Ohst Self Assessment Exam 2 /2024-2025 Complete Actual Exam Questions And Correct Answers (Verified Answers)

OHST SELF ASSESSMENT EXAM 2 /2024-2025 COMPLETE ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+. Which of the elements listed below belong to the halogen group? a. Na, Ca, K b. C, O, H c. F, Cl, Br, I d. Au, Ag, Pt The correct answer is C (Fluorine, Chlorine, Bromine and Iodine) The pneumoconiosis that is caused by inhalation of iron oxide is called? a. Anthracosis b. Siderosis c. Silicosis d. Silicosiderosis The correct answer is B Anthracosis is a pneumoconiosis caused by the exposure to coal dust (black lung) Silicosis is a pneumoconiosis caused by the dust of stone, sand or flint containing silica.Siderosis is a lung disease caused by inhalation of iron oxide or other metallic particles. Silicosiderosis is a pneumoconiosis in which the inhaled dust is that of silica and iron Read More IF a vessel contains 80% air and 20% hydrocarbons, what is he oxygen content of the vessel? a. 14% b. 21% c. 16.8% d. 15.5% The correct answer is C Normal air contains 21% oxygen by volume. The question states the vessel only contains 80% normal air, therefore 0.21 x 0.80 = 0.168 = 16.8% The tool rest on a