Question bank and answers of the latest national fire-fighting facility operators (intermediate fire-fighting facility operators) in 2022

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1、 Which of the following is not the reason why the fire emergency broadcast cannot be activated ?(  )

A、 The broadcast controller has communication failure or is broken

B、 The sound source file of the broadcast controller is missing

C、 The power amplifier is overloaded or damaged due to line failure

D、 The broadcast module is damaged or the broadcast line fails

answer ：D

title ： The fault phenomenon : The fire emergency broadcast cannot be activated in an emergency . Cause analysis :(1) The broadcast controller has communication failure or is broken (2) The sound source file of the broadcast controller is missing (3) Repair method of overload or damage caused by line failure of power amplifier :(1) Repair the communication line or replace the broadcast controller (2) Re import the sound source file of the emergency broadcast (3) Find the power amplifier circuit fault and repair or replace the power amplifier

2、 Which of the following will not cause the extension or jack of the fire telephone system " Patrol lamp " Not shiny ?(  )

A、 The extension or Jack itself is damaged

B、 The external line of the extension fails

C、 The telephone bus is open

D、 The extension or Jack is not installed firmly , The wiring of the base is loose

answer ：B

title ： Fire telephone system failure : Extension or Jack " Patrol lamp " Analysis of the causes of non flashing :(1) The extension or Jack itself is damaged (2) The telephone bus is open (3) The extension or Jack is not installed firmly , Repair method for loose wiring of the base :(1) Replace the extension or Jack (2) Repair the telephone bus fault until the voltage is normal (3) Reinstall the extension or Jack , Tighten the base terminal

 

3、 Which is not the reason why the extension of the fire telephone system keeps calling the telephone host ?(  )

A、 The extension and base fell off accidentally

B、 The external line of the extension fails

C、 Heavy code between extensions or sockets

D、 The telephone bus is open

answer ：D

title ： Fire telephone system failure : The extension keeps calling the telephone host . Cause analysis :(1) The extension and base fell off accidentally (2) The external line of the extension fails (3) Repair method of code duplication between extensions or sockets :(1) Hook the extension back to its base (2) Repair the plug-in line to normal (3) Find the heavy code device . Redial

4、 Fire telephone extension 、 During the call function test of fire telephone jack , At least observe (  )min.

A、1

B、2

C、3

D、5

answer ：B

title ： Fire telephone extension 、 Fire telephone jack call function test : Check the fire telephone extension 、 The call and call function between the fire telephone jack and the fire telephone host , The fire telephone host shall be able to display the position of each part of the machine or telephone jack , The ringing tone and voice should be clear : Reset the fire telephone host 、 Self check operation ; Observe 2min, It should be under normal monitoring .

Two 、 Multiple choice

5、 Fire telephone extension 、 Method for replacing components of fire telephone jack :(  )

A、 Use professional disassembly tools to disassemble the fire telephone extension and fire telephone jack

B、 Dial the code for the fire telephone extension and fire telephone jack to be replaced

C、 The telephone jack is aligned with the base snap , Install it in place

D、 When disassembling, pry up the fire telephone extension with appropriate force

answer ：A-B-C

title ： Fire telephone extension 、 Method for replacing components of fire telephone jack : Use professional disassembly tools to disassemble the fire telephone extension and fire telephone jack , Dial the code for the fire telephone extension and fire telephone jack to be replaced ; Align the fire telephone extension and fire telephone jack with the base buckle , Install it in place .

6、 After the fire emergency broadcast is started, there is no sound source output from the on-site speaker. The possible reason is :(  )

A、 The broadcast module is damaged or the broadcast line fails

B、 The broadcast controller has communication failure or damage

C、 The loudspeaker is damaged or the circuit of the loudspeaker is faulty

D、 The sound source file of the broadcast controller is missing

answer ：A-C

title ： The fault phenomenon : After the fire emergency broadcast is started, the on-site speaker has no sound source output . Cause analysis :(1) The broadcast module is damaged or the broadcast line fails ;(2) The loudspeaker is damaged or the circuit of the loudspeaker is faulty ; Repair method :(1) Replace the broadcast module or repair the broadcast line fault to normal (2) Replace the speaker or repair the speaker line fault to normal