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PLATING ON NON CONDUCTIVE SURFACE - Practice Mode
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Electroplater
PLATING ON NON CONDUCTIVE SURFACE
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1) Which is the chemical formula of phosphoric acid?
P<sub>3</sub> HO4
H<sub>3</sub> PO4
O<sub>3</sub> HP4
P4 HO<sub>3</sub>
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Correct Answer: H<sub>3</sub> PO4
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1) Which is the chemical formula of phosphoric acid?
P<sub>3</sub> HO4
H<sub>3</sub> PO4
O<sub>3</sub> HP4
P4 HO<sub>3</sub>
2) What is phosphating process?
Convert to steel surface area
Plating on surface
Coating on surface
Masking of surface
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Correct Answer: Convert to steel surface area
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2) What is phosphating process?
Convert to steel surface area
Plating on surface
Coating on surface
Masking of surface
3) Which acid solution is used for phosphating?
Phosphoric acid solution
Hydrofloric acid solution
Hydrochloric solution
Chromic acid solution
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Correct Answer: Phosphoric acid solution
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3) Which acid solution is used for phosphating?
Phosphoric acid solution
Hydrofloric acid solution
Hydrochloric solution
Chromic acid solution
4) Which process is used before powder coating?
Dyeing
Painting
Phosphating
Dipping
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Correct Answer: Phosphating
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4) Which process is used before powder coating?
Dyeing
Painting
Phosphating
Dipping
5) What is the temperature of powder coated article?
200 Degree Centigrade
100 Degree Centigrade
400 Degree Centigrade
300 Degree Centigrade
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Correct Answer: 200 Degree Centigrade
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5) What is the temperature of powder coated article?
200 Degree Centigrade
100 Degree Centigrade
400 Degree Centigrade
300 Degree Centigrade
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