| 1. 5.58 The appearance and characteristic odor of benzene is? |
| 2. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. |
| 3. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? |
| 4. 5.42 Products have defined limits of combustion. What are these? |
| 5. 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? |
| 6. 5.25 How can the opportunity for a build-up and/or discharge of static electricity be reduced? |
| 7. 5.67 What effects may result from chronic exposure (long term) to benzene? |
| 8. 5.59 How can benzene enter your body? |
| 9. 5.53 What does an oxygen meter measure? |
| 10. 5.44 Before entering a confined space, which tests are required? |
| 11. 5.30 What is the main component of inert gas used on crude oil vessels? |
| 12. 5.06 When lifting anything heavy, which muscles should take most of the weight? |
| 13. 5.68 How heavy are benzene vapours? |
| 14. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)? |
| 15. 5.15 Which of the following is defined as a corrosive liquid? |
| 16. 5.70 What are the effects of acute exposure (short term) to benzene? |
| 17. 5.16 Corrosive liquids will directly injure the body tissue on contact. |
| 18. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.) |
| 19. 5.72 What is the most hazardous component of many crude oils? |
| 20. 5.60 What is the minimum required respirator for working in a benzene environment that is greater than the permitted exposure limit? |
| 21. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. |
| 22. 5.45 According to the International Safety Guide for Oil Tankers and Terminals (ISGOTT), for a tank to be safe for entry, what should the reading on a combustible gas detector be? |
| 23. 5.80 Refineries are not the only sources of industrial hydrogen sulfide (H2S). Which of the following are other sources? |
| 24. 5.12 All samples which are transported between terminals and laboratories or other installations should be labelled in accordance with the globally harmonised system for classification and labelling of chemicals (GHS). |
| 25. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean? |
| 26. 5.31 What is the main component of inert gas normally used on special chemical vessels? |
| 27. 5.07 When are inspectors permitted to operate valves on board vessels? |
| 28. 5.62 Which of the following statements are correct, when working with benzene? |
| 29. 5.57 Benzene is a health hazard. Which of the following are likely to contain benzene? |
| 30. 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? |
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