EE569 IPC Test Questions well
answered passed
The two functions of a solder connection are - correct answer ✔✔Mechanical and electrical
connection
An imperfect solder joint may result in - correct answer ✔✔Electrical failure
Keeping your workstation clean means you can - correct answer ✔✔Avoid contamination of the
assembly
ESD damage can be controlled by - correct answer ✔✔Proper grounding
The primary reason not to eat or drink at your workstation is to avoid - correct answer
✔✔Ingesting lead
A pointed soldering iron tip should be used - correct answer ✔✔For small connections
When a solder joint is heated for more than 3 seconds - correct answer ✔✔There may be heat
damage to the base material and plated barrel
The main advantages of 63/37 eutectic solder are - correct answer ✔✔It melts at lower
temperature and solidifies faster
It's important to remove certain types of fluxes after hand soldering because - correct answer
✔✔Sticky residues can hold electrically conductive contaminants and cause metal corrosion
, Solder wetting is defined as - correct answer ✔✔A smooth, unbroken film of solder, feathered
onto base metals
The reason it is important to use the correct solder wire diameter is - correct answer ✔✔For
control of speed and amount of solder
The reason for tinning the soldering iron tip is to - correct answer ✔✔Transfer heat rapidly
When the soldering iron contacts the cleaning sponge for too long - correct answer ✔✔The tip
may cool down too much and may affect the formation of a proper solder joint
Using excessive pressure when soldering can cause - correct answer ✔✔All of the above
We solder on the termination side of the board - away from the components - correct answer
✔✔To prevent heat damage to the components
Preheating - correct answer ✔✔Speeds up the soldering process to help prevent heat damage
to the assembly
It's important to remove the flux residue right after the soldering operation because - correct
answer ✔✔It can harden and become difficult to remove
If you think components may be sensitive to cleaning fluids, you should - correct answer ✔✔Ask
about your company specific policy if you have any questions
An ideal solder joint has - correct answer ✔✔A concave fillet, complete solder coverage,
smooth texture, wetting that feathers smoothly onto metals, and the outline of the lead visible
answered passed
The two functions of a solder connection are - correct answer ✔✔Mechanical and electrical
connection
An imperfect solder joint may result in - correct answer ✔✔Electrical failure
Keeping your workstation clean means you can - correct answer ✔✔Avoid contamination of the
assembly
ESD damage can be controlled by - correct answer ✔✔Proper grounding
The primary reason not to eat or drink at your workstation is to avoid - correct answer
✔✔Ingesting lead
A pointed soldering iron tip should be used - correct answer ✔✔For small connections
When a solder joint is heated for more than 3 seconds - correct answer ✔✔There may be heat
damage to the base material and plated barrel
The main advantages of 63/37 eutectic solder are - correct answer ✔✔It melts at lower
temperature and solidifies faster
It's important to remove certain types of fluxes after hand soldering because - correct answer
✔✔Sticky residues can hold electrically conductive contaminants and cause metal corrosion
, Solder wetting is defined as - correct answer ✔✔A smooth, unbroken film of solder, feathered
onto base metals
The reason it is important to use the correct solder wire diameter is - correct answer ✔✔For
control of speed and amount of solder
The reason for tinning the soldering iron tip is to - correct answer ✔✔Transfer heat rapidly
When the soldering iron contacts the cleaning sponge for too long - correct answer ✔✔The tip
may cool down too much and may affect the formation of a proper solder joint
Using excessive pressure when soldering can cause - correct answer ✔✔All of the above
We solder on the termination side of the board - away from the components - correct answer
✔✔To prevent heat damage to the components
Preheating - correct answer ✔✔Speeds up the soldering process to help prevent heat damage
to the assembly
It's important to remove the flux residue right after the soldering operation because - correct
answer ✔✔It can harden and become difficult to remove
If you think components may be sensitive to cleaning fluids, you should - correct answer ✔✔Ask
about your company specific policy if you have any questions
An ideal solder joint has - correct answer ✔✔A concave fillet, complete solder coverage,
smooth texture, wetting that feathers smoothly onto metals, and the outline of the lead visible
