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Flame failure in an automatically fired auxiliary boiler can from a/an ()

A、incorrect electrode setting

B、incorrect nozzle position

C、clogged fuel nozzle

D、broken high tension lead

更多“Flame failure in an automatically fired auxiliary boiler can from a/an ()”相关的问题
第1题

A、A.air or water in the furnace  B、B.combustion pulses  C、C.fuel oil pump failure  D、D.flame failure  

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第2题

A、A.incorrect electrode setting  B、B.incorrect nozzle position  C、C.clogged fuel nozzle  D、D.broken high tension lead  

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第3题

A、water in the fuel oil  B、broken high tension leads  C、incorrect electrode setting  D、full fuel pressure at the nozzle  

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第4题

A、yellowish flame  B、golden yellow flame  C、white flame  D、brilliant white flame  

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第5题

A、carbon deposits on the flame scanner  B、high fuel oil temperature  C、low fuel oil viscosity  D、high steam pressure  

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第6题

A、It produces a warning for new failures before advising for CRITICAL and HIGH failures.  B、It ignores new failures and considers the failures listed in the last LIST FAILURE command only.  C、It produces an error with recommendation to run the LIST FAILURE command before the ADVISE FAILURE command.  D、It produces advice only for new failures and the failures listed in the last LIST FAILURE command are ignored.  

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第7题

A、A.air supply is shut off  B、B.fuel supply is shut off  C、C.water supply is shut off  D、D.safety valve lifts  

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第8题

A、A.relight the boiler immediately to prevent loss of steam pressure  B、B.relight the fire off the brickwork as the bricks are cherry red  C、C.purge the furnace of any combustible gases before attempting to relight the fire  D、D.speed up the feed pump to prevent dry firing when the burner flame is reestablished  

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第9题

A、The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository(ADR)  B、The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR)  C、The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE  D、The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE command was executed  

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