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. 5.14 The GHS applies to: a. sample labels only b. Safety Data Sheets (SDSs) only c. sample labels and SDSs d. specialised chemicals only 2. 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 3. 5.63 Can gasoline contain benzene? a. Yes b. No 4. 5.76 Hydrogen sulfide is probably the most dangerous gas commonly encountered in the petroleum industry. a. True b. False 5. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide? a. 15 ppm (30 ppm in USA) b. 10 ppm (20ppm in USA) c. 25 ppm (50 ppm in USA) d. 30 ppm (60 ppm in USA) 6. 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 7. 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 8. 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 9. 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. 10. 5.25 How can the opportunity for a build-up and/or discharge of static electricity be reduced? a. By wearing rubber gloves b. By not allowing your hands to slide on the hand rail c. By grounding yourself and your equipment before opening the gauge/sample hatch and during subsequent operations d. By using stainless steel equipment 11. 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 12. 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 13. 5.75 Organic filter respirators are sufficiently effective in a hydrogen sulphide atmosphere to be used for escape purposes. a. True b. False 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. 5.16 Corrosive liquids will directly injure the body tissue on contact. a. True b. False 16. 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 17. 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 18. 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 19. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. a. True b. False 20. 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 21. 5.67 What effects may result from chronic exposure (long term) to benzene? a. Loss of vision b. Various blood disorders ranging from anemia to leukemia c. Impaired Disability Syndrome (IDS) d. Answers a., b. and c. are all correct 22. 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) 23. 5.72 What is the most hazardous component of many crude oils? a. Benzene b. Toluene c. Xylene d. Hydrogen sulfide 24. 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 25. 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 26. 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 27. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. a. True b. False 28. 5.85 When working you must always wear a H2S monitor. a. True b. False 29. 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) 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

1. แนวข้อสอบ สังคมฯ ม.2 ชุดที่1/3

2. เทคโนโลยีสารสนเทศและการสื่อสาร ชั้นประถมศึกษาปีที่ 1

3. การดำรงชีวิตของสัตว์

4. ข้อสอบ รายวิชาพื้นฐาน วิทยาศาสตร์ ม.3 เล่ม 1 ชุดที่ 1