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What is the instrument used for the automatic control scheme during the fluid flow?
  • a)
    Rotameters
  • b)
    Pulley plates
  • c)
    Rotary Piston
  • d)
    Pilot Static Tube
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What is the instrument used for the automatic control scheme during t...
Pilot static tube is a system that uses an automatic control scheme to detect pressure. It has several holes connected to one side of the device. These outside holes are called a pressure transducer, which controls the automatic scheme during fluid flow.
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What is the instrument used for the automatic control scheme during t...
Automatic Control Scheme in Fluid Flow
Automatic control schemes in fluid flow systems are essential for maintaining process efficiency and stability. One instrument commonly used for this purpose is the Pilot Static Tube.

Pilot Static Tube
- The Pilot Static Tube is a device that measures fluid flow by detecting the static pressure of the fluid.
- It consists of a small tube inserted into the fluid stream, with multiple pressure sensing ports along its length.
- By measuring the pressure difference between these ports, the flow rate of the fluid can be accurately calculated.
- The Pilot Static Tube is connected to a control system that adjusts valves or other flow control devices to maintain the desired flow rate.

Advantages of Pilot Static Tube
- Accurate measurement: The Pilot Static Tube provides precise flow rate measurements, allowing for tight control over the process.
- Versatility: It can be used in a wide range of fluid flow applications, from gases to liquids.
- Low maintenance: The Pilot Static Tube is a simple device that requires minimal maintenance, making it a cost-effective solution for automatic control schemes.
In conclusion, the Pilot Static Tube is a crucial instrument in automatic control schemes for fluid flow systems, providing accurate measurements and efficient control over the flow process.
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