Chemical safety common sense 40 ask, simple and practical can save lives! Some of you may have heard this knowledge. But we might as well watch it again and see what we still don't understand?

1. In industrial production, what are the main ways through which poisons enter the human body?

Answer: It enters the human body mainly through the respiratory tract and skin.

2. What are the three types of respirators?

Answer: divided into dustproof, anti-virus, oxygen three kinds.

3. What is the scope of application of the filter gas mask?

Answer: It is suitable for oxygen volume concentration in air greater than 18% and toxic gas concentration less than 2%.

What are the four basic characteristics of an accident?

Answer:

Causality

randomness

Latent

Preventable

5. What should be paid attention to when switching high pressure valves?

Answer: When switching high-pressure valves, do not move too fast and too hard. The operator should stand on the side of the valve.

6. How to use the safety belt correctly?

Answer: It should be high and low.

7. What is the cause of the fire of electrical equipment?

Answer: wire short circuit, overload, leakage, poor line contact.

8. What does "four no harm" mean?

Answer: Don't hurt yourself, don't hurt others, don't be hurt by others, protect others from being hurt.

When the noise exceeds 140 decibels, what is the impact on the human auditory organ?

Answer: When the noise exceeds 140 decibels, the human auditory organs are prone to accidental injury, resulting in tympanic membrane rupture and bleeding.

10. What is the safe voltage to be used when overhauling or inspecting the inside of the equipment container?

Answer: A safe voltage of 12 volts must be used.

11. What is the main cause of fire death?

Answer: Poisoning and suffocation.

12. What are the "three treasures" of aerial work?

Answer: refers to the safety helmet, safety belt, safety net.

What happens when chemicals get into your eyes?

Answer: the application of a large number of water in a timely manner to flush the eyes, such as serious injury, to be sent to the hospital for treatment in a timely manner.

14. What are the direct sources of fire?

Answer: There are three kinds of open fire, electric spark and lightning strike.

15, the occurrence of electric shock accident dangerous voltage is generally from how many volts

Answer: 65 volts.

16. What are the two types of current damage to the human body?

Answer: One is electric shock, the second is electric injury.

17. How many milliamperes is the current, which is called fatal current?

Answer: It is called lethal current when 50 mA.

18. How many kilograms of falling objects can the safety belts and safety ropes used at ordinary times withstand without breaking?

A: 100kg.

19. What does "three violations" mean?

Answer: illegal command, illegal operation, violation of labor discipline.

What does red in the safety color mean?

A: It means prohibition, stop and fire prevention.

21, the human body electric shock death, is due to which organ is seriously injured?

Answer: The heart.

What are the three categories of explosions?

A: Physical explosion, chemical explosion, atomic (nuclear) explosion.

23. Does dust cause fire and explosion?

A: It will.

24, what is a special operation?

Answer: Operations that can cause major hazards to the safety of the operator himself, others and surrounding facilities.

25. What is the average resistance value of the average person?

Answer: 1000-1500 ohms.

What are the three characteristics of static electricity?

Answer:

High voltage

electrostatic induction protrusion

Serious discharge phenomenon at the protruding end

27, personal protective equipment can only be used as a kind of what kind of measures?

Answer: Auxiliary safety measures.

28, the top of the helmet and head space at least how much distance to use?

Answer: 32mm, more than or less than can not be used.

29. What method is used to extinguish a fire in electrical equipment?

Answer: Cut off the power in time and use dry powder or carbon dioxide fire extinguisher to extinguish the fire.

30. Where should the tools be placed when working at heights?

Answer: It should be placed in a portable toolbox or tool bag.

31, flammable and explosive, easy to poisoning place work matters needing attention?

Answer:

1) Gas masks and protective articles;

2) Effective ventilation, analysis and qualified;

3) Use explosion-proof tools and lamps;

4) Safety isolation measures must be taken during maintenance in the tower;

5) There must be special person for supervision and emergency measures.

32. What industrial accidents often occur in machining?

Answer: Work-related accidents include mechanical twisting, workpiece flying out, chip piercing, grinding wheel rupture, object strike, intraocular foreign body and electric shock injury, etc.

33. What is the "four don't let go" principle for accident handling?

A: the cause of the accident has not been found out, those responsible for the accident have not been dealt with, the broad masses have not been educated, and preventive measures have not been implemented.

35. What are the safety accessories for pressure vessels?

Answer: There are mainly safety valves, blasting plates, fusible plugs, pressure gauges, thermometers, level gauges, emergency shut-off valves and emergency discharge devices.

36. Basic principles of accident prevention?

Answer:

1) Accident preventable principle;

2) Preventive measures;

3) Eradicate the cause of the accident;

4) The principle of comprehensive governance.

37, oxygen bottle fire safety "eight taboos" is what?

Answer:

Avoid handstand

Avoid sticky grease

Bake with fire

Avoid exposure to the sun

Don't run out of gas

Avoid violent impact

Avoid mixed transport

Do not use beyond the inspection period

38. What are the five-character scriptures for team safety in production?

Answer: Publicity, learning, management, prevention and strictness.

39. What is the performance of weak employee safety awareness?

Answer:

Safety has nothing to do with me.

Accident and I have no chance of mentality

Rules and regulations with my useless mentality

fluke psychology

40. How to avoid poisoning accidents?

Answer:

1) Strengthen education on knowledge of dust prevention and anti-virus;

2) Strengthen equipment maintenance and prevent leakage;

3) Do a good job in technical improvement measures, realize mechanization and automation, and replace toxic with non-toxic;

4) Do a good job of cleaning and replacement, qualified before entering the equipment container for maintenance;

5) Ventilation and detoxification to ensure fresh air in the working environment;

6) Proper use of protective equipment;

7) Strengthen the on-site monitoring of toxic substances and pass the analysis;

8) In case of poisoning accident, timely rescue shall be carried out, the cause shall be found out and timely rectification shall be made.