HomeEngineeringArgon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 5380. Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air isBy Admin / September 7, 2025 0.14 0.34 0.94 1.4 ✅ The correct answer is option C.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin