What is the color of an oxygen gas cylinder?

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ALP CBT 2 Fitter Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. Maroon
  2. Blue
  3. Green
  4. Black

Answer (Detailed Solution Below)

Option 4 : Black
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Detailed Solution

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Explanation:

In gas welding Heat source is the flame produced by the combustion of fuel gas and oxygen.

Acetylene (C2H2) is the principal fuel gas employed in this welding.

Gas cylinders are called by the name of the gas they are holding.

Name of the gas cylinder

Color coding

Oxygen

Black

Acetylene

Maroon

Coal

Red (with name coal gas)

Hydrogen

Red

Nitrogen

Grey (with black neck)

Air

Grey

Propane

Red (with a larger diameter and name propane)

Argon

Blue

Carbon Dioxide

Black (with white neck)

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