Chemical safety common sense 40 questions, simple and practical can save lives! Some of you may have heard of this knowledge. But let's look at it again and see what we still don't understand. 1. In industrial production, what are the main ways for poisons to enter the human body? Answer: It mainly enters the human body through respiratory tract and skin. 2. What are the three types of respirators? Answer: There are three types: dustproof, antivirus and oxygen supply. 3. What is the applicable scope of the filter gas mask? Answer: It is suitable for air with oxygen concentration greater than 18% and toxic gas concentration less than 2%. 4. What are the four basic characteristics of the accident? A: Causality, randomness, latency and preventability. 5. What should be paid attention to when switching high-pressure valves? Answer: Don't move too fast and too hard when opening and closing the high-pressure valve. The operator should stand on the side of the valve. 6. How to use the seat belt correctly? A: it should be high and low. 7. What caused the fire of electrical equipment? Answer: Short circuit, overload, electric leakage and poor line contact. 8. What does "four no harm" mean? Answer: Don't hurt yourself, others, others and others. 9. When the noise exceeds 140 decibels, what effect does it have on human hearing organs? A: When the noise exceeds 140 decibels, the hearing organs of the human body are prone to accidental injuries, leading to rupture and bleeding of the eardrum. 10. How many volts of safe voltage should be used when the equipment container is overhauled or inspected? A: You must use a 12-volt safe voltage. 11. What is the main cause of fire fatality? A: Poisoning and suffocation. 12. What are the "three treasures" of aerial work? Answer: It refers to safety helmet, safety belt and safety net. 13. What should I do after chemicals enter my eyes? Answer: Wash your eyes with plenty of clear water in time. If you are seriously injured, you should be sent to the hospital for treatment in time. 14. What are the direct fire sources that cause fires? Answer: There are three types: open flame, electric spark and lightning strike. 15, the dangerous voltage of electric shock accident generally starts from how many volts. A: 65 volts. 16. What are the two types of harm caused by current to human body? A: One is electric shock, and the other is electric injury. 17. How many milliamps is the current, which is called fatal current? A: 50 mA is called lethal current. 18. How many kilograms of falling objects can the seat belts and safety ropes used at ordinary times withstand without breaking? A: 100 kilograms. 19. What does "three violations" mean? Answer: illegal command, illegal operation and violation of labor discipline. 20. What does red in the safety color mean? A: It means prohibition, stop and fire prevention. 21, the human body electrocuted to death, which organ was seriously injured? A: The heart. 22. What are the three types of explosions? A: Physical explosion, chemical explosion and atomic (nuclear) explosion. 23, dust will fire and explosion? A: Yes. 24. What is special operation? Answer: Operations that can cause great harm to the safety of the operator, others and surrounding facilities. 25. What is the average resistance of the average person? A: 1000-1500 ohms. 26. What are the three characteristics of static electricity? Answer: High voltage, prominent electrostatic induction and serious discharge at the protruding end. 27, personal protective equipment can only be used as a kind of what kind of measures? A: Auxiliary safety measures. 28. What is the minimum distance between the top of the helmet and the head space to use? Answer: 32mm, if it exceeds or fails to reach, it cannot be used. 29, electrical equipment fire using what method to put out the fire? Answer: cut off the power supply in time and put out the fire with dry powder or carbon dioxide fire extinguisher. 30. Where should the tools be placed when working at heights? Answer: It should be put in a portable toolbox or tool bag. 31, inflammable, explosive, easy to poison places when working matters needing attention? A: 1) Gas masks and protective articles; 2) Effective ventilation, analysis and qualification; 3) Use explosion-proof tools and lamps; 4) Safety isolation measures must be taken during tower maintenance; 5) There must be a special person for supervision and emergency measures. 32. What industrial accidents often occur in machining? Answer: Industrial accidents include mechanical entanglement, workpiece flying out, chip cutting, grinding wheel breaking, object hitting, intraocular foreign bodies and electric shock injury. 33. What is the principle of "four no-misses" in accident handling? A: The cause of the accident has not been found out, the person responsible for the accident has not been dealt with, the masses have not been educated, and preventive measures have not been implemented. 35. What are the safety accessories of pressure vessels? Answer: There are mainly safety valves, bursting plates, fusible plugs, pressure gauges, thermometers, liquid level gauge emergency cut-off valve and emergency discharge devices. 36, the basic principles of accident prevention? A: 1) The principle that accidents can be prevented; 2) nip in the bud; 3) Eradicate the causes of accidents; 4) The principle of comprehensive management. 37, oxygen cylinder fire safety "eight taboos" is what? Answer: Don't stand upside down, stick grease, roast with fire, explode in the sun, run out of gas, violently impact, mix transportation and use beyond the inspection period. 38. What are the five-character classics produced in security team? A: Propaganda, learning, management, prevention and strictness. 39. What is the performance of employees' weak safety awareness? A: The mentality that safety has nothing to do with me The mentality that the accident has nothing to do with me Rules and regulations and my useless mentality fluke mind 40. How to avoid poisoning accidents? A: 1) Strengthen the education of dustproof and antivirus knowledge; 2) Strengthen equipment maintenance to prevent leakage; 3) Do a good job in technical transformation measures, realize mechanization and automation, and replace toxic with non-toxic; 4) Do a good job in cleaning and replacement, and enter the equipment container for maintenance only after passing the inspection; 5) ventilation and detoxification to ensure fresh air in the working environment; 6) Proper use of protective equipment; 7) Strengthen toxic on-site monitoring and pass the analysis; 8) In case of poisoning accident, rescue in time, find out the reason and rectify in time. ‘