Control Valves are important devices used in irrigation systems to manage water flow. Think of them like electronic water faucets that can be adjusted automatically or manually to control how much water flows through pipes. These valves help farmers and irrigation specialists ensure that the right amount of water reaches different areas at the right time. They can be simple manual valves or sophisticated electronic ones that can be controlled by computers. Similar terms you might see include flow control valves, irrigation valves, or water regulation valves.
Installed and maintained Control Valves for 500-acre agricultural irrigation system
Programmed automated Control Valves to optimize water usage across multiple zones
Supervised upgrade of manual systems to electronic Control Valves for improved efficiency
Troubleshooted and repaired Flow Control Valves in large-scale irrigation networks
Typical job title: "Irrigation Technicians"
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Q: How would you design an irrigation system for a 1000-acre farm with varied terrain?
Expected Answer: A senior candidate should discuss analyzing water sources, calculating pressure requirements, selecting appropriate control valves, considering automation options, and planning for different crop zones while keeping maintenance access in mind.
Q: What factors do you consider when upgrading from manual to automated control valves?
Expected Answer: They should mention budget considerations, power availability, existing infrastructure compatibility, training requirements for staff, and the benefits of different automation systems.
Q: What are common problems with control valves and how do you diagnose them?
Expected Answer: Should be able to explain typical issues like clogging, pressure problems, and electrical failures, along with basic troubleshooting steps and maintenance procedures.
Q: How do you determine the right size and type of control valve for different applications?
Expected Answer: Should discuss flow rate requirements, pressure considerations, water quality factors, and how to match valve specifications to specific irrigation needs.
Q: What are the basic components of a control valve?
Expected Answer: Should be able to identify and explain the main parts like the valve body, actuator, and basic controls, showing understanding of how they work together.
Q: What safety procedures do you follow when working with control valves?
Expected Answer: Should mention basic safety protocols like pressure release, electrical safety if working with automated valves, and proper tool usage.