OSHA Module 19 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

OSHA Module 19 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is silica? Silica is a natural mineral found in sand, rock, and quartz. Why is silica dust dangerous? It can enter the lungs and cause serious diseases. What disease is caused by inhaling silica dust? Silicosis. How does silica dust enter the body? By breathing it in. What are the symptoms of silicosis? Shortness of breath, coughing, and chest pain. 2 Can silica exposure cause lung cancer? Yes, long-term exposure can lead to lung cancer. Why is wet cutting safer than dry cutting when working with silica materials? Wet cutting reduces dust in the air. What should workers wear to protect against silica dust? Respirators and protective clothing. Why is ventilation important in areas where silica dust is present? It helps reduce airborne dust levels. What industries have the highest risk of silica exposure? Construction, mining, and manufacturing. Why should silica dust be cleaned using wet methods or vacuums? Dry sweeping spreads the dust into the air. 3 What should workers do if they suspect high silica dust levels at work? Report it to a supervisor immediately. What is an engineering control for silica exposure? Water suppression systems. Why must workers be trained on silica safety? To understand risks and protective measures. What type of respirator is required for high silica exposure areas? A NIOSH-approved respirator. How often should workers be tested for silica-related health issues? As recommended by a medical professional. What is a permissible exposure limit (PEL) for silica dust? The maximum amount of silica dust allowed in workplace air. 4 Why should silica-exposed workers avoid smoking?