Texas Commission on Environmental Quality (TCEQ). Class C Water License Exam

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What is the maximum withdrawal rate when using a ton cylinder?

200 pounds
300 pounds
400 pounds
500 pounds

The correct answer is: 400 pounds

The maximum withdrawal rate when using a ton cylinder is 400 pounds. This value is based on safety and efficiency guidelines established for handling ton cylinders, particularly in the context of gas withdrawal. The guidelines ensure that the withdrawal rate does not exceed the recommended limits to prevent issues such as excessive pressure drops in the cylinder, which can lead to operational problems or safety hazards. In practical terms, adhering to this 400 pounds maximum ensures that the ton cylinder can maintain its pressure and temperature more effectively, which contributes to more stable and reliable gas delivery for various applications. This rate is critical in preventing the freezing of valves or other components, which can compromise unit performance and safety. Understanding the specific characteristics of the equipment being used, such as a ton cylinder, allows operators to make informed decisions about gas usage and to manage resources responsibly. The maximum withdrawal rate is thus a key concept in the operation and maintenance of gas delivery systems used in various industries, including water treatment and environmental management.