GAUGES - Practice Mode

1) Which metal is used in electroplating to the metal surface to resist corrosion for long period and to retain high polish?

Lead Nickel Chromium Aluminium

Correct Answer: Chromium

2) Which metal protects corrosion resistant and does not crack or peel off due to temperature variation on coating?

Zinc Nickel Copper Chromium

Correct Answer: Zinc

3) Which corrosion resistant metal is used in chemical plant and food processing?

Lead Copper Aluminium Stainless steel

Correct Answer: Stainless steel

4) What is the purpose of thrust ball bearing?

Axial load Radial load Axial thrust load Vertical thrust load

Correct Answer: Vertical thrust load

Explanation:

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5) Which bearing material is used in connecting rod and electrical motors?

White metal Sintered alloy Aluminium alloy Copper lead alloy

Correct Answer: Copper lead alloy

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