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Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-23

2020-04-23View Original

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Process Engineering Section – Instrumentation and Automation Section – Daily Question – Question from 2020-04-23: Multiple-choice question: 97. In a differential pressure transmitter used to measure steam flow, if its indication gradually decreases over time, meaning that the flow rate reading stays low, what is the most likely cause? A. Balance valve leakage B. Leakage in the negative pressure side drain valve C. Clogged orifice plate D. Clogged negative pressure pressure tap Reference answer: A. Balance valve leakage

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