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Doctors Medicines MCQs Q&A

What is the color of an oxygen gas cylinder?

What is the color of an oxygen gas cylinder? Correct Answer Black

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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