IPC CID EXAM QUESTIONS WITH CORRECT
ANSWERS
What |do |performance |classes |reflect? |- |CORRECT |ANSWER✔✔-Progressive |increases |in |
sophistication, |functional |performance, |and |frequency/intensity |of |inspection |or |stress |testing
What |are |the |three |performance |classes? |- |CORRECT |ANSWER✔✔-1-General |Electronics |2-
Dedicated |Service |3-High |reliability
Who |is |the |end |user? |- |CORRECT |ANSWER✔✔-The |end |user |is |the |individual |or |agency |that |
contracts |the |printed |board |or |assembly |to |be |designed |and |manufactured
Who |determines |the |class |of |a |product? |- |CORRECT |ANSWER✔✔-The |end |user
What |would |be |in |class |3 |performance? |- |CORRECT |ANSWER✔✔-Military, |medical, |etc.
What |is |ambient |temperature? |- |CORRECT |ANSWER✔✔-The |surrounding |environment |that |
comes |into |contact |with |your |product
What |do |producibility |levels |tell |us? |- |CORRECT |ANSWER✔✔-Increasing |complexity |of |tooling, |
materials, |and |processing. |Yields |increase |as |costs |decrease, |etc.
What |increases |with |each |producibility |level? |- |CORRECT |ANSWER✔✔-Sophisitication
What |is |the |zaxis |aspect |ratio? |- |CORRECT |ANSWER✔✔-Ratio |between |the |nominal |thickness |
of |the |board |and |the |smallest |drill |size.
, What |is |the |most |important |special |consideration |in |terms |of |electrical |functionality |that |a |
designer |must |consult |the |EE? |- |CORRECT |ANSWER✔✔-Special |keep |out |or |keep |in |areas |of |
the |board.
Where |should |high |frequency |circuits |be |placed? |- |CORRECT |ANSWER✔✔-NEar |the |connector
Where |should |filtering |caps |be |placed? |- |CORRECT |ANSWER✔✔-Near |the |source |of
|power/gnd |(at |the |connector)
What |is |least |important |to |route |in |analog |circuits? |- |CORRECT |ANSWER✔✔-Power |and |
ground
What |is |a |major |consideration |for |component |placement? |- |CORRECT |ANSWER✔✔-Will |
backwards |compatibility |be |necessary?
What |is |Ohm's |law? |- |CORRECT |ANSWER✔✔-V=IR
What |is |an |important |basic |rule |for |a |designer |of |a |board? |- |CORRECT |ANSWER✔✔-Terminate |
unused |logic |pins |with |a |pull-down |or |pull-up |resistor.
What |product |safety |testing |regards |flame |retardants? |- |CORRECT |ANSWER✔✔-UL |94
How |thick |is |half |ounce |copper? |- |CORRECT |ANSWER✔✔-0.7 |mils |(17 |um |thick)
What |is |the |subtractive |process? |- |CORRECT |ANSWER✔✔-Unwanted |copper |is |etched |away
ANSWERS
What |do |performance |classes |reflect? |- |CORRECT |ANSWER✔✔-Progressive |increases |in |
sophistication, |functional |performance, |and |frequency/intensity |of |inspection |or |stress |testing
What |are |the |three |performance |classes? |- |CORRECT |ANSWER✔✔-1-General |Electronics |2-
Dedicated |Service |3-High |reliability
Who |is |the |end |user? |- |CORRECT |ANSWER✔✔-The |end |user |is |the |individual |or |agency |that |
contracts |the |printed |board |or |assembly |to |be |designed |and |manufactured
Who |determines |the |class |of |a |product? |- |CORRECT |ANSWER✔✔-The |end |user
What |would |be |in |class |3 |performance? |- |CORRECT |ANSWER✔✔-Military, |medical, |etc.
What |is |ambient |temperature? |- |CORRECT |ANSWER✔✔-The |surrounding |environment |that |
comes |into |contact |with |your |product
What |do |producibility |levels |tell |us? |- |CORRECT |ANSWER✔✔-Increasing |complexity |of |tooling, |
materials, |and |processing. |Yields |increase |as |costs |decrease, |etc.
What |increases |with |each |producibility |level? |- |CORRECT |ANSWER✔✔-Sophisitication
What |is |the |zaxis |aspect |ratio? |- |CORRECT |ANSWER✔✔-Ratio |between |the |nominal |thickness |
of |the |board |and |the |smallest |drill |size.
, What |is |the |most |important |special |consideration |in |terms |of |electrical |functionality |that |a |
designer |must |consult |the |EE? |- |CORRECT |ANSWER✔✔-Special |keep |out |or |keep |in |areas |of |
the |board.
Where |should |high |frequency |circuits |be |placed? |- |CORRECT |ANSWER✔✔-NEar |the |connector
Where |should |filtering |caps |be |placed? |- |CORRECT |ANSWER✔✔-Near |the |source |of
|power/gnd |(at |the |connector)
What |is |least |important |to |route |in |analog |circuits? |- |CORRECT |ANSWER✔✔-Power |and |
ground
What |is |a |major |consideration |for |component |placement? |- |CORRECT |ANSWER✔✔-Will |
backwards |compatibility |be |necessary?
What |is |Ohm's |law? |- |CORRECT |ANSWER✔✔-V=IR
What |is |an |important |basic |rule |for |a |designer |of |a |board? |- |CORRECT |ANSWER✔✔-Terminate |
unused |logic |pins |with |a |pull-down |or |pull-up |resistor.
What |product |safety |testing |regards |flame |retardants? |- |CORRECT |ANSWER✔✔-UL |94
How |thick |is |half |ounce |copper? |- |CORRECT |ANSWER✔✔-0.7 |mils |(17 |um |thick)
What |is |the |subtractive |process? |- |CORRECT |ANSWER✔✔-Unwanted |copper |is |etched |away
