Smt Application Quiz

20 Questions | Total Attempts: 616

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Smt Application Quiz - Quiz

20 questions on the SMT machine, applications, features and benefits. Please note most questions will have more than one answer, but not all of them!


Questions and Answers
  • 1. 
    Where should the SMT machine be positioned in a production line?
    • A. 

      After the board loader

    • B. 

      After laser marking

    • C. 

      Before the screenprinter

    • D. 

      After screenprinting

  • 2. 
    Why is the SMT machine required even in a Cleanroom?
    • A. 

      It is not necessary because PCB's are supplied wrapped in plastic

    • B. 

      PCB's release epoxy dust from routed edges

    • C. 

      Risk of contamination from operators

    • D. 

      Suppliers will clean boards

  • 3. 
    How does the SMT help the Six Sigma process?
    • A. 

      Provides yield data

    • B. 

      Helps reduce random and variable defects

    • C. 

      Increases cycle time

    • D. 

      Helps reduce re-work

  • 4. 
    Why is contact cleaning the best and most effective method?
    • A. 

      It cuts through the boundary layer

    • B. 

      It doesn't blow contamination around

    • C. 

      It doesn't scratch the board surface

    • D. 

      It removes particles down to sub micron in size

  • 5. 
    Which length of machine can be supplied with the optional cartridge integrated into the machine stand?
    • A. 

      300

    • B. 

      400

    • C. 

      600

    • D. 

      All sizes

  • 6. 
    What length of SMT machine does not have a fully removeable cartridge?
    • A. 

      300

    • B. 

      400

    • C. 

      600

    • D. 

      All sizes

  • 7. 
    Which side of the board is cleaned in a single sided machine?
    • A. 

      Top

    • B. 

      Bottom

    • C. 

      Both

    • D. 

      None

  • 8. 
    Which side of the adjustable conveyor can be the fixed Datum?
    • A. 

      Front

    • B. 

      Middle

    • C. 

      Rear

    • D. 

      Not necessary

  • 9. 
    Where is the anti-static bar fitted on the SMT machine?
    • A. 

      Top entry

    • B. 

      Bottom entry

    • C. 

      Top exit

    • D. 

      Bottom exit

    • E. 

      There is no static bar

  • 10. 
    What are the benefits of the SMT machine?
    • A. 

      Improves yield

    • B. 

      Ensures a clean surface for printing

    • C. 

      SMEMA

    • D. 

      Reduces random and variable defects

  • 11. 
    Which feature(s) are optional?
    • A. 

      Muti-lingual, touch screen control panel

    • B. 

      Alarm beacon counter

    • C. 

      Static monitoring sensor

    • D. 

      Side access to adhesive and rubber roller

    • E. 

      SMEMA

  • 12. 
    What tools are required to refresh and change the Pre-sheeted Adhesive Roll?
    • A. 

      None

    • B. 

      Allen keys

    • C. 

      Sharp knife

    • D. 

      Screw driver

    • E. 

      Power drill

  • 13. 
    Where can the DCR handroller be used in an SMT company?
    • A. 

      To manually clean boards before screenprint if there is no automatic board loader, or the printer is semi-automatic (manually loaded)

    • B. 

      To clean stencils

    • C. 

      To clean work surfaces or repair stations

    • D. 

      None of the above

    • E. 

      DCR's can't be used for SMT applications

  • 14. 
    What are the benefits of being able to see the contamination collected on the Adhesive Roll?
    • A. 

      Provides instant feedback to the operator that machine is working

    • B. 

      Allows analysis of root cause of contamination

    • C. 

      Makes PCB supplier look good

    • D. 

      Lets operator know when paper is due for changing

  • 15. 
    Where in the SMT line would you normally install the optional static monitoring sensors?
    • A. 

      Before SMT machine

    • B. 

      After SMT machine before screenprinter

    • C. 

      After screenprint

    • D. 

      Start of the line

  • 16. 
    What modes of cleaning operation can the SMT machine offer?
    • A. 

      Double sided, by-pass and single sided (all sizes)

    • B. 

      Double sided and by-pass

    • C. 

      Single sided and by-pass

    • D. 

      Double sided and single sided without extra cartridge

  • 17. 
    Why is the door for the optional brush cartridge a different colour?
    • A. 

      Because the designer liked the colour

    • B. 

      Because it shows at a distance whether the machine is operating in double or single sided mode.

    • C. 

      To make it easy for the machine operator to know there are different cartridges in the machine

    • D. 

      To match the rest of the machine

  • 18. 
    Can boards with components fitted be cleaned in a double sided SMT machine?
    • A. 

      Yes, but only in the 300 or 400 version with an optional brush support cartridge

    • B. 

      Yes, in all machines

    • C. 

      Only in the 600 version with an optional brush support cartridge

  • 19. 
    What does this photograph suggest?
    • A. 

      There is nothing wrong with this

    • B. 

      The joint integrity of the pad is compromised as there is a reduction in solder paste

    • C. 

      This could cause a short circuit

    • D. 

      This will cause tomb stoning

    • E. 

      The long term reliability of this joint may be compromised

  • 20. 
    What is the maximum speed of the SMT machine?
    • A. 

      Maximum speed is 20 m/min

    • B. 

      Maximum speed is 30 m/min

    • C. 

      Maximum speed is 40 m/min

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