1. 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? |
2. 5.35 What is the correct source of information about the hazards of any product being inspected? |
3. 5.68 How heavy are benzene vapours? |
4. 5.75 Organic filter respirators are sufficiently effective in a hydrogen sulphide atmosphere to be used for escape purposes. |
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. 5.39 When does a confined space exist on a tank with an external floating roof? |
7. 5.31 What is the main component of inert gas normally used on special chemical vessels? |
8. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. |
9. 5.78 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of hydrogen sulfide? |
10. 5.38 A SDS will list what type of protective equipment is required when working with a particular material. |
11. 5.13 What information must GHS sample labels contain? |
12. 5.72 What is the most hazardous component of many crude oils? |
13. 5.16 Corrosive liquids will directly injure the body tissue on contact. |
14. 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? |
15. 5.21 Before gauging a tank, how can static electricity be discharged from your body? |
16. 5.74 When working in an environment suspected of containing H2S, personal monitors must show a level below (or provide an alarm at) what limit? |
17. 5.43 What defines a confined space? |
18. 5.83 Why is the sense of smell not reliable for detecting hydrogen sulfide? |
19. 5.27 What can help prevent a build-up and/or discharge of static electricity when sampling? |
20. 5.55 Which of the following conditions can cause false readings on an explosion meter? |
21. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean? |
22. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? |
23. 5.79 Which of the following exposure limits for H2S (for use with respirators) are correct? |
24. 5.84 What type of respirator filter cartridges should you use for protection against hydrogen sulfide? |
25. 5.25 How can the opportunity for a build-up and/or discharge of static electricity be reduced? |
26. 5.54 What is the normal oxygen content of the air? |
27. 5.09 What should be the first reaction to any injury accident? |
28. 5.70 What are the effects of acute exposure (short term) to benzene? |
29. 5.01 What should be the first source of information when preparing to sample a new product? |
30. 5.56 What is the current exposure limit for benzene (8 hour time weighted average)? |
31. 5.17 A chemical has a strong odour. What does this indicate? |
32. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide? |
33. 5.20 To find out if a material is hazardous, you must consult the SDS. |
34. 5.40 Which of the following are considered to be confined spaces? |
35. 5.86 What is the principal limitation of a filter or cartridge respirator? |
36. 5.37 Who can supply an SDS? |
37. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch. |
38. 5.29 What should you do to avoid the build-up and/or discharge of static electricity when using a portable electronic thermometer (PET)? |
39. 5.85 When working you must always wear a H2S monitor. |
40. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.) |
41. 5.41 What is the safe oxygen content range in a confined space? |
42. 5.05 When gauging a tank that is emitting vapours, where should you position yourself? |
43. 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? |
44. 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). |
45. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. |
46. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. |
47. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. |
48. 5.19 What does H2S stand for? |
49. 5.46 Which of the following are examples of a confined space? |
50. 5.32 Why should pumping be suspended when first-in or first-foot samples are taken? |
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