engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Estimation and Costing Estimation of Wiring
PVC is preferred over VIR in extreme environments such as in cement/chemical factory. This is because
1
PVC is inert to oxygen and almost inert to oils and too many alkaline and acids
2
PVC is less costly
3
of good mechanical properties of PVC
4
All of the above