SOLDERING DE SOLDERING AND VARIOUS SWI - Quiz

1) What is the defect on the soldered joint, if it is cooled by blowing air?

Poor wetting Pits and voids Dry solder joint Dull grainy surface

2) How the thick layers of oxide is removed before doing the soldering activity?

Apply flux Clean normally Use abrasive method Use Isopropyl Alcohol

3) Why the plunger desoldering tool needs periodical cleaning?

To melt the solder quickly To help the joint to be soldered To prevent clogging of the nozzle To remove the flux collected in chamber