Distinguish test ports from sampling taps on a meter assembly.

Distinguish test ports from sampling taps on a meter assembly.

• A. Test ports are used for pressure measurement and leak testing; sampling taps allow collecting a gas sample for analysis; both require proper protection.
• B. Test ports measure temperature and humidity; sampling taps measure pressure.
• C. Test ports are used to drain liquids; sampling taps vent gas to atmosphere.
• D. Test ports and sampling taps serve the same function.

Answer: (A)