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. 5.60 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 2. 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 3. 5.85 When working you must always wear a H2S monitor. a. True b. False 4. 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 5. 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% 6. 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) 7. 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. 8. 5.07 When are inspectors permitted to operate valves on board vessels? a. When accompanied by an authorised person on board b. When no-one else is around to do it c. When the vessel staff are too busy to do it themselves d. Inspectors must not operate vessel valves 9. 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 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. 5.70 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 12. 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 13. 5.86 What is the principal limitation of a filter or cartridge respirator? a. It does not supply oxygen b. The face piece tends to fog up c. The expense to replace the cartridges d. Keeping the face piece from sweating up 14. 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 15. 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 16. 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) 17. 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 18. 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 19. 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 20. 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 21. 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 22. 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 23. 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 24. 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 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. 5.03 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. 5.79 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 28. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene? a. Your doctor or pharmacist b. Your Safety Manual c. The Safety Data Sheet d. The International Safety Guide for Oil Tankers and Terminals (ISGOTT) 29. 5.11 Portable electronic measurement equipment must be _______ immediately before gauging? a. Checked b. Cleaned c. Calibrated d. Earthed (grounded) 30. 5.18 A hard hat s most important feature, when worn, is the distance between the shell and the wearer s head. a. True b. False ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

1. วิชาเทคโนโลยีสารสนเทศ

2. ฝึกทำข้อสอบใบขับขี่ 2567 อัพเดทล่าสุด พร้อมเฉลย

3. งานบ้าน 2

4. แนวข้อสอบ O-NET สุขศึกษา ป.6