July 2017 – Purification Technology Edition (Safety and Environment Protection): One question per Monday
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This post was last edited by hai8487 on 2017-7-11 at 16:47. 1. Even if you are still using a regular refrigerator, as long as you persist, each refrigerator can save over 20 units of electricity per year. Which of the following is not a method for energy-efficient refrigerators? ( ) A. Turn off the power once a week on a regular schedule. B. Defrost it in a timely manner. C. Minimize the number of times the door is opened. D. Take out the foods in the freezer that need to be thawed and place them in the refrigerator to thaw. 2. Safety guidelines for entering the facility: 1. A 2. Answer: 1. Those who have not received permission or safety training are not allowed to enter the facility. 2. Vehicles entering the factory must be equipped with flame arresters, and a permit is required to enter the production area. 3. Construction and work shall not proceed without a safety work permit. 4. It is prohibited to touch any equipment, facilities, or chemicals within the factory without permission. 5. It is prohibited to discharge flammable, explosive, or toxic chemical hazards without authorization. 6. It is prohibited to bring cigarettes, lighters, or flammable and explosive items into the factory without permission. 7. It is prohibited to use non-explosion-proof devices such as mobile phones in flammable and explosive areas. 8. It is prohibited to enter explosive areas wearing shoes with iron nails or clothing that generates static electricity. 2017: Coal Chemical Industry – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving”: The Second Event is in Full Swing http://bbs.hcbbs.com/thread-1666758-1-1.html
1. A 2. Safety Instructions for Entering the Factory
1. A 2. Answer: 1. Those who have not been given permission or have not received safety training are not allowed to enter the factory. 2. Vehicles entering the factory must be equipped with flame arresters, and a permit is required to enter the production area. 3. Construction and work shall not proceed without a safety work permit. 4. It is prohibited to touch any equipment, facilities, or chemicals within the factory without permission. 5. It is prohibited to discharge flammable, explosive, or toxic chemical hazards without authorization. 6. It is prohibited to bring cigarettes, lighters, or flammable and explosive items into the factory without permission. 7. It is prohibited to use non-explosion-proof devices such as mobile phones in flammable and explosive areas. 8. It is prohibited to enter explosive areas wearing shoes with iron nails or clothing that generates static electricity. 9. A safety helmet must be worn when entering the production facility; before starting work, one should carefully check whether their protective equipment and safety gear meet the requirements of the working environment.
1. A 2. Entry Instructions:
1. Even if you are still using a regular refrigerator, as long as you persevere, each refrigerator can save over 20 units of electricity per year. Which of the following is not a method for energy-efficient refrigerators? (A) A. Turn off the power once a week on a regular schedule. B. Defrost it promptly. C. Minimize the number of times the door is opened. D. Take out the foods in the freezer that need to be thawed and place them in the refrigerator to thaw