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. 5.30 What is the main component of inert gas used on crude oil vessels?
    a. Carbon sulfide
    b. Carbon dioxide
    c. Oxygen
    d. Hydrogen
2. 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
3. 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
4. 5.60 What is the minimum required respirator for working in a benzene environment that is greater than the permitted exposure limit?
    a. Self contained breathing apparatus
    b. Full face respirator with an organic vapor cartridge
    c. Half-mask respirator with an organic vapor cartridge
    d. Half-mask respirator with an acid gas cartridge
5. 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
6. 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
7. 5.48 What do the initials LEL stand for?
    a. Low explosion location
    b. Low environmental levels
    c. Lower environmental level
    Lower explosive limit
8. 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)
9. 5.11 Portable electronic measurement equipment must be _______ immediately before gauging?
    a. Checked
    b. Cleaned
    c. Calibrated
    d. Earthed (grounded)
10. 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
11. 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
12. 5.31 What is the main component of inert gas normally used on special chemical vessels?
    a. Nitrogen
    b. Carbon dioxide
    c. Carbon monoxide
    d. Hydrogen
13. 5.90 The Short Term Exposure Limit (STEL) defines exposure to a substance over how long?
    a. 30 minutes
    b. 60 minutes
    c. 15 minutes
    d. 20 minutes
14. 5.88 May an inspector board a vessel by means of using a Pilot s ladder?
    a. Yes
    b. No


15. 5.56 What is the current exposure limit for benzene (8 hour time weighted average)?
    a. 10 ppm
    b. 3 ppm
    c. 5 ppm
    d. 1 ppm
16. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch.
    a. True
    b. False


17. 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
18. 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
19. 5.17 A chemical has a strong odour. What does this indicate?
    a. That a hazard exists
    b. That the vapour concentration is low
    c. That the vapour concentration is high
    d. Odour is an unreliable source of specific information regarding a chemical
20. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid.
    a. True
    b. False


21. 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
22. 5.80 Refineries are not the only sources of industrial hydrogen sulfide (H2S). Which of the following are other sources?
    a. Pulp Mills
    b. Any agricultural facility where decay of organic matter may occur
    c. Drilling Rigs
    d. Answers a., b. and c. are all correct
23. 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
24. 5.84 What type of respirator filter cartridges should you use for protection against hydrogen sulfide?
    a. Acid Gas
    b. None. Only a self contained breathing apparatus is acceptable
    c. Organic Vapour
    d. Radionucleides, highly toxic dusts, mists and fumes
25. 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
26. 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.
27. 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
28. 5.75 Organic filter respirators are sufficiently effective in a hydrogen sulphide atmosphere to be used for escape purposes.
    a. True
    b. False


29. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA
    a. True
    b. False


30. 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
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