HomeEngineeringPermissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). 5868. Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).By Admin / September 7, 2025 Highly Moderately Extremely Very extremely ✅ The correct answer is option B.
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