2022 National latest fire-fighting facility operator (Senior fire-fighting facility operator) simulation test questions and answers

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23、 Fixed fire monitor main fire extinguishing system 、 The switching function acceptance requirements of standby power supply include :( )

A、 System master 、 The standby power supply is on , Cut off the main power supply , The standby power supply shall be able to be put into operation automatically

B、 Restore the main power supply , The main power supply shall be able to be put into operation automatically

C、 Power on the control unit , And make the control device of fire pump set in automatic state

D、 Manually start a fire pump set , Observe whether the fire pump set and related equipment operate normally

answer ：A-B

analysis ： Fixed fire monitor main fire extinguishing system 、 Acceptance requirements for switching function of standby power supply : System master 、 The standby power supply is on , Cut off the main power supply , The standby power supply shall be able to be put into operation automatically ; Restore the main power supply , The main power supply shall be able to be put into operation automatically .

24、 Which of the following meets the functional acceptance requirements of the fire pump set of the fixed fire monitor fire extinguishing system :( )

A、 According to the system design requirements , Start the fire pump set , Observe whether the fire pump set and related equipment operate normally , If normal , The fire pump set is under the design load , Continuous operation shall not be less than 2h.

B、 Power on the control unit , And make the control device of fire pump set in automatic state , Manually start a fire pump set , Observe whether the fire pump set and related equipment operate normally

C、 Simulate anti pump unit failure , Stop the pump , here , The standby fire pump set shall be able to put into operation automatically

D、 The fire pump set is under the design load , Continuous operation shall not be less than 2h

answer ：A-B-C

analysis ： Requirements for functional acceptance of fire pump set of fixed fire monitor fire extinguishing system :1) The operation acceptance requirements of fire pump unit shall be in accordance with the system design requirements , Start the fire pump set , Observe whether the fire pump set and related equipment operate normally , If normal , The fire pump set is under the design load , Continuous operation shall not be less than 2h.2) Fixed fire monitor is mainly used for fire extinguishing system 、 Acceptance requirements for automatic switching function of standby pump set : Power on the control unit , And make the control device of fire pump set in automatic state , Manually start a fire pump set , Observe whether the fire pump set and related equipment operate normally , If normal , Then simulate the failure of anti pump unit in the control device of fire pump unit , Stop the pump . here , The standby fire pump set shall be able to put into operation automatically . The fire pump set is under the design load , Continuous operation shall not be less than 30min.

25、 What meets the acceptance requirements for the linkage control function of the fixed fire monitor fire extinguishing system is :( )

A、 Spot check the designed linkage control unit

B、 Power on the system , Make the controlled equipment of the linkage control unit to be inspected in automatic state , Press the corresponding linkage start button , The unit shall be able to automatically start the fire pump set according to the design requirements

C、 Open valves and other related equipment , Until the fire monitor sprays extinguishing agent ( Or water curtain protection system )

D、 The action and signal feedback of the unit equipment shall meet the design requirements

answer ：B-C-D

analysis ： Acceptance requirements for linkage control function of fixed fire monitor fire extinguishing system : Check one by one according to the designed linkage control unit . Power on the system , Make the controlled equipment of the linkage control unit to be inspected in automatic state , Press the corresponding linkage start button , The unit shall be able to automatically start the fire pump set according to the design requirements , Open valves and other related equipment , Until the fire monitor sprays extinguishing agent ( Or water curtain protection system ). The action and signal feedback of the unit equipment shall meet the design requirements .

 

26、 The following items that meet the requirements of the acceptance test conditions for the injection function of the fixed fire monitor fire extinguishing system are ( ):

A、 The water monitor and water curtain protection system use fire water for spraying

B、 The proportional mixing device of foam monitor system and the specification of foam liquid shall meet the design requirements

C、 The water supply of the fire pump unit reaches the design water supply pressure

D、 Dry powder model of dry powder gun system 、 specifications 、 Reserves and specifications of nitrogen cylinder group 、 The pressure shall meet the system design requirements

answer ：A-B-D

analysis ： Requirements for acceptance test conditions of injection function of fixed fire monitor fire extinguishing system :1) The water monitor and water curtain protection system use fire water for spraying .2) The proportional mixing device of foam monitor system and the specification of foam liquid shall meet the design requirements .3) The water supply of the fire pump unit reaches the rated water supply pressure .4) Dry powder model of dry powder gun system 、 specifications 、 Reserves and specifications of nitrogen cylinder group 、 The pressure shall meet the system design requirements .5) The manual startup and linkage control functions of the system are normal .6) The valves involved in the control in the system work normally .

27、 The following items that meet the requirements of the acceptance test conditions for the injection function of the fixed fire monitor fire extinguishing system are ( ):

A、 The manual startup and linkage control functions of the system are normal

B、 The valves involved in the control in the system work normally

C、 The water monitor and water curtain protection system use barreled water for spraying

D、 Dry powder model of dry powder gun system 、 specifications 、 Reserves and specifications of nitrogen cylinder group 、 The pressure shall meet the system design requirements

answer ：A-B-D

analysis ： Requirements for acceptance test conditions of injection function of fixed fire monitor fire extinguishing system :1) The water monitor and water curtain protection system use fire water for spraying .2) The proportional mixing device of foam monitor system and the specification of foam liquid shall meet the design requirements .3) The water supply of the fire pump unit reaches the rated water supply pressure .4) Dry powder model of dry powder gun system 、 specifications 、 Reserves and specifications of nitrogen cylinder group 、 The pressure shall meet the system design requirements .5) The manual startup and linkage control functions of the system are normal .6) The valves involved in the control in the system work normally .

28、 There are :( )

A、 water cannon 、 Water curtain 、 The actual working pressure of the foam gun shall not be less than the corresponding design working pressure .

B、 water cannon 、 Foam cannon 、 The level of dry powder cannon 、 The pitch return angle shall meet the design requirements , The spray angle of the fire water monitor with DC spray conversion function shall meet the design requirements

C、 The spray angle of the protective water curtain nozzle shall meet the design requirements

D、 Foam ratio of foam gun system 、 The mixing ratio of the mixed liquid provided by the mixing device shall meet the design requirements

answer ：A-B-D

analysis ： Requirements for the results of the spray function test of the fixed fire monitor fire extinguishing system :1) water cannon 、 Water curtain 、 The actual working pressure of the foam gun shall not be less than the corresponding design working pressure .2) water cannon 、 Foam cannon 、 The level of dry powder cannon 、 The pitch return angle shall meet the design requirements , The spray angle of the fire water monitor with DC spray conversion function shall meet the design requirements .3) The spray height of the protective water curtain nozzle shall meet the design requirements .4) Foam ratio of foam gun system 、 The mixing ratio of the mixed liquid provided by the mixing device shall meet the design requirements .5) The time from the start of water monitor system and foam monitor system to the ejection of water or foam shall not be greater than 5min, The time from the start-up of the dry powder gun system to the ejection of dry powder shall not be greater than 2min.

29、 There are :( )

A、 The time from the start-up of the dry powder gun system to the ejection of dry powder shall not be greater than 5min.

B、 water cannon 、 Foam cannon 、 The level of dry powder cannon 、 The pitch return angle shall meet the design requirements , The spray angle of the fire water monitor with DC spray conversion function shall meet the design requirements

C、 The time from the start of water monitor system and foam monitor system to the ejection of water or foam shall not be greater than 5min

D、 Foam ratio of foam gun system 、 The mixing ratio of the mixed liquid provided by the mixing device shall meet the design requirements

answer ：B-C-D

analysis ： Requirements for the results of the spray function test of the fixed fire monitor fire extinguishing system :1) water cannon 、 Water curtain 、 The actual working pressure of the foam gun shall not be less than the corresponding design working pressure .2) water cannon 、 Foam cannon 、 The level of dry powder cannon 、 The pitch return angle shall meet the design requirements , The spray angle of the fire water monitor with DC spray conversion function shall meet the design requirements .3) The spray height of the protective water curtain nozzle shall meet the design requirements .4) Foam ratio of foam gun system 、 The mixing ratio of the mixed liquid provided by the mixing device shall meet the design requirements .5) The time from the start of water monitor system and foam monitor system to the ejection of water or foam shall not be greater than 5min, The time from the start-up of the dry powder gun system to the ejection of dry powder shall not be greater than 2min.