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Arduino Pcb4

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28 questions
Show answers
  • Q1
    Why Ferric chloride acid is used?
    To remove unwanted copper from a PCB.
    To clean the holes in PCB.
    To remove unwanted fiber from a PCB.
    To clean PCB from dust.
    120s
  • Q2
    The line in between two pads is called?
    Via.
    Pad.
    Jumper wire.
    Track.
    120s
  • Q3
    What is the equivalent of 40th in mm?
    0.1016 mm
    0.9 mm
    0.09 mm
    1,016 mm
    120s
  • Q4
    Where can surface-mount components be normally mounted on single layer PCB?
    Not allowed in single layer.
    Only on fiber layer.
    On both layers.
    Only on copper layer.
    120s
  • Q5
    Where does the resistor terminals have to be soldered in PCB?
    On any component.
    On the pads.
    On the tack.
    On the via.
    120s
  • Q6
    How do you explain the relation between the current and the track/trace width?
    If the amount of current is large the track should have small width.
    Any size of track can be used with any amount of current.
    If the amount of current is large the track should have large width.
    If the amount of current is small the track should have large width.
    120s
  • Q7
    The process that protects a PCB from dust, oils and dirt is
    Coating.
    Soldering.
    Photo-resist.
    Cleaning.
    120s
  • Q8
    When do we consider PCB etching method is successful?
    When all of the fiber layer is removed from the PCB.
    When all metal except whatever under the PCB layout design.
    When all of the metal layer is removed from the PCB.
    When machine isolates all tracks and pads on the metal layer.
    120s
  • Q9
    What does engraving process do to PCB?
    Just to draw names and silk resist of the circuit.
    Isolates all tracks and pads from entire metal layer.
    Only make holes to the PCB,
    Chemically remove unwanted metal from PCB.
    120s
  • Q10
    A portion of exposed metal on the surface of a printed circuit board (PCB) to which a component is soldered is called
    Mask
    Hole
    Pad
    Slot
    120s
  • Q11
    The PCB soldering method as shown in figure 11 which allows the components to be simply set on a board, not requiring that leads pass through holes in the board is called
    Question Image
    Surface mount
    Solder mount
    Plated through
    Solder mask
    120s
  • Q12
    In the process of making PCB, Ferric Chloride solution is needed during which process?
    Image Transferring
    Solder Masking
    Etching
    Cleaning
    120s
  • Q13
    During PCB design and fabrication, the process of coating insulating ink everywhere except solder connections is called
    Tinning
    Etching
    Masking
    Drilling
    120s
  • Q14
    A portion of exposed metal on the surface of a printed circuit board (PCB) to which a component is soldered is called
    Hole
    Mask
    Slot
    Pad
    120s
  • Q15
    In the process of making PCB, Ferric Chloride solution is needed during which process?
    Etching
    Solder Masking
    Cleaning
    Image Transferring
    120s

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