SECTION 5 - SAFETY
คำชี้แจง - ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้ - ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้ - เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 27 ข้อขึ้นไป
แบบทดสอบนี้ มีจำนวนข้อสอบ 90 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ

1. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. a. True b. False 2. 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 3. 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 4. 5.19 What does H2S stand for? a. Water b. Hydrogen c. Hydrogen sulfide d. Dihydrosodium 5. 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 6. 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 7. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA a. True b. False 8. 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 9. 5.16 Corrosive liquids will directly injure the body tissue on contact. a. True b. False 10. 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 11. 5.66 What is the appearance and characteristic odour of benzene? a. Clear colourless liquid with a sweet odour b. Clear colourless liquid with a sour odour c. Light brown liquid with no distinguishable odour d. Light brown liquid with a strong pungent odour 12. 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) 13. 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 14. 5.79 Which of the following exposure limits for H2S (for use with respirators) are correct? a. 500 ppm maximum exposure when using a full face respirator b. 100 ppm maximum exposure when using a half-mask respirator c. A self contained breathing apparatus must be used if the exposure exceeds 500 ppm d. Only a self contained breathing apparatus is permissible for any exposure above the permissible exposure limit 15. 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 16. 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% 17. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. a. True b. False 18. 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 19. 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 20. 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 21. 5.55 Which of the following conditions can cause false readings on an explosion meter? a. Low hydrocarbon vapor content b. High moisture content c. Low oxygen content d. Both b. and c. are correct 22. 5.53 What does an oxygen meter measure? a. The percentage of oxygen below the LEL of a hydrocarbon/air mixture b. The amount of oxygen needed to make a confined space safe for entry c. The percentage of oxygen contained in the atmosphere being sampled d. Answers a., b. and c. are all wrong 23. 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 24. 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% 25. 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 26. 5.39 When does a confined space exist on a tank with an external floating roof? a. When the roof is located anywhere under the top ring or course of the tank plates b. Only when the tank is empty c. Only when the roof is resting on its legs d. Answers a., b. and c. are all wrong 27. 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 28. 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 29. 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 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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