| 1. 5.18 A hard hat s most important feature, when worn, is the distance between the shell and the wearer s head. |
| 2. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it. |
| 3. 5.16 Corrosive liquids will directly injure the body tissue on contact. |
| 4. 5.88 May an inspector board a vessel by means of using a Pilot s ladder? |
| 5. 5.61 When working with benzene, in addition to a respirator, hard hat and safety footwear, what other personal protective equipment should be worn? |
| 6. 5.86 What is the principal limitation of a filter or cartridge respirator? |
| 7. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)? |
| 8. 5.44 Before entering a confined space, which tests are required? |
| 9. 5.42 Products have defined limits of combustion. What are these? |
| 10. 5.77 What are the characteristics of hydrogen sulfide? |
| 11. 5.83 Why is the sense of smell not reliable for detecting hydrogen sulfide? |
| 12. 5.01 What should be the first source of information when preparing to sample a new product? |
| 13. 5.08 Which of the following safety equipment is not required on every job? |
| 14. 5.80 Refineries are not the only sources of industrial hydrogen sulfide (H2S). Which of the following are other sources? |
| 15. 5.55 Which of the following conditions can cause false readings on an explosion meter? |
| 16. 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? |
| 17. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide? |
| 18. 5.70 What are the effects of acute exposure (short term) to benzene? |
| 19. 5.15 Which of the following is defined as a corrosive liquid? |
| 20. 5.28 Why is it important to wear gloves while sampling? |
| 21. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? |
| 22. 5.51 What does an explosimeter (explosion meter) measure? |
| 23. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. |
| 24. 5.19 What does H2S stand for? |
| 25. 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? |
| 26. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean? |
| 27. 5.50 What do the initials UEL stand for? |
| 28. 5.43 What defines a confined space? |
| 29. 5.72 What is the most hazardous component of many crude oils? |
| 30. 5.13 What information must GHS sample labels contain? |
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