EE569 IPC Test Questions || 100% Accurate Answers.
The two functions of a solder connection are correct answers Mechanical and electrical
connection
An imperfect solder joint may result in correct answers Electrical failure
Keeping your workstation clean means you can correct answers Avoid contamination of the
assembly
ESD damage can be controlled by correct answers Proper grounding
The primary reason not to eat or drink at your workstation is to avoid correct answers Ingesting
lead
A pointed soldering iron tip should be used correct answers For small connections
When a solder joint is heated for more than 3 seconds correct answers There may be heat damage
to the base material and plated barrel
The main advantages of 63/37 eutectic solder are correct answers It melts at lower temperature
and solidifies faster
It's important to remove certain types of fluxes after hand soldering because correct answers
Sticky residues can hold electrically conductive contaminants and cause metal corrosion
Solder wetting is defined as correct answers A smooth, unbroken film of solder, feathered onto
base metals
The reason it is important to use the correct solder wire diameter is correct answers For control
of speed and amount of solder
, The reason for tinning the soldering iron tip is to correct answers Transfer heat rapidly
When the soldering iron contacts the cleaning sponge for too long correct answers 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 answers All of the above
We solder on the termination side of the board - away from the components correct answers To
prevent heat damage to the components
Preheating correct answers 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
answers It can harden and become difficult to remove
If you think components may be sensitive to cleaning fluids, you should correct answers Ask
about your company specific policy if you have any questions
An ideal solder joint has correct answers A concave fillet, complete solder coverage, smooth
texture, wetting that feathers smoothly onto metals, and the outline of the lead visible
Class 3 requirements in the J-Standard 001 are for correct answers High reliability electronics -
where failure is not an option
A cold solder joint correct answers Looks dull and grainy, and is poorly wetted
A solder bridge is correct answers An unwanted solder connection between two or more
conductive features
The two functions of a solder connection are correct answers Mechanical and electrical
connection
An imperfect solder joint may result in correct answers Electrical failure
Keeping your workstation clean means you can correct answers Avoid contamination of the
assembly
ESD damage can be controlled by correct answers Proper grounding
The primary reason not to eat or drink at your workstation is to avoid correct answers Ingesting
lead
A pointed soldering iron tip should be used correct answers For small connections
When a solder joint is heated for more than 3 seconds correct answers There may be heat damage
to the base material and plated barrel
The main advantages of 63/37 eutectic solder are correct answers It melts at lower temperature
and solidifies faster
It's important to remove certain types of fluxes after hand soldering because correct answers
Sticky residues can hold electrically conductive contaminants and cause metal corrosion
Solder wetting is defined as correct answers A smooth, unbroken film of solder, feathered onto
base metals
The reason it is important to use the correct solder wire diameter is correct answers For control
of speed and amount of solder
, The reason for tinning the soldering iron tip is to correct answers Transfer heat rapidly
When the soldering iron contacts the cleaning sponge for too long correct answers 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 answers All of the above
We solder on the termination side of the board - away from the components correct answers To
prevent heat damage to the components
Preheating correct answers 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
answers It can harden and become difficult to remove
If you think components may be sensitive to cleaning fluids, you should correct answers Ask
about your company specific policy if you have any questions
An ideal solder joint has correct answers A concave fillet, complete solder coverage, smooth
texture, wetting that feathers smoothly onto metals, and the outline of the lead visible
Class 3 requirements in the J-Standard 001 are for correct answers High reliability electronics -
where failure is not an option
A cold solder joint correct answers Looks dull and grainy, and is poorly wetted
A solder bridge is correct answers An unwanted solder connection between two or more
conductive features
