HomeEngineeringFirst class timber has an average life of_____________? 135. First class timber has an average life of_____________?By Admin / September 7, 2025 A. less than one year B. 1 to 5 years C. 5 to 10 years D. more than 10 years ✅ The correct answer is option D.
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