3e451 Volume 2 Fuel Tank, Tank Entry And Operation And Maintenance Of Mechanical System Components

100 Questions | Total Attempts: 129

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3e451 Quizzes & Trivia

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Questions and Answers
  • 1. 
    (201) What does the Defense Energy Support Center (DESC) determine the type, size, and number of fuel tanks needed at each base are?
    • A. 

      Air Force standard design

    • B. 

      The mission requirements

    • C. 

      MAJCOM recommendations

    • D. 

      Available construction dollars

  • 2. 
    (201) What will horizontal underground storage tanks and cut and cover tanks that issue jet fuel have on top of them?
    • A. 

      A pumphouse

    • B. 

      A concrete cover

    • C. 

      An open air shed

    • D. 

      Nothing, to prevent collapse of the tank

  • 3. 
    (201) All new tanks must have what kind of containment?
    • A. 

      Plastic liner

    • B. 

      Leak detection

    • C. 

      Concrete bottom

    • D. 

      Double-wall construction or dyke

  • 4. 
    (201) What should you use when replacing a manway cover?
    • A. 

      New nuts and bolts

    • B. 

      The old gasket if it is in good condition

    • C. 

      A new gasket slightly thicker than the old one

    • D. 

      A new gasket the same thickness as the old one

  • 5. 
    (201) Damage to a tank can occur if the
    • A. 

      Vent or vent piping becomes clogged

    • B. 

      Tank has an anti-rotation device

    • C. 

      Low-level shutoff fails to work

    • D. 

      High level alarm fails to work

  • 6. 
    (202) What type of above ground tank can withstand very little pressure or vacuum during the filling or removal of fuel?
    • A. 

      Vertical

    • B. 

      Cone roof

    • C. 

      Floating roof tank

    • D. 

      Cone roof tank with floating pan

  • 7. 
    (202) The product withdrawal line terminate inside a cone roof with a floating pan in a 
    • A. 

      Vertical position, 6 inches above the top of the sump

    • B. 

      Vertical position, 6 inches above the bottom of the sump

    • C. 

      Horizontal position, 6 inches above the top of the sump

    • D. 

      Horizontal position, 6 inches above the bottom of the sump

  • 8. 
    (202) What size is the water draw off line in an all weather tank, and where does it terminate?
    • A. 

      1/2 inch, 1/2 inch from the sump bottom

    • B. 

      1/2 inch, 1 inch from the sump bottom

    • C. 

      3/4 inch, 1/2 inch from the sump bottom

    • D. 

      3/4 inch, 1 inch from the sump bottom

  • 9. 
    (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?
    • A. 

      Clock-wise, 45

    • B. 

      Clock-wise, 60

    • C. 

      Counter clock-wise, 45

    • D. 

      Counter clock-wise, 60

  • 10. 
    (202) At what level does the high-level alarm actuate on a cone roof with a floating pan?
    • A. 

      Just before the high-level shut-off level

    • B. 

      Just after the high-level shut-off level

    • C. 

      Just before the high-high level alarm

    • D. 

      Just after the high-high level alarm

  • 11. 
    (202) What level above the tank bottom is the low-level shut-off set at on a 25,000 bbl cone roof tank with a floating pan?
    • A. 

      18 inches

    • B. 

      24 inches

    • C. 

      27 inches

    • D. 

      30 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?
    • A. 

      1 1/2 feet

    • B. 

      3 feet

    • C. 

      4 1/2 feet

    • D. 

      6 feet

  • 13. 
    (202) What type of vent is located on a floating pan?
    • A. 

      Slot

    • B. 

      Open

    • C. 

      Bleeder

    • D. 

      Overflow

  • 14. 
    (203) The wind girder is installed on floating roof tanks to
    • A. 

      Keep the roof from rotating

    • B. 

      Prevent the collapse of the tank shell

    • C. 

      Provide a vapor recovery area under the roof

    • D. 

      Provide a path to the ground for static electricity

  • 15. 
    (203) The roof guide is installed on floating roof tanks to
    • A. 

      Keep the roof from rotating

    • B. 

      Prevent the collapse of the tank shell

    • C. 

      Provide a vapor recovery area under the roof

    • D. 

      Provide a path to the ground for static electricity

  • 16. 
    (203) The double-deck floating roof tank is the most efficient type of roof because the roof
    • A. 

      Slopes to the center

    • B. 

      Support legs are adjustable

    • C. 

      Has insulating air space between the decks

    • D. 

      Water drains easily towards the center

  • 17. 
    (204) About how far above the tank floor is the first stage of the deep-well turbine pump located?
    • A. 

      3 inches

    • B. 

      6 inches

    • C. 

      9 inches

    • D. 

      12 inches

  • 18. 
    (204) What size is the cleanout line on an underground tank, and where does it terminate outside  the tank
    • A. 

      1/2 inch, 6 inches above ground level

    • B. 

      1/2 inch, 12 inches above ground level

    • C. 

      3/4 inch, 6 inches above ground level

    • D. 

      3/4 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
    • A. 

      4 years

    • B. 

      6 years

    • C. 

      8 years

    • D. 

      10 years

  • 20. 
    (205) You must clean an operating storage tank that does not have a receiving filter separator but  has internal coating every
    • A. 

      4 years

    • B. 

      6 years

    • C. 

      8 years

    • D. 

      10 years

  • 21. 
    (205) You must clean an operating tank that is not internally coated and does not have a receiving  filter separator every
    • A. 

      4 years

    • B. 

      6 years

    • C. 

      8 years

    • D. 

      10 years

  • 22. 
    (205) How often do you clean a Mogas or diesel tank?
    • A. 

      4 years

    • B. 

      6 years

    • C. 

      8 years

    • D. 

      By direction of the fuels management office

  • 23. 
    (205) How is the product identification displayed on an aboveground tank?
    • A. 

      Yellow bands with white letters on a black background

    • B. 

      Yellow bands with black letters on a white background

    • C. 

      Black bands with white letters on a yellow background

    • D. 

      Black bands with yellow letters on a white background

  • 24. 
    (205) How many bands are used to identify JP-8 fuel?
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 25. 
    (206) The fuse link on a fuse link valve used on a cone roof tank will normallymelt at what  temperature?
    • A. 

      160

    • B. 

      180

    • C. 

      200

    • D. 

      220

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