Asbestos Contractor/Supervisor Practice Exam 2025 - Complete Prep Guide

Question: 1 / 400

Which type of asbestos is known to be most difficult to wet?

Crocidolite

Crocidolite, also known as blue asbestos, is considered the most difficult type of asbestos to wet due to its unique physical properties. Its fibers are very thin and have a high tensile strength, which contributes to their difficulty in absorbing water. This resistance to wetting can complicate both removal and remediation efforts, as wetting agents are often used to suppress dust and minimize inhalation risks during these processes.

In addition, crocidolite has a hydrophobic (water-repelling) nature, which means water does not easily permeate or bond with the fibers. This aspect can pose challenges in controlling asbestos dust during demolition or renovation activities, making it particularly hazardous in environments where it is present. Understanding the characteristics of different asbestos types, especially crocidolite, is crucial for ensuring safe handling and compliance with health and safety regulations.

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Chrysotile

Amasite

Anthophyllite

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