0 votes 0 votes A psychrometric chart is used to determine $\text{pH}$ $\text{Sound velocity in glasses}$ $\text{CO}_2 \text{concentration}$ $\text{Relative humidity}$ Others gate2012-in + – Milicevic3306 asked Mar 25, 2018 • edited Nov 19, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply