Why is the orifice tab provided?

Interview Questions Instrumentation
1

The orifice tab is provided due to the following reasons.

  1. Indication of an orifice plate in a line.
  2. The orifice diameter is marked on it.
  3. The material of the orifice plate.
  4. The tag no. ofthe orifice plate.
  5. The mark the inlet of an orifice.