Simulation questions and answers of the latest national fire-fighting facility operators (primary fire-fighting facility operators) in 2022

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148. following （） The explosion , It belongs to chemical explosion .

A. Combustible Dust

B. Natural gas

C. Car gasoline

D. Oxygen cylinder

answer ：ABC

analysis ： Chemical explosion refers to the chemical reaction of the substance itself , A large amount of gas is produced and the temperature is reduced 、 An explosion caused by an increase in pressure or both . Such as combustible gas 、 The explosion caused by the mixture of steam or dust and air meeting the fire source , Explosion of explosives, etc .

149. All places with traces and physical evidence related to fire shall be included in the scope of on-site protection , In case of any of the following circumstances, the protected area should be appropriately expanded :（）.

A. The location of the fire point is not determined

B. Fire caused by electrical failure

C. Determination of fire point position

D. scene of the explosion

answer ：ABD

analysis ： All places with traces and physical evidence related to fire shall be included in the scope of on-site protection , In case of any of the following circumstances, the protected area should be appropriately expanded : The location of the fire point is not determined ; Fire caused by electrical failure ; scene of the explosion .

150. Heat transmission is the decisive factor affecting the development of fire , The main ways of heat transmission are :（）.

A. heat conduction

B. Thermal radiation

C. Heat convection

D. Thermal decomposition

answer ：ABC

analysis ： Heat transmission is the decisive factor affecting the development of fire , The main ways of heat transmission are : heat conduction 、 Thermal radiation 、 Heat convection .

151. During the fire inspection in the general distribution room , Find out （）, Hazards should be informed , Assist in correcting on the spot .

A. The power cord is damaged 、 Ageing

B. Store inflammables and explosives

C. Pile up excessive sundries

D. The fire extinguisher is covered 、 Occlusion

answer ：BCD

analysis ： During the fire inspection in the general distribution room ,(1) Found an excess of items , Inflammables, explosives and combustibles ;(2) The position of fire extinguishers is not obvious , Be overwritten 、 Occlusion , Hazards should be informed , Assist in correcting on the spot .

 

152. The fire alarm controller is different in structure , Can be divided into :（）.

A. Suspended fire alarm controller

B. Piano type fire alarm controller

C. Wall mounted fire alarm controller

D. Cabinet type fire alarm controller

answer ：BCD

analysis ： The fire alarm controller is different in structure , Can be divided into : Wall mounted 、 Piano table 、 Cabinet type .

153. The fire hydrant box can be divided into several types according to the installation method ?（）.

A. Surface mounted

B. Concealed type

C. Semi concealed

D. Semi surface mounted

answer ：ABC

analysis ： The fire hydrant box can be divided into surface mounted type according to the installation method 、 Concealed type 、 There are three types of semi concealed installation .

154. Which of the following can be used as a smoke partition component （）.

A. Partition

B. beam

C. Vertical wall

D. Wooden pillars

answer ：ABC

analysis ： On the roof or ceiling of a building 、 Components and fittings with smoke blocking function are used to separate under the ceiling , And it has certain smoke storage function . May adopt : Smoke partition wall 、 Smoke beam 、 Smoke retaining wall ( Made of incombustible materials , Hanging from the ceiling shall not be less than 50cm A fixed or movable smoke barrier ).

155. of 《 Duty record of fire control room 》 What should be filled in correctly is （）.

A. The record shall be written clearly 、 Correct

B. Misspelled words can be obliterated with correction fluid or "×" A symbol mark

C. Record signatures do not have to be signed in full

D. The records shall be filled in with blue or black pen or carbon pen

answer ：AD

analysis ： Requirements for fire watch records :(1) The record shall be written clearly 、 Correct , Do not scribble , Typos can be erased or used "/" A symbol mark (2) The record signature cannot only be the last name , You must sign your full name (3) The records shall be filled in with blue or black pen or carbon pen .

156. The foam liquid is divided according to the foaming multiple （） etc. .

A. Low expansion foam liquid

B. Medium expansion foam liquid

C. High expansion foam liquid

D. Ultra high expansion foam liquid

answer ：ABC

analysis ： Foam liquid can be divided into low expansion foam liquid according to different foaming ratios 、 Medium expansion foam liquid and high expansion foam liquid .

157. The constitutive requirements of the illegal act that should be subject to fire control administrative punishment must meet :（）.

A. Fire fighting violations must have been committed

B. An illegal act is a violation of fire laws and regulations

C. The person who commits an illegal act is an administrative counterpart with responsibility

D. Should be punished according to law

answer ：ABCD

analysis ： The constitutive requirements of the illegal act that should be subject to fire control administrative punishment must meet the following four conditions :1. Fire fighting violations must have been committed ;2. An illegal act is a violation of fire laws and regulations ;3. The person who commits an illegal act is an administrative counterpart with responsibility ;4. Should be punished according to law .

158.（） It is the basic code of professional ethics for the professional and technical level of the employees .

A. Delve into business

B. Be devoted to one's duty

C. Keep improving

D. Be brave and tenacious

answer ：AC

analysis ： Delve into business 、 Keeping improving is a basic code of professional ethics for the professional and technical level of employees .

159. According to its （） Divide into two categories .

A. Nature of use

B. Fire hazard

C. Difficulty of evacuation and fire fighting

D. Building materials

answer ：ABC

analysis ： High rise civil buildings according to their nature of use 、 Fire hazard 、 The difficulty of evacuation and fire fighting can be divided into two categories .

160. The sprinkler head can be divided according to its structure .

A. Glass ball structure

B. Fusible element nozzle

C. Closed sprinkler

D. Open sprinkler

answer ：CD

analysis ： Sprinkler heads can be divided into closed sprinkler heads and open sprinkler heads according to their structure . The answer to this question is CD.

161. This topic （） It belongs to organic materials .

A. Gypsum products

B. Building plastics

C. Architectural ceramics

D. Building timber

answer ：BD

analysis ： Organic materials include construction wood 、 Building plastics 、 Organic paint 、 Decoration materials, etc . It is characterized by light weight , Good heat insulation , It is not easy to crack and burst . The thermal stability is worse than that of inorganic materials , Generally, it is flammable .