| 1. 5.40 Which of the following are considered to be confined spaces? |
| 2. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.) |
| 3. 5.53 What does an oxygen meter measure? |
| 4. 5.36 What is the most informative source of information about the hazards of a product or chemical? |
| 5. 5.83 Why is the sense of smell not reliable for detecting hydrogen sulfide? |
| 6. 5.42 Products have defined limits of combustion. What are these? |
| 7. 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? |
| 8. 5.58 The appearance and characteristic odor of benzene is? |
| 9. 5.50 What do the initials UEL stand for? |
| 10. 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? |
| 11. 5.68 How heavy are benzene vapours? |
| 12. 5.13 What information must GHS sample labels contain? |
| 13. 5.43 What defines a confined space? |
| 14. 5.05 When gauging a tank that is emitting vapours, where should you position yourself? |
| 15. 5.56 What is the current exposure limit for benzene (8 hour time weighted average)? |
| 16. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)? |
| 17. 5.60 What is the minimum required respirator for working in a benzene environment that is greater than the permitted exposure limit? |
| 18. 5.78 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of hydrogen sulfide? |
| 19. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. |
| 20. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. |
| 21. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? |
| 22. 5.07 When are inspectors permitted to operate valves on board vessels? |
| 23. 5.86 What is the principal limitation of a filter or cartridge respirator? |
| 24. 5.24 As you enter a bunded/fire wall area to sample a fuel oil tank, you begin to feel dizzy. What action should you take? |
| 25. 5.54 What is the normal oxygen content of the air? |
| 26. 5.15 Which of the following is defined as a corrosive liquid? |
| 27. 5.48 What do the initials LEL stand for? |
| 28. 5.08 Which of the following safety equipment is not required on every job? |
| 29. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch. |
| 30. 5.59 How can benzene enter your body? |
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