An adjustment has just been completed on the packing gland of a motor-operated gate valve to stop a minor stem leak.
Which one of the following can occur if the technician overtightened the packing gland?
A. Decreased cooling flow to the valve internals.
B. Separation of the valve disk from the valve stem.
C. Misalignment of the valve position limit switches.
D. Increased stroke time from fully open to fully closed.
Show Answer
Answer: D
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