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2026
Process Control
Process Instrumentation
easy
MCQ
1 Mark
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In the P&ID shown below, which one of the following is the function of PAH in the process?
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Select the correct option:
A
to maintain a constant pressure in the vessel by throttling the pump outlet
B
to alert when high pressure is detected in the tank
C
to measure the average pressure in the vessel and display it locally
D
to regulate the flow from the vessel to downstream users
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