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.
27: The atmosphere in a tank is too lean if it is __________.
Y a. incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit) N b. capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit) N c. capable of supporting a fire once started N d. not safe for ballasting 54: On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than __________.
N a. 6° N b. 12° Y c. 20° N d. 25° 145: Which statement concerning an accidental oil spill in the navigable waters of the U.S. is TRUE?
N a. The Corps of Engineers is responsible for the clean up of the spill. N b. The Department of Interior is responsible for the clean up of the spill. N c. A warning broadcast must be made by radiotelephone. Y d. The person in charge must report the spill to the Coast Guard. 356: The number of pounds of carbon dioxide required for each cargo space on a cargo vessel is equal to __________.
N a. the gross volume of the space in cubic feet divided by 100 N b. one pound of CO2 per cubic foot of space N c. one pound of CO2 per square foot of deck area Y d. the gross volume of the space in cubic feet divided by 30 420: The most important figure in calculating the free surface constant of a tank carrying liquids is __________.
N a. depth N b. length N c. displacement Y d. breadth 560: On small passenger vessels each inlet or discharge pipe penetrating the hull less than six inches above the deepest load waterline __________.
N a. must have a check valve to prevent water from entering Y b. except for engine exhausts must have a means to prevent water from entering the vessel if the pipe fails N c. must be fitted with a gate valve N d. must be sealed 638: You are on watch at sea, at night, when the ordinary seaman reports a fire in number five upper 'tween deck. Which of the following should NOT be done immediately?
N a. Sound the general alarm N b. Secure mechanical cargo hold ventilation N c. Call for water on deck Y d. Release carbon dioxide into the affected compartment 757: Which tank vessel must carry a signaling lamp?
N a. A 1,000 GT tanker on a coastwise voyage Y b. A 200 GT tanker on an international voyage N c. A 300 GT tanker on an intercoastal voyage N d. All of the above 1043: Your vessel is damaged and on an even keel. There is no trim. The freeboard is reduced to less than 1 foot. The rolling period is very long, and the vessel is sluggish in returning from a roll. Which action would you take FIRST to improve stability?
Y a. In calm seas lower the lifeboats to the water and keep them alongside. N b. Rig the jumbo boom and use it to jettison heavy deck cargo. N c. Press up a centerline double bottom that is now filled to 15% capacity. N d. Pump out the peak tanks simultaneously. 1100: The maximum speed of lowering for a lifeboat on gravity davits is controlled by the __________.
N a. limit switches N b. emergency disconnect switch Y c. governor brake N d. position of the counterweight on the brake handle 1120: You will find a limit switch on a __________.
N a. liferaft cradle N b. radial davit N c. sheath-screw davit Y d. gravity davit 1242: The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord __________.
Y a. serves as a sea painter N b. detaches from the liferaft automatically N c. is used to rig the boarding ladder N d. is cut immediately as it is of no further use 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 1262: Which portable fire extinguisher is normally recharged in a shore facility?
N a. Dry chemical (cartridge-operated) N b. Water (cartridge-operated) N c. Water (pump tank) Y d. Carbon dioxide 1318: The most effective fire extinguishing agent to use on burning linen is __________.
Y a. water N b. carbon dioxide N c. dry chemical N d. foam 1320: Fire extinguishers on inspected vessels 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 1396: If you find an inflatable liferaft container with steel bands around the 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 1416: You will extinguish a fire when you remove __________.
N a. nitrogen Y b. oxygen N c. sodium N d. carbon dioxide 1462: When authorized to use chemical agents on an oil spill they would __________.
N a. absorb the oil for easy removal N b. dissolve the oil in the water Y c. facilitate the removal of the pollutant from the water N d. sink the oil 1514: "Thermal protective aids" are required for what percentage of the persons a survival craft is equipped to carry?
Y a. 10% N b. 50% N c. 75% N d. 100% 1739: The high-level overfill tank alarm, installed in the on-board monitoring system, must __________.
N a. operate in unison with other alarms Y b. be both audible and visual N c. be the same as the overfill alarm N d. sound when the tank is 90% full 1752: Vapor recovery hoses must be tested yearly at what ratio to their maximum allowable working pressure?
Y a. 1½ mawp N b. 2 mawp N c. 3 mawp N d. 5 mawp 1825: Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the __________.
Y a. landing area and sources of vapor ignition N b. main deck N c. engine room N d. drill floor 1861: On offshore drilling units, emergency lighting and each emergency power system must be tested at least once a __________.
N a. day Y b. week N c. month N d. year 1965: Which statement concerning exposure to microwave signal radiation is TRUE?
N a. There is minimal hazard potential as long as the Operator notifies other system users aboard the vessel that the potential exists. Y b. The INMARSAT-B ray dome normally prevents nearby persons from being able to determine the direction of the internal antenna. N c. There is equally significant hazard potential from all INMARSAT antenna systems. N d. FCC type acceptance regulations require that radiated power be kept to a minimum so as to prevent hazard potential. 2134: The flammable limits of gasoline are 1.3 to 7.6 percent volume of the air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample registers 55 on the instrument. What is the concentration of gases?
N a. 55% N b. 5.5% N c. 4.1% Y d. 0.7% 2419: Where should the GMDSS radio log be kept on board ship?
N a. In the Captain's office N b. In the sea cabin Y c. At the GMDSS operating position N d. Anywhere on board the vessel 2420: What is an example of a grade A flammable liquid?
Y a. iso - Propylamine N b. Acetone N c. Morpholine N d. Ethyl acetate 2454: In order to determine the fire and explosion hazard data for naphtha, you would use that information contained in the Chemical Data Guide for which chemical?
N a. Treacle N b. Napthalene N c. Tar camphor Y d. Mineral spirits 2468: What is NOT classified as a flammable liquid?
N a. Methyl alcohol N b. Heptane Y c. Mineral spirits N d. iso-Hexane 2627: Deck beams on a MODU are generally spaced at equal intervals and run __________.
N a. longitudinally N b. vertically Y c. transversely N d. intermittently 2746: Your vessel's drafts are: FWD 17'-07", AFT 16'-09"; and the KG is 21.5 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.
N a. 0.8 foot N b. 1.5 feet N c. 2.7 feet Y d. 3.6 feet 2769: Starting motors, generators, and any other spark producing devices shall be __________. (small passenger vessel regulations)
N a. of the alternating current type Y b. mounted as high as practicable above the bilges N c. rated for at least 12 volts N d. All of the above 2814: Your vessel's drafts are: FWD 21'-04", AFT 21'-08"; and the KG is 20.6 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 45° inclination if the center of gravity is 1.2 feet off the centerline.
N a. 3.8 feet Y b. 4.4 feet N c. 5.2 feet N d. 5.6 feet 2869: Mechanical gearing of deck machinery such as the windlass or towing engine should __________.
N a. be open to view so, if a foreign object gets in the gearing, the operator can immediately stop the machinery Y b. have a guard over the gearing N c. be painted a contrasting color from the base color in order to call attention to the gearing N d. not be operated if there is any crew within 10 feet of the machinery 3284: Unless the COI is endorsed for adults only, there shall be provided a number of approved life jackets suitable for children equal to at least __________. (small passenger vessel regulations)
N a. 20% of the passengers carried Y b. 10% of the total number of persons carried N c. 10% of the passengers carried N d. 20% of the total number of persons carried 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 3647: A distress signal __________.
N a. consists of 5 or more short blasts of the fog signal apparatus N b. consists of the raising and lowering of a large white flag Y c. may be used individually or in conjunction with other distress signals N d. is used to indicate doubt about another vessel's intentions 3727: The DEEP DRILLER is engaged in wire line logging. You have 10,000 feet of drill pipe and bottom hole assembly in the set back. Marine weather forecasts are predicting weather with winds in excess of 70 knots. Your first step to prepare for the storm should be to __________.
Y a. suspend wire line operations and run the drill string into the hole N b. continue wire line operations and bring the rig to a 45 foot draft N c. suspend wire line operations and dump your mud pits overboard N d. increase tension on all anchor chains to minimize movement of the rig 3729: A crew member suffering from hypothermia should be given __________.
N a. a small dose of alcohol Y b. treatment for shock N c. a large meal N d. a brisk rub down 3734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?
N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature. Y b. Move them to a warm room to gradually raise their body temperature. N c. Keep them moving to stimulate circulation to raise their body temperature. N d. Warm them under an electric blanket to rapidly regain normal body temperature. 3854: According to the regulations, the capacity of a liferaft is required to be marked __________.
N a. on the Muster List ("Station Bill") Y b. at the liferaft stowage location N c. on the Certificate of Inspection N d. in the Operations Manual 4042: How many B-II fire extinguishers must be in the machinery space of a 75-foot long fishing vessel propelled by engines with 1200 brake horsepower?
N a. 1 Y b. 2 N c. 3 N d. 4 4250: A bulk freighter 580 ft. in length, 60 ft. beam, with a waterplane coefficient of .84 is floating in salt water at a draft of 21 ft. How many long tons would it take to increase the mean draft 1"?
N a. 65.1 Y b. 69.6 N c. 74.3 N d. 76.8 4477: If you see someone fall overboard from a MODU, you should __________.
N a. immediately jump in the water to help the individual Y b. call for help and keep the individual in sight N c. run to the radio room to send an emergency message N d. go to the control room for the distress flares 4621: On the COASTAL DRILLER, the start/stop station for the bilge pumps is located __________.
N a. in the OIM's office N b. in the control house Y c. near the bilge pits N d. in the MCC 5265: The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C1P. Pumping from tanks in the vicinity of the damage has proven ineffective. Your best countermeasure is to __________.
N a. counterflood in 1P Y b. counterflood in 10S N c. pump from C1P N d. pump from C3S 5655: When the air temperature is just below 32°F, snow FIRST adheres to __________.
N a. surfaces near the waterline N b. vertical surfaces Y c. horizontal surfaces N d. leeward surfaces 5925: When fire pumps are used for other than firefighting service, each pipe connecting the other service (except for branch lines used for deck washing) must have a __________.
N a. check valve installed in the line Y b. shut off valve at a manifold near the pump N c. quick disconnect union within ten feet of the pump N d. regulator in the line set at 125 psi 6015: On a MODU, size I and II extinguishers are considered __________.
N a. fixed systems N b. steam generated Y c. hand portable N d. semi-portable 6195: Each person on the rig has a designated area to proceed to in the event of a fire. This assignment is shown clearly on the rig's __________.
N a. fire fighting plan N b. shipping articles N c. Certificate of Inspection Y d. Muster List ("Station Bill") 6496: In a water-tube marine type boiler, after the steam leaves the generating tubes, in what part of the boiler is temperature of the steam increased?
N a. Mud drum Y b. Superheater N c. Economizer N d. Firebox 6594: How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 2500 brake horsepower?
N a. 2 Y b. 3 N c. 4 N d. 5 6895: Who is responsible for reporting a casualty to a mobile offshore drilling unit?
N a. The pilot Y b. The owner N c. The surveyor N d. The engineer 7415: What is the spoken emergency signal for a "man overboard" on the VHF radio?
N a. Man Overboard N b. Security N c. Mayday Y d. Pan-Pan 8257: When taking soundings on a floating MODU, the tape should be lowered and brought back quickly to __________.
N a. reduce the time the sounding tube is open N b. avoid creating a spark Y c. lessen the effect of roll or pitch on the reading N d. lessen the effect of heave on the reading 8355: What quality of a diesel fuel is most significant for efficient combustion?
Y a. Volatility N b. Viscosity N c. Flash point N d. Specific heat 8385: What condition will result in the automatic shutdown of a diesel engine?
N a. High jacket water pressure N b. High lube oil pressure Y c. Low lube oil pressure N d. Excessive turbo charger speed 9491: The difference between the height of the metacenter and the height of the center of gravity is __________.
N a. KB N b. KG N c. KM Y d. GM 9553: When the height of the metacenter is greater than the height of the center of gravity, a vessel is in __________.
Y a. stable equilibrium N b. neutral equilibrium N c. unstable equilibrium N d. negative equilibrium