PIN index of nitrous oxide is?: (A) 5-Jan, (B) 5-Feb, (C) 5-Mar, (D) 6-Jan
Answer is C. ANSWER: (C) 3-5REF: Morgan 4th ed p, 20PIN INDEX Air1-5NITROUS OXIDEOxygen2-5* Stored in blue cylinder* Pin index: 3-5* Liquid gas* 745 psi pressure* 1590 lit is the volumeNitrous oxide3-5Carbon di oxide1-6Helox2-4Entonox7