Franklin Electric Basic Certified Contractor Exam

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Franklin Electric Basic Certified Contractor Exam
Franklin Electric's Certified Contractor Program recognizes those water systems contractors that have made a committment to understanding the proper application and installation of Franklin products. Attendance at an all-day Franklin Tech session, either at the factory, or "on the road" automatically certifies a contractor. However, water systems contractors with 5 or more years experience with Franklin products can "test-out" of BASIC Certification with the following exam. The exam is open book, with many of the answers coming from the Franklin AIM Manual. If you don't have a hard copy available, click on http://www. Franklin-electric. Com/aim-manual. Aspx for the on-line version. In the more

  
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  • 1. 
    If a centrifugal pump sounds like it's pumping gravel, it's probably experiencing ______________. 
    • A. 

      Abrasives

    • B. 

      Overloading

    • C. 

      Cavitation

    • D. 

      Normal operation


  • 2. 
    What type of check valves are not acceptable in a submersible installation? 
    • A. 

      Swing

    • B. 

      Poppet

    • C. 

      It makes no difference as to what type, as long as there is a check valve somewhere in the system


  • 3. 
    The AIM Manual cable charts allow for what percentage of voltage drop from the supply to the motor?   
    • A. 

      5%

    • B. 

      2%

    • C. 

      10%

    • D. 

      15%


  • 4. 
    The service factor on a Franklin Electric 1/2 horsepower submersible motor is 1.6. Therefore, the actually horsepower the motor is capable of delivering is:
    • A. 

      1.0 horsepower

    • B. 

      0.8 horsepower

    • C. 

      0.5 horsepower


  • 5. 
    The allowable input voltage range from the nameplate value on a Franklin submersible motor is:
    • A. 

      Plus or minus 5%

    • B. 

      Plus or minus 15%

    • C. 

      Plus or minus 10%

    • D. 

      Plus or minus 20%


  • 6. 
    Unless connected to a VFD, Franklin Electric submersible motors should have a minimum run time of:
    • A. 

      2 minutes

    • B. 

      30 seconds

    • C. 

      1 minute


  • 7. 
    A breakdown in an electrical system's insulation is called a 
    • A. 

      Open circuit

    • B. 

      Ground fault

    • C. 

      Phase loss


  • 8. 
    Power factor is the phase relationship between:
    • A. 

      The start and run winding

    • B. 

      2 or more transformers

    • C. 

      Efficiency and voltage

    • D. 

      Voltage and current


  • 9. 
    In the AIM Manual cable charts, lengths NOT in bold type meet the NEC ampacity requirement for what type of cable? 
    • A. 

      Jacketed

    • B. 

      Individual

    • C. 

      Either jacketed or individual


  • 10. 
    Voltage should always be measured:
    • A. 

      Line to line

    • B. 

      Line to ground

    • C. 

      Ground to line


  • 11. 
    The thickness of the pump impeller determines:
    • A. 

      The pressure the pump can produce

    • B. 

      The flow the pump can produce

    • C. 

      Both the pressure and the flow that the pump can produce


  • 12. 
    1 psi is equivalent to how many feet of water? 
    • A. 

      2.31 feet

    • B. 

      1 foot

    • C. 

      0.434 feet


  • 13. 
    The number of stages in a pump determines the amount of:
    • A. 

      Flow the pump can produce

    • B. 

      Pressure the pump can produce

    • C. 

      Both the flow and the pressure that the pump can produce


  • 14. 
    1 foot of water equals how many psi? 
    • A. 

      0.434 psi

    • B. 

      2.31 psi

    • C. 

      1.0 psi


  • 15. 
    If a submersible pump does NOT have a built-in check valve, a check valve should be installed where? 
    • A. 

      Anywhere

    • B. 

      Within 25 feet of the pump and below the drawdown level

    • C. 

      At the wellhead


  • 16. 
    Overloads are NOT provided for what type of Franklin Electric motors? 
    • A. 

      3-phase

    • B. 

      Single-phase above 5 horsepower

    • C. 

      All Franklin motors have overloads


  • 17. 
    3-phase submersible motors require what type of overload protection? 
    • A. 

      Class 20

    • B. 

      None, since 3-phase motors have overloads built-in

    • C. 

      Class 10

    • D. 

      Any type of electronic overload


  • 18. 
    In a single-phase, 3-wire motor, the red lead is which winding? 
    • A. 

      Main (run)

    • B. 

      Start (auxillary)

    • C. 

      Common


  • 19. 
    In a single-phase, 3-wire motor, the black lead is which winding? 
    • A. 

      Main (run)

    • B. 

      Start (auxillary)

    • C. 

      Common


  • 20. 
    As long as it is in good condition, a used motor lead can be reused in a new motor.
    • A. 

      True

    • B. 

      False


  • 21. 
    True or False? Amp draw is a reliable indication of electrical power consumption. 
    • A. 

      True

    • B. 

      False


  • 22. 
    When different cable sizes are used, the order does not matter - True or False? 
    • A. 

      True

    • B. 

      False


  • 23. 
    The sum total of suction lift, discharge elevation, friction loss and operating PSI makes up _______ ________ _____ or TDH.

  • 24. 
    As the load on a motor increases, current (amps) increases or decreases? 
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stays the same


  • 25. 
    On a pump curve, _______ is plotted on the horizontal axis. 

  • 26. 
    From the back cover of the AIM Manual, Franklin Electric's Water Systems Key Dealer Service Hotline is:      xxx-xxx-xxxx

  • 27. 
    Franklin Electric's website is:     www.____________________.com

  • 28. 
    From page 3 of the AIM Manual, the maximum starts per day of a 10 horsepower, single-phase motor is:
    • A. 

      50

    • B. 

      300

    • C. 

      100

    • D. 

      Unlimited


  • 29. 
    From page 3 of the AIM Manual, the maximum starts per day of a 1 horsepower, single-phase motor is:  
    • A. 

      300

    • B. 

      100

    • C. 

      50


  • 30. 
    Which of the following influences head loss?
    • A. 

      The temperature of the water

    • B. 

      The size of the pressure tank

    • C. 

      The velocity of the water in the pipe


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