Texas CNG(Compressed Natural Gas) Driver Practice

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Enhance your skills with the Texas CNG Driver Test. Use flashcards and multiple choice questions, complete with hints and explanations. Prepare effectively for your exam!

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How must joints in underground piping be constructed according to safety standards?

Using uncoated threaded or socket-welded joints
Only welded joints are allowed
With protected coatings to prevent corrosion
Any method as long as they are not visible

The correct answer is: With protected coatings to prevent corrosion

The correct approach for constructing joints in underground piping, according to safety standards, involves using protected coatings to prevent corrosion. This is crucial because underground piping is exposed to various environmental factors that can lead to deterioration, such as soil moisture, chemicals, and other corrosive elements. Protected coatings serve as a barrier that helps safeguard the integrity of the piping system, extending its lifespan and reducing the risk of leaks or failures that could pose safety hazards. It is essential in ensuring the reliability and safety of the pipeline infrastructure, particularly in the context of transporting materials like CNG, which require stringent safety measures. The focus on preventing corrosion highlights the importance of durability and maintenance-free operation of underground systems. By following this standard, operators can ensure a safer working environment and protect the ecosystem from potential contamination from leaks.