Distribution Operator Certification Practice Exam 2025 - Free Practice Questions and Study Guide

Using the power tool to operate a distribution valve can introduce risks such as over-tightening or stripping the valve if the final adjustments are not handled carefully. For these final adjustments, performing the last few turns manually allows the operator to have greater control and feel for the valve's resistance. This tactile feedback can prevent damage to the valve and ensure it is seated correctly, which is crucial for maintaining system integrity and preventing leaks.

Manually adjusting the valve helps to ensure that it is closed properly without excessive force. This approach is particularly important because it allows the operator to detect any abnormal resistance that might indicate a problem, such as a misaligned valve or debris in the valve seat, which could lead to operational failures if not addressed. In contrast, relying solely on a power tool for final adjustments may not permit the operator to identify such conditions, leading to potential issues in system performance.