, and 1 3905: On the DEEP DRILLER, when using the starboard #2 ballast pump to provide water to the main deck from the sea, it is necessary to open valves __________.
Y a. 37, 35, 36, 45 N b. 37, 36, 46, 47 N c. 38, 47 N d. 38, 47, 45, 46 4056: Which installed equipment must be tested and logged when a new Master assumes command?
N a. Internal communications, including sound-powered telephones N b. Navigational lights and search lights N c. Vessel control alarms Y d. All of the above must be tested 4073: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new TM (transverse moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. -3,436 ft-tons Y b. 3,446 ft-tons N c. 3,594 ft-tons N d. 22,682 ft-tons 4076: In the illustration shown, the equipment bags are indicated by item number __________. (D014SA )
N a. 12 N b. 15 N c. 17 Y d. 19 4215: A mat-type jack-up drilling unit is the best selection for __________.
Y a. soft mud bottoms N b. uneven bottoms N c. deep water N d. hard bottoms 4270: Which statement about immersion suits is TRUE?
N a. The primary color of the suit's exterior may be red, orange or yellow. Y b. The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. N c. The suit is flameproof and provides protection to a wearer swimming in burning oil. N d. The suit may be stored in a machinery space where the ambient temperature is 160°F. 4665: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new VCG?
N a. 47.21 feet N b. 47.69 feet N c. 48.41 feet Y d. 49.16 feet 4753: Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse moments with this transfer?
N a. 56 ft-kips N b. 979 ft-kips N c. 1035 ft-kips Y d. 2010 ft-kips 5077: The requirements for obstruction lights on mobile offshore drilling units apply on all waters __________.
N a. outside the boundary lines that are covered by International Rules of the Road N b. outside the lines of demarcation that are covered by the U.S. navigational rules Y c. over the Outer Continental Shelf and on waters under the jurisdiction of the United States N d. over the prohibited zone defined in the Oil Pollution Control Act of 1961 5312: As shown, the line indicated by number 4 is connected to the __________. (D016SA )
N a. releasing gear N b. sea painter Y c. McCluny hook N d. Fleming gear 5935: The size of fire hydrant hose connections must be either 1-1/2 inches or __________.
N a. 1 inch Y b. 2-1/2 inches N c. 3 inches N d. 3-1/2 inches 6571: To determine the number of portable fire extinguishers required on a mobile offshore drilling unit, you should check the __________.
N a. hot work permit Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. Operations Manual 6941: On offshore drilling units, any reports of a casualty that are made are required to be retained on board for a period of at least __________.
Y a. 3 months N b. 6 months N c. 12 months N d. 24 months 6967: A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?
N a. Nearest Oceanographic office N b. The Marine Safety Center at Coast Guard Headquarters N c. National Ocean Service Y d. Nearest Officer in Charge, Marine Inspection 7113: Fire extinguishers used on MODU's are numbered by size I through V, with I being __________.
N a. used for electrical fires only Y b. the smallest N c. the most accessible N d. the most effective 8263: When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.
N a. is full Y b. may be partially flooded N c. level has dropped N d. is completely flooded 8783: When using a hand held smoke signal aboard a survival craft, you should activate the signal __________.
Y a. on the downwind side of the craft N b. on the upwind side of the craft N c. inside the craft N d. at the stern of the craft 8913: In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for __________.
N a. equipment storage N b. machinery N c. elevators Y d. reserve buoyancy