| 1. 5.62 Which of the following statements are correct, when working with benzene? |
| 2. 5.31 What is the main component of inert gas normally used on special chemical vessels? |
| 3. 5.06 When lifting anything heavy, which muscles should take most of the weight? |
| 4. 5.43 What defines a confined space? |
| 5. 5.46 Which of the following are examples of a confined space? |
| 6. 5.61 When working with benzene, in addition to a respirator, hard hat and safety footwear, what other personal protective equipment should be worn? |
| 7. 5.74 When working in an environment suspected of containing H2S, personal monitors must show a level below (or provide an alarm at) what limit? |
| 8. 5.36 What is the most informative source of information about the hazards of a product or chemical? |
| 9. 5.03 Regardless of the product, and in accordance with API Ch 8.1/ASTM D4057, what is the maximum level to which sample containers should normally be filled? |
| 10. 5.63 Can gasoline contain benzene? |
| 11. 5.27 What can help prevent a build-up and/or discharge of static electricity when sampling? |
| 12. 5.35 What is the correct source of information about the hazards of any product being inspected? |
| 13. 5.02 Regardless of the product, and in accordance with IP475/ISO 3170, what is the absolute maximum level to which sample containers must be filled? |
| 14. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)? |
| 15. 5.39 When does a confined space exist on a tank with an external floating roof? |
| 16. 5.40 Which of the following are considered to be confined spaces? |
| 17. 5.15 Which of the following is defined as a corrosive liquid? |
| 18. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA |
| 19. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean? |
| 20. 5.28 Why is it important to wear gloves while sampling? |
| 21. 5.52 An explosimeter (explosion meter) measuring LEL% is utilized to sample the atmosphere within a cargo tank and a reading of 15% is observed. What does the reading mean? |
| 22. 5.80 Refineries are not the only sources of industrial hydrogen sulfide (H2S). Which of the following are other sources? |
| 23. 5.44 Before entering a confined space, which tests are required? |
| 24. 5.68 How heavy are benzene vapours? |
| 25. 5.16 Corrosive liquids will directly injure the body tissue on contact. |
| 26. 5.84 What type of respirator filter cartridges should you use for protection against hydrogen sulfide? |
| 27. 5.04 What is the minimum personal protective equipment required when sampling? |
| 28. 5.05 When gauging a tank that is emitting vapours, where should you position yourself? |
| 29. 5.19 What does H2S stand for? |
| 30. 5.09 What should be the first reaction to any injury accident? |
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