Used to identify pipe and fitting sizes in plumbing. Refers to the inside diameter of the pipe which can vary by thickness of the pipe. The outside is a constant size. For copper pipe the outside diameter is always 1/8 larger than the nominal size. Example: 1/2 nominal is always 5/8.
Competency-based learning or Competency-Based Education and Training is an approach to teaching and learning more often used in learning concrete skills than abstract learning. It differs from other non-related approaches in that the unit of learning is extremely fine grained.
The AICPAâs competency approach to accounting education is presented in the third part. The fourth part describes IAESBâs approach to accounting education, which is in transition at this writing and is moving toward adoption of competency-based standards by the year 2015. The systems-based competency model of accounting education proposed in this article is presented and illustrated in the fifth part.