PCB MAKING AND CHEMICAL ETCHING PROCESS - Quiz

1) Which main equipment is required for metallizing?

Metal spray gun Powder coating gun Spray painting gun Electrostic spray gun

2) How should be the metallized surface?

Sealed or paint Clean and Dip Colouring and Descaling Oxidizing and Stripping

3) Which is the purpose of measuring pH value of solution?

Acidity and Alkalinity Metal impurites Organic contaminating Density and Efficeincy

4) Which method is used for determination of pH?

Colourmetric method and Electrometric methods Dipping method Transparent method Filteration method

5) Which factor the quality of coating mainly depends on?

Adhesion to the base metal Weight of base metal Size of base metal Properties of base metal