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. 5.24 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
2. 5.19 What does H2S stand for?
    a. Water
    b. Hydrogen
    c. Hydrogen sulfide
    d. Dihydrosodium
3. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.)
    a. True
    b. False
    c. Only when in exposed seaway conditions
    d. Only when no gangways are available
4. 5.59 How can benzene enter your body?
    a. By inhalation
    b. By absorption through the skin
    c. By Ingestion
    d. Answers a., b. and c. are all correct
5. 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%
6. 5.85 When working you must always wear a H2S monitor.
    a. True
    b. False


7. 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
8. 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)
9. 5.34 What must you do in order to transport flammable liquid samples on a public highway?
    a. Fully label all samples
    b. Place the samples in approved DOT containers
    c. Consult a Safety Data Sheet for the product being transported
    d. Answers a., b. and c. are all correct
10. 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
11. 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
12. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway.
    a. True
    b. False


13. 5.27 What can help prevent a build-up and/or discharge of static electricity when sampling?
    a. Use of a sampling cord made of synthetic fibre
    b. Tying the end of the sampling cord to the railing of the tank
    c. Use of a sampling cord that contains no synthetic fibre
    d. Holding the sample cord against the gauge hatch throughout the sampling operation
14. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it.
    a. True
    b. False


15. 5.05 When gauging a tank that is emitting vapours, where should you position yourself?
    a. It is not important
    b. Up-wind of the gauge hatch
    c. With the wind in your face
    d. With the wind at your left or right side
16. 5.76 Hydrogen sulfide is probably the most dangerous gas commonly encountered in the petroleum industry.
    a. True
    b. False


17. 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
18. 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
19. 5.16 Corrosive liquids will directly injure the body tissue on contact.
    a. True
    b. False


20. 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
21. 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.
22. 5.73 When working in an environment suspected of containing H2S what is the only effective protection?
    a. Full face respirator
    b. Half mask respirator
    c. Self-contained breathing apparatus (SCBA)
    d. Answers a., b. and c. are all correct
23. 5.36 What is the most informative source of information about the hazards of a product or chemical?
    a. The job sheet
    b. The Bill of Lading
    c. The Safety Data Sheet
    d. The operations supervisor
24. 5.48 What do the initials LEL stand for?
    a. Low explosion location
    b. Low environmental levels
    c. Lower environmental level
    Lower explosive limit
25. 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
26. 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
27. 5.83 Why is the sense of smell not reliable for detecting hydrogen sulfide?
    a. It is difficult to detect by sense of smell
    b. The level at which you can smell it is above the permissible exposure limit
    c. At 100 ppm a person s sense of smell is deadened within minutes, thereby giving that person a false sense of security
    d. You might have a cold and be unable to breath through your nose
28. 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
29. 5.58 The appearance and characteristic odor of benzene is?
    a. Clear colorless liquid with a sweet odor
    b. Clear colorless liquid with a sour odor
    c. Light brown liquid with no distinguishable odor
    d. Light brown liquid with a strong pungent odor
30. 5.29 What should you do to avoid the build-up and/or discharge of static electricity when using a portable electronic thermometer (PET)?
    a. Hold on to the railing or other metal part of the tank while using the PET
    b. Attach the ground wire of the PET to the tank before opening the gauge hatch then slowly lower the probe assembly into the oil
    c. Since the probe is plastic and does not conduct electricity, no static electricity can form
    d. Either a., b. or c. is acceptable
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