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.
Assessment & Selection Competencies. A competency is a measurable pattern of knowledge, skills, abilities, behaviors, and other characteristics that an individual needs to perform work roles or occupational functions successfully. Competencies specify the how of performing job tasks, or what the person needs to do the job successfully. Competencies are used for: 1  assessing and selecting candidates for a job; 2  assessing and managing employee performance; 3  workforce planning; and.  employee training and development.