GAUGES - Practice Mode

1) What is the operation of a metal coated with other metal to obtain protecting surface?

Cladding Galvanising Cementation Electroplating

Correct Answer: Electroplating

2) Which metal powder is used in calorising process to prevent corrosion?

Zinc powder Nickel powder Chromium powder Aluminium powder

Correct Answer: Aluminium powder

3) What is the temperature required to process the chromising for prevention of corrosion?

900 to 1100 Degree Centigrade 1000 to 1100 Degree Centigrade 1100 to 1200 Degree Centigrade 1300 to 1400 Degree Centigrade

Correct Answer: 1300 to 1400 Degree Centigrade

4) Which metal has high resistance to chemical reaction?

Lead Nickel Copper Aluminium

Correct Answer: Nickel

5) Which bearing material is used for light loading and low speed application?

Cast iron Tin bronze Cadmium based alloy Copper and lead alloys

Correct Answer: Cast iron

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