Fire is one of the most harmful disasters to life and property safety. I will share some fire safety knowledge for your reference!

I. Multiple choice questions

1. When using natural gas cookers, (b).

A. Open the valve before ignition, that is, "gas equals fire".

B the ignition shall be carried out before the gas is turned on, that is, "fire equals gas".

C it doesn't matter whether to ignite or open the valve first, both of them are right.

2. In public places of entertainment, the maximum protection distance of portable fire extinguishers is (A).

20-25

3. The following (a) fire extinguishing agent is the best choice to put out the fire of precision instruments.

A. carbon dioxide fire extinguishing agent B. dry powder fire extinguishing agent C. foam fire extinguishing agent

4. The description of the roof of the workshop for processing explosive dangerous goods is correct (A).

A. install a light explosion-proof roof.

B.in order to be firm, a heavy roof should be used.

C.none of the above is true

5. When putting out a fire with a fire extinguisher, the nozzle of the fire extinguisher should be aligned with the flame (C).

A. upper B. middle C. root

6. The following (a) Fire extinguishing with water will expand the fire.

A. oil B. forest C. furniture;

7. After the fire, which of the following fire extinguishing methods is wrong (C).

A. Roll on the spot B. Cover the flame with heavy clothes C. Run against the wind.

8. The vapor on the surface of the liquid and air form combustible gas, and when it meets the ignition source, it will flash out, which is called (C).

A. explosion b evaporation c flash

9. The residual liquid of liquefied petroleum gas should be dumped by (a).

A. gas supply enterprises B. individual users C. gas supply enterprises or individuals

10. During the business period, the following (a) practices are wrong.

A. block fire safety evacuation indication signs

B. Set up evacuation signs at safety exits.

C. when there are too many people in the business premises, limit the number of people entering.

1 1. Put a TV set in the warehouse (c) to watch TV programs.

A. yes, B. after the approval of the leader, C. no.

12. Combustion is an exothermic and luminous reaction.

A. Physical chemistry and biology

22. Take appropriate measures to put out the burning caused by lack of oxygen or isolation. This method is called (a).

A. asphyxiation fire extinguishing method B. isolation fire extinguishing method C. cooling fire extinguishing method

13. All high temperature work in the ultra-high temperature working area must be handled in accordance with (c).

A. Relevant procedures B. Permit C. Overheat Certificate D. Heat Certificate

14. The correct way to check the leakage of liquefied petroleum gas pipeline or valve is: (c)

A. smell with your nose. Try to use fire

C. Apply it with soapy water. D. Try it with a reagent.

15. The evacuation door for the safety exit of public places of entertainment should be (b).

A. Free and open B. Open to the outside C. Open to the inside

16. According to statistics, more than 80% of the people who died in the fire belong to (b).

A. Directly burned to death B. Suffocated to death by smoke C. Jumping off a building or being scared to death.

17. The number of exits for public buildings and arcaded residential buildings shall not be less than (b).

A. one B. two C. three

18. Public places of entertainment are not allowed to be set in the building (C).

A. First floor B. First floor underground C. Second floor underground

19. How often do you check the dry powder fire extinguisher (A)?

A. Half a year, one year, three months and two years

20. When public utilities and urban construction units build roads and cut off power, water and communication lines, it may affect the fire brigade's fire fighting and rescue. (a) notify the local public security fire control institutions in advance.

A. Must B. Yes C. No.

2 1. Without the consent of (c), it is not allowed to move the gas pipeline at will in home decoration, so as to avoid gas leakage, fire or explosion.

A. Fire Department B. Property Department C. Gas Department

22. The center temperature of cigarette butts can reach (C), which exceeds the ignition point of combustible materials such as cotton, hemp, wool fabric, paper and furniture. If cigarette butts are thrown into contact with these combustibles, it is easy to cause burning or even fire.

a . 100 ~ 200℃b . 200 ~ 300℃c . 700 ~ 800℃

Two. Multiple choice problem

1. The basic methods of fire fighting are: (ABCD).

A. cooling method

B. Isolation method

C. asphyxiation method

D. prohibition

2. In case of power failure (ABC).

A. use emergency lighting as much as possible;

B cut off the power supply of the electrical appliance in use in time, that is, turn off the power switch or unplug it.

C. oil lamps with glass covers should be used;

Gasoline can be used as fuel instead of kerosene or diesel.

3. Matters needing attention when using liquefied petroleum gas (ABCDE).

A. It is forbidden to reverse the cylinder and use the horizontal cylinder;

B. It is forbidden to use any naked flame and electrical appliances to prevent air leakage, and it is forbidden to dump residual liquid;

C cylinders are not allowed to be near fire and heat sources, and it is forbidden to heat cylinders with fire, steam and hot water.

D. No one is allowed to leave when using, which is not suitable for children and patients. It is forbidden to use gas cylinders in the bedroom.

E it is forbidden to use unqualified gas cylinders, and it is forbidden to dismantle and repair angle valves or pressure reducing valves without permission;

Step 3 fill in the blanks

1. What fires are foam extinguisher mainly used to put out? Put out fires caused by gasoline, kerosene, diesel oil and wood.

2. What fires are gunpowder firearms mainly used to put out? Used to put out the initial fire of petroleum and its products, combustible gas and electrical equipment.

3. What fires are carbon tetrachloride fire extinguishers mainly used to put out? Mainly used to put out the fire of electrical equipment.

4. What are the fire alarm telephone, traffic accident alarm desk and emergency telephone? 1 19、 122 、 120

5. What are the four main points of fire escape? Smoke prevention; Decisively and quickly escape from the fire; Try to escape; Waiting for him to save.

6. What should I pay attention to when calling a fire alarm? It is necessary to clarify the fire unit, detailed address, fire situation, what is on fire, whether there is explosion danger, whether there is anyone trapped, the telephone number for alarm and the name of the alarm person.

7. fire prevention? Six. No? What is the content of? Smoking is not allowed in places where smoking is strictly prohibited; Fire for production and life should be watched by special personnel, and excessive use of fire is not allowed; Those who work overtime and stay up late should do their duty and are not allowed to leave their posts without leave; It is not allowed to install and use electrical equipment in violation of regulations; Teach children not to play with fire; All kinds of fire fighting equipment and tools are not allowed to be damaged or misappropriated.

8. Fire prevention after work? Five don't go? What is the content of? Don't leave until the shift is over; Fire fighting equipment does not go until the fire source is extinguished; Electrical equipment does not operate without power failure; Clean up the combustible materials before going; If you find danger, don't report it, don't deal with it, and don't leave.

9. What substances are flammable and explosive? It can be roughly divided into six categories: explosive substances; Flammable and combustible liquids; Flammable and combustion-supporting gases; Substances that spontaneously ignite in contact with water and air; Oxidizer (substance that can form explosive mixture or cause combustion); Flammable materials.

10. Explosive warehouse? Five pairs? The system is double custody, double locking, double entry, double delivery and double collection.

1 1. Articles stored in the open air should be stacked in categories and in groups, with necessary fire-proof spacing. .

12. Overpressure explosion of boiler belongs to physical explosion.

4. True or false

1. The lower the ignition point of a substance, the less likely it is to cause a fire. (? Because the ignition point is the lowest temperature required for combustible materials to start continuous combustion, the lower the ignition point of combustible materials, the easier it is to catch fire and the greater the fire risk. )

2 enterprises and institutions need liquefied petroleum gas, should be reported to the public security fire department for approval. (? )

3. Where there is burning, there is fire. (? Fire is a disaster caused by burning out of control in time and space. )

4. If there is a warehouse or production workshop in the building, there shall be no staff dormitory. (? )

The mixture of combustible gas and air will explode when it meets an open flame. (? The mixture of combustible gas and air may not explode when it meets an open flame, because when the ignition point of the mixture is lower than the lower limit or higher than the upper limit, it will neither explode nor burn. However, if the mixture with a concentration higher than the upper explosion limit leaves the closed container equipment or space, there is still the danger of burning or explosion when it encounters air again. )

6. When the safety exit of the unit is locked or blocked, or occupied or stacked items affect the smooth evacuation passage, the unit shall order relevant personnel to make corrections on the spot and supervise the implementation. (? )

7. When a fire is found, the unit or individual should first save himself. If self-help fails and the fire is getting worse, call the fire alarm number 1 19. ( ? Should you call first after the fire? 1 19? Call the police, at the same time, the unit will organize personnel to put out the fire in time, buy time to prevent the fire from spreading and expanding, reduce the fire loss, and control the fire before the fire brigade arrives. )

8. Post fire safety? Four knowledge and four meetings? Are you online? Sihui? Refers to: can call the police, can use fire extinguishing equipment, can put out the initial fire, can escape and save themselves. (? )

9. When welding pipes and equipment, fire safety measures must be taken. (? )

10. Carbon dioxide fire extinguishers can put out fires of potassium, sodium and magnesium. (? Although CO2 is an inert compound, it can react with light metals such as strong reducing agent at high temperature to generate toxic gas, so it can't put out the fires of potassium, sodium and magnesium. )

1 1. foam extinguisher should be placed in a high temperature place. (? The operating temperature range of this fire extinguisher is 4 ~ 55℃. If it is placed in a high temperature place, the extinguishing agent will fail in advance, and the tank may be deformed or even burst if the temperature is too high. )

12. It is forbidden to use naked flames in places with fire and explosion hazards; If it is necessary to carry out open flame operation due to special circumstances, the examination and approval procedures shall be handled in advance in accordance with the regulations. (? )

13. The lamps and lanterns installed in explosive dangerous places should be explosion-proof. (? )

14. Flammable and explosive factories and warehouses are no-fire areas. No-fire signs should be set up in all no-fire areas. (? )

15. Electric heating equipment must be used and monitored by special personnel, and the power supply should be cut off when leaving. (? )

16. It is forbidden to bring inflammable and explosive dangerous goods into public places or take transportation. (? )

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