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Electroplater
Electroplater Set-1
Anodising
19

Anodising MCQ with Answers

19) Which material is used as a insulating board in PCB?

PVC

Fibre glass

Plastic

Bakelite

Answer is:

Fibre glass

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20) Which is the name of material used for PCB thin tracks (Conducting path)?

Gold

Bronze

Silver

Brass

Answer is:

Silver

21) Which is the name of chemical used for etching in economical way?

Alkaline ammonia

Sulpuric - Hydrogen peroxide

Cupric chloride

Ferric chloride

Answer is:

Ferric chloride

22) Which is the name of process that removing of copper present in the unmasked portion in PCB?

Etching

Desoldering

Filing

Grinding

Answer is:

Etching

23) Which is the reason that PCB taken out of the solution is to be cleaned by fresh water?

To clean surface

To stop further etching

To check condition of copper

To remove the paints

Answer is:

To stop further etching

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