What does the term "gas pressure test" refer to?

The term "gas pressure test" specifically refers to a procedure used to check for leaks in gas piping. This is typically performed after installation or repair of gas piping systems to ensure that there are no leaks that could lead to dangerous conditions, such as explosions or gas poisoning. During the test, the system is pressurized, and any drop in pressure indicates a potential leak, allowing for corrective actions to be taken before the system is put into use.

The focus on safety makes this procedure critical for gas installations. Testing for leaks is essential to maintain the integrity of the gas delivery system and protect against hazards.

In contrast, the other options pertain to different aspects of working with gas systems, such as checking appliance efficiency, measuring gas temperature, or calibrating meters, but they do not accurately describe the purpose of a gas pressure test. Understanding the specific function of a gas pressure test highlights its importance in ensuring the safe operation of gas piping installations.