HomeEngineering75% of a radioactive element decays in 6 hours. Its half life period is __________ hours. 3557. 75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.By Admin / September 7, 2025 3-Apr 1-Jun 3 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