Georgia Commercial Driver License Practice Test

What should you ensure you have to avoid problems with an air compressor tank?

1. Manual drain valve

2. Automatic drain valve

3. Emergency release valve

4. Pressure gauge

The correct answer is: Automatic drain valve

To avoid problems with an air compressor tank, having an automatic drain valve is essential. This valve is designed to automatically remove moisture and condensation that builds up in the air compressor tank, which can prevent rust, corrosion, and damage over time. Moisture in the tank can lead to inefficiencies in the air system and can also cause the air tools that rely on the compressed air to operate poorly, often underperforming or breaking down due to water contamination. An automatic drain valve ensures that this moisture is consistently removed without requiring manual intervention, increasing operational efficiency and extending the lifespan of the air compressor system. While other types of valves and gauges have their importance, they serve different functions. A manual drain valve requires regular manual operation to drain moisture, which can be overlooked, leading to potential problems. An emergency release valve is designed to prevent overpressure situations, and a pressure gauge measures the air pressure in the tank but does not directly address the issue of moisture buildup. Therefore, the automatic drain valve stands out as the best option for maintaining the integrity and function of the air compressor tank.