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. 5.04 What is the minimum personal protective equipment required when sampling? a. Gloves, respirator, hard hat and SCBA b. Gloves, eye protection, hard-hat, flame retardant uniform & safety shoes c. Gloves, face-shield and sun glasses d. Gloves, uniform and SCBA 2. 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 3. 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 4. 5.54 What is the normal oxygen content of the air? a. 15.1% b. 19.1% c. 20.9% d. 25.9% 5. 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 6. 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 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. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it. a. True b. False 9. 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 10. 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 11. 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 12. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination. a. True b. False 13. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch. a. True b. False 14. 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 15. 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 16. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid. a. True b. False 17. 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 18. 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 19. 5.20 To find out if a material is hazardous, you must consult the SDS. a. True b. False 20. 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 21. 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 22. 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 23. 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 24. 5.51 What does an explosimeter (explosion meter) measure? a. The amount of oxygen in a space b. Whether a space is safe for entry c. Whether or not there is an explosive atmosphere in a space d. The flash point of a gas mixture. 25. 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 26. 5.36 What is the most informative source of information about the hazards of a product or chemical? a. The job sheet b. The Bill of Lading c. The Safety Data Sheet d. The operations supervisor 27. 5.76 Hydrogen sulfide is probably the most dangerous gas commonly encountered in the petroleum industry. a. True b. False 28. 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) 29. 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 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

1. แบบทดสอบก่อนเรียน

2. เรื่อง การประกอบอาชีพ ป.6

3. เรื่อง น้ำฟ้าและดวงดาว ป.5 ชุดที่1

4. แบบทดสอบ เรื่อง ระบบทางเดินปัสสาวะ (urinary system)