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
A、incorrect electrode setting
B、incorrect nozzle position
C、clogged fuel nozzle
D、broken high tension lead
A、A.air or water in the furnace B、B.combustion pulses C、C.fuel oil pump failure D、D.flame failure
A、A.incorrect electrode setting B、B.incorrect nozzle position C、C.clogged fuel nozzle D、D.broken high tension lead
A、water in the fuel oil B、broken high tension leads C、incorrect electrode setting D、full fuel pressure at the nozzle
A、carbon deposits on the flame scanner B、high fuel oil temperature C、low fuel oil viscosity D、high steam pressure
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.
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
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
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