Basic Aircraft Maintenance Quiz

What is a Printed Circuit Board (PCB)?

• A board that provides electrical connections

• A type of electronic component

• A type of wiring used in aircraft

What are the three types of printed circuit boards?

• Single-layered, double-layered, multi-layered

• Flexible, rigid, hybrid

• Through hole, plated through hole, surface mount

What is the manufacturing process of PCBs?

What does PWB stand for?

• Printed Wiring Board

• Printed Wiring Box

• Printed Wiring Base

What is the thickness of the non-conductive material used in PCBs?

• 1/16 inch

• 1/8 inch

• 1/4 inch

What materials are commonly used to make PCBs?

• Epoxy resin impregnated paper

• Epoxy resin impregnated fiber glass cloth

• Both A and B

• None of the above

What is the difference between non-plated through holes and plated through holes?

• Presence of copper inside the insulating board material

• Cost

• Size

• None of the above

What technology has evolved from through-hole technology?

• Surface Mount Technology (SMT)

• Ball Grid Arrays (BGA)

• Both A and B

• None of the above

What is a key advantage of Ball Grid Arrays (BGA) components?

• Higher pin density

• Lower cost

• Easier installation

• None of the above

What are the two automated soldering principles used today?

• Flow soldering and reflow method

• Hand soldering and flow soldering

• Reflow method and hand soldering

• None of the above