CHEMICAL CLEANING MAINTENANCE OF BATHS - Quiz

1) Where the conventional bright chromium plating type is employed?

Electronic components Automobile fitting Electrical contacts Flatware industries

2) Which is used for the suspension of articles to be bright chromium plated?

Bus bars Steel iron rods Jigs (or) Racks Iron angles

3) Which defect occurs due to inefficient contacts of articles in bright chromium plating?

Brown stains on deposit Dull, grey, rough deposit Blistered deposits Little chromium deposit on the article

4) Which type of plating is applied for rotating mechanical parts?

Bright chromium plating Hard chromium plating Brass plating Copper plating

5) What is the range value of chromic acid used for high speed hard chromium plating solution?

100 g/l to 150 g/l 200 g/l to 225 g/l 250 g/l to 300 g/l 300 g/l to 325 g/l