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. 5.44 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 2. 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 3. 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 4. 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 5. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. a. True b. False 6. 5.85 When working you must always wear a H2S monitor. a. True b. False 7. 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 8. 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 9. 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% 10. 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 11. 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 12. 5.13 What information must GHS sample labels contain? a. Hazard pictograms, signal words and hazard statements b. Product name and precautionary statements c. Information in both a. and b. above d. Information in a. and b. above and supplier information, including a telephone number 13. 5.33 Shipping declaration forms are required whenever a hazardous material is transported on a public road or highway. a. True b. False 14. 5.63 Can gasoline contain benzene? a. Yes b. No 15. 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 16. 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 17. 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) 18. 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 19. 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 20. 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. 21. 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 22. 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 23. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA a. True b. False 24. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals. a. True b. False 25. 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 26. 5.50 What do the initials UEL stand for? a. Upper environmental level b. Unknown environmental level c. Upper explosive limit d. Unknown explosive levels 27. 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) 28. 5.27 What can help prevent a build-up and/or discharge of static electricity when sampling? a. Use of a sampling cord made of synthetic fibre b. Tying the end of the sampling cord to the railing of the tank c. Use of a sampling cord that contains no synthetic fibre d. Holding the sample cord against the gauge hatch throughout the sampling operation 29. 5.48 What do the initials LEL stand for? a. Low explosion location b. Low environmental levels c. Lower environmental level Lower explosive limit 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

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