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. 5.46 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 2. 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 3. 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 4. 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 5. 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 6. 5.42 Products have defined limits of combustion. What are these? a. The Permissible Exposure Limit and the Threshold Limit Value b. The Lower Explosive Limit, Upper Explosive Limit and the Flash Point c. The Flash Point and the Threshold Limit Value d. The Permissible Exposure Limit and the Lower Explosive Limit 7. 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 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. 5.73 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 10. 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) 11. 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% 12. 5.54 What is the normal oxygen content of the air? a. 15.1% b. 19.1% c. 20.9% d. 25.9% 13. 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 14. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA 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. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it. a. True b. False 17. 5.12 All samples which are transported between terminals and laboratories or other installations should be labelled in accordance with the globally harmonised system for classification and labelling of chemicals (GHS). a. True b. False 18. 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 19. 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 20. 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 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. 5.01 What should be the first source of information when preparing to sample a new product? a. The International Safety Guide for Oil Tankers and Terminals (ISGOTT) b. The Petroleum Handbook c. The Safety Data Sheet (SDS) for that product d. Energy Institute HM6 / ISO 3170 / ISO 3171 / API Chapter 8 23. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. a. True b. False 24. 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 25. 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% 26. 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 27. 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 28. 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 29. 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 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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