3E451 B2

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1. (201) What does the Defense Energy Support Center (DESC) determine the type, size, and numberof fuel tanks needed at each base based on?: The mission requirements.
2. (201) What will horizontal underground storage tanks and cut and cover tanks that issue jet fuel have on top of them?: A pumphouse.
3. (201) All new tanks must have what kind of containment?: Double-wall construction or a dike
4. (201) What should you use when replacing a manway cover?: A new gasket the same thickness as the old one
5. (201) Damage to a tank can occur if the: Vent or vent piping becomes clogged
6. (202) Which type of aboveground tank can withstand very little pressure or vacuum during the filling or removal of fuel?: Cone roof.
7. (202) The product withdrawal line terminate inside a cone roof tank with a floating pan in a: vertical position, 6 inches above the top of the sump
8. (202) What size is the water draw-off line in an all weather tank, and where does it terminate?: ¾ inch, ½ inch from the sump bottom
(202) In the northern hemisphere, which way will the inlet line on an all-weather tank cause the fuel to rotate, and what degree is the line turned?: Counterclockwise, 60ï‚°.
(202) At what level does the high-level alarm actuate on a cone roof with floating pan?: Just before the high-level shut-off level
(202) What level above the tank bottom is the low-level shut-off set at on a 25,000 bbl cone roof tank with floating pan?: 27 inches.
12. (202) At what level are the support legs on a cone roof tank with floating pan set at for day-to-day business?: 3 feet
13. (202) What type of vent is located on a floating pan?: Bleeder.
14. (203) The wind girder is installed on floating roof tanks to: prevent the collapse of the tank shell.
15. (203) The roof guide is installed on floating roof tanks to: keep the roof from rotating.
16. (203) The double-deck floating roof tank is the most efficient type of roof because the roof: has insulating air space between decks.
17. (204) About how far above the tank floor is the first stage of the deep-well turbine pump located?: 6 inches.
18. (204) What size is the cleanout line on an underground tank, and where does it terminate outside the tank?: ¾ inch, 12 inches above ground level
19. (205) You must clean a bulk storage tank that has a receiving filter separator and is internally coated every: 8 years.
20. (205) You must clean an operating storage tank that does not have a receiving filter separator but has internal coating every: 6 years.
21. (205) You must clean an operating tank that is not internally coated and does not have a receiving filter separator every: 4 years.
22. (205) How often do you clean a Mogas or diesel tank?: By direction of the fuels management office
23. (205) How is the product identification displayed on an aboveground tank?: Yellow bands with white letters on a black background
24. (205) How many bands are used to identify JPâ€“8 fuel?: Three
25. (206) The fuse link on a fuse link valve used on a cone roof tank will normally melt at what temperature?: 160° F.
26. (206) When manually gauging a tank, why must you keep the tape in contact with the gauge pipe?: To prevent the discharge of a spark.
27. (207) When the roof supports on a floating roof tank are in the UP position, at what level will the roof rest above the floor?: 3 feet.
28. (207) At what level must the automatic bleeder vent supports be set when preparing for an internal inspection and cleaning?: 6 feet.
29. (207) What prevents fuel from entering a roof drain line?: Flange gaskets and asbestos ring packing.
30. (207) In extremely cold climates, what should you do to the roof drain line?: Fill it with 50/50 mix of antifreeze and water
31. (207) What is the inspection frequency for the fabric seal on a floating roof tank?: Monthly
32. (207) When filling the tank to check the high-high-level alarm, what must be disabled?: The high-level alarm.
33. (208) What would you use to check the liquidometer accuracy?: Tape and bob.
34. (208) How would you take care of internal corrosion for the low-level control attached to the liquidometer?: Wire brush clean and replace the cover gasket.
35. (209) How long before entering a fuel tank must you request permission from your MAJCOM?: 15 workdays.
36. (209) Who will assign a qualified tank entry supervisor to supervise a tank cleaning operation?: MAJCOM fuels engineer.
37. (209) Which one of the following is not the responsibility of the MAJCOM fuels engineerâ€™s representative during the contract cleaning of a fuel tank?: To stop the contractorâ€™s work for contract violations.
38. (210) Which of the following fuels normally contains a higher concentration of benzene?: Gasoline.
39. (211) During tank cleaning, when should you remove heavily contaminated clothing?: After being drenched with water.
40. (211) Communication gear must be used during the cleaning of an underground JPâ€“8 tank when the: manhole access is 12 feet below ground level.
41. (211) All electrical equipment to be used within 50 feet of any fuel system must be defined as which class in the National Electrical Code?: Class I, Division I, Group D
42. (211) A safety harness, used in tank cleaning, is good for a maximum of how many years from the date stamped on the harness?: 10.
43. (212) Artificial lights, other than battery-powered safety lanterns, can be used only during tank cleaning after what condition is met?: The tank is vapor free
44. (212) During initial cleaning, at what percent of the lower explosive limit (LEL) must you suspend washing down a tank?: 20
45. (212) At what vapor level may workers initially enter a tank for tank cleaning?: Below 10 percent LEL.
46. (212) During tank cleaning, how often must you record a vapor reading?: Every 15 minutes.
47. (212) When can people enter a fuel tank without protective equipment?: c. 0 percent LEL, the tank has been washed out and dried, the tank is known never to have contained leaded fuel, and the Bioenvironmental Engineer has approved their entry
48. (213) What must be done to fuel pumps and motors located in a pit if they are to be abandoned?: Removed and stored in a dry place.
49. (213) What must be done to meters in a pit that is to be abandoned?: Drained, removed, oiled, and placed in storage.
50. (214) How do you reset the lower explosive limit (LEL) sensor on the MultiRAE PGMâ€“50?: Sample fresh air for 60 seconds then press the â€œY/+â€ button
51. (214) What is the minimum recommended voltage for the MultiRAE PGMâ€“50?: 4.4 volts.
52. (215) What should you do if the restriction indicator on a MCâ€“7 air compressor is tripped?: Clean the air filter element.
53. (216) Electrical controls in hazardous areas must be proofed (protected) against: explosion.
54. (216) The Class I, Division 2, hazardous area around a service station dispenser extends outward how many feet and upward how many inches?: 20 feet, 18 inches.
55. (216) What type of electrical units and wiring is used in non-hazardous locations, such as pressurized control rooms?: General purpose, enclosed type.
56. (216) What type grounding rod, if any, is used on a horizontal fuel tank installed under the pumphouse floor?: Not required.
57. (217) What will change positions and to what valve will pressure be directed when the float of the pilot valve assembly is in the TOP position?: Rotary disc; fuel discharge valve.
58. (217) When the float in a vertical filter separator rises to the top position, what happens?: The fuel discharge valve closes.
59. (218) How are the coalescers and separators mounted in an API 1581 filter separator?: Coalescers at the bottom and separators at the top
60. (218) Coalescers in an API 1581 filter separator are rated for what minimum gallons per minute (gpm) per inch of length?: 2.27.
61. (219) When the water drain valve is removed from the filter separator, where is the control tubing that once went to the water drain cover chamber rerouted?: Nowhere, it is plugged off.
62. (219) When the float in a filter separator is in the top position, to what component is pressure applied to close 40AFâ€“2C fuel discharge valve?: Three-way control valve.
63. (220) If a fuel system has a maximum deadhead pressure of 125 pounds per square inch (psi), at what psi should the filter/separator pressure relief be set?: 137.5
64. (220) When removing the KMUâ€“416/F modification kit with 9 additional elements, how many elements must you remove from the front side to balance the manifold?: 6.
65. (220) When gravity-filling a horizontal filter/separator from another horizontal filter separator, how many minutes must you wait for the two filter separators to equalize?: 10.
66. (220) If the 40AFâ€“2A, fuel discharge valve, fails to open, what should you check first?: Water in the filter/separator.
67. (221) What type of strainer is normally used as a line strainer in a pipeline?: Cylindrical
68. (222) What is the most probable cause for a meter to over-register?: Air in the line.
69. (222) How is the register of a meter changed to match the actual fuel dispensed through the meter?: Change the gear train ratio.
70. (223) What maintains a tight seal in the measuring chamber of an A. O. Smith meter?: Teflon vane inserts.
71. (223) Who should do the repairs when an A. O. Smith meter requires major maintenance?: Manufacturer.
72. (224) The liquid control meter uses what type of movement to register the fuel?: Blocking rotor and two displacement rotors.
73. (224) Leakage inside the back of a liquid control meter is caused by a faulty: O-ring.
74. (225) If you changed the Brodie coarse adjustment one position, what change would be made to the register reading?: 6 gallons per 1,000 gallons.
75. (226) How many hoses does a master meter have and where are they connected?: 2 hoses; outlet side.
76. (227) What type of tank gauge can test a tank for leaks?: Magnetostrictive probe.
77. (228) A differential pressure gauge installed on a filter/separator measures the difference between the inlet: high pressure and the outlet low pressure.
78. (229) At a minimum, how often are simple pressure gauges calibrated?: Annually.
79. (230) Tank truck unloading headers will be spaced about how many feet apart?: 60.
80. (231) The emergency-stop switches have what type of contacts and complete which circuits?: b. Closed; low-voltage for the fuel transfer pump control
81. (231) Emergency-stop switches are what color?: Red.
82. (232) What type of grounding rods are used on aboveground fuel tanks?: Galvanized steel.
83. (233) An impressed-current cathodic protection system uses anodes made of: carbon.
84. (233) What do unaccountable fluctuations of the rectifier in a cathodic protection system indicate?: Stray-current activity.
85. (234) When receiving fuel by pipeline, what is the first component that fuel passes through at the bulk storage area?: Pressure reducing valve.
86. (234) What is the minimum speed for a scraper when cleaning a pipeline?: 2 mph.
87. (235) How many storage tanks would normally be used at an automotive service station that offers MOGAS, and diesel fuel?: 1 for each product.
88. (235) For safe dispersal of fuel vapors, a storage tank vent pipe must extend how high?: 12 feet
89. (235) What type of valve is found on the suction line, inside the tank, if the fuel dispensing units are self-contained?: Foot valve.
90. (236) What is the difference between the motors used in the self-contained single dispensing and the dual dispensing units?: Dual dispensing motors have a higher horsepower rating.
91. (237) You have replaced the pump head of a dispenser pump but the pump still binds. What can you do to solve the problem?: Increase the number of gaskets used under the head, one at a time, until the pump is free.
92. (238) The drive shaft on a three-piston vertical positive displacement meter will make how many revolutions for each gallon of fuel delivered?: 4.
93. (238) The correct position of a dispenser meter cover is determined by: a dowel pin in the top flange of the cylinder body and a locating hole in the cover flange
94. (238) If the meter register on a dispenser does not reset to zero or the numerical wheels do not turn during delivery, the probable cause is a: broken shear pin.
95. (239) What should the vacuum reading be on a normal self contained dispenser pump installation?: 4 to 6 inches
96. (239) To check for sufficient pump pressure on a self-contained dispensing unit, where should you install the pressure gauge?: On top of the meter cover.
97. (239) The self-contained dispenser pump regulating valve is functioning properly when a pressure gauge is reading: 18 psi one hour after the pump is turned off.
98. (240) If an automatic shutoff nozzle shuts off all the time, what is the first thing you should check?: Vacuum tube.
99. (241) How many selectable fuel product pumps does each master vehicle identification reader(MVIR) have the capacity to control?: 8.
100. (241) The purpose of the manual override switch on a vehicle identification reader (VIR) is to: allow you to enter the vehicle identification link (VIL) code from the panel.
(The right one) 32. (207) When filling the tank to check the high-high-level alarm, what must be disabled?: The high level shut off valve

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Number of cards 101

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