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. 5.06 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 2. 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 3. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. a. True b. False 4. 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 5. 5.63 Can gasoline contain benzene? a. Yes b. No 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. 5.44 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 8. 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 9. 5.32 Why should pumping be suspended when first-in or first-foot samples are taken? a. To allow any gas to dissipate b. To allow static electricity to dissipate c. So the vapours don t blow in your face d. To give time for analysis results 10. 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 11. 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 12. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. a. True b. False 13. 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 14. 5.88 May an inspector board a vessel by means of using a Pilot s ladder? a. Yes b. No 15. 5.11 Portable electronic measurement equipment must be _______ immediately before gauging? a. Checked b. Cleaned c. Calibrated d. Earthed (grounded) 16. 5.90 The Short Term Exposure Limit (STEL) defines exposure to a substance over how long? a. 30 minutes b. 60 minutes c. 15 minutes d. 20 minutes 17. 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 18. 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 19. 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 20. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it. a. True b. False 21. 5.75 Organic filter respirators are sufficiently effective in a hydrogen sulphide atmosphere to be used for escape purposes. a. True b. False 22. 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 23. 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) 24. 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 25. 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 26. 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 27. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA a. True b. False 28. 5.77 What are the characteristics of hydrogen sulfide? a. It is a pale yellow gas with a sweetish taste and strong pungent odour b. It is a pale yellow gas with the odour of rotten eggs c. It is a colourless gas with a sweetish taste and the odour of rotten eggs d. It is a colourless gas with little or no odour 29. 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) 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

1. หน่วยการเรียนรู้ที่ 2 ชุดที่ 1(ทัศนศิลป์)

2. แบบทดสอบสังคม ชุดที่2

3. ระบบเครือข่ายคอมพืิวเตอร์ ชั้น ม.1

4. หน่วยการเรียนรู้ที่ 1(ดนตรี)