Best Answer: the rate of diffusion is directly proportional to the concentration gradient. The greater the difference in concentration between two areas, the greater the rate of diffusion.
EPC-40: Electrical Plastic Conduit : Designed for normal duty application. EPC-80: Electrical Plastic Conduit : Designed for heavy duty application.
In other words, in an EPC contract, the EPC contractor (EPCC) agrees to deliver the keys of a commissioned project to the owner for an agreed amount, just as a builder hands over the keys of a flat to the purchaser. An owner decides for an EPC contract for several vital reasons.