PLATING PROCESS MECHANICAL CLEANING - Practice Mode

1) Which tank is used for copper plating?

Plain welded steel Lead line tank Glass line tank Antimonial lead line tank

Correct Answer: Plain welded steel

2) What is the atomic number of copper?

30 29 28 31

Correct Answer: 29

Explanation:

Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.

3) What is the temperature of acid copper solution?

60 to 71 Degree Centigrade 40 to 45 Degree Centigrade 45 to 55 Degree Centigrade 25 to 30 Degree Centigrade

Correct Answer: 60 to 71 Degree Centigrade

4) Which type heater is suitable for acid copper solution?

Steel case electric immersion heater Silica case heater Lead line heater Glass line immersion heater

Correct Answer: Steel case electric immersion heater

5) What is rochelle copper salt?

Cyanide copper salt Acid copper salt Usex copper salt Copper fluaborak salt

Correct Answer: Acid copper salt

Explanation:

Rochelle salt is used in the cyanide copper plating bath to aid in anode corrosion and tends to give a denser, smoother deposit. Rochelle copper salt is a Acid copper salt.

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