Question
Identify the Cylinder as shown in the image
A. Oxygen
B. Helium
C. Nitrous Oxide
D. Carbon Dioxide
Show Answer
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Correct Answer » B
Explanation
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Colour coding of Gas cylinders
Colour coding of Gas cylinders (for UK and ISO):
| Substance |
Gas/vapour |
Symbol |
Colour coding Cylinder |
Colour coding Shoulder |
| Oxygen |
Gas |
O2 |
Black |
White |
| Nitrous oxide |
Vapour |
N2O |
Blue |
Blue |
| Entonox |
Gas and Vapour |
N2O/O2 |
Blue |
White/Blue |
| Air |
Gas |
AIR |
Black |
White/Black |
| Carbon dioxide |
Vapour |
CO2 |
Grey |
Grey |
| Helium |
Gas |
He |
Brown |
Brown |