Advanced Rotating Equipment Training Final Assessment (English)

16 Questions | Total Attempts: 108

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Advanced Rotating Equipment Training Final Assessment (English)

Questions and Answers
  • 1. 
    What is a common Failure Mode for packing?
    • A. 

      Water enters the bearing

    • B. 

      Uncontrollable Leakage

    • C. 

      Excessive Vibration

    • D. 

      I don't know

  • 2. 
    What makes the 4400 Gas seal different to the competitors
    • A. 

      Hydrostatic & Hydrodynamic Faces

    • B. 

      In Gland Control System

    • C. 

      Nothing, the competitor seals are better

    • D. 

      Does Not require a complex gas panel to operate

  • 3. 
    PV = The net closing pressure X sliding velocity
    • A. 

      True

    • B. 

      False

  • 4. 
    When selecting a barrier fluid you must consider...(You can choose more than 1)
    • A. 

      The freezing point of the barrier fluid

    • B. 

      The process media and conditions being sealed

    • C. 

      The Vapor limit of the barrier fluid

    • D. 

      The viscosity of the barrier fluid

    • E. 

      All of the above

  • 5. 
    Which direction will the face rotate?
    • A. 

      Clockwise

    • B. 

      Counter-Clockwise

    • C. 

      Clockwise & Counter-Clockwise

  • 6. 
    What are the major disadvantages of Yellow Kevlar packing?
    • A. 

      The colour

    • B. 

      It causes excessive shaft wear compared to Nomex fibre

    • C. 

      In has low thermal conductivity and retains heat better compared to Nomex

    • D. 

      It does not conduct heat very well compared to Nomex Fibre

  • 7. 
    Would you recommend this solution?50mm S10 SSC/CBStuffing Box pressure is 2 bar in a 120C Hot water transfer pump 
    • A. 

      Yes! If the customer gives me the order!

    • B. 

      No, I would recommend a 180H Seal

    • C. 

      No, there is no seal available for this application

    • D. 

      The seal selection is OK if a Plan 11 recirculation pipe can be added

    • E. 

      I have no idea, I only got back to the hotel at 2am!

  • 8. 
    What factors affect the cooling requirements of a seal?(You can select more than one)
    • A. 

      Face Material

    • B. 

      O-Ring Material

    • C. 

      Rotation Speed

    • D. 

      Shaft material

    • E. 

      Pump Heatsoak

    • F. 

      Pressure

  • 9. 
    Being able to asses a seal failure helps solve a customer problem and increase sales
    • A. 

      True

    • B. 

      False

  • 10. 
    Select the seals that are non-fretting(More than one can be selected)
    • A. 

      Chesterton 491

    • B. 

      Burgmann MG1

    • C. 

      AESSEAL SAI

    • D. 

      John Crane 109B

  • 11. 
    A SpiralTrac Works by
    • A. 

      Creating Axial Flow to move the solids into its vortex

    • B. 

      Some kind of Magic that I don't understand

    • C. 

      Creating High and Low Pressures in the stuffing box

    • D. 

      Creating low pressure in the stuffing box preventing the solids from entering

  • 12. 
    When Selecting packing what does the phrase STAMPS mean
    • A. 

      Size, Temperature, Application, Medium, Pressure, Speed

    • B. 

      Speed, Technology, Application, Media, Process, Solution

    • C. 

      Shaft, Thickness, Axial Length, Machinery, Packing, Seal

    • D. 

      I have never heard the phrase STAMPS

  • 13. 
    The Flush quench and drain ports of mechanical cartridge seals all use different thread types, their is no primary thread type in the industry.
    • A. 

      True

    • B. 

      False

  • 14. 
    Mechanical Seals mainly operate with...
    • A. 

      Boundary Lubrication

    • B. 

      Mixed Film Lubrication

    • C. 

      Full Film Lubrication

    • D. 

      Excessive Leakage

  • 15. 
    Select the systems that meet Piping Plan 54
    • A. 

      Pressurized Circulating Tank

    • B. 

      Unpressurized Seal Tank

    • C. 

      Pressurized Seal Tank with Forced Circulation

    • D. 

      Pressurized Plant Water Connected to the Quench & Drain Ports

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