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Questions and Answers
What symbol represents an electronic signal?
What symbol represents an electronic signal?
Which of the following signals is represented by a line with train tracks?
Which of the following signals is represented by a line with train tracks?
Identify the symbol for a control valve.
Identify the symbol for a control valve.
What does the acronym FIC stand for?
What does the acronym FIC stand for?
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Which symbol is used for a check valve?
Which symbol is used for a check valve?
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How is a pump symbolized in the context of suction and discharge?
How is a pump symbolized in the context of suction and discharge?
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What is represented by a bow tie with a rectangle and M in the center?
What is represented by a bow tie with a rectangle and M in the center?
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Which symbol represents an orifice plate?
Which symbol represents an orifice plate?
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What does the TL acronym stand for?
What does the TL acronym stand for?
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How is an exchanger represented on the shell side?
How is an exchanger represented on the shell side?
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Study Notes
Symbology in Process Control
- Electronic Signals are represented by a dashed line.
- Pneumatic Signals are represented by a line with perpendicular lines, resembling train tracks.
- Digital Signals are represented by a dash, circle, and dash.
- Current to Pneumatic Transducer is represented by a dashed line transitioning into a solid line with train tracks.
- Check Valve is depicted as a vertical line with a diagonal arrow pointing upwards within it.
- Orifice Plate is represented by three vertical lines, with the middle line being shorter.
- Block Valve is depicted as a bow tie with a T shape on top.
- Control Valve is represented as a bow tie with an umbrella shape on top.
- Motor Operated Valve is depicted as a bow tie with a rectangle containing an "M" in the center.
- Pump is represented with a suction line running through the middle and a discharge line at the top.
- Exchanger (tube side) is depicted with a line passing through a zigzag line signifying the tubes.
- Exchanger (shell side) is represented with a pointing arrow directed towards and out of the tubes but not passing through them.
Instrumentation and Control Abbreviations
- FIC stands for Flow Indicator Controller, responsible for measuring and controlling flow rates.
- TE stands for Temperature Element, a sensor used to detect and measure temperature changes.
- TAL stands for Temperature Alarm Low, an alarm that triggers when the temperature falls below a set threshold.
- PI stands for Pressure Indicator, used to display pressure measurements.
- LG stands for Level Gauge, an instrument used to measure the level of a liquid in a tank or vessel.
- d/p stands for Differential Pressure, the difference in pressure between two points.
- FCV stands for Flow Control Valve, a valve used to regulate the flow rate of a fluid.
- LALL stands for Level Alarm Low Low , an alarm that triggers when the level of a liquid falls below a very low threshold.
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Description
This quiz focuses on understanding the different symbols used in process control. It covers various electronic and pneumatic signals, as well as representations for valves, pumps, and exchangers. Test your knowledge on these critical symbols and enhance your expertise in process control systems.
