I don't know if you are looking for the problem of safe production knowledge. Then I will bring you the answers to the questions related to safety production knowledge for your reference, hoping to help you.

The answer to the question about knowledge of production safety is 1. What is safety?

Answer: Safety means no threat, danger, injury or loss. The harmony between human beings as a whole and living environment resources does not harm each other, and there are no hidden dangers and harms, which is a state of avoiding unacceptable damage risks. Safety is to control the possible damage caused by the running state of the system to human life, property and environment below an acceptable level in the process of human production.

2. What is an accident?

Answer: An accident refers to a sudden accident when people are engaged in productive labor purposefully, forcing production to stop temporarily or causing personal injury. Accident is an abnormal mutation in production practice.

3. What is labor protection?

A: Labor protection refers to taking organizational and technical measures to eliminate bad conditions and behaviors that endanger personal safety and health, prevent accidents and occupational diseases, and protect the safety and health of workers in the labor process according to national laws and regulations, relying on technological progress and scientific management. Its contents include: labor safety, labor hygiene, protection of female workers, protection of underage workers, working hours and vacation system.

4. What do you mean by three violations? Illegal command, illegal operation and violation of labor discipline.

5. What is the four no harm principle? Answer: Don't hurt yourself, don't hurt others, don't hurt others, don't hurt others.

6. What is the four-pass principle? A: The cause of the accident has not been ascertained, the person responsible for the accident has not been dealt with seriously, the person responsible for the accident and the educated have not been educated, and the preventive measures have not been implemented.

7. The degree of accident injury is divided into minor injury, serious injury and death.

8. What is a minor injury? A: Minor injuries refer to injuries that cause physical disability of employees, or slight functional or organic damage of some organs, showing slight or temporary loss of working ability. Generally speaking, the injured worker has been off work for more than one working day, but the injury is not serious.

9. What is a serious injury? A: Serious injury refers to the injury that causes physical disability or serious damage to standardization, hearing and other organs of employees, which can generally cause long-term dysfunction or significant loss of labor ability. Serious injury and disability losses exceed 65,438+005 working days.

10. What is a liability accident? Answer: It refers to the accident caused by the fault of relevant personnel.

1 1. What is a no-responsibility accident? A: It refers to an irresistible accident caused by natural factors, or an unexpected accident due to the limitations of current scientific and technological conditions.

What is a sabotage accident? A: It refers to an accident deliberately created to achieve a certain purpose.

13. Can employees of enterprises be treated as industrial accidents if they are injured due to illness in the course of work? A: Casualties caused by illness during the process are confirmed by the diagnosis of hospitals at or above the county level and the investigation of the labor department, and are not treated as employee casualties.

14. What is the current safety management system in China?

A: Enterprises are fully responsible, industry management, state supervision, mass supervision, and workers obey the rules and discipline.

15. What are the emergency principles for industrial accidents?

Answer: Rescue the wounded, protect the scene of the accident and report to the relevant departments in time.

16. The core of all kinds of safety production systems is the responsibility system for safety production.

17. Safety inspection is an important link to discover and eliminate unsafe factors.

18. Unsafe state refers to the material conditions that lead to accidents. Unsafe behavior refers to human error that may lead to accidents.

19. What is the task of enterprise safety education?

Efforts should be made to improve the safety quality of employees, enhance their understanding of the importance of safety production, enhance their sense of responsibility for safety production, enhance their awareness of observing rules and regulations and labor discipline, enhance their legal concept of safety production, and improve their level of safety technology knowledge and ability to handle accidents skillfully.

20. What is the educational content of the security team?

1. Understand the tasks and functions of the post, production characteristics, production equipment and safety devices.

2, understand the post safety rules and regulations, safety operation procedures.

3, understand the specific use of protective equipment, appliances and tools.

4. Understand the accidents and lessons of this position.

2 1. What is protective grounding and zero connection?

Answer: The grounding protection is to prevent the risk of electric shock caused by insulation damage. By closely connecting the metal parts that may present dangerous voltage to the ground under fault conditions with the ground, it is called protective grounding. Zero connection is to connect the shell or frame of the metal part of electrical equipment with the live part insulated by zero line in the neutral point direct grounding system.

22. Requirements for erection of temporary wires?

Answer: 1, the height from the ground, not less than 2.5 meters indoors, not less than 3 meters outdoors, not less than 5 meters across the road. 2, wire insulation must be good. 3. Wires shall not touch inflammable, explosive, high temperature and humid pipelines and equipment. 4, wire head should be wrapped in insulating tape or temporary distribution socket board.

23. What is the flash point? What is the ignition point?

Answer: All flammable liquids and vapors of flammable liquids can cause flashover when exposed to open flames. The temperature value at this time is called flash point. The temperature at which a substance starts to catch fire is called the ignition point.

24. What is the main cause of the circuit fire?

Answer: (1) Short circuit between lines; (2) The fuse is not installed correctly; (3) overload; (4) The poor contact resistance of the contact or joint is too large, and the wire is hot.

25. What are the causes of mechanical injuries?

Answer: 1, mechanical equipment does not meet safety requirements; 2. Poor protection during use and no protective facilities; 3. The safety operation procedures are not perfect and the safety education is not enough.

26. When there is an electrical fire on the construction site, cut off the power supply first and use sand, carbon dioxide,? 12 1 1? Or dry powder fire extinguishers instead of water and foam extinguisher.

27. The fire is divided into four categories: A, B, C and D 1. Fire: refers to the fire of solid matter. This kind of substance often has the nature of organic matter, and it can generally produce glowing embers when burning. Such as wood, cotton, wool, hemp, paper fire, etc. 2. Class B fire: refers to liquid fire and meltable solid fire. Such as gasoline, kerosene, crude oil, methanol, ethanol, asphalt, paraffin, etc. 3. Class C fire: refers to gas fire. Such as gas, natural gas, methane, ethane, propane, hydrogen fire, etc. 4. Class D fire: refers to metal fire. Refers to potassium, sodium, magnesium, titanium, zirconium, lithium, aluminum-magnesium alloy fire, etc.

28. The Law of People's Republic of China (PRC) on Work Safety was promulgated on June 9, 2002, and came into effect on June 1 65438+1October1. On August 36, 2006, the 10th meeting of the Standing Committee of the 12th NPC passed the Decision of the Standing Committee of NPC on Amending the Law of People's Republic of China (PRC) on Work Safety, which came into effect on February 6, 2006. .

29. The prevention and control of occupational diseases should focus on prevention, combine prevention with control, and implement classified management and comprehensive management.

30. For the injured who have stopped breathing and heartbeat in industrial accidents, the success rate of rescue within 5 minutes is extremely high.

3 1. The best time to put out the fire is within 5~7 minutes after the building is on fire. After this time, you should try to escape from the scene of the fire.

32. If the employing unit forces workers to take risks in violation of regulations, causing heavy casualties and serious consequences, the responsible person shall be investigated for criminal responsibility according to law.

33. The safe current that the human body is allowed to pass is 9 mA for men and 6 mA for women. When the current is 50 mA, it will endanger people's lives, which is called lethal current.

34. National Fire Prevention Publicity Day 1 1.9.

35. Classification of safety colors and their meanings: red: blue is a prohibition sign, yellow is an indication sign, and green is a warning sign and a reminder sign.

36. When the ground is disconnected by high voltage, personnel are forbidden to enter within 20 meters of the disconnection point.

37. The red line in the three-wire cable represents the live wire.

38. labor safety and health signs? With the green cross representing labor safety and health as the center, a pattern is formed with denatured gears and olive leaves around. The gear on the left symbolizes labor, the Great Wall and China, and the olive leaf on the right symbolizes peace, happiness and happiness.

39. If the person who gets an electric shock is seriously injured and stops breathing or the heart stops beating, artificial respiration and chest compressions should be carried out as much as possible.

40. When putting out a fire with a fire extinguisher, aim at the root of the flame.

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42. Demolition works on the construction site must be removed from top to bottom.

43. The storage warehouse of acetylene bottles should avoid direct sunlight, and the distance from the open flame should not be less than 15m.

44. Fire spreads by heat conduction, heat radiation and heat convection.

45. If a fire is caused by negligence, which has not caused serious losses, it shall be given a warning, fined or detained for not more than 10 days.

46. The scope of production safety includes personal safety and equipment safety.

47. Safety production management? Siquan? The principle is full staff, whole process, all-round and all-weather.

48. Seat belts should be checked once after 2 years of use.

49. When working high above the ground, tools must be placed in a portable toolbox or tool bag.

50. The state stipulates that the weight of safety helmet should not exceed 400g.

5 1. If the helmet is marked with. The "D" symbol refers to the helmet with insulation performance.

52. The correct seat belt buckle should be hung high and used low.

53. Where there are more than two layers (including two layers) of workers working in the same vertical body at the same time, it is easy to be struck by objects, which is called crossover operation.

54. Construction site? Sambo? It's helmets, seat belts and safety nets.

55. safe voltage value: 42, 36, 24, 12, 6 volts.

56. safe voltage Power Supply: It is supplied by a specific power supply, including an independent power supply and a safety isolation transformer (consisting of two relatively independent coils installed on the same iron core). Autotransformers, voltage dividers and semiconductor devices cannot be used as voltage sources.

57. safe voltage circuit must meet the following conditions:

ⅰ. The input and output of power supply must be isolated in the circuit;

Ⅱ. The circuit working under safe voltage must have no electrical connection with other electrical systems (grounding is not allowed, but the iron core of safety isolation transformer should be grounded);

ⅲ. When using safe voltage with voltage greater than 24V, protective measures must be taken to prevent direct contact with charged body, and bare charged body is not allowed;

Ⅳ. The line shall meet the following conditions: the voltage level of components and wires shall be at least 250V, and the plugs used in safe voltage shall not be plugged into sockets with higher voltage.

58. Key points of electric shock rescue: get out of power supply quickly; Accurate treatment (artificial respiration and chest compressions); On-site rescue; Treatment should last until the end.

59. What are the working pressure, maximum working pressure and design pressure of the pressure vessel? What is the relationship between them? What are the working temperature and design temperature of pressure vessel respectively?

Answer: Working pressure (also called operating pressure) refers to the pressure at the top of the container during normal process operation. The maximum working pressure refers to the highest pressure that may occur during normal process operation. When the pressure exceeds this value, the safety device on the container will act. The determination of the maximum working pressure is related to the working medium. Design pressure refers to the pressure used to determine the calculated wall thickness of the container and the size of its components at the corresponding design temperature. The Regulation on Safety and Technical Supervision of Pressure Vessels stipulates that the design pressure of vessels shall not be lower than the maximum working pressure. The design pressure of pressure vessel equipped with safety relief device shall not be lower than the opening pressure or bursting pressure of safety relief device. The working temperature of a pressure vessel refers to the temperature of the working medium inside the vessel during normal operation, that is, the medium temperature. Design temperature refers to the highest or lowest temperature that the metal of the tank wall or component can reach under the corresponding design pressure when the container works normally. When the temperature of shell wall or component metal is lower than -20℃, the design temperature shall be determined according to the lowest temperature, otherwise, the design temperature shall be selected according to the highest temperature. The working temperature of pressure vessel refers to the temperature of medium, and the design temperature refers to the design temperature of shell.

60. From the factory date, fire extinguishers (bottles) with the following service life must be scrapped:

Portable Chemical foam extinguisher? 5 years; Portable acid-base fire extinguisher? 5 years; Portable clear water fire extinguisher? 6 years; Portable dry powder fire extinguisher (cylinder type)? 8 years; Portable pressure storage dry powder fire extinguisher? 10 year; Portable 12 1 1 fire extinguisher? 10 year; Portable carbon dioxide fire extinguisher? 12 years; Cart chemistry foam extinguisher? 8 years; Cart type dry powder fire extinguisher (cylinder type)? 10 year; Cart type pressure storage dry powder fire extinguisher? 12 years; Cart type 12 1 1 fire extinguisher? 10 year; Cart type carbon dioxide fire extinguisher? 12 years. In addition, fire extinguishers or gas cylinders that should be scrapped must be punched in the cylinder body or bottle body and affixed with adhesive? Scrap? The obvious sign of, the content is as follows:? Scrap? Two characters, minimum font 25mm? 25mm scrap year and month; Name of maintenance unit; Inspector's signature Fire extinguishers should be maintained and inspected at least once a year.

6 1. classification of chemical pressure vessels: pressure vessels are divided into reaction vessels, heat transfer vessels, separation vessels and storage and transportation vessels according to their uses.

62. What is a pressure vessel? Pressure vessel refers to the closed equipment containing gas or liquid and bearing a certain pressure. Its range is defined as the maximum working pressure greater than or equal to 0. 1MPa (gauge pressure).

63. The contents of pressure vessel safety inspection include: 1, heat preservation, anti-corrosion, and whether the equipment nameplate is in good condition. 2. The container is free of cracks, deformation and local bulging. 3, containers, pressure parts, etc. All cracks. Is there a leak? 4. Whether the safety accessories are complete, sensitive and reliable. 5. Whether the foundation sinks or inclines. Whether the solid screws are complete and intact. 6. Whether there is vibration or friction. 7. Whether the operating pressure, temperature and composition parameters in operation meet the design requirements. 8. The operation log and maintenance records are complete and correct.

64. Toxic effects of common chemicals:

Chlorine (Cl2): Yellow-green gas, easily soluble in water, alkali solution, carbon disulfide and carbon tetrachloride. It can react with carbon monoxide to produce more toxic phosgene. Chlorine dissolves in water to produce hydrochloric acid and hypochlorous acid, resulting in local irritation. It mainly damages the upper respiratory tract and bronchial mucosa, causing bronchospasm, bronchitis and bronchitis around, and even causing pulmonary edema in severe cases. Inhalation of high concentration chlorine causes vagal reflex cardiac arrest. Electric shock samples? Death.

65. Sulfur dioxide (SO2): Colorless gas, the density of which is 2.3 times that of air. It can be liquefied under pressure, with a relative density of 1.434 and a boiling point of-10℃. Soluble in water, ethanol and ether. After inhalation into respiratory tract, sulfurous acid and sulfuric acid are generated on the moist surface of mucous membrane, which has a strong stimulating effect. Inhalation can cause laryngeal edema, pulmonary edema, vocal cord spasm and asphyxia.

66. Carbon monoxide (CO): a colorless, odorless and non-irritating gas. The density is 0.968 times that of air. It is insoluble in water, but soluble in ammonia, ethanol, benzene and acetic acid. The flame is blue when it burns. After being inhaled, carbon monoxide enters the blood circulation through alveoli. Carbon monoxide reacts with hemoglobin to produce carboxyhemoglobin. Carboxyhemoglobin has no oxygen-carrying ability and is not easy to dissociate, resulting in hypoxia in all tissues of the whole body.

67. Hydrogen cyanide (HCN): a colorless gas with bitter almond flavor, with a density of 0.94 times that of air, a melting point of-13.4℃ and a boiling point of 26℃. Soluble in water, ethanol and ether. Soluble in water becomes volatile hydrocyanic acid. Hydrogen cyanide has a strong affinity with iron ions of cytochrome oxidase oxidized in vivo. After being firmly combined with it, the enzyme loses its activity, which hinders the biological oxidation process, making tissues and cells unable to use oxygen and causing suffocation in the body.

68. Hydrogen sulfide (H2S): a colorless gas with the smell of rotten eggs. Its density is 1. 19 times that of air and its boiling point is -6 1.8℃. Soluble in water, ethanol, glycerol and petroleum solvents.

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