NCCER Millwright Practice Exam 2025 - Free Millwright Practice Questions and Study Guide

Question: 1 / 400

When applying sealant to sealing gland flanges, how far from the inside edges should the sealant be kept?

1/8 inch

1/4 inch

3/16 inch

The proper distance to keep sealant from the inside edges of sealing gland flanges is 3/16 inch. This specificity is crucial for ensuring an effective seal without compromising the function of the flange. When sealant is applied too close to the edge, it can inadvertently enter the gap that needs to be sealed, potentially leading to contamination or blockage of the sealing surfaces.

Maintaining this distance helps ensure that the sealant functions effectively by allowing it to create a proper barrier, while preventing overflow into areas where it could disrupt the mechanical operation or lead to failure in the sealing integrity. This technique ensures that the joint remains functional and performs optimally without the risk of sealant-related failures.

Understanding these concepts is vital for millwrights, as proper sealing is essential for preventing leaks and maintaining the efficiency of machinery.

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1/2 inch

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