Commercial processes (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does PNP assembly use to place components on circuit boards?
What does PNP assembly use to place components on circuit boards?
Programmable robotic devices
What technology does SMT use to pick up components?
What technology does SMT use to pick up components?
Vacuum technology
In through-hole technology, where are component leads inserted?
In through-hole technology, where are component leads inserted?
Through pre-drilled holes in the PCB
Which is the most popular method for attaching surface mount components?
Which is the most popular method for attaching surface mount components?
Flow/re-flow soldering
How is solder paste applied precisely to circuit boards in re-flow soldering?
How is solder paste applied precisely to circuit boards in re-flow soldering?
Using stencils
What happens when boards pass through the re-flow oven?
What happens when boards pass through the re-flow oven?
Heating melts solder paste
What is the first treatment stage in wave flow soldering?
What is the first treatment stage in wave flow soldering?
Fluxing
Why is flux used in soldering processes?
Why is flux used in soldering processes?
Helps solder flow and prevents oxidation
How is flux applied differently in re-flow vs wave flow soldering?
How is flux applied differently in re-flow vs wave flow soldering?
Mixed in paste vs separate step
What key advantage do PNP machines offer over manual assembly?
What key advantage do PNP machines offer over manual assembly?
Eliminate human error