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.
197: Normally, potable water systems are connected directly to the __________.
N a. fire-main system N b. feed-water system N c. freshwater sanitary system Y d. domestic water tank 242: You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs of the lifeline mean to take up the slack?
N a. One N b. Two Y c. Three N d. Four 246: On a vessel of 125,000 GT on an international voyage, how many international shore connection flange(s) must be provided?
Y a. 1 N b. 2 N c. 3 N d. 4 455: Fuel for use on a vessel (300 GT or more constructed before July 1, 1974) may be carried in independent tanks forward of a collision bulkhead if the __________.
Y a. tanks were designated, installed, or constructed for fuel oil carrying before July 1, 1974 N b. tank is 18 inches inboard of the hull structure N c. shell of the tank is of the same thickness or greater than that of the vessel's hull N d. fuel has a flash point above 180°F 456: On a vessel of 900 GT, the minimum number of fire axes required is __________.
N a. 2 N b. 4 Y c. 6 N d. 8 606: When lifeboat winches with grooved drums are fitted on a vessel the lead sheaves to the drums shall be located to provide fleet angles of not more than __________.
N a. 4° Y b. 8° N c. 12° N d. 16° 608: A fire of escaping liquefied flammable gas is best extinguished by __________.
N a. cooling the gas below the ignition point N b. cutting off the supply of oxygen Y c. stopping the flow of gas N d. interrupting the chain reaction 620: A vessel's LCG is determined by __________.
Y a. dividing the total longitudinal moment summations by displacement N b. dividing the total vertical moment summations by displacement N c. multiplying the MT1 by the longitudinal moments N d. subtracting LCF from LCB 657: What is the normal operating power for ship-to-ship communications on channel 13?
Y a. 1 watt or less N b. 5 watts N c. 10 watts N d. 20 watts 899: EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?
N a. Head up and feet down Y b. Head down and feet up N c. Flat on back with head and feet elevated N d. Arms above the head 931: The major cause of shock in burn victims is the __________.
N a. high level of pain N b. emotional stress N c. increase in body temperature and pulse rate Y d. massive loss of fluid through the burned area 1034: Which vessels must comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
Y a. All towing vessels 26 feet in length or greater N b. All passenger vessels less than 100 gross tons N c. All power-driven vessels 12 meters or less in length N d. All of the above 1247: The BEST method of applying foam to a fire is to __________.
N a. spray directly on the base of the fire Y b. flow the foam down a nearby vertical surface N c. sweep the fire with the foam N d. spray directly on the surface of the fire 1372: It is necessary to secure the forced ventilation to a compartment where there is a fire to __________.
N a. allow the exhaust fans to remove smoke N b. extinguish the fire by carbon monoxide smothering Y c. prevent additional oxygen from reaching the fire N d. protect fire fighting personnel from smoke 1497: While operating off Panama a seaman is injured. What indicator should be included in the preamble of a radio telegram requesting medical advice from a Panamanian station?
N a. RADIO MEDICAL Y b. DH MEDICO N c. XXX N d. MEDRAD 1630: A deck-stowed 40-foot container is giving off smoke, and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take?
N a. Connect a portable line from the ship's fixed system and discharge CO2 into the container. N b. Flood the container with water and disregard any cargo damage as the fire threatens the entire vessel. Y c. Pierce the container and discharge 6 or more portable CO2's then add more CO2 hourly. N d. Cool the exterior of the container with water and close all vents; then keep it cooled until it can be off-loaded. 1640: A Halon 1301 cylinder contains 100 pounds of liquid at 360 psi. It must be recharged when the weight drops below how many pounds of liquid?
N a. 90 N b. 92 Y c. 95 N d. 98 1975: On a commercial fishing vessel, a wearable personal flotation device must be marked with the name of the __________.
N a. vessel N b. assigned individual N c. owner of the device Y d. Any of the above 2026: Which statement is TRUE concerning the gooseneck?
N a. It is a sailing maneuver which brings the vessel's head through the wind. Y b. It connects the boom to the mast and allows the boom to swing freely. N c. It is a sailing condition where there is a loss of air flow over the sails. N d. None of the above 2223: Knowing the compass heading that is 90° to the side of a MODU will enable the operator of a survival craft to initially steer __________.
N a. into the wind Y b. away in fire and smoke N c. directly to the standby boat N d. directly to the nearest land 2295: All MODU personnel should be familiar with the survival craft's __________.
Y a. boarding and operating procedures N b. maintenance schedule N c. navigational systems N d. fuel consumption rates 2408: If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked, when is it required to be hauled out again?
N a. 12 months since last dry-docking N b. 18 months since last dry-docking N c. 24 months since last dry-docking Y d. 36 months since last dry-docking 2459: A virtual rise in the center of gravity may be caused by __________.
N a. filling a partially filled tank Y b. using fuel from a pressed fuel tank N c. emptying a partially filled tank N d. transferring ballast from the forepeak to the after peak 2559: What is NOT a grade B flammable liquid?
N a. tert-Butylamine N b. Allyl chloride Y c. Ethyl chloride N d. Carbon disulfide 2568: Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 21.3 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 15° inclination.
N a. 0.3 foot N b. 1.3 feet Y c. 1.5 feet N d. 1.8 feet 2679: The primary hazard of liquefied petroleum gas and liquefied natural gas is __________.
N a. pressure N b. toxicity N c. temperature Y d. flammability 2680: You are loading benzyl chloride and a small quantity spills on deck. According to the Chemical Data Guide, which of the following may be used as a substitute for water for the cleanup procedure?
N a. Alcohol N b. Sodium bisulfite Y c. Sodium carbonate N d. Soda ash solution 2773: The required portable radio apparatus on an international voyage must be stowed in __________.
N a. the Master's quarters N b. the ship's office Y c. the radio room, bridge, or protected location N d. an unlocked cabinet next to the Muster List ("Station Bill") 2790: The weight of liquefied petroleum gas vapors as compared to air is __________.
N a. variable N b. the same N c. lighter Y d. heavier 2862: A wooden small passenger vessel operating on a coastwise route in cold water shall carry sufficient inflatable buoyant apparatus for _____________ or meet alternate requirements regarding collision bulkhead standards and the provision of life floats.(small passenger vessel regulations)
N a. all persons aboard Y b. 67% of the total number of persons permitted on board. N c. 50% of all persons aboard N d. 30% of all persons aboard 2901: What is one of the FIRST actions you should take after abandoning and clearing away from a vessel?
Y a. Identify the person in charge. N b. Gather up useful floating objects. N c. Prepare for arrival of rescue units. N d. Arrange watches and duties. 2933: Movement of liquid in a tank when a drilling barge inclines causes an increase in __________.
N a. righting arm N b. metacentric height N c. height of the uncorrected KG Y d. natural rolling period 3129: If water is rising in the bilge of a survival craft, you should first __________.
N a. abandon the survival craft N b. check for cracks in the hull N c. shift all personnel to the stern Y d. check the bilge drain plug 3161: The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.
Y a. filling completely N b. developing free surfaces N c. developing free surface moments N d. collapsing 3179: What is NOT a requirement for storage batteries on tank barges?
Y a. They may be located in cargo handling rooms N b. They must be located in well ventilated spaces N c. Each battery box must have a watertight lining N d. They must be secured against movement 3314: Which device is required to be installed under the carburetor of a gasoline engine? (small passenger vessel regulations)
N a. Box of sawdust Y b. Drip collector N c. Vent N d. Flame arrestor ONLY 3472: If you find an inflatable liferaft container with the steel bands still in place around its case, you should __________.
N a. tell the Master Y b. leave the bands in place N c. tell the Mate N d. remove the bands yourself 3558: Limit switches are located on the survival craft winch systems for OSVs to __________.
Y a. stop the winch just before the survival craft reaches final stowage position N b. limit the amount of cable on the drum N c. limit the ascent rate N d. stop the winch in case the craft's weight exceeds the load lift limit 3689: Changing rescuers while carrying out artificial respiration should be done __________.
Y a. without losing the rhythm of respiration N b. only with the help of two other people N c. by not stopping the respiration for more than 5 minutes N d. at ten-minute intervals 3986: A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed N b. remain on course but slack the speed N c. change course to put the wind on either beam and increase speed Y d. change course and put the stern to the wind 4139: Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by __________.
N a. regulating the oil flow with the six-way valve N b. moving the automatic differential valve N c. moving the follow up indicator which regulates the six-way valve Y d. varying the angle of a tilting box or eccentricity of a floating ring 4193: While going on location in 250 feet water depth when the pitch angle of the COASTAL DRILLER is 2 degrees, the single amplitude pitch period should be longer than __________.
N a. 0.2 second N b. 0.4 second N c. 4.9 seconds Y d. 13.9 seconds 4362: The free surface effects of a partially full tank in a vessel increase with the __________.
Y a. surface area of the fluid in the tank N b. displacement volume of the vessel N c. draft of the vessel N d. height of the tank above the keel 4503: The COASTAL DRILLER has a change of trim by the head of 2.0 feet. What is the change of draft at the forward draft marks?
N a. 0.66 feet N b. 1.00 feet Y c. 1.33 feet N d. 2.00 feet 4791: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds remain less than 70 knots?
Y a. 0 kips N b. 200 kips N c. 600 kips N d. 1,000 kips 5271: The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to pump from __________.
N a. 1P Y b. 3P N c. C1P N d. C2P 5786: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0185
N a. Available GM 2.8 ft N b. Available GM 3.2 ft N c. Available GM 3.5 ft Y d. Available GM 3.8 ft 5957: On a MODU, a CO2 extinguisher is checked by __________.
N a. reading the gage pressure Y b. weighing the extinguisher N c. discharging a small amount of CO2 N d. seeing if the seal has been broken 6273: During a storm, the chance of fatigue failure of a mooring line will increase as __________.
Y a. vessel motions increase N b. mooring tensions decrease N c. KG increases N d. KG decreases 6623: Each hose in the fuel transfer system for helicopter refueling must have a __________.
Y a. static grounding device N b. quick-disconnect nozzle N c. splash guard N d. vapor recovery system 6791: At the required fire drill conducted aboard a MODU, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them __________.
N a. by the toolpusher Y b. in the Muster List ("Station Bill") N c. by the person conducting the drill N d. at the previous safety meeting 6797: Where must you record the date of each emergency training drill conducted on a MODU?
Y a. In the logbook N b. In the Operations Manual N c. On the Certificate of Inspection N d. On the muster list 6797: Where must you record the date of each emergency training drill conducted on a MODU?
Y a. In the logbook N b. In the Operations Manual N c. On the Certificate of Inspection N d. On the muster list 6863: When are fore and aft draft readings required to be entered in the unofficial logbook of a MODU?
N a. Once a day N b. Once a week Y c. Prior to getting underway N d. Only when entering waters of different density 7003: When treating a chemical burn, you should flood the burned area for at least __________.
Y a. five minutes N b. ten minutes N c. fifteen minutes N d. twenty minutes 8707: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). If port valves 24 and 2 are mistakenly opened, the change in inclination will be increasing trim by the __________.
Y a. bow with port list N b. bow N c. stern N d. stern with starboard list 9098: When a rescue vessel approaches a lifeboat in heavy seas, the person in charge of the lifeboat should __________.
N a. tie up to the rescue vessel N b. transfer only those personnel who are not seasick Y c. wait for calmer weather before transferring personnel N d. transfer all personnel immediately 9115: An airplane should NOT send which signal in reply to a surface craft?
Y a. Opening and closing the throttle N b. Rocking the wings N c. Flashing the navigational lights off and on N d. Flashing Morse T 9347: CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge?
N a. 80% N b. 85% Y c. 90% N d. 95% 9537: When the height of the metacenter is less than the height of the center of gravity of a vessel, the upright equilibrium position is __________.
N a. stable N b. neutral Y c. unstable N d. negative