QUESTIONS AND ANSWERS | VERIFIED
BY EXPERT | 2025 LATEST UPDATE.
Q: Which material would not be used for a PCB?
A. Cardboard
B. Fiberglass
C. Epoxy
D. Bakelite
Answer ✔✔ A. Cardboard
Q: On what type of circuit board would you most likely find an unsupported hole?
Answer ✔✔ A single sided PCB
Q: What material is most commonly used to form the traces on a PCB?
Answer ✔✔ Copper
Q: What is the copper conductor around a PCB drill hole usually called?
Answer ✔✔ A pad
Q: Why should maximum solder connection time be limited?
Answer ✔✔ Because the pad may be lifted due to heat, and the component may be damaged due
to heat
Q: Which of the following is a characteristic of a good solder connection?
A. Dull gray color
B. Holes in the solder
C. Concave shape
D. Crystalline appearance
Answer ✔✔ C. Concave shape
, Q: What degree bend do you typically put in a resistor’s leads when mounting it to a PCB?
Answer ✔✔ 90 degrees
Q: Why should care be taken when removing a component that is to be discarded?
Answer ✔✔ So the circuit board is not damaged.
Q: What determines the method of component replacement on a PCB?
Answer ✔✔ The original installation method
Q: How is a sweated component supposed to be released?
Answer ✔✔ With heat
Q: What factor do you suppose the pattern or template for a PCB is not based upon?
A. Circuit design
B. Physical board size
C. Trace resistance value
D. Color of the components
Answer ✔✔D. Color of the components
Q: What device is used to connect pads on either side of a PCB?
Answer ✔✔ An eyelet
Q: What is the minimum distance a lead bend should be kept away from a component’s
body?
Answer ✔✔ 1/8" (3mm)
Q: Why should a component lead not be bent right at the lead/body junction?
Answer ✔✔ This bend mechanically stresses the component