Process Control Systems – EPRI Questions With Answers.

Process Control Systems – EPRI || || || || ||




Questions With Answers || || ||




What is the purpose of process controls? - CORRECT
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ANSWER(S)✔✔Provide the capability to monitor and || || || || || ||



adjust specific process parameters to maintain desired
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values.


What are the two types of automatic control for process
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systems? - CORRECT ANSWER(S)✔✔On/off
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Continuous


What are the 4 basic functions? - CORRECT
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ANSWER(S)✔✔Measure
Compare
Compute
Correct


What are the 4 classifications of hardware? - CORRECT
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ANSWER(S)✔✔Detector
Transducer
Controller

, Final Control Element
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What is the primary element?
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What is the secondary element? - CORRECT
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ANSWER(S)✔✔Sensor/Detector
Transducer and Transmitter || ||




What are the 4 most commonly measured process
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variables? - CORRECT ANSWER(S)✔✔Temperature || || ||




Pressure
Flow Rate
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Level


What are the three primary types of instrumentation
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used to measure temperature? - CORRECT
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ANSWER(S)✔✔Thermocouple
Resistance-Temperature Detector (RTD) || ||




Filled-System


What do pressure detectors do? What are the three
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units? - CORRECT ANSWER(S)✔✔Sense changes in
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pressure and convert the changes into mechanical
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motion or electrical signals.
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psi, inches mercury, or inches water
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