SECTION 5 - SAFETY
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คำชี้แจง
- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้
- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 27 ข้อขึ้นไป
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กรอกนามสกุล
แบบทดสอบนี้ มีจำนวนข้อสอบ 90 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ
1. 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
2. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway.
    a. True
    b. False


3. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA
    a. True
    b. False


4. 5.48 What do the initials LEL stand for?
    a. Low explosion location
    b. Low environmental levels
    c. Lower environmental level
    Lower explosive limit
5. 5.88 May an inspector board a vessel by means of using a Pilot s ladder?
    a. Yes
    b. No


6. 5.38 A SDS will list what type of protective equipment is required when working with a particular material.
    a. True
    b. False


7. 5.21 Before gauging a tank, how can static electricity be discharged from your body?
    a. By using a tank gauge meter
    b. By touching a grounded structure such as a tank railing, with bare hands
    c. By using natural fiber sampling cords
    d. By touching a grounded structure such as a tank railing, while wearing rubber gloves
8. 5.54 What is the normal oxygen content of the air?
    a. 15.1%
    b. 19.1%
    c. 20.9%
    d. 25.9%
9. 5.41 What is the safe oxygen content range in a confined space?
    a. Between 19.5% and 21.0%
    b. Between 18.6% and 20%
    c. Between 19% and 25%
    d. Answers a., b. and c. are all wrong
10. 5.43 What defines a confined space?
    a. It has limited means of access and exit
    b. It is not designed for continuous occupation
    c. It has limited natural ventilation
    d. Answers a., b. and c. are all correct
11. 5.09 What should be the first reaction to any injury accident?
    a. Raise the alarm to call for help
    b. To protect the injured person, if possible without risk to yourself, from exposure to further injury
    c. To render First Aid
    d. To report immediately to the person s supervisor
12. 5.51 What does an explosimeter (explosion meter) measure?
    a. The amount of oxygen in a space
    b. Whether a space is safe for entry
    c. Whether or not there is an explosive atmosphere in a space
    d. The flash point of a gas mixture.
13. 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
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?
    a. 50%
    b. 80%
    c. 95%
    d. 100%
15. 5.35 What is the correct source of information about the hazards of any product being inspected?
    a. The inspector s supervisor
    b. A knowledgeable chemist
    c. The inspector s previous experience
    d. Safety Data Sheets
16. 5.20 To find out if a material is hazardous, you must consult the SDS.
    a. True
    b. False


17. 5.72 What is the most hazardous component of many crude oils?
    a. Benzene
    b. Toluene
    c. Xylene
    d. Hydrogen sulfide
18. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid.
    a. True
    b. False


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. 5.23 While sampling a crude ship, the fire alarm sounds. What action should be taken?
    a. Grab a type C fire extinguisher and assist the crew
    b. Close the hatch and call for the launch
    c. Continue sampling because the crew will take care of the fire
    d. Immediately secure your area and report to the muster point
21. 5.08 Which of the following safety equipment is not required on every job?
    a. H2S monitor
    b. SCBA
    c. Hard hat, safety footwear, gloves
    d. Long-sleeve, fire resistant clothing
22. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals.
    a. True
    b. False


23. 5.01 What should be the first source of information when preparing to sample a new product?
    a. The International Safety Guide for Oil Tankers and Terminals (ISGOTT)
    b. The Petroleum Handbook
    c. The Safety Data Sheet (SDS) for that product
    d. Energy Institute HM6 / ISO 3170 / ISO 3171 / API Chapter 8
24. 5.04 What is the minimum personal protective equipment required when sampling?
    a. Gloves, respirator, hard hat and SCBA
    b. Gloves, eye protection, hard-hat, flame retardant uniform & safety shoes
    c. Gloves, face-shield and sun glasses
    d. Gloves, uniform and SCBA
25. 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?
    a. Get out of the tank area immediately
    b. Take a deep breath and run for the tank ladder
    c. Lie down because there is more oxygen closer to the ground
    d. Immediately put on your respirator with organic cartridges
26. 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?
    a. 50%
    b. 80%
    c. 85%
    d. 100%
27. 5.62 Which of the following statements are correct, when working with benzene?
    a. As a minimum, a full face or half mask cartridge respirator must be worn for closed or restricted system gauging and sampling
    b. A self contained breathing apparatus must be used in all open tank situations
    c. A self contained breathing apparatus must be used if the exposure is expected to exceed 50ppm
    d. Answers a., b. and c. are all correct
28. 5.16 Corrosive liquids will directly injure the body tissue on contact.
    a. True
    b. False


29. 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
30. 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)
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