G2 Gas Fitter Practice Exam

Question: 1 / 400

What is the expansion rate of propane?

90:1

270:1

The expansion rate of propane is indeed 270:1. This means that when propane is in liquid form, it can expand to produce 270 times its volume when converted into gas at atmospheric pressure. Understanding this value is crucial for gas fitters, as it informs how much space is required for safe storage and handling of propane.

For instance, when propane is stored in tanks, it is kept in liquid form under pressure. When released into the atmosphere, it vaporizes and expands significantly, making it important for gas fitters to accurately calculate the potential expansion to prevent hazards such as overpressure situations or leaks.

Recognizing the expansion ratio helps gas fitters ensure that installations comply with safety regulations and that they design systems with adequate venting and volume to allow for this expansion without risk of explosion or fire. Thus, this knowledge is vital for effective and safe gas-fitting practices.

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500:1

1000:1

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