What is a possible equipment impact of adjusting leaking control valve packing?
A) Shutdown of process unit
B) Damage to motor
C) Valve may not open, close, or operate properly
D) Possible damage to downstream equipment due to higher flows and pressures
Answer: C
Explanation: A) Incorrect. Adjusting leaking control valve packing may cause the valve to not open, close, or operate properly.
B) Incorrect. Adjusting leaking control valve packing may cause the valve to not open, close, or operate properly.
C) Correct. Adjusting leaking control valve packing may cause the valve to not open, close, or operate properly.
D) Incorrect. Adjusting leaking control valve packing may cause the valve to not open, close, or operate properly.
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