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Fires and explosions

in Сhemistry
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Fires and explosions
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Assignment 1

Question:

Under what conditions can the combustion process take place?

Choose one of the 4 possible answers:

1) Under the possibility of heat exchange

2) When there is a continuous flow of combustible material

3) When a combustible material, an oxidizer and an ignition source are present

4) When an explosive gas/air mixture is present

Assignment 2

Question:

Which materials are noncombustible?

Choose several of the four possible answers:

1) Woodframe

2) Concrete

3) granite

4) Linoleum

Assignment 3

Question:

What is a fire?

Choose one of the 3 answers:

1) An uncontrolled combustion process that causes property damage, harm to human life and health

2) chemical oxidation reaction, accompanied by a large amount of heat and light radiation

3) Spontaneous ignition

Assignment 4

Question:

What is an explosion?

Choose one of 4 possible answers:

1) An uncontrolled, very rapid combustion process

2) A chemical oxidation reaction accompanied by the release of large amounts of heat and light radiation

3) process of rapid release of energy in a limited volume

4) No correct answer.

Assignment 5

Question:

A fire was extinguished by covering it with a dense cloth. What method of fighting the fire was used?

Choose one of the 4 possible answers:

1) Cooling

2) dilution

3) insulation

4) braking

Assignment 6

Question:

List fire hazards

Select several of the 4 answer choices:

1) Chemical industry facilities

2) Textile industry facilities

3) Schools

4) Hospitals

Assignment 7

Question:

List the signs of explosive devices

Select several of the 4 answer choices:

1) A specific odor that is not consistent with the area

2) A group of suspicious people in the vicinity of a strange object

3) Noises inside an orphan object

4) Complete absence of people on the street during rush hour

Assignment 8

Question:

A fire storm is…

Choose one of 3 possible answers:

1) A severe fire originating in a large building or structure

2) A sustained fire that engulfs more than 90% of the buildings in an area

3) A cluster of separate fires involving more than 25 percent of the buildings on a building site

Assignment 9

Question:

Who is required to disarm an explosive device?

Choose several of the five possible answers:

1) The first person to discover the explosive device

2) The person who left the explosive device

3) Interior Ministry officer

4) An employee of the Ministry of Emergency Situations

5) FSS officer

Assignment 10

Question:

What is combustion?

Choose one of the 3 possible answers:

1) A chemical oxidation reaction accompanied by the release of large amounts of heat and light radiation

2) the process of rapidly releasing energy within a limited volume

3) A middle ground between the first and second choices

Answers:

1) (1 b.) Correct answers: 3;

2) (1 b.) Correct answers: 2; 3; 

3) (1 b.) Correct answers: 1;

4) (1 b.) Correct answers: 3;

5) (1 b.) Correct answers: 3;

6) (1 b.) Correct answers: 1; 2; 

7) (1 b.) Correct answers: 1; 3; 

8) (1 b.) Correct answers: 2;

9) (1 b.) Correct answers: 3; 4; 5; 

10) (1 b.) Correct answers: 1;

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