1. 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? |
2. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)? |
3. 5.11 Portable electronic measurement equipment must be _______ immediately before gauging? |
4. 5.56 What is the current exposure limit for benzene (8 hour time weighted average)? |
5. 5.30 What is the main component of inert gas used on crude oil vessels? |
6. 5.50 What do the initials UEL stand for? |
7. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? |
8. 5.31 What is the main component of inert gas normally used on special chemical vessels? |
9. 5.41 What is the safe oxygen content range in a confined space? |
10. 5.43 What defines a confined space? |
11. 5.85 When working you must always wear a H2S monitor. |
12. 5.77 What are the characteristics of hydrogen sulfide? |
13. 5.01 What should be the first source of information when preparing to sample a new product? |
14. 5.40 Which of the following are considered to be confined spaces? |
15. 5.80 Refineries are not the only sources of industrial hydrogen sulfide (H2S). Which of the following are other sources? |
16. 5.17 A chemical has a strong odour. What does this indicate? |
17. 5.09 What should be the first reaction to any injury accident? |
18. 5.90 The Short Term Exposure Limit (STEL) defines exposure to a substance over how long? |
19. 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? |
20. 5.75 Organic filter respirators are sufficiently effective in a hydrogen sulphide atmosphere to be used for escape purposes. |
21. 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? |
22. 5.32 Why should pumping be suspended when first-in or first-foot samples are taken? |
23. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.) |
24. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. |
25. 5.59 How can benzene enter your body? |
26. 5.36 What is the most informative source of information about the hazards of a product or chemical? |
27. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. |
28. 5.63 Can gasoline contain benzene? |
29. 5.07 When are inspectors permitted to operate valves on board vessels? |
30. 5.68 How heavy are benzene vapours? |
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