Safety pin index for oxygen cylinder is?
Ans. is 'a' i.e., 2, 5 Gas Pin index Oxygen 2,5 Nitrous oxide 3,5 Cyclopropane 3, 6 Air 1, 5 Nitrogen 1, 4 Entonox (50% 02 + 50%N,0) Single central (7) Carbon dioxide (<7.5%) 2, 6 Carbon dioxide (> 7.5%) 1, 6
2, 5
3,5
1,5
1,4