CHEMICAL CLEANING MAINTENANCE OF BATHS - Practice Mode

1) Which cyanide salt is used for copper plating?

Acid copper salt Rochelle copper salt Usex copper salt Copper fluo salt

Correct Answer: Usex copper salt

2) Which type solution is used for copper plating removal by immersion method?

Chromic acid and Sulphuric acid Nitric acid and Hydrochloric acid Fier salt and Hydrochronic acid Hydro fluoric acid and Cyanide solution

Correct Answer: Chromic acid and Sulphuric acid

3) Which is the property of nickel?

Rapid soluble in hydrochloride High mechanical strength Dilute sulphuric acid attacks nickel Low mechanical strength

Correct Answer: High mechanical strength

4) Which type of electroplating is used for decorative finishing?

Gold plating Silver plating Nickel plating Cadmium plating

Correct Answer: Nickel plating

5) Which type of plating tank is used for swilling, drag in and drag out operation for nickel plating?

Glass fibre tank Enamelled tank Stoneware tank Stainless steel tank

Correct Answer: Stainless steel tank

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