SECTION 5 - SAFETY
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คำชี้แจง
- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้
- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 27 ข้อขึ้นไป
กรอกชื่อจริง
กรอกนามสกุล
แบบทดสอบนี้ มีจำนวนข้อสอบ 90 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ
1. 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).
    a. True
    b. False


2. 5.50 What do the initials UEL stand for?
    a. Upper environmental level
    b. Unknown environmental level
    c. Upper explosive limit
    d. Unknown explosive levels
3. 5.61 When working with benzene, in addition to a respirator, hard hat and safety footwear, what other personal protective equipment should be worn?
    a. Safety glasses and leather gloves
    b. Leather gloves, long-sleeve coveralls and goggles
    c. Rubber gloves, chemical protective clothing, goggles and face shield
    d. Rubber gloves, goggles, and coveralls
4. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean?
    a. There is not enough oxygen in the tank to support combustion
    b. There is too much hydrocarbon vapor in the tank to support combustion
    c. Answers a. and b. are correct
    d. There is not enough hydrocarbon vapor in the tank to permit combustion.
5. 5.30 What is the main component of inert gas used on crude oil vessels?
    a. Carbon sulfide
    b. Carbon dioxide
    c. Oxygen
    d. Hydrogen
6. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene?
    a. Your doctor or pharmacist
    b. Your Safety Manual
    c. The Safety Data Sheet
    d. The International Safety Guide for Oil Tankers and Terminals (ISGOTT)
7. 5.10 The responsibility for an inspector complying with the safety regulations in any terminal belongs to?
    a. The terminal staff
    b. The terminal s safety officer
    c. The inspector
    d. The inspector s manager
8. 5.18 A hard hat s most important feature, when worn, is the distance between the shell and the wearer s head.
    a. True
    b. False


9. 5.15 Which of the following is defined as a corrosive liquid?
    a. An acid solution
    b. A caustic solution
    c. Acid and caustic solutions are not corrosive
    d. Acid and caustic solutions are both corrosive
10. 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?
    a. 5 ppm (10 ppm in USA)
    b. 1 ppm (2 ppm in USA)
    c. 15 ppm (20 ppm in USA)
    d. 0.1 ppm (0.2 ppm in USA)
11. 5.28 Why is it important to wear gloves while sampling?
    a. So that the sample is not contaminated
    b. To prevent your hands becoming dirty
    c. To prevent hazardous substances being absorbed through the skin
    d. Answers a., b. and c. are all correct
12. 5.06 When lifting anything heavy, which muscles should take most of the weight?
    a. Upper arm muscles
    b. Leg muscles
    c. Back muscles
    d. Answers a., b. and c. are all correct, to distribute the load equally
13. 5.77 What are the characteristics of hydrogen sulfide?
    a. It is a pale yellow gas with a sweetish taste and strong pungent odour
    b. It is a pale yellow gas with the odour of rotten eggs
    c. It is a colourless gas with a sweetish taste and the odour of rotten eggs
    d. It is a colourless gas with little or no odour
14. 5.37 Who can supply an SDS?
    a. The manufacturer of the material
    b. The seller of the material
    c. The distributor of the material
    d. Answers a., b. and c. are all correct
15. 5.44 Before entering a confined space, which tests are required?
    a. Oxygen content
    b. Lower explosive limit
    c. Toxic vapour testing
    d. Answers a., b. and c. are all correct
16. 5.40 Which of the following are considered to be confined spaces?
    a. A cofferdam
    b. An external floating roof tank
    c. A ship s pump-room
    d. Answers a., b. and c. are all correct
17. 5.78 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of hydrogen sulfide?
    a. 5 ppm (10 ppm in USA)
    b. 15 ppm (20 ppm in USA)
    c. 25 ppm (50 ppm in USA)
    d. 30 ppm (60 ppm in USA)
18. 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?
    a. 50%
    b. 80%
    c. 95%
    d. 100%
19. 5.81 What is the maximum permissible 8 hour TWA (time weighted average) exposure level of H2S?
    a. 30 ppm (60 ppm in USA)
    b. 25 ppm (50 ppm in USA)
    c. 15 ppm (20 ppm in USA)
    d. 5 ppm (10 ppm in USA)
20. 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?
    a. Less than 15%
    b. Less than 10%
    c. Less than 1%
    d. Less than 0.5%
21. 5.57 Benzene is a health hazard. Which of the following are likely to contain benzene?
    a. Crude Oil
    b. Gasoline
    c. Ethylbenzene
    d. Answers a., b. and c. are all correct
22. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway.
    a. True
    b. False


23. 5.20 To find out if a material is hazardous, you must consult the SDS.
    a. True
    b. False


24. 5.46 Which of the following are examples of a confined space?
    a. A cargo tank
    b. A grain silo
    c. A pump-room on a ship
    d. Answers a., b. and c. are all correct
25. 5.70 What are the effects of acute exposure (short term) to benzene?
    a. Shortness of breath, irritability, headache, nausea, dizziness, intoxication
    b. Irritation of the eyes, nose and respiratory tract
    c. Convulsions and loss of consciousness
    d. Answers a., b. and c. are all correct
26. 5.88 May an inspector board a vessel by means of using a Pilot s ladder?
    a. Yes
    b. No


27. 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?
    a. The atmosphere in the tank contains 15% oxygen
    b. The atmosphere in the tank is 15% of the lowest concentration of an explosive mixture of air and hydrocarbon vapours
    c. The atmosphere in the tank is 15% hydrocarbon vapours
    d. The atmosphere in the tank is a 15% mixture of air and hydrocarbon vapours
28. 5.68 How heavy are benzene vapours?
    a. Lighter than air
    b. Heavier than air
    c. Same as air
    d. Answers a., b. and c. are all wrong
29. 5.65 What is the permissible exposure limit for benzene (8 hour time weighted average)?
    a. 10 ppm
    b. 3 ppm
    c. 5 ppm
    d. 1 ppm
30. 5.63 Can gasoline contain benzene?
    a. Yes
    b. No


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