Plant Operation Test 2025 – 400 Free Practice Questions to Pass the Exam

Image Description

Question: 1 / 400

What does the term "chattering" refer to in the context of a safety valve?

When a valve sticks open

When a safety valve opens and closes rapidly

Chattering in the context of a safety valve refers to the situation where the valve opens and closes rapidly. This phenomenon often occurs due to fluctuations in pressure that reach the valve's setpoint, causing it to oscillate between the open and closed positions. Such rapid cycling can lead to excessive wear on the valve components, ultimately affecting its reliability and performance.

In contrast, sticking open refers to a valve being unable to close properly, which would not fit the definition of chattering. A pressure gauge failure relates to measuring the system pressure, which doesn't involve the valve's operation. Lastly, uncontrollable steam escape describes a scenario more associated with valve failure or malfunction rather than the rapid opening and closing characteristic of chattering. Understanding these distinctions is crucial for effective operation and maintenance of safety valves in plant operations.

Get further explanation with Examzify DeepDiveBeta

When a pressure gauge fails

When steam escapes uncontrollably

Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy