Smt Application Quiz

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  • 1/20 Questions

    What length of SMT machine does not have a fully removeable cartridge?

    • 300
    • 400
    • 600
    • All sizes
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Smt Application Quiz - Quiz
About This 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!

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  • 2. 

    Can boards with components fitted be cleaned in a double sided SMT machine?

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

    • Yes, in all machines

    • Only in the 600 version with an optional brush support cartridge

    Correct Answer
    A. Yes, but only in the 300 or 400 version with an optional brush support cartridge
    Explanation
    600 unit can ONLY be ordered as a double or single sided machine. It cannot be supplied with the interchangeable cartridge as the slides are not removeable.

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  • 3. 

    Which side of the board is cleaned in a single sided machine?

    • Top

    • Bottom

    • Both

    • None

    Correct Answer
    A. Top
    Explanation
    In a single-sided machine, only the top side of the board is cleaned. This means that the machine is designed to clean and remove dirt, dust, or debris from the surface that is facing upwards. The bottom side of the board is not cleaned in this process.

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  • 4. 

    What tools are required to refresh and change the Pre-sheeted Adhesive Roll?

    • None

    • Allen keys

    • Sharp knife

    • Screw driver

    • Power drill

    Correct Answer
    A. None
    Explanation
    No tools are required to refresh and change the Pre-sheeted Adhesive Roll. This means that the process can be done without the use of any specific tools or equipment.

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  • 5. 

    What is the maximum speed of the SMT machine?

    • Maximum speed is 20 m/min

    • Maximum speed is 30 m/min

    • Maximum speed is 40 m/min

    Correct Answer
    A. Maximum speed is 40 m/min
    Explanation
    The maximum speed of the SMT machine is 40 m/min.

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  • 6. 

    Which feature(s) are optional?

    • Muti-lingual, touch screen control panel

    • Alarm beacon counter

    • Static monitoring sensor

    • Side access to adhesive and rubber roller

    • SMEMA

    Correct Answer
    A. Static monitoring sensor
    Explanation
    SMEMA cables are the option, not the SMEMA software

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  • 7. 

    Why is the door for the optional brush cartridge a different colour?

    • Because the designer liked the colour

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

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

    • To match the rest of the machine

    Correct Answer(s)
    A. Because it shows at a distance whether the machine is operating in double or single sided mode.
    A. To make it easy for the machine operator to know there are different cartridges in the machine
    Explanation
    The door for the optional brush cartridge is a different color to show at a distance whether the machine is operating in double or single sided mode. Additionally, it is designed this way to make it easy for the machine operator to know that there are different cartridges in the machine.

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  • 8. 

    Why is the SMT machine required even in a Cleanroom?

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

    • PCB's release epoxy dust from routed edges

    • Risk of contamination from operators

    • Suppliers will clean boards

    Correct Answer(s)
    A. PCB's release epoxy dust from routed edges
    A. Risk of contamination from operators
    Explanation
    Even wrapped in plastic, boards will still have contamination on the surface making it necessary to clean them. Generally suppliers do not package boards in a cleanroom environment.

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  • 9. 

    Where is the anti-static bar fitted on the SMT machine?

    • Top entry

    • Bottom entry

    • Top exit

    • Bottom exit

    • There is no static bar

    Correct Answer
    A. Top exit
    Explanation
    The anti-static bar is fitted on the top exit of the SMT machine. This placement allows the bar to effectively neutralize any static charges that may have built up on the components or circuit boards during the manufacturing process. By placing it at the top exit, the anti-static bar ensures that any static electricity is discharged before the components leave the machine, reducing the risk of damage or malfunction caused by electrostatic discharge.

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  • 10. 

    Why is contact cleaning the best and most effective method?

    • It cuts through the boundary layer

    • It doesn't blow contamination around

    • It doesn't scratch the board surface

    • It removes particles down to sub micron in size

    Correct Answer(s)
    A. It cuts through the boundary layer
    A. It doesn't blow contamination around
    A. It doesn't scratch the board surface
    A. It removes particles down to sub micron in size
    Explanation
    Contact cleaning is the best and most effective method because it has several advantages. Firstly, it cuts through the boundary layer, which refers to the layer of air and contaminants that can accumulate on the surface. By cutting through this layer, contact cleaning ensures that the surface is thoroughly cleaned. Secondly, it doesn't blow contamination around like air or gas methods can do. This means that the contaminants are effectively removed from the surface instead of being spread elsewhere. Thirdly, contact cleaning doesn't scratch the board surface, ensuring that the surface remains undamaged. Lastly, it is capable of removing particles down to sub micron in size, ensuring a high level of cleanliness.

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  • 11. 

    Which side of the adjustable conveyor can be the fixed Datum?

    • Front

    • Middle

    • Rear

    • Not necessary

    Correct Answer(s)
    A. Front
    A. Rear
    Explanation
    Customers can select either front or rear

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  • 12. 

    What are the benefits of the SMT machine?

    • Improves yield

    • Ensures a clean surface for printing

    • SMEMA

    • Reduces random and variable defects

    Correct Answer(s)
    A. Improves yield
    A. Ensures a clean surface for printing
    A. Reduces random and variable defects
    Explanation
    SMEMA is a feature

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  • 13. 

    Where can the DCR handroller be used in an SMT company?

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

    • To clean stencils

    • To clean work surfaces or repair stations

    • None of the above

    • DCR's can't be used for SMT applications

    Correct Answer(s)
    A. To manually clean boards before screenprint if there is no automatic board loader, or the printer is semi-automatic (manually loaded)
    A. To clean stencils
    A. To clean work surfaces or repair stations
    Explanation
    The DCR handroller can be used in an SMT company for multiple purposes. It can be used to manually clean boards before screenprint if there is no automatic board loader or if the printer is semi-automatic and requires manual loading. It can also be used to clean stencils, as well as work surfaces or repair stations. Therefore, the correct answer includes all these options as valid uses for the DCR handroller in an SMT company.

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  • 14. 

    Where should the SMT machine be positioned in a production line?

    • After the board loader

    • After laser marking

    • Before the screenprinter

    • After screenprinting

    Correct Answer(s)
    A. After the board loader
    A. After laser marking
    A. Before the screenprinter
    Explanation
    The SMT should be installed after anything which might cause contamination and before the next critical process, for example screenprint or adhesive placement

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  • 15. 
    Which length of machine can be supplied with the optional cartridge integrated into the machine stand? - ProProfs

    Which length of machine can be supplied with the optional cartridge integrated into the machine stand?

    • 300

    • 400

    • 600

    • All sizes

    Correct Answer(s)
    A. 300
    A. 400
    Explanation
    This option is not available in the 600 unit due to a different slide design which is not removeable

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  • 16. 

    What are the benefits of being able to see the contamination collected on the Adhesive Roll?

    • Provides instant feedback to the operator that machine is working

    • Allows analysis of root cause of contamination

    • Makes PCB supplier look good

    • Lets operator know when paper is due for changing

    Correct Answer(s)
    A. Provides instant feedback to the operator that machine is working
    A. Allows analysis of root cause of contamination
    A. Lets operator know when paper is due for changing
    Explanation
    Being able to see the contamination collected on the Adhesive Roll provides instant feedback to the operator that the machine is working. This allows the operator to have confidence that the machine is functioning properly and effectively removing contamination. Additionally, it allows for the analysis of the root cause of contamination, helping to identify and address any issues or sources of contamination. Lastly, it lets the operator know when the paper is due for changing, ensuring that the machine continues to operate efficiently and effectively.

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  • 17. 

    How does the SMT help the Six Sigma process?

    • Provides yield data

    • Helps reduce random and variable defects

    • Increases cycle time

    • Helps reduce re-work

    Correct Answer(s)
    A. Helps reduce random and variable defects
    A. Helps reduce re-work
    Explanation
    The SMT will help to improve the yield but does not provide or analyse data. The customer's SPC (statistical process control) will do this.

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  • 18. 
    What does this photograph suggest? - ProProfs

    What does this photograph suggest?

    • There is nothing wrong with this

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

    • This could cause a short circuit

    • This will cause tomb stoning

    • The long term reliability of this joint may be compromised

    Correct Answer(s)
    A. The joint integrity of the pad is compromised as there is a reduction in solder paste
    A. This could cause a short circuit
    A. The long term reliability of this joint may be compromised
    Explanation
    The photograph suggests that the joint integrity of the pad is compromised due to a reduction in solder paste. This reduction in solder paste could potentially cause a short circuit. Additionally, the long term reliability of this joint may be compromised.

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  • 19. 

    What modes of cleaning operation can the SMT machine offer?

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

    • Double sided and by-pass

    • Single sided and by-pass

    • Double sided and single sided without extra cartridge

    Correct Answer(s)
    A. Double sided and by-pass
    A. Single sided and by-pass
    Explanation
    The interchangeable optional cartridge is not available in 600mm machine, as the slides are not removeable.
    Double and single sided cleaning can only be achieved if the extra cartridge is included.

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  • 20. 

    Where in the SMT line would you normally install the optional static monitoring sensors?

    • Before SMT machine

    • After SMT machine before screenprinter

    • After screenprint

    • Start of the line

    Correct Answer(s)
    A. After SMT machine before screenprinter
    A. After screenprint
    Explanation
    Some customers like to fit the static monitor "after" the screenprinter to monitor and measure static levels after the print process.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 15, 2010
    Quiz Created by
    Teknek_quiz_scho
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