HomeEngineeringDuring ageing of fluid carrying pipes, the 6255. During ageing of fluid carrying pipes, theBy Admin / September 7, 2025 Pipe becomes smoother with use Friction factor increases linearly with time Absolute roughness decreases with time Absolute roughness increases linearly with time ✅ 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