Emea Static Sealing Training - Level Test

11 Questions | Total Attempts: 31

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Emea Static Sealing Training - Level Test

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Questions and Answers
  • 1. 
    All packing rings should be installed one ring at a time.
    • A. 

      True

    • B. 

      False

  • 2. 
    What is the calculation for determining the proper packing cross section for installation?
    • A. 

      C.S. = (stuffing box bore - shaft diameter) / 4

    • B. 

      C.S. = (shaft diameter - stuffing box bore) / 2

    • C. 

      C.S. = (shaft diameter + stuffing box bore) / 2

    • D. 

      C.S. = (stuffing box bore - shaft diameter) / 2

  • 3. 
    Graphite is less noble (more anodic) then Zinc.
    • A. 

      True

    • B. 

      False

  • 4. 
    What are all requirements for compression packing?
    • A. 

      Flexibility, wear resistance, strength, porous, abrasive

    • B. 

      Flexibility, wear resistance, strength, chemical resistance, high friction

    • C. 

      Flexibility, wear resistance, strength, chemical resistance, low friction

    • D. 

      Flexibility, wear resistance, strength, chemical resistance, low thermal conductivity

  • 5. 
    Chesterton style 1600 is an expanded graphite packing reinforced with
    • A. 

      Carbon Yarn

    • B. 

      Stainless Steel Wire

    • C. 

      Stainless Steel Foil

    • D. 

      Inconel Wire

  • 6. 
    Which of the following Chesterton packings have an active corrosion inhibitor?
    • A. 

      Style 5300

    • B. 

      Style 1724

    • C. 

      Style 1622

    • D. 

      None of the above

  • 7. 
    Which Chesterton Packing would you select for the following application:Block Valve, Steam, 250°C
    • A. 

      Style 1601

    • B. 

      Style 1622

    • C. 

      Style 1724

    • D. 

      Style 1730

  • 8. 
    Which of the following standards describes a test an qualification procedure for valves for fugitive emissions?
    • A. 

      ISO 15848-1

    • B. 

      API 622

    • C. 

      API 589

    • D. 

      EN 1514-1

  • 9. 
    PTFE is used widely as a packing and gasket material because of its:
    • A. 

      Temperature Resistance

    • B. 

      Mechanical Properties

    • C. 

      Strenght

    • D. 

      Chemical Resistance

  • 10. 
    Which of the following is a 45 degree angle cut which is typically used for valve packings in order to exclude visual leakage? 
    • A. 

      A skive joint

    • B. 

      Both a skive joint and a butt joint.

    • C. 

      A butt joint

    • D. 

      A pipe joint

  • 11. 
    Gland pressure will be distributed efficiently up to how many rings? 
    • A. 

      1-2 rings

    • B. 

      4-6 rings

    • C. 

      10-12 rings

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