| 1. 5.48 What do the initials LEL stand for? |
| 2. 5.39 When does a confined space exist on a tank with an external floating roof? |
| 3. 5.07 When are inspectors permitted to operate valves on board vessels? |
| 4. 5.67 What effects may result from chronic exposure (long term) to benzene? |
| 5. 5.90 The Short Term Exposure Limit (STEL) defines exposure to a substance over how long? |
| 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. 5.46 Which of the following are examples of a confined space? |
| 8. 5.88 May an inspector board a vessel by means of using a Pilot s ladder? |
| 9. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch. |
| 10. 5.81 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of H2S? |
| 11. 5.50 What do the initials UEL stand for? |
| 12. 5.06 When lifting anything heavy, which muscles should take most of the weight? |
| 13. 5.15 Which of the following is defined as a corrosive liquid? |
| 14. 5.16 Corrosive liquids will directly injure the body tissue on contact. |
| 15. 5.70 What are the effects of acute exposure (short term) to benzene? |
| 16. 5.27 What can help prevent a build-up and/or discharge of static electricity when sampling? |
| 17. 5.66 What is the appearance and characteristic odour of benzene? |
| 18. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.) |
| 19. 5.78 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of hydrogen sulfide? |
| 20. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide? |
| 21. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. |
| 22. 5.40 Which of the following are considered to be confined spaces? |
| 23. 5.08 Which of the following safety equipment is not required on every job? |
| 24. 5.05 When gauging a tank that is emitting vapours, where should you position yourself? |
| 25. 5.11 Portable electronic measurement equipment must be _______ immediately before gauging? |
| 26. 5.20 To find out if a material is hazardous, you must consult the SDS. |
| 27. 5.56 What is the current exposure limit for benzene (8 hour time weighted average)? |
| 28. 5.54 What is the normal oxygen content of the air? |
| 29. 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? |
| 30. 5.42 Products have defined limits of combustion. What are these? |
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